Lumen Technologies, Inc. Form 10-Q Quarterly Report Filed 2025-10-30

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q


☒			QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2025


☐			TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to

Commission File Number 001-7784

LUMEN TECHNOLOGIES, INC.

(Exact name of registrant as specified in its charter)



Louisiana		72-0651161
(State or other jurisdiction of incorporation or organization)		(I.R.S. Employer Identification No.)
100 CenturyLink Drive,
Monroe,	Louisiana	71203
(Address of principal executive offices)		(Zip Code)

(318) 388-9000

(Registrant's telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class

Trading Symbol(s)

Name of Each Exchange on Which Registered

Common Stock, no par value per share

LUMN

New York Stock Exchange

Preferred Stock Purchase Rights

N/A

New York Stock Exchange

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (Section 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and “emerging growth company” in Rule 12b-2 of the Exchange Act.


Large accelerated filer	☒	Accelerated filer	☐
Non-accelerated filer	☐	Smaller reporting company	☐
		Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

On October 28, 2025, there were 1,025,643,740 shares of common stock outstanding.

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	Special Note Regarding Forward-Looking Statements	3
	Part I - Financial Information
Item 1.	Financial Statements
	Consolidated Statements of Operations (Unaudited)	6
	Consolidated Statements of Comprehensive Loss (Unaudited)	7
	Consolidated Balance Sheets (Unaudited)	8
	Consolidated Statements of Cash Flows (Unaudited)	9
	Consolidated Statements of Stockholders' (Deficit) Equity (Unaudited)	10
	Notes to Consolidated Financial Statements (Unaudited)*	11
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	43
	Overview	43
	Results of Operations	46
	Segment Results	51
	Liquidity and Capital Resources	54
	Market Risk	62
	Other Information	62
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	63
Item 4.	Controls and Procedures	63
	Part II - Other Information
Item 1.	Legal Proceedings	64
Item 1A.	Risk Factors	64
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	65
Item 5.	Other Information	65
Item 6.	Exhibits	66
Signature		67

* All references to "Notes" in this quarterly report refer to these Notes to Consolidated Financial Statements.

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Special Note Regarding Forward-Looking Statements

This report and other documents filed by us under the federal securities laws include, and future oral or written statements or press releases by us and our management may include "forward-looking" statements about our business, financial condition, operating results, or prospects, within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements involve substantial risks and uncertainties. These statements include, among others:

•forecasts of our anticipated future results of operations, cash flows, or financial position;

•statements concerning our completed, pending, or proposed transactions, including with respect to our agreement to sell our Mass Markets fiber-to-the-home business in 11 states to AT&T, investments, product development, Private Connectivity FabricSM ("PCF") and Quantum Fiber buildouts, transformation plans, deleveraging plans, modernization and simplification initiatives, participation in government programs, and other initiatives, including benefits or costs associated therewith;

•statements about our liquidity, profitability, profit margins, tax positions, tax assets, tax rates, anticipated tax refunds, asset values, contingent liabilities, growth opportunities, growth rates, acquisition and divestiture opportunities, business prospects, regulatory and competitive outlook, market share, product capabilities, impacts from regulatory and legislative developments, investment and expenditure plans, business strategies, securities repurchase plans, leverage, capital allocation plans, financing or refinancing alternatives and sources, and pricing plans; and

•other similar statements of our expectations, beliefs, future plans and strategies, anticipated developments, and other matters that are not historical facts, many of which are highlighted by words such as “may,” “will,” “would,” “could,” “should,” “plans,” “believes,” “expects,” “anticipates,” “estimates,” "forecasts," “projects,” "proposes," "targets," “intends,” “likely,” “seeks,” “hopes,” or variations or similar expressions with respect to the future.

These forward-looking statements are based upon our judgment and assumptions as of the date such statements are made concerning future developments and events, many of which are beyond our control. These forward-looking statements, and the assumptions upon which they are based, (i) are not guarantees of future results and are based on current expectations only, (ii) are inherently speculative, and (iii) are subject to a number of risks and uncertainties, many of which are beyond our control. Actual events and results may differ materially from those anticipated, estimated, projected, or implied by us in those statements if one or more of these risks or uncertainties materialize, or if our underlying assumptions prove incorrect. All of our forward-looking statements are qualified in their entirety by reference to factors that could cause our actual results to differ materially from those anticipated, estimated, projected or implied by us in those forward-looking statements. These factors include but are not limited to:

•the effects of intense competition from a wide variety of competitive providers, including decreased demand for our more mature service offerings and increased pricing pressures;

•the effects of new, emerging, or competing technologies, including those that could make our products less desirable or obsolete;

•our ability to successfully and timely attain our key operating imperatives, including attaining projected cost savings, simplifying and consolidating our network, simplifying and automating our service support systems, attaining our infrastructure buildout targets, replacing aging or obsolete plant and equipment, and strengthening our relationships with customers;

•our ability to successfully and timely monetize our network-related assets through leases, commercial service arrangements or similar transactions (including as part of our Private Connectivity FabricSM solutions), including the possibility that the benefits of or demand for these transactions may be less than anticipated, that the costs thereof may be more than anticipated, or that we may be unable to satisfy any conditions of any such transactions in a timely manner, or at all;

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•our ability to safeguard our network, and to avoid the adverse impact of cyber-attacks, security breaches, service outages, system failures, or similar events impacting our network or the availability and quality of our services;

•the effects of ongoing changes in the regulation of the communications industry, including the outcome of legislative, regulatory, or judicial proceedings relating to content liability standards, intercarrier compensation, universal service, service standards and obligations, broadband deployment, data protection, network security, privacy, and net neutrality;

•our ability to generate cash flows sufficient to fund our financial commitments and objectives, including our capital expenditures, operating costs, debt obligations, taxes, and pension contributions and other benefits payments;

•our ability to effectively retain and hire key personnel and to successfully negotiate collective bargaining agreements on reasonable terms without work stoppages;

•our ability to successfully adjust to changes in customer demand for our products and services, including increased demand for high-speed data transmission services, low-latency connectivity, and scalable infrastructure driven largely by the growth of artificial intelligence (“AI”) applications and workloads, and the risk that we may misjudge the timing, scale, or nature of such demand, leading to potential misalignment of our investments or strategic priorities;

•our ability to enhance our growth products and manage the decline of our legacy products, including by maintaining the quality and profitability of our existing offerings, introducing profitable new offerings on a timely and cost-effective basis, and transitioning customers from our legacy products to our newer offerings;

•our ability to successfully and timely implement our corporate strategies, including our transformation, modernization and simplification, buildout and deleveraging strategies;

•our ability to successfully consummate and timely realize the anticipated benefits from the pending sale of our Mass Markets fiber-to-the-home business in 11 states to AT&T;

•our ability to successfully and timely realize the anticipated benefits from our 2022 and 2023 divestitures, our 2024 debt modification and extinguishment transactions, and our 2025 debt refinancing transactions, in each case as described in our prior reports filed with the U.S. Securities and Exchange Commission (the "SEC");

•changes in our operating plans, corporate strategies, or capital allocation plans, whether based upon changes in our cash flows, cash requirements, financial performance, financial position, market or regulatory conditions, or otherwise;

•the impact of any future material acquisitions or divestitures that we may transact, including our pending sale of our Mass Markets fiber-to-the-home business in 11 states;

•the negative impact of increases in the costs of our pension, healthcare, post-employment, or other benefits, including those caused by changes in capital markets, interest rates, mortality rates, demographics, or regulations;

•the impact of events that harm our reputation or brands, including the potential negative impact of customer or shareholder complaints, government investigations, security breaches, or service outages impacting us or our industry;

•adverse changes in our access to credit markets on acceptable terms, whether caused by unstable markets, debt covenant restrictions, changes in our financial position, lower credit ratings, or otherwise;

•our ability to meet the terms and conditions of our debt obligations and covenants, including our ability to make transfers of cash in compliance therewith;

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•our ability to maintain favorable relations with our security holders, key business partners, suppliers, vendors, landlords, or lenders;

•our ability to timely obtain necessary hardware, software, equipment, services, governmental permits, and other items on favorable terms;

•the potential adverse effects arising out of allegations regarding the release of hazardous materials into the environment from network assets owned or operated by us or our predecessors, including any resulting governmental actions, removal costs, litigation, compliance costs, or penalties;

•our ability to collect our receivables from, or continue to do business with, financially-troubled customers;

•our ability to continue to use intellectual property necessary to conduct our operations;

•any adverse developments in legal or regulatory proceedings involving us;

•changes in tax, trade, tariff, pension, healthcare, or other laws or regulations, in governmental support programs, or in general government funding levels, including any adverse impact of a prolonged shutdown of the U.S. government;

•our ability to use our net operating loss carryforwards in the amounts projected and to fully realize any anticipated benefits from recently-enacted federal tax legislation;

•the effects of changes in accounting policies, practices, or assumptions, including changes that could potentially require additional future impairment charges;

•the effects of adverse weather, terrorism, epidemics, pandemics, war, rioting, vandalism, societal unrest, political discord, or other natural or man-made disasters or disturbances;

•the potential adverse effects if our internal controls over financial reporting have weaknesses or deficiencies, or otherwise fail to operate as intended;

•the effects of changes in interest rates or inflation;

•the effects of more general factors such as changes in exchange rates, in operating costs, in public policy, in the views of financial analysts, or in general market, labor, economic, public health, or geopolitical conditions; and

•other risks referenced in the "Risk Factors" section or other portions of this report or other of our filings with the SEC, including our Annual Report on Form 10-K for the year ended December 31, 2024.

Additional factors or risks that we currently deem immaterial, that are not presently known to us, or that arise in the future could also cause our actual results to differ materially from our expected results. Given these uncertainties, investors are cautioned not to unduly rely upon our forward-looking statements, which speak only as of the date made. We undertake no obligation to publicly update or revise any forward-looking statements for any reason, whether as a result of new information, future events or developments, changed circumstances, or otherwise. Furthermore, any information about our intentions contained in any of our forward-looking statements reflects our intentions as of the date of such forward-looking statement, and is based upon, among other things, our assessment of regulatory, technological, industry, competitive, economic, and market conditions as of such date. We may change our intentions, strategies or plans (including our capital allocation plans) at any time and without notice, based upon any changes in such factors or otherwise.

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PART I—FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS

LUMEN TECHNOLOGIES, INC.

CONSOLIDATED STATEMENTS OF OPERATIONS

(UNAUDITED)


	Three Months Ended September 30,			Nine Months Ended September 30,
	2025		2024	2025	2024
	(Dollars in millions, except per share amounts, and shares in thousands)
OPERATING REVENUE	$	3,087	3,221	9,361	9,779
OPERATING EXPENSES
Cost of services and products (exclusive of depreciation and amortization)	1,700		1,692	5,011	4,997
Selling, general and administrative	829		696	2,259	2,261
Net loss on sale of business	—		—	—	17
Depreciation and amortization	674		707	2,075	2,198
Goodwill impairment	—		—	628	—
Total operating expenses	3,203		3,095	9,973	9,473
OPERATING (LOSS) INCOME	(116)		126	(612)	306
OTHER (EXPENSE) INCOME
Interest expense	(319)		(351)	(1,004)	(1,015)
Net (loss) gain on early retirement of debt (Note 5)	(395)		(1)	(666)	277
Other income, net	17		54	75	321
Total other expense, net	(697)		(298)	(1,595)	(417)
LOSS BEFORE INCOME TAXES	(813)		(172)	(2,207)	(111)
Income tax (benefit) expense	(192)		(24)	(470)	29
NET LOSS	$	(621)	(148)	(1,737)	(140)
BASIC AND DILUTED LOSS PER COMMON SHARE
BASIC	$	(0.62)	(0.15)	(1.75)	(0.14)
DILUTED	$	(0.62)	(0.15)	(1.75)	(0.14)
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING
BASIC	995,998		988,794	993,937	986,963
DILUTED	995,998		988,794	993,937	986,963

See accompanying notes to consolidated financial statements.

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LUMEN TECHNOLOGIES, INC.

CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS

(UNAUDITED)


	Three Months Ended September 30,			Nine Months Ended September 30,
	2025		2024	2025	2024
	(Dollars in millions)
NET LOSS	$	(621)	(148)	(1,737)	(140)
OTHER COMPREHENSIVE INCOME:
Items related to employee benefit plans:
Change in net actuarial loss, net of $(7), $(6), $(22) and $(17) tax	23		18	67	52
Change in net prior service cost, net of $1, $1, $2 and $3 tax	(2)		(3)	(5)	(8)

Foreign currency translation adjustment, net of $—, $—, $— and $— tax	11		5	14	—
Other comprehensive income	32		20	76	44
COMPREHENSIVE LOSS	$	(589)	(128)	(1,661)	(96)

See accompanying notes to consolidated financial statements.

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LUMEN TECHNOLOGIES, INC.

CONSOLIDATED BALANCE SHEETS

(UNAUDITED)


	September 30, 2025		December 31, 2024
	(Dollars in millions and shares in thousands)
ASSETS
CURRENT ASSETS
Cash and cash equivalents	$	2,401	1,889
Accounts receivable, less allowance of $53 and $59	1,263		1,231
Assets held for sale	3,787		24
Other current assets, net	1,256		1,250
Total current assets	8,707		4,394
Property, plant and equipment, net of accumulated depreciation of $23,420 and $23,121	19,107		20,421
GOODWILL AND OTHER ASSETS
Goodwill	—		1,964
Other intangible assets, net	4,411		4,806
Other assets, net	2,061		1,911
Total goodwill and other assets	6,472		8,681
TOTAL ASSETS	$	34,286	33,496
LIABILITIES AND STOCKHOLDERS' (DEFICIT) EQUITY
CURRENT LIABILITIES
Current maturities of long-term debt	$	94	412
Accounts payable	1,089		749
Accrued expenses and other liabilities
Salaries and benefits	760		716
Income and other taxes	323		272
Current operating lease liabilities	273		253
Interest	133		197
Other current liabilities	224		179
Liabilities held for sale	36		—
Current portion of deferred revenue	1,000		861
Total current liabilities	3,932		3,639
LONG-TERM DEBT	17,578		17,494
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred income taxes, net	2,314		2,890
Benefit plan obligations, net	2,140		2,205
Deferred revenue	6,200		3,733
Other liabilities	3,295		3,071
Total deferred credits and other liabilities	13,949		11,899
COMMITMENTS AND CONTINGENCIES (Note 12)
STOCKHOLDERS' (DEFICIT) EQUITY
Preferred stock—non-redeemable, $25.00 par value, authorized 2,000 and 2,000 shares, issued and outstanding 7 and 7 shares	—		—
Common stock, no par value, authorized 2,200,000 and 2,200,000 shares, issued and outstanding 1,025,654 and 1,014,768 shares	19,173		19,149

Accumulated other comprehensive loss	(647)		(723)
Accumulated deficit	(19,699)		(17,962)
Total stockholders' (deficit) equity	(1,173)		464
TOTAL LIABILITIES AND STOCKHOLDERS' (DEFICIT) EQUITY	$	34,286	33,496

See accompanying notes to consolidated financial statements.

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LUMEN TECHNOLOGIES, INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS

(UNAUDITED)


	Nine Months Ended September 30,
	2025		2024
	(Dollars in millions)
OPERATING ACTIVITIES
Net loss	$	(1,737)	(140)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	2,075		2,198
Net loss on sale of business	—		17
Goodwill impairment	628		—
Deferred income taxes	(597)		(6)
Provision for uncollectible accounts	47		54
Net loss (gain) on early retirement of debt	666		(277)
Debt modification costs and related fees	—		(80)
Gain on sale of investment	—		(205)

Stock-based compensation	35		21
Changes in current assets and liabilities:
Accounts receivable	(92)		39
Accounts payable	262		(212)
Accrued income and other taxes	92		440
Other current assets and liabilities, net	68		264
Retirement benefits	14		(185)
Change in deferred revenue	2,468		1,572
Changes in other assets and liabilities, net	102		185
Other, net	145		(40)
Net cash provided by operating activities	4,176		3,645
INVESTING ACTIVITIES
Capital expenditures	(2,723)		(2,316)

Proceeds from sale of property, plant and equipment, and other assets	44		283

Other, net	10		34
Net cash used in investing activities	(2,669)		(1,999)
FINANCING ACTIVITIES
Net proceeds from issuance of long-term debt	6,920		1,325
Payments of long-term debt	(7,259)		(2,069)
Net payments of revolving line of credit	—		(200)

Debt issuance and extinguishment costs and related fees	(641)		(282)

Other, net	(15)		(15)
Net cash used in financing activities	(995)		(1,241)
Net increase in cash, cash equivalents and restricted cash	512		405
Cash, cash equivalents and restricted cash at beginning of period	1,900		2,248
Cash, cash equivalents and restricted cash at end of period	$	2,412	2,653
Supplemental cash flow information:
Income taxes (paid) refunded, net	$	(12)	425
Interest paid (net of capitalized interest of $110 and $130)	(984)		(877)
Supplemental noncash information regarding financing activities:
Cancellation of term loans as part of refinancings (Note 5)	$	(2,267)	—
Issuance of term loans as part of refinancings (Note 5)	2,267		—
Cash, cash equivalents and restricted cash:
Cash and cash equivalents	$	2,401	2,640

Restricted cash included in Other current assets, net	3		2
Restricted cash included in Other assets, net	8		11
Total	$	2,412	2,653

See accompanying notes to consolidated financial statements.

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LUMEN TECHNOLOGIES, INC.

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' (DEFICIT) EQUITY

(UNAUDITED)


	Three Months Ended September 30,			Nine Months Ended September 30,
	2025		2024	2025	2024
	(Dollars in millions except per share amounts)
COMMON STOCK
Balance at beginning of period	$	19,162	1,016	19,149	1,008
Net issuance of common stock through incentive and benefit plans	—		(1)	—	7
Shares withheld to satisfy tax withholdings	(2)		—	(14)	—
Stock-based compensation	13		—	35	—
Other	—		—	3	—

Balance at end of period	19,173		1,015	19,173	1,015
ADDITIONAL PAID-IN CAPITAL
Balance at beginning of period	—		18,135	—	18,126

Shares withheld to satisfy tax withholdings	—		(4)	—	(5)
Stock-based compensation	—		10	—	21

Other	—		(1)	—	(2)
Balance at end of period	—		18,140	—	18,140
ACCUMULATED OTHER COMPREHENSIVE LOSS
Balance at beginning of period	(679)		(786)	(723)	(810)
Other comprehensive income	32		20	76	44
Balance at end of period	(647)		(766)	(647)	(766)
ACCUMULATED DEFICIT
Balance at beginning of period	(19,078)		(17,899)	(17,962)	(17,907)
Net loss	(621)		(148)	(1,737)	(140)
Balance at end of period	(19,699)		(18,047)	(19,699)	(18,047)
TOTAL STOCKHOLDERS' (DEFICIT) EQUITY	$	(1,173)	342	(1,173)	342

See accompanying notes to consolidated financial statements.

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LUMEN TECHNOLOGIES, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(UNAUDITED)

References in the Notes to "Lumen Technologies" or "Lumen," "we," "us," the "Company," and "our" refer to Lumen Technologies, Inc. and its consolidated subsidiaries, unless the context otherwise requires.

Note 1— Background

General

We are a leading digital networking services company, empowering enterprise businesses to fuel growth in a multi-cloud, AI-first marketplace by connecting people, data, and applications quickly, securely, and effortlessly. We are unleashing the world's digital potential by providing a broad array of integrated products and services to our domestic and global Business customers and our domestic Mass Markets customers. We operate one of the world’s most interconnected communications networks. Our platform empowers our customers to swiftly adjust digital programs to meet immediate demands, create efficiencies, accelerate market access, and reduce costs, which allows our customers to rapidly evolve their IT programs to address dynamic changes. Our specific products and services are detailed in Note 4—Revenue Recognition.

Basis of Presentation

Our consolidated balance sheet as of December 31, 2024, which was derived from our audited consolidated financial statements, and our unaudited interim consolidated financial statements provided herein have been prepared in accordance with the instructions for Form 10-Q. Certain information and note disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America ("GAAP") have been condensed or omitted pursuant to rules and regulations of the U.S. Securities and Exchange Commission ("SEC"). However, in our opinion, the disclosures made therein are adequate to make the information presented not misleading. We believe these consolidated financial statements include all normal recurring adjustments necessary to fairly state the results for the interim periods. The consolidated results of operations and cash flows for the first nine months of the year are not necessarily indicative of the consolidated results of operations and cash flows that might be expected for the entire year. These consolidated financial statements and the accompanying notes should be read in conjunction with the audited consolidated financial statements and the notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2024.

The accompanying consolidated financial statements include our accounts and the accounts of our subsidiaries in which we have a controlling interest. Intercompany amounts and transactions with our consolidated subsidiaries have been eliminated.

To simplify the overall presentation of our consolidated financial statements, we report immaterial amounts attributable to noncontrolling interests in certain of our subsidiaries as follows: (i) income attributable to noncontrolling interests in other income, net, (ii) equity attributable to noncontrolling interests in additional paid-in capital, and (iii) cash flows from transactions attributable to noncontrolling interests in other, net financing activities.

We reclassified certain prior period amounts to conform to the current period presentation, including the recategorization of our Business revenue by product category and sales channel in our segment reporting. See Note 4—Revenue Recognition and Note 11—Segment Information for additional information. These changes had no impact on total operating revenue, total operating expenses or net loss for any period.

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Summary of Significant Accounting Policies

Refer to the significant accounting policies described in Note 1— Background and Summary of Significant Accounting Policies to the consolidated financial statements and accompanying notes in Part II, Item 8 of our Annual Report on Form 10-K for the year ended December 31, 2024, as further supplemented below:

Assets Held for Sale

We classify assets and related liabilities as held for sale when: (i) management has committed to a plan to sell the assets; (ii) the net assets are available for immediate sale; (iii) there is an active program to locate a buyer; and (iv) the sale and transfer of the net assets is probable within one year. Assets and liabilities held for sale are presented separately on our consolidated balance sheets with a valuation allowance, if necessary, to recognize the net carrying amount at the lower of carrying value or fair value, less costs to sell. Depreciation of property, plant and equipment and amortization of finite-lived intangible assets and right-of-use assets are not recorded while these assets are classified as held for sale. For each reporting period that assets are classified as being held for sale, they are tested for recoverability. Unless otherwise specified, the amounts and information presented in the accompanying notes do not include assets and liabilities that have been classified as held for sale as of September 30, 2025. See Note 2 for information about our agreement to sell our Mass Markets fiber-to-the-home business in 11 states to AT&T and our classification of this business as held for sale on May 21, 2025.

Recently Adopted Accounting Pronouncements

Segments

We adopted Accounting Standards Update ("ASU") 2023-07, “Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures” for the year ended December 31, 2024. This ASU is intended to improve reportable segment disclosure requirements primarily through enhanced disclosures about significant segment expenses. The ASU does not change how a public entity identifies its operating segments, aggregates them, or applies quantitative thresholds to determine reportable segments. Refer to Note 11—Segment Information for more information on our segment reporting.

Recently Issued Accounting Pronouncements

In September 2025, the Financial Accounting Standards Board (the "FASB") issued ASU No. 2025-07 (“ASU 2025-07”), "Derivatives and Hedging (Topic 815)" and "Revenue from Contracts with Customers (Topic 606)." The guidance refines the scope of Topic 815 to clarify which contracts are subject to derivative accounting. This ASU also provides clarification under Topic 606 for share-based payments from a customer in a revenue contract. The amendments in ASU 2025-07 are effective for fiscal years beginning after December 15, 2026, and interim reporting periods, with early adoption permitted. The Company is currently evaluating ASU 2025-07 to determine the impact it may have on our consolidated financial statements.

In September 2025, the FASB issued ASU 2025-06, "Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software" ("ASU 2025-06") which amends the guidance in ASC 350-40, "Intangibles—Goodwill and Other—Internal-Use Software". This ASU modernizes the recognition and disclosure framework for internal-use software costs, removing the previous “development stage” model and introducing a more judgment-based approach. ASU 2025-06 is effective for fiscal years beginning after December 15, 2027, and for interim periods within those annual reporting periods, with early adoption permitted. The Company is currently evaluating ASU 2025-06 to determine the impact it may have on our consolidated financial statements.

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In July 2025, the FASB issued ASU 2025-05 "Measurement of Credit Losses for Accounts Receivable and Contract Assets" (“ASU 2025-05”). This ASU provides entities with a practical expedient to simplify the estimation of expected credit losses on current accounts receivable and current contract assets that arise from transactions accounted for under ASC 606 by allowing the assumption that current conditions as of the balance sheet date will not change during the remaining life of the asset. This standard is effective for annual reporting periods beginning after December 15, 2025, and interim reporting periods within those annual reporting periods, with early adoption permitted. The Company is currently evaluating ASU 2025-05 to determine the impact it may have on our consolidated financial statements.

In November 2024, the FASB issued ASU 2024-04, "Debt—Debt with Conversion and Other Options (Subtopic 470-20): Induced Conversions of Convertible Debt Instruments." This ASU clarifies the requirements for determining whether certain settlements of convertible debt instruments should be accounted for as induced conversions rather than as debt extinguishments. This standard is effective for the annual period of fiscal 2026 and early adoption is permitted. As of September 30, 2025, we did not have any outstanding convertible debt instruments and do not expect this ASU will have any impact on our consolidated financial statements.

In November 2024, the FASB issued ASU 2024-03, "Disaggregation of Income Statement Expenses." This ASU requires additional footnote disclosure of the details of certain income statement expense line items as well as additional disclosure about selling expenses. This standard is effective for the annual period of fiscal 2027 and early adoption is permitted. The guidance will be applied prospectively, with the option for retrospective application. We are currently evaluating the impact the adoption of this standard will have on our disclosures.

In December 2023, the FASB issued ASU 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures.” This ASU requires that public business entities must annually (1) disclose specific categories in their rate reconciliation and (2) provide additional information for reconciling items that meet a quantitative threshold (if the effect of those reconciling items is equal to or greater than five percent of the amount computed by multiplying pretax income or loss by the applicable statutory income tax rate). This ASU will become effective for us for the annual reporting period ending December 31, 2025. The Income Taxes footnote to the consolidated financial statements included in Item 8 of Part II of our Annual Report on Form 10-K for the year ended December 31, 2025 will align with the standard. We do not anticipate this standard will affect our operating results.

Note 2—Planned Divestiture of the Mass Markets Fiber-to-the-Home Business

On May 21, 2025, we entered into a definitive agreement to sell our Mass Markets fiber-to-the-home business in 11 states to AT&T for a pre-tax total of $5.75 billion in cash, subject to working capital and various other purchase price adjustments.

The actual amount of our net after-tax proceeds from this divestiture could vary substantially from the amounts we currently estimate, including if we experience delays in completing the transaction or if there are changes in other assumptions that impact our estimates.

We do not believe this divestiture transaction represents a strategic shift for Lumen and therefore, does not meet the criteria to be classified as a discontinued operation. As a result, we will continue to report our operating results for the Mass Markets fiber-to-the-home business (the "disposal group") in our consolidated operating results until the transaction is closed. We anticipate closing this divestiture in early 2026, upon receipt of all requisite regulatory approvals, as well as the satisfaction of other customary conditions.

As of September 30, 2025 in the accompanying consolidated balance sheet, the assets and liabilities of the disposal group are classified as held for sale and measured at the lower of (i) the carrying value when we classified the disposal group as held for sale or (ii) the fair value of the disposal group, less costs to sell. Effective with the designation of the disposal group as held for sale on May 21, 2025, we suspended recording depreciation of property, plant and equipment while these assets are classified as held for sale. We estimate that we would have recorded an additional $40 million and $62 million of depreciation for the three and nine months ended September 30, 2025, respectively, if the disposal group did not meet the held for sale criteria.

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Under the terms of the purchase agreement, Lumen agreed to grant the purchaser an indefeasible right to use (“IRU”) certain Lumen retained fiber assets following the close of the transaction in order to service the transferred customer contracts. The value of these retained Lumen assets subject to the IRU is excluded from assets held for sale in the table below.

The principal components of the held for sale assets and liabilities of the disposal group as of September 30, 2025 are as follows:


	September 30, 2025
	(Dollars in millions)
Assets held for sale
Accounts receivable, less allowance of $1	$	13
Other current assets, net	16
Property, plant and equipment, net of accumulated depreciation of $742	2,370
Goodwill	1,336
Other assets, net	30
Total assets held for sale	$	3,765

Liabilities held for sale

Other current liabilities	$	3
Current portion of deferred revenue	32
Other non-current liabilities	1
Total liabilities held for sale	$	36

Note 3—Goodwill, Customer Relationships and Other Intangible Assets

Goodwill, customer relationships and other intangible assets consisted of the following:


	September 30, 2025		December 31, 2024
	(Dollars in millions)
Goodwill(1)	$	—	1,964
Indefinite-lived intangible assets	$	—	9
Other intangible assets subject to amortization:
Customer relationships, less accumulated amortization of $4,796 and $4,504(2)	2,750		3,196
Capitalized software, less accumulated amortization of $3,853 and $4,067(2)	1,599		1,529
Patents and other, less accumulated amortization of $96 and $86	62		72
Total other intangible assets, net	$	4,411	4,806

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(1) As of September 30, 2025, this amount excluded goodwill classified as held for sale of approximately $1.3 billion. See Note 2—Planned Divestiture of the Mass Markets Fiber-to-the-Home Business.

(2) Certain customer relationships with a gross carrying value of $161 million and capitalized software with a gross carrying value of $211 million became fully amortized during 2024 and were retired during the first quarter of 2025.

As of September 30, 2025 and December 31, 2024, the gross carrying amount of goodwill, customer relationships, indefinite-lived, and other intangible assets was $13.2 billion and $15.4 billion, respectively.

Our goodwill was derived from numerous acquisitions where the purchase price exceeded the fair value of the net assets acquired. We report our results within two segments: Business and Mass Markets. See Note 11—Segment Information for more information on these segments.

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We are required to assess our goodwill and other indefinite-lived intangible assets for impairment annually, or, under certain circumstances, more frequently, such as when events or changes in circumstances indicate there may be impairment. We are required to write down the value of goodwill only when our assessment determines the carrying value of equity of any of our reporting units exceeds its fair value. Our annual impairment assessment date for goodwill is October 31, at which date we assess our reporting units.

On September 30, 2025, we had three reporting units: (i) Mass Markets, (ii) North American Business ("NA Business"), and (iii) Asia Pacific region ("APAC"). Our reporting units are not discrete legal entities with discrete full financial statements. Our assets and liabilities are deployed in, and relate to the operations of, multiple reporting units. When we assess goodwill for impairment, we compare the estimated fair value of each reporting unit's equity to the carrying value of equity that we assign to the reporting unit. If the estimated fair value of the reporting unit is greater than the carrying value, we conclude that no impairment exists. If the estimated fair value of the reporting unit is less than the carrying value, we record a non-cash impairment charge equal to the excess amount. Depending on the facts and circumstances, we typically estimate the fair value of our reporting units by considering either or both of (i) a discounted cash flow method, which is based on the present value of projected cash flows over a discrete projection period and a terminal value, which is based on the expected normalized cash flows of the reporting units following the discrete projection period, and (ii) a market approach, which includes the use of market multiples of publicly-traded companies whose services are comparable to ours.

Second Quarter 2025 Goodwill Impairment Analysis

We determined that the classification of the Mass Markets fiber-to-the-home business as held for sale as described in Note 2—Planned Divestiture of the Mass Markets Fiber-to-the-Home Business was considered an event or change in circumstance which required an assessment of our goodwill for impairment as of April 30, 2025. We performed a pre-classification goodwill impairment assessment, as of April 30, 2025, using the market approach to test for impairment prior to the classification of these assets as held for sale and to determine the fair value of our Mass Markets reporting unit for the assignment of goodwill held for sale. Applying this approach, we utilized company comparisons and analyst reports within the telecommunications industry which supported a range of fair values derived from annualized revenue and earnings before interest, tax, depreciation and amortization ("EBITDA") multiples between 1.8x and 3.1x and 5.8x and 8.0x, respectively. We reconciled the estimated fair values of the reporting units to our market capitalization as of April 30, 2025 and concluded that the indicated control premium of approximately 42% was reasonable based on recent market transactions. We concluded no impairment existed at any of our reporting units as of our April 30, 2025 assessment date.

We also performed a post-classification goodwill impairment test using the market approach to evaluate whether the fair value of our reporting units that will remain following the divestiture exceeds the carrying value of the equity of such reporting units after classification of assets held for sale and concluded the indicated control premium of approximately 4% was reasonable based on recent market transactions. As a result of this analysis, we determined that the Mass Markets reporting unit was fully impaired, resulting in us recognizing a non-cash, non-tax-deductible goodwill impairment charge of $628 million during the quarter ended June 30, 2025.

The market approach we used in the quarter ended June 30, 2025 incorporated estimates and assumptions related to the forecasted results for the remainder of the year, including revenues, expenses, and the achievement of certain strategic initiatives. In developing the market multiples applicable for each reporting unit, we considered observed trends of our industry participants. Our assessment included many factors that required significant judgment. Alternative interpretations of these factors could have resulted in different conclusions regarding the size of our impairment.

The following table shows the rollforward of goodwill assigned to our reportable segments from December 31, 2024 to September 30, 2025.

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	Business		Mass Markets	Total
	(Dollars in Millions)
As of December 31, 2024(1)	$	—	1,964	1,964
Impairment	—		(628)	(628)
Reclassified as held for sale(2)	—		(1,336)	(1,336)
As of September 30, 2025(1)	$	—	—	—

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(1) Goodwill at September 30, 2025 and December 31, 2024 is net of accumulated impairment losses of $22.3 billion and $21.7 billion, respectively.

(2) Reflects the $1.3 billion of goodwill, net of accumulated impairment loss, reclassified as held for sale related to our pending divestiture. See Note 2—Planned Divestiture of the Mass Markets Fiber-to-the-Home Business

Total amortization expense for finite-lived intangible assets for the three months ended September 30, 2025 and 2024 totaled $251 million and $253 million, respectively, and for the nine months ended September 30, 2025 and 2024 totaled $751 million and $802 million, respectively.

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Note 4—Revenue Recognition

Product and Service Categories

We categorize our products and services revenue among the following categories for the Business segment:

•Grow, which includes existing and emerging products and services in which we are significantly investing, including our dark fiber and conduit, Edge Cloud, IP, managed security, software-defined wide area networks, Unified Communications and Collaboration, and wavelengths services;

•Nurture, which includes our more mature offerings, including ethernet, and VPN data networks services;

•Harvest, which includes our legacy services managed for cash flow, including Time Division Multiplexing voice and private line services; and

•Other, which includes equipment sales, managed and professional service solutions, and other services.

We categorize our products and services revenue among the following categories for the Mass Markets segment:

•Fiber Broadband, under which we provide high speed broadband services to residential and small business customers utilizing our fiber-based network infrastructure;

•Other Broadband, under which we provide primarily lower speed broadband services to residential and small business customers utilizing our copper-based network infrastructure; and

•Voice and Other, under which we derive revenues from (i) providing local and long-distance voice services, professional services, and other ancillary services, and (ii) federal broadband and state support programs.

Reconciliation of Total Revenue to Revenue from Contracts with Customers

The following tables provide total revenue by segment, sales channel and product category. They also provide the amount of revenue that is not subject to Accounting Standards Codification ("ASC") 606, "Revenue from Contracts with Customers" ("ASC 606"), but is instead governed by other accounting standards.


	Three Months Ended September 30, 2025				Nine Months Ended September 30, 2025
	Total Revenue		Adjustments for Non-ASC 606 Revenue (1)	Total revenue from Contracts with Customers	Total Revenue	Adjustments for Non-ASC 606 Revenue (1)	Total Revenue from Contracts with Customers
	(Dollars in millions)
Business Segment by Sales Channel and Product Category
Large Enterprise
Grow	$	451	(101)	350	1,294	(279)	1,015
Nurture	192		—	192	587	—	587
Harvest	72		—	72	226	—	226
Other	37		—	37	114	—	114
Total Large Enterprise Revenue	752		(101)	651	2,221	(279)	1,942
Mid-Market Enterprise
Grow	260		(7)	253	779	(19)	760
Nurture	146		—	146	465	—	465
Harvest	71		(1)	70	227	(3)	224
Other	11		—	11	30	—	30

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Total Mid-Market Enterprise Revenue	488		(8)	480	1,501	(22)	1,479
Public Sector
Grow	151		(25)	126	450	(73)	377
Nurture	79		—	79	246	—	246
Harvest	112		—	112	357	—	357
Other	136		—	136	394	—	394
Total Public Sector Revenue	478		(25)	453	1,447	(73)	1,374
Wholesale
Grow	261		(73)	188	788	(217)	571
Nurture	160		(6)	154	507	(18)	489
Harvest	236		(34)	202	754	(107)	647
Other	1		—	1	4	—	4
Total Wholesale Revenue	658		(113)	545	2,053	(342)	1,711
International and Other
Grow	37		(1)	36	112	(3)	109
Nurture	34		—	34	106	—	106
Harvest	6		—	6	21	—	21
Other	3		—	3	9	—	9
Total International and Other	80		(1)	79	248	(3)	245
Business Segment by Product Category
Grow	1,160		(207)	953	3,423	(591)	2,832
Nurture	611		(6)	605	1,911	(18)	1,893
Harvest	497		(35)	462	1,585	(110)	1,475
Other	188		—	188	551	—	551
Total Business Segment Revenue	2,456		(248)	2,208	7,470	(719)	6,751
Mass Markets Segment by Product Category
Fiber Broadband	225		(3)	222	651	(9)	642
Other Broadband	230		(23)	207	732	(71)	661
Voice and Other	176		(7)	169	508	24	532
Total Mass Markets Revenue	631		(33)	598	1,891	(56)	1,835
Total Revenue	$	3,087	(281)	2,806	9,361	(775)	8,586


	Three Months Ended September 30, 2024				Nine Months Ended September 30, 2024
	Total Revenue		Adjustments for Non-ASC 606 Revenue (1)	Total revenue from Contracts with Customers	Total Revenue	Adjustments for Non-ASC 606 Revenue (1)	Total Revenue from Contracts with Customers
	(Dollars in millions)
Business Segment by Sales Channel and Product Category
Large Enterprise
Grow	$	390	(73)	317	1,145	(183)	962
Nurture	234		—	234	710	—	710
Harvest	94		—	94	293	—	293
Other	43		—	43	127	(1)	126
Total Large Enterprise Revenue	761		(73)	688	2,275	(184)	2,091
Mid-Market Enterprise
Grow	257		(6)	251	770	(19)	751
Nurture	186		—	186	599	—	599

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Harvest	89		(1)	88	282	(3)	279
Other	10		(4)	6	30	(5)	25
Total Mid-Market Enterprise Revenue	542		(11)	531	1,681	(27)	1,654
Public Sector
Grow	133		(21)	112	386	(62)	324
Nurture	87		—	87	263	—	263
Harvest	87		(1)	86	273	(3)	270
Other	123		—	123	378	—	378
Total Public Sector Revenue	430		(22)	408	1,300	(65)	1,235
Wholesale
Grow	259		(73)	186	782	(211)	571
Nurture	183		(6)	177	561	(20)	541
Harvest	268		(35)	233	819	(110)	709
Other	2		—	2	7	—	7
Total Wholesale Revenue	712		(114)	598	2,169	(341)	1,828
International and Other
Grow	38		(1)	37	116	(3)	113
Nurture	39		—	39	122	—	122
Harvest	12		—	12	33	—	33
Other	3		—	3	10	—	10
Total International and Other	92		(1)	91	281	(3)	278
Business Segment by Product Category
Grow	1,077		(174)	903	3,199	(478)	2,721
Nurture	729		(6)	723	2,255	(20)	2,235
Harvest	550		(37)	513	1,700	(116)	1,584
Other	181		(4)	177	552	(6)	546
Total Business Segment Revenue	2,537		(221)	2,316	7,706	(620)	7,086
Mass Markets Segment by Product Category
Fiber Broadband	190		(3)	187	541	(10)	531
Other Broadband	283		(25)	258	896	(80)	816
Voice and Other	211		(5)	206	636	(23)	613
Total Mass Markets Revenue	684		(33)	651	2,073	(113)	1,960
Total Revenue	$	3,221	(254)	2,967	9,779	(733)	9,046

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(1)Includes regulatory revenue and lease revenue not within the scope of ASC 606.

Operating Lease Revenue

We lease various dark fiber and conduit, office facilities, colocation facilities, switching facilities, other network sites, and service equipment to third parties under operating leases. Lease and sublease income are included in operating revenue in the consolidated statements of operations.

For the three months ended September 30, 2025 and 2024, our gross rental revenue was $272 million and $250 million, respectively, which represented approximately 9% and 8%, respectively, of our operating revenue for the three months ended September 30, 2025 and 2024. For the nine months ended September 30, 2025 and 2024, our gross rental revenue was $799 million and $711 million, respectively, which represented approximately 9% and 7%, respectively, of our operating revenue for the nine months ended September 30, 2025 and 2024.

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Customer Receivables and Contract Balances

The following table provides balances of customer receivables, contract assets, and contract liabilities, net of amounts classified as held for sale:


	September 30, 2025		December 31, 2024
	(Dollars in millions)
Customer receivables, less allowance of $42 and $50(1)	$	1,215	1,193
Contract assets	30		19
Contract liabilities(2)	675		733

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(1) As of September 30, 2025, this amount excluded $13 million of customer receivables, net associated with the disposal group classified as held for sale.

(2) As of September 30, 2025, this amount excluded $33 million of contract liabilities associated with the disposal group classified as held for sale.

Contract liabilities are consideration we have received from our customers or billed in advance of providing goods or services promised in the future. We defer recognizing this consideration as revenue until we have satisfied the related performance obligation to the customer. Contract liabilities include recurring services billed one month in advance and installation, and maintenance charges that are deferred and recognized over the actual or expected contract term, which typically ranges from one to five years depending on the service. Contract liabilities are included within Deferred revenue on our consolidated balance sheets. During the three and nine months ended September 30, 2025, we recognized $60 million and $425 million, respectively, of revenue that was included in contract liabilities of $733 million as of January 1, 2025, including contract liabilities that were classified as held for sale. During the three and nine months ended September 30, 2024, we recognized $47 million and $390 million of revenue that was included in contract liabilities of $698 million as of January 1, 2024.

Performance Obligations

As of September 30, 2025, we expect to recognize approximately $5.9 billion of revenue in the future related to performance obligations associated with existing customer contracts that are partially or wholly unsatisfied. As of September 30, 2025, the transaction price related to unsatisfied performance obligations that are expected to be recognized for the remainder of 2025, 2026, and thereafter was $880 million, $2.4 billion and $2.7 billion, respectively.

These amounts exclude (i) the value of unsatisfied performance obligations for contracts for which we recognize revenue in amounts for which we have the right to invoice for services performed (for example, uncommitted usage or non-recurring charges associated with professional or technical services to be completed), (ii) contracts that are classified as leasing arrangements or government assistance that are not subject to ASC 606, and (iii) the value of unsatisfied performance obligations for contracts which relate to the disposal group classified as held for sale.

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Contract Costs

The following tables provide changes in our contract acquisition costs and fulfillment costs:


	Three Months Ended September 30, 2025			Nine Months Ended September 30, 2025
	Acquisition Costs		Fulfillment Costs	Acquisition Costs	Fulfillment Costs
	(Dollars in millions)			(Dollars in millions)
Balance at beginning of period(1)	$	210	241	203	222
Costs incurred	34		57	106	166
Amortization	(30)		(41)	(95)	(117)
Change in contract costs held for sale	—		(3)	—	(17)
Balance at end of period(2)	$	214	254	214	254

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(1) The beginning balance for the three months ended September 30, 2025 excluded $14 million of fulfillment costs associated with the disposal group classified as held for sale.

(2) The ending balance for both the three and nine months ended September 30, 2025 excluded fulfillment costs associated with the disposal group classified as held for sale of $17 million.


	Three Months Ended September 30, 2024			Nine Months Ended September 30, 2024
	Acquisition Costs		Fulfillment Costs	Acquisition Costs	Fulfillment Costs
	(Dollars in millions)			(Dollars in millions)
Balance at beginning of period	$	185	204	182	184
Costs incurred	36		41	104	126
Amortization	(32)		(36)	(97)	(101)
Balance at end of period	$	189	209	189	209

Acquisition costs include commission fees paid to employees as a result of obtaining contracts. Fulfillment costs include third party and internal costs associated with the provision, installation, and activation of services to customers, including labor and materials consumed for these activities.

We amortize deferred acquisition and fulfillment costs based on the transfer of services on a straight-line basis over the average contract life of approximately 47 months for Mass Markets customers and 34 months for Business customers. We include amortized fulfillment costs in cost of services and products and amortized acquisition costs in Selling, general and administrative in our consolidated statements of operations. We include the amount of these deferred costs that are anticipated to be amortized in the next 12 months in Other current assets, net on our consolidated balance sheets. We include the amount of deferred costs expected to be amortized beyond the next 12 months in Other assets, net on our consolidated balance sheets. We assess deferred acquisition and fulfillment costs for impairment on a quarterly basis.

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Note 5—Long-Term Debt and Credit Facilities

At September 30, 2025, substantially all of our outstanding consolidated debt had been incurred by us or one of the following three subsidiaries, each of which has borrowed funds either on a standalone basis or as part of a separate restricted group with certain of its subsidiaries:

•Level 3 Financing, Inc. ("Level 3 Financing"), including its parent guarantor Level 3 Parent, LLC ("Level 3 Parent") and certain subsidiary guarantors;

•Qwest Corporation ("Qwest"); and

•Qwest Capital Funding, Inc., including its parent guarantor, Qwest Communications International Inc.

Each of these borrowers or borrowing groups has entered into a credit agreement with certain financial institutions or other institutional lenders or issued senior notes. Certain of these debt instruments are described further below or in Note 7—Long-Term Debt and Credit Facilities to the consolidated financial statements included in Item 8 of Part II of our Annual Report on Form 10-K for the year ended December 31, 2024.

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The following table reflects the consolidated long-term debt of Lumen Technologies, Inc. and its subsidiaries as of the dates indicated below, including unamortized premiums (discounts) and unamortized debt issuance costs:


	Interest Rates(1)	Maturities(1)	September 30, 2025		December 31, 2024
			(Dollars in millions)
Senior Secured Debt: (2)
Lumen Technologies, Inc.
Series A Revolving Credit Facility	SOFR + 4.00%	2028	$	—	—
Series B Revolving Credit Facility	SOFR + 6.00%	2028	—		—
Term Loan A(3)	SOFR + 6.00%	2028	343		357
Term Loan B-1(4)	SOFR + 2.35%	2029	1,594		1,606
Term Loan B-2(4)	SOFR + 2.35%	2030	1,594		1,606
Term Loan B(5)	SOFR + 2.25%	2027	56		56
Superpriority notes	4.125% - 10.000%	2029 - 2032	1,247		1,247
Subsidiaries
Level 3 Financing, Inc.
Term Loan B-1(6)	N/A	N/A	—		1,199
Term Loan B-2(6)	N/A	N/A	—		1,199

Term Loan B-4(7)	SOFR + 3.25%	2032	2,400		—
Former Facility Tranche B Term Loan(8)	SOFR + 1.75%	2027	12		12
First Lien notes(9)	6.875% - 7.000%	2033 - 2034	4,425		3,846
Second Lien notes	3.875% - 4.875%	2029 - 2031	2,229		2,579
Unsecured Senior Notes and Other Debt:
Lumen Technologies, Inc.
Senior notes	4.500% - 7.650%	2028 - 2042	1,296		1,428
Subsidiaries:
Level 3 Financing, Inc.
Senior notes	3.625% - 4.250%	2028 - 2029	894		964
Qwest Corporation
Senior notes	6.500% - 7.750%	2030 - 2057	1,736		1,973
Qwest Capital Funding, Inc.
Senior notes	6.875% - 7.750%	2028 - 2031	169		192
Finance lease and other obligations	Various	Various	233		254
Unamortized discounts, net			(404)		(395)
Unamortized debt issuance costs			(152)		(217)
Total long-term debt			17,672		17,906
Less current maturities			(94)		(412)
Long-term debt, excluding current maturities			$	17,578	17,494

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(1)As of September 30, 2025. All references to "SOFR" refer to the Secured Overnight Financing Rate.

(2)The debt listed under the caption “Senior Secured Debt” was either secured by assets of the issuer, guaranteed on a secured or unsecured basis by certain affiliates of the issuer, or both.

(3)Lumen's Term Loan A had an interest rate of 10.316% and 10.573% as of September 30, 2025 and December 31, 2024, respectively.

(4)Lumen's Term Loan B-1 and B-2 each had an interest rate of 6.780% and 7.037% as of September 30, 2025 and December 31, 2024, respectively.

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(5)Lumen's Term Loan B had an interest rate of 6.680% and 6.937% as of September 30, 2025 and December 31, 2024, respectively.

(6)Level 3 Financing's Term Loan B-1 and B-2 each had an interest rate composition of SOFR + 6.56%, which was 11.133% as of December 31, 2024. As described below, this indebtedness was refinanced during the first quarter of 2025.

(7)Level 3 Financing's Term Loan B-4 had an interest rate composition of SOFR + 3.25%, which was 7.566% as of September 30, 2025.

(8)Level 3 Financing's Former Facility Tranche B 2027 Term Loan had an interest rate of 6.180% and 6.437% as of September 30, 2025 and December 31, 2024, respectively.

(9)Reflects Level 3 Financing's (i) Senior Secured notes issued on March 31, 2023 and (ii) First Lien notes issued on March 22, 2024, June 30, 2025, August 18, 2025, and September 8, 2025.

Long-Term Debt Maturities

Set forth below is the aggregate principal amount of our long-term debt as of September 30, 2025 (excluding unamortized discounts, net, and unamortized debt issuance costs), maturing during the following years:


	(Dollars in millions)
2025 (remaining three months)	$	25
2026	89
2027	139
2028	716
2029	3,761
2030 and thereafter	13,498
Total long-term debt	$	18,228

2025 Debt Transactions

During 2025, we have completed various debt refinancing, term loan repricing, and further debt reduction transactions described below, which resulted in a $666 million net loss on early retirement of debt, recognized in our Other (expense) income, net in our consolidated statement of operations for the nine months ended September 30, 2025. Additionally, these transactions resulted in early call premiums which were funded by proceeds from our debt issuances and are reflected as Debt issuance and extinguishment costs and related fees within our financing activities in our consolidated statements of cash flow.

Second Credit Facilities Refinancing — Third Quarter 2025

On September 29, 2025, Level 3 Financing (i) refinanced all of the outstanding secured Term Loan B-3 facilities under its existing Credit Agreement, dated March 22, 2024 (the "Existing Level 3 Credit Agreement"), by and among Level 3 Financing, as borrower, Level 3 Parent, as guarantor, Wilmington Trust, National Association, as administrative agent and collateral agent, and the lenders from time to time party thereto and (ii) entered into an amendment to the Existing Level 3 Credit Agreement (collectively, the "Second Credit Facilities Transactions"). This amendment revised the Existing Level 3 Credit Agreement to, among other things, reduce the pricing on Level 3 Financing’s term loan facility and make related changes to effect such repricing. Immediately following the Second Credit Facilities Transactions, Level 3 Financing had $2.4 billion of outstanding borrowings under its new secured Term Loan B-4 facility.

The Company determined that the Second Credit Facilities Transactions constituted a debt extinguishment and recorded a loss of $56 million, which is included in our aggregate Net (loss) gain on early retirement of debt in Other (expense) income, net in our consolidated statement of operations for the three and nine months ended September 30, 2025.

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First Lien Note Refinancings — Third Quarter 2025

Additionally, on September 8, 2025, Level 3 Financing issued an additional $425 million aggregate principal amount of 7.000% First Lien notes due 2034. On September 14, 2025, Level 3 Financing used the net proceeds from the offering, together with cash on hand, to redeem the remaining $373 million aggregate principal amount of its outstanding 10.750% First Lien notes due 2030, including the payment of redemption premium and accrued interest, as well as related fees and expenses.

The Company determined that these refinancings constituted debt extinguishments and recorded a loss of $344 million, which is included in our aggregate Net (loss) gain on early retirement of debt in Other (expense) income, net in our consolidated statements of operations for the three and nine months ended September 30, 2025.

First Lien Note Refinancing — Second Quarter 2025

On June 30, 2025, Level 3 Financing issued $2.0 billion of 6.875% First Lien notes due 2033. On such date, Level 3 Financing used the net proceeds from the offering, together with cash on hand, to redeem (i) all $925 million aggregate principal amount of Level 3 Financing's then-outstanding First Lien 10.500% Senior Secured notes due 2030, (ii) all $668 million aggregate principal amount of Level 3 Financing’s then-outstanding 10.500% First Lien notes due 2029, and (iii) $167 million aggregate principal amount of Level 3 Financing’s outstanding 11.000% First Lien notes due 2029, in each case including the payment of redemption premium and accrued interest, as well as related fees and expenses (collectively, the "First Lien Note Refinancing").

The Company determined that the First Lien Note Refinancing constituted a debt extinguishment and recorded a loss of $236 million, which is included in our aggregate Net (loss) gain on early retirement of debt in Other (expense) income, net in our consolidated statement of operations for the nine months ended September 30, 2025.

First Credit Facilities Refinancing — First Quarter 2025

On March 27, 2025, Level 3 Financing (i) refinanced all of the outstanding secured Term Loan B-1 facilities and secured Term Loan B-2 facilities under its existing Credit Agreement, dated March 22, 2024 (the "Original Level 3 Credit Agreement"), by and among Level 3 Financing, as borrower, Level 3 Parent, as guarantor, Wilmington Trust, National Association, as administrative agent and collateral agent, and the lenders from time to time party thereto and (ii) entered into an amendment to the Original Level 3 Credit Agreement (collectively, the "First Credit Facilities Transactions"). This amendment revised the Original Level 3 Credit Agreement to, among other things, (i) reduce the pricing on Level 3 Financing’s term loan facility and make related changes to effect such repricing and (ii) extend the maturity of Level 3 Financing's term loan facility to 2032. Immediately following the First Credit Facilities Transactions, Level 3 Financing had $2.4 billion of outstanding borrowings under its new secured Term Loan B-3 facility.

The Company determined that the First Credit Facilities Transactions constituted a debt extinguishment and recorded a loss of $35 million, which is included in our aggregate Net (loss) gain on early retirement of debt in Other (expense) income, net in our consolidated statement of operations for the nine months ended September 30, 2025.

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Third Quarter 2025 Cash Redemption

On September 30, 2025, Level 3 Financing fully redeemed $350 million in aggregate principal amount of its 10.000% Second Lien notes due 2032 in exchange for cash. Transaction fees related to this redemption were not significant.

First Quarter 2025 Cash Redemptions

The following table sets forth the aggregate principal amount of each series of unsecured senior notes of Lumen and Level 3 Financing fully redeemed in exchange for cash on February 15, 2025. Transaction fees related to these redemptions were not significant.


Debt Redeemed on February 15, 2025	Aggregate Principal Amount (in millions)
Lumen Technologies, Inc.
5.625% unsecured Senior notes due 2025	$	55
7.200% unsecured Senior notes due 2025	29
5.125% unsecured Senior notes due 2026	7
4.000% unsecured Senior notes due 2027	41
Level 3 Financing, Inc.
3.400% unsecured Senior notes due 2027	5
4.625% unsecured Senior notes due 2027	65
Total	$	202

2024 Debt Transactions

For information on various issuances, exchanges, or payments of long-term indebtedness by Lumen or its subsidiaries during 2024, see Note 7—Long-Term Debt and Credit Facilities in Item 8 of Part II of our Annual Report on Form 10-K for the year ended December 31, 2024.

Lumen Credit Agreements

Lumen is a party to (i) a Superpriority Revolving/Term A Credit Agreement, dated March 22, 2024, providing for superpriority series A and series B Revolving Credit Facilities (respectively, the “Series A Revolving Credit Facility” and “Series B Revolving Credit Facility,” and, together, the “Revolving Credit Facilities”) and a superpriority secured term loan facility (the “Lumen TLA”), (ii) a Superpriority Term B Credit Agreement, dated March 22, 2024, providing for two superpriority secured term loan facilities, maturing in 2029 and 2030, respectively (together, the “Lumen TLB”), and (iii) a credit agreement providing for Lumen's Term Loan B maturing in 2027, all of which are described in further detail in Note 7—Long-Term Debt and Credit Facilities— in Item 8 of Part II of our Annual Report on Form 10-K for the year ended December 31, 2024.

Lumen may prepay amounts outstanding under the Series B Revolving Credit Facility or Lumen TLA at anytime without premium or penalty. If no amounts are outstanding under the Series B Revolving Credit Facility, Lumen may prepay amounts outstanding under the Series A Revolving Credit Facility without premium or penalty.

Both of the Revolving Credit Facilities mature on June 1, 2028 (in each case subject to a springing maturity in certain circumstances). The Lumen TLA matures on June 1, 2028 and requires Lumen to make quarterly amortization payments of 1.25% of the initial principal amount and certain specified mandatory prepayments upon the occurrence of certain transactions.

The Lumen TLB requires Lumen to make quarterly amortization payments of 0.25% of the initial principal amount and certain specified mandatory prepayments upon the occurrence of certain transactions.

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As of September 30, 2025, no borrowings were outstanding under Lumen’s (i) Series A Revolving Credit Facility, with commitments of approximately $489 million, or (ii) Series B Revolving Credit Facility, with commitments of approximately $465 million.

Level 3 Financing Credit Agreement

As of September 30, 2025, Level 3 Financing had $2.4 billion of non-amortizing secured Term Loan B-4 outstanding under the term loan facility established by the Existing Level 3 Credit Agreement.

Borrowings under the term loan facility will be, at Level 3 Financing’s option, either (i) the base rate (which is the highest of (x) the overnight federal funds rate, plus 0.50%, (y) the prime rate on such day, and (z) the one-month SOFR published on such date, plus 1.00%), plus an applicable margin, or (ii) one-, three- or six-month SOFR, plus an applicable margin. The applicable margin for SOFR loans under the term loan facility will be 3.25%. The term loan facility is subject to a SOFR floor of 0.00%.

Level 3 Financing may voluntarily prepay loans or reduce commitments under the Level 3 Credit Agreement, in whole or in part, subject to minimum amounts, with prior notice, but without premium or penalty (other than a 1.00% premium on any prepayment in connection with a repricing transaction prior to March 29, 2026). Level 3 Financing is required to prepay borrowings under the term loan facility with 100% of the net cash proceeds of certain asset sales and 100% of the net cash proceeds of certain debt issuances, in each case subject to certain exceptions.

Senior Notes of Lumen and its Subsidiaries

The Company’s consolidated indebtedness related to the senior notes of Lumen and its subsidiaries at September 30, 2025 included:

•superpriority senior secured notes issued by Lumen;

•first and second lien secured notes issued by Level 3 Financing; and

•senior unsecured notes issued by Lumen, Level 3 Financing, Qwest, and Qwest Capital Funding, Inc.

All of these notes carry fixed interest rates and all principal is due on the notes’ respective maturity dates, which rates and maturity dates are summarized in the table above.

Except for a limited number of senior notes issued by Qwest Corporation, the issuer generally can redeem the notes, at its option, in whole or in part, (i) pursuant to a fixed schedule of pre-established redemption prices, (ii) pursuant to a “make whole” redemption price, or (iii) under certain other specified limited conditions.

Revolving Letters of Credit

We use various financial instruments in the normal course of business. These instruments include letters of credit, which are conditional commitments issued on our behalf in accordance with specified terms and conditions. Lumen may draw letters of credit primarily under (i) an uncommitted $225 million revolving letter of credit facility and (ii) the Revolving Credit Facilities.

At September 30, 2025, we had $234 million undrawn letters of credit outstanding, (i) $232 million of which were issued under the Revolving Credit Facilities and (ii) $2 million of which were issued under a separate facility maintained by Lumen subsidiaries (the full amount of which is collateralized by cash that is reflected on our consolidated balance sheets as restricted cash within Other assets, net).

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Certain Guarantees and Security Interests

Lumen’s obligations under its Superpriority Revolving/Term Loan A Credit Agreement are unsecured, but certain of Lumen’s subsidiaries have provided an unconditional guarantee of payment of Lumen’s obligations (such entities, the “Lumen Guarantors”) and certain of such guarantees are secured by a lien on substantially all of the assets of the applicable Lumen Guarantors. Level 3 Parent, Level 3 Financing, and certain of Level 3 Financing’s subsidiaries have provided an unconditional guarantee of payment of Lumen’s obligations under each of its Series A Revolving Credit Facility of up to $150 million and its Series B Revolving Credit Facility of up to $150 million, in each case secured by a lien on substantially all of their assets (such entities, the “Level 3 Collateral Guarantors”). The guarantee by the Level 3 Collateral Guarantors may be reduced or terminated under certain circumstances. Qwest Corporation and certain of its subsidiaries have provided an unsecured guarantee of collection of Lumen’s obligations under the Revolving Credit Facilities and Lumen TLA (such entities, the “Qwest Guarantors”).

Lumen’s obligations under the Superpriority Term Loan B Credit Agreement are unsecured. The term loans issued under this agreement are guaranteed by the Lumen Guarantors and the Qwest Guarantors on the same basis as those entities guarantee Lumen’s obligations under its Superpriority Revolving/Term Loan A Credit Agreement.

Level 3 Financing’s obligations under the Level 3 Credit Agreement are secured by a first priority lien on substantially all of its assets. In addition, the other Level 3 Collateral Guarantors have provided a guarantee of Level 3 Financing’s obligations under the Level 3 Credit Agreement secured by a lien on substantially all of their assets.

Lumen’s superpriority secured senior notes are guaranteed by the Lumen Guarantors and the Qwest Guarantors on the same basis as those entities guarantee Lumen’s obligations under its Superpriority Revolving/Term Loan A Credit Agreement (subject, in certain cases, to receipt of necessary regulatory approvals). Level 3 Financing’s obligations under its first lien notes are secured by a first priority lien on substantially all of its assets (subject, in certain cases, to receipt of necessary regulatory approvals), and are guaranteed by the other Level 3 Collateral Guarantors (or, for certain such guarantors, for certain notes, will be guaranteed upon the receipt of required regulatory approvals) on the same basis as the guarantees provided by such entities under the Level 3 Credit Agreement. Level 3 Financing’s obligations under its second lien notes are secured by a second lien on substantially all of its assets, and are guaranteed by the other Level 3 Collateral Guarantors on the same basis as the guarantees provided by such entities under the Level 3 Credit Agreement, except the lien securing such guarantees is a second lien.

Lumen's reimbursement obligations under its outstanding letters of credit are secured by guarantees issued by certain of its subsidiaries.

Level 3 Financing's obligations under its unsecured notes are guaranteed on an unsecured basis by the same affiliated entities that guarantee the Level 3 Credit Agreement and secured notes. The senior unsecured notes issued by Qwest Capital Funding, Inc. are guaranteed by its parent, Qwest Communications International Inc.

Covenants

Lumen

Under its Superpriority Revolving/Term Loan A Credit Agreement, Lumen may not permit:

(i) its maximum total net leverage ratio to exceed 5.50 to 1.00 with respect to each fiscal quarter ending after December 31, 2024 and stepping down to 5.25 to 1.00 with respect to each fiscal quarter ending after December 31, 2025; or

(ii) its interest coverage ratio as of the last day of any test period to be less than 2.00 to 1.00.

Lumen’s superpriority credit agreements and superpriority senior secured notes contain various representations and warranties and extensive affirmative and negative covenants. Such covenants include, among other things and subject to certain significant exceptions, restrictions on our ability to declare or pay dividends, repurchase stock, repay certain other indebtedness, create liens, incur additional indebtedness, make investments, engage in transactions with our affiliates, dispose of assets, and merge or consolidate with other persons.

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Lumen’s senior unsecured notes were issued under four separate indentures. These indentures restrict Lumen’s ability to (i) incur, issue, or create liens upon its property and (ii) consolidate with or merge into, or transfer or lease all or substantially all of its assets to, any other party.

Under certain circumstances in connection with a “change of control” of Lumen, Lumen will be required to make an offer to repurchase substantially all of these senior notes at a price of 101% of the principal amount redeemed, plus accrued and unpaid interest.

Level 3 Financing

The Level 3 Credit Agreement and Level 3 Financing's first and second lien secured notes contain various representations and extensive affirmative and negative covenants. Such covenants include, among other things and subject to certain significant exceptions, restrictions on their ability to declare or pay dividends, repay certain other indebtedness, create liens, incur additional indebtedness, make investments, dispose of assets, and merge or consolidate with other persons. Also, under certain circumstances in connection with a “change of control” of Level 3 Parent or Level 3 Financing, Level 3 Financing will be required to make an offer to repurchase each series of its outstanding senior notes at a price of 101% of the principal amount redeemed, plus accrued and unpaid interest.

Qwest Companies

The senior notes of Qwest Corporation were issued under indentures dated April 15, 1990 and October 15, 1999. These indentures contain restrictions on the incurrence of liens and the consummation of certain transactions substantially similar to the above-described covenants in the indentures governing Lumen’s senior unsecured notes (but contain no mandatory repurchase provisions). The senior notes of Qwest Capital Funding, Inc. were issued under an indenture dated June 29, 1998 containing terms substantially similar to those set forth in Qwest Corporation's indentures.

Compliance

As of September 30, 2025, Lumen Technologies, Inc. believes it and its subsidiaries were in compliance with the provisions and financial covenants in their respective material debt agreements in all material respects.

Guarantees

Lumen does not guarantee the debt of any unaffiliated parties, but, as noted above, as of September 30, 2025, certain of its key subsidiaries have guaranteed on either a secured or unsecured basis (i) Lumen's debt outstanding under its superpriority credit agreements, its superpriority senior secured notes and unsecured senior notes issued by certain other subsidiaries and its $225 million letter of credit facility and (ii) the outstanding term loans, senior secured notes and senior unsecured notes issued by certain other subsidiaries. As further noted above, several of the subsidiaries guaranteeing these obligations have pledged substantially all of their assets to secure certain of their respective guarantees.

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Note 6—Property, Plant and Equipment

Net property, plant and equipment is composed of the following:


	Depreciable Lives	September 30, 2025		December 31, 2024

		(Dollars in millions)
Land	N/A	$	628	630
Fiber, conduit and other outside plant (1)	15-45 years	16,447		17,348
Central office and other network electronics(2)	3-10 years	16,346		16,616
Support assets(3)	3-30 years	6,903		6,804
Construction in progress(4)	N/A	2,203		2,144
Gross property, plant and equipment		42,527		43,542
Accumulated depreciation		(23,420)		(23,121)
Net property, plant and equipment		$	19,107	20,421

_______________________________________________________________________________

(1)Fiber, conduit and other outside plant consists of fiber and metallic cable, conduit, poles, and other supporting structures.

(2)Central office and other network electronics consists of circuit and packet switches, routers, transmission electronics, and electronics providing service to customers.

(3)Support assets consist of buildings, data centers, computers, and other administrative and support equipment.

(4)Construction in progress includes inventory held for construction and property of the aforementioned categories that has not been placed in service as it is still under construction.

As of September 30, 2025, we classified certain property, plant and equipment, net as held for sale and discontinued recording depreciation on the disposal group. See Note 2—Planned Divestiture of the Mass Markets Fiber-to-the-Home Business.

We recorded depreciation expense of $423 million and $1.3 billion for the three and nine months ended September 30, 2025 and $454 million and $1.4 billion for the three and nine months ended September 30, 2024, respectively.

Note 7—Severance

Periodically, we reduce our workforce and accrue liabilities for the related severance costs. These workforce reductions result primarily from the progression or completion of our post-acquisition integration plans, increased competitive pressures, cost reduction initiatives, process improvements through automation, and reduced workloads due to reduced demand for certain services.

Changes in our accrued liabilities for severance expenses were as follows:


	Severance
	(Dollars in millions)
Balance at December 31, 2024	$	12
Accrued to expense	35
Payments, net	(28)
Balance at September 30, 2025	$	19

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Note 8—Employee Benefits

For detailed descriptions of the various defined benefit pension plans (qualified and non-qualified), post-retirement benefits plans, and defined contribution plan we sponsor, see Note 11—Employee Benefits to the consolidated financial statements and accompanying notes in Part II, Item 8 of our Annual Report on Form 10-K for the year ended December 31, 2024.

Net periodic benefit expense for the Lumen Combined Pension Plan (the "Combined Pension Plan" or the "Plan") includes the following components:


	Combined Pension Plan
	Three Months Ended September 30,			Nine Months Ended September 30,
	2025		2024	2025	2024
	(Dollars in millions)
Service cost	$	5	6	16	18
Interest cost	61		63	181	188
Expected return on plan assets	(64)		(68)	(191)	(204)


Recognition of prior service credit	—		(3)	(1)	(6)
Recognition of actuarial loss	36		28	108	82
Net periodic pension expense	$	38	26	113	78

Net periodic benefit expense for our post-retirement benefit plans includes the following components:


	Post-Retirement Benefit Plans
	Three Months Ended September 30,			Nine Months Ended September 30,
	2025		2024	2025	2024
	(Dollars in millions)
Service cost	$	—	1	2	3
Interest cost	22		23	66	70
Recognition of prior service credit	(3)		(1)	(6)	(5)
Recognition of actuarial gain	(6)		(4)	(19)	(13)
Special termination benefits charge	—		—	—	2
Net periodic post-retirement benefit expense	$	13	19	43	57

Service costs for our pension and post-retirement benefit plans are included in the Cost of services and products (exclusive of depreciation and amortization) and Selling, general and administrative line items on our consolidated statements of operations and all other costs listed above are included in Other income, net on our consolidated statements of operations for the three and nine months ended September 30, 2025 and 2024. As a result of ongoing efforts to reduce our workforce, we recognized a one-time charge of $2 million during the second quarter of 2024 for special termination benefit enhancements paid to certain eligible employees upon voluntary retirement.

Our Combined Pension Plan contains provisions that allow us, from time to time, to offer lump sum payment options to certain former employees in settlement of their future retirement benefits. We record an accounting settlement charge, consisting of the recognition of certain deferred costs of the pension plan associated with these lump sum payments, only if in the aggregate they exceed or are probable to exceed the sum of the annual service and interest costs for the plan’s net periodic pension benefit cost, which represents the settlement accounting threshold. The amount of any future non-cash settlement charges will be dependent on several factors, including the total amount of our future lump sum benefit payments.

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Benefits paid by the Combined Pension Plan are paid through a trust that holds the Plan's assets. The amount of required contributions to the Combined Pension Plan in 2025 and beyond will depend on a variety of factors, most of which are beyond our control, including earnings on plan investments, prevailing interest rates, demographic experience, changes in plan benefits, and changes in funding laws and regulations. We made a voluntary contribution of $170 million to the trust for the Combined Pension Plan during the third quarter of 2024. Based on current laws and circumstances, we do not expect to be required to make any additional contributions in 2025.

Note 9—(Loss) Earnings Per Common Share

Basic and diluted loss per common share for the three and nine months ended September 30, 2025 and 2024 were calculated as follows:


	Three Months Ended September 30,			Nine Months Ended September 30,
	2025		2024	2025	2024
	(Dollars in millions, except per share amounts, shares in thousands)
Loss (numerator)
Net loss	$	(621)	(148)	(1,737)	(140)
Net loss applicable to common stock for computing basic loss per common share	(621)		(148)	(1,737)	(140)
Net loss as adjusted for purposes of computing diluted loss per common share	(621)		(148)	(1,737)	(140)
Shares (denominator):
Weighted-average number of shares:
Outstanding during period	1,026,473		1,016,211	1,023,737	1,014,473
Non-vested restricted stock	(30,475)		(27,417)	(29,800)	(27,510)
Weighted average shares outstanding for computing basic loss per common share	995,998		988,794	993,937	986,963
Incremental common shares attributable to dilutive securities:
Shares issuable under convertible securities	—		—	—	—
Shares issuable under incentive compensation plans	—		—	—	—
Number of shares as adjusted for purposes of computing diluted loss per common share	995,998		988,794	993,937	986,963
Basic loss per common share	$	(0.62)	(0.15)	(1.75)	(0.14)
Diluted loss per common share(1)	$	(0.62)	(0.15)	(1.75)	(0.14)

______________________________________________________________________

(1)For the three and nine months ended September 30, 2025, we excluded from the calculation of diluted loss per share 11 million and 10 million shares, respectively, potentially issuable under incentive compensation plans or convertible securities, as their effect, if included, would have been anti-dilutive due to our net loss position. For the three and nine months ended September 30, 2024, we excluded from the calculation of diluted loss per share less than 12 million and 5 million shares, respectively, potentially issuable under incentive compensation plans or convertible securities, as their effect, if included, would have been anti-dilutive due to our net loss position.

Our calculation of diluted loss per common share excludes non-vested restricted stock awards that are anti-dilutive based upon the terms of the award. Such shares were 7.6 million and 11.3 million for the three months ended September 30, 2025 and 2024, respectively and 14.7 million and 18.5 million for the nine months ended September 30, 2025 and 2024, respectively.

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Note 10—Fair Value of Financial Instruments

Our financial instruments consist of cash, cash equivalents, restricted cash, accounts receivable, accounts payable, long-term debt (excluding finance lease and other obligations), certain equity investments, and certain indemnification obligations. Due primarily to their short-term nature, the carrying amounts of our cash, cash equivalents, restricted cash, accounts receivable, and accounts payable approximate their fair values.

Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between independent and knowledgeable parties who are willing and able to transact for an asset or liability at the measurement date. We use valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs when determining fair value and then we rank the estimated values based on the reliability of the inputs using the below-described fair value hierarchy.

We determined the fair values of our long-term debt, including the current portion, based on quoted market prices where available or, if not available, based on inputs other than quoted market prices in active markets that are either directly or indirectly observable such as discounted future cash flows using current market interest rates.

The three input levels in the hierarchy of fair value measurements are defined by the FASB generally as follows:


Input Level						Description of Input
Level 1						Observable inputs such as quoted market prices in active markets.
Level 2						Inputs other than quoted prices in active markets that are either directly or indirectly observable.
Level 3						Unobservable inputs in which little or no market data exists.

The following table presents the carrying amounts and estimated fair values of our financial liabilities as of September 30, 2025 and December 31, 2024, as well as the input level used to determine the fair values indicated below:


		September 30, 2025			December 31, 2024
	Input Level	Carrying Amount		Fair Value	Carrying Amount	Fair Value
		(Dollars in millions)

Long-term debt, excluding finance lease and other obligations	2	$	17,439	17,220	17,652	17,127
Indemnifications related to the sale of the Latin American business(1)	3	86		82	87	84

______________________________________________________________________

(1)Nonrecurring fair value is measured as of August 1, 2022.

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Note 11—Segment Information

Our business is managed based on customer-facing sales channels to align with how we support our customers. Our chief operating decision maker ("CODM"), who is our CEO, makes decisions and assesses the performance of the Company reviewing two segments: Business and Mass Markets. Our reportable segments have not been aggregated.

Under our Business segment we provide products and services to meet the needs of our enterprise and wholesale customers under five distinct sales channels — Large Enterprise, Mid-Market Enterprise, Public Sector, Wholesale, and International and Other. For Business segment revenue, we report the following product categories: Grow, Nurture, Harvest, and Other, in each case through the sales channels outlined above.

Under our Mass Markets Segment, we provide products and services to residential and small business customers. We report the following product categories — Fiber Broadband, Other Broadband, and Voice and Other.

See detailed descriptions of these product and service categories in Note 4—Revenue Recognition.

As described in more detail below, our segments are managed based on the direct costs of providing services to their customers and directly associated headcount and non-headcount operating expenses. Shared costs are managed separately and included in "other unallocated expense" in the table included below under the heading "— Revenue and Expenses". As referenced above, we reclassified certain prior period amounts to conform to the current period presentation. See Note 1— Background for additional detail on these changes. The CODM uses adjusted EBITDA as the key indicator in assessing performance and allocating resources for both the Business segment and Mass Markets segment.

The following tables summarize our segment results for the three and nine months ended September 30, 2025 and 2024, based on the segment categorization under which we were operating at September 30, 2025.


	Three Months Ended September 30, 2025			Nine Months Ended September 30, 2025
	Business		Mass Markets	Business	Mass Markets
	(Dollars in millions)
Segment revenue	$	2,456	631	7,470	1,891
Segment expenses
Cost of services and products	691		13	2,120	40
Headcount costs	294		142	874	434
Non-headcount costs	363		129	1,050	372
Total segment expense	1,348		284	4,044	846
Total segment adjusted EBITDA	$	1,108	347	3,426	1,045


	Three Months Ended September 30, 2024			Nine Months Ended September 30, 2024
	Business		Mass Markets	Business	Mass Markets
	(Dollars in millions)
Segment revenue	$	2,537	684	7,706	2,073
Segment expenses
Cost of services and products	766		16	2,265	53
Headcount costs	300		162	948	484
Non-headcount costs	371		149	1,061	420
Total segment expense	1,437		327	4,274	957
Total segment adjusted EBITDA	$	1,100	357	3,432	1,116

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Revenue and Expenses

Our segment revenue includes all revenue from our two segments as described in more detail above. Our segment revenue is based upon each customer's classification. We report our segment revenue based upon all services provided to that segment's customers. Our segment expenses include (i) specific cost of service expenses incurred as a direct result of providing services and products to segment customers, (ii) headcount costs, which primarily include salaries, commissions, and group insurance, and (iii) non-headcount costs, which primarily include legal and other professional fees, marketing and advertising expenses, other network-related expenses, and external commissions. We have not allocated assets or debt to specific segments.

The following items are excluded from our segment results, because they are centrally managed and not monitored by or reported to our chief operating decision maker by segment:

•network expenses not incurred as a direct result of providing services and products to segment customers and centrally managed expenses such as Finance, Human Resources, Legal, Marketing, Product Management, and IT, all of which are reported as "other unallocated expense" in the table below;

•depreciation and amortization expense;

•goodwill or other impairments;

•interest expense;

•stock-based compensation;

•other income and expense items; and

•income tax expense.

The following table reconciles total segment adjusted EBITDA to net loss for the three and nine months ended September 30, 2025 and 2024:


	Three Months Ended September 30,			Nine Months Ended September 30,
	2025		2024	2025	2024
	(Dollars in millions)
Total segment adjusted EBITDA	$	1,455	1,457	4,471	4,548
Depreciation and amortization	(674)		(707)	(2,075)	(2,198)
Goodwill impairment	—		—	(628)	—
Other unallocated expense	(884)		(614)	(2,345)	(2,023)
Stock-based compensation expense	(13)		(10)	(35)	(21)
Operating (loss) income	(116)		126	(612)	306
Total other expense, net	(697)		(298)	(1,595)	(417)
Loss before income taxes	(813)		(172)	(2,207)	(111)
Income tax (benefit) expense	(192)		(24)	(470)	29
Net loss	$	(621)	(148)	(1,737)	(140)

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Note 12—Commitments, Contingencies and Other Items

We are subject to various claims, legal proceedings, and other contingent liabilities, including the matters described below, which individually or in the aggregate could materially affect our financial condition, future results of operations, or cash flows.

We review our litigation accrual liabilities on a quarterly basis, but in accordance with applicable accounting guidelines only establish accrual liabilities when losses are deemed probable and reasonably estimable and only revise previously established accrual liabilities when warranted by changes in circumstances, in each case based on then-available information. As such, as of any given date we could have exposure to losses under proceedings as to which no liability has been accrued or as to which the accrued liability is inadequate. Subject to these limitations, at September 30, 2025 and December 31, 2024, we had accrued $124 million and $78 million, respectively, in the aggregate for our litigation and non-income tax contingencies, which is included in Other current liabilities or Other liabilities on our consolidated balance sheets as of such dates. Although we quantify our exposure for certain matters below, we cannot at this time estimate the reasonably possible loss or range of loss, if any, in excess of our $124 million accrual at September 30, 2025 due to the inherent uncertainties and speculative nature of contested proceedings. The establishment of an accrual does not mean that actual funds have been set aside to satisfy a given contingency. Thus, the resolution of a particular contingency for the amount accrued could have no effect on our results of operations but nonetheless could have an adverse effect on our cash flows.

In this Note, a reference to a "putative" class action means a class has been alleged, but not certified, in that matter.

Principal Proceedings

Houser Shareholder Suit

Lumen and certain of its current and former officers and directors were named as defendants in a putative shareholder class action lawsuit filed on June 12, 2018 in the Boulder County District Court of the state of Colorado, captioned Houser et al. v. CenturyLink, et al. The original complaint asserted claims on behalf of a putative class of former Level 3 Communications, Inc. ("Level 3") shareholders who became CenturyLink, Inc. shareholders as a result of our acquisition of Level 3. It alleged that the proxy statement provided to the Level 3 shareholders failed to disclose various material information, including information about strategic revenue, customer loss rates, and customer account issues, among other items. The original complaint sought damages, costs and fees, rescission, rescissory damages, and other equitable relief. In May 2020, the court dismissed the original complaint. The plaintiffs appealed that decision, and in March 2022, the appellate court affirmed the district court's order in part and reversed it in part. It then remanded the case to the district court for further proceedings. The plaintiffs filed an amended complaint asserting the same claims and prayer for relief, and we filed a motion to dismiss. The court granted our motion to dismiss in May 2023 and the plaintiffs appealed that dismissal. In August 2024, the appellate court set aside the trial court's dismissal. In October 2024, we filed a petition with the Colorado Supreme Court seeking a review of the appellate court's decision, and the petition for review was granted.

Lead-Sheathed Cable Litigation

Disclosure Litigation. On September 15, 2023, a purported shareholder of Lumen filed a putative class action complaint originally captioned Glauber, et al. v. Lumen Technologies (now captioned In re Lumen Technologies, Inc. Securities Litigation II, Case 3:23-cv-01290), in the U.S. District Court for the Western District of Louisiana. The complaint alleged that Lumen and certain of its current and former officers violated the federal securities laws by omitting or misstating material information related to Lumen’s responsibility for environmental degradation allegedly caused by the lead sheathing of certain telecommunications cables. The court appointed lead plaintiffs who filed an amended complaint, seeking money damages, attorneys’ fees and costs, and other relief. On March 31, 2025, the court granted Lumen's motion to dismiss plaintiffs' claims with prejudice. On April 30, 2025, the plaintiffs filed an appeal which is captioned McLemore v. Lumen Technologies, Case 25-30264, in the U.S. Court of Appeals for the Fifth Circuit.

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Derivative Litigation. On June 11, 2024, a purported shareholder of Lumen filed a shareholder derivative complaint on behalf of Lumen captioned Brown v. Johnson, et al., Case 3:24-cv-00798-TAD-KDM, in the U.S. District Court for the Western District of Louisiana. The complaint alleges claims for breach of fiduciary duty, violations of the federal securities laws, and other causes of action against current and former officers and directors of Lumen relating to placement or presence of lead-sheathed telecommunications cables. The complaint seeks damages, injunctive relief, and attorneys' fees. Substantially similar derivative cases have been filed as follows: (i) on August 9, 2024, Pourarian v. Johnson, et al., Case 3:24-cv-01071-TAD-KMM in the U.S. District Court for the Western District of Louisiana; (ii) on September 9, 2024, Capistrano v. Johnson, et al., Case 3:24-cv-01234-TAD-KMM in the U.S. District Court for the Western District of Louisiana; (iii) on September 16, 2024, Vogel v. Perry, et al., Case 2024-3360 in the 4th Judicial District Court for the Parish of Ouachita, State of Louisiana, subsequently removed on September 17, 2024 to the U.S. District Court for the Western District of Louisiana as Case 3:24-cv-01274-TAD-KMM; and (iv) on September 25, 2024, Murray v. Allen, et al., Case 3:24-cv-01320 in the U.S. District Court for the Western District of Louisiana. In April 2025, the court consolidated the Brown, Pourarian, Capistrano, and Murray actions and stayed the consolidated action pending further developments in In re Lumen Technologies, Inc. Securities Litigation II. In July 2025, the court similarly stayed the Vogel action.

Environmental Litigation

Parish of St. Mary. On July 9, 2024, a putative class action complaint was filed in the 16th Judicial District Court for the Parish of St. Mary, State of Louisiana, Case 138575, asserting claims on behalf of all parishes, municipalities, and citizens owning real properties in the State of Louisiana that have been affected by lead-sheathed telecommunications cables installed by AT&T and Lumen or their predecessors. The complaint seeks damages and injunctive relief under Louisiana state law. The case was removed to the United States District Court Western District of Louisiana Lafayette Division, Case 6:24-CV-01001-RRS-DJA. On December 6, 2024, the plaintiffs voluntarily dismissed the class action complaint without prejudice. On December 13, 2024, St. Mary’s Parish along with other parishes, municipalities, and two individuals served a notice of intent to file citizen suit under the Louisiana Environmental Quality Act, asserting claims identical to the class action which the plaintiffs voluntarily dismissed. In April 2025, the Village of Parks (one of the municipalities which had served a notice of intent to file a citizen suit) served Lumen with a petition in an action captioned Village of Parks v. Lumen Technologies, Inc., Case 95026, in the 16th Judicial District Court for the Parish of St. Martin, State of Louisiana. The Village of Parks petition seeks damages and injunctive relief under Louisiana state law relating to the above-described allegations about lead-sheathed telecommunications cables.

Blum. On November 6, 2023, a putative class action complaint was filed in the 16th Judicial District Court for the Parish of St. Mary, State of Louisiana, Case 137935, asserting claims on behalf of all citizens owning real properties in the State of Louisiana that have been affected by lead-sheathed telecommunications cables installed by AT&T, BellSouth, Verizon, and Lumen or their predecessors. The complaint seeks damages and injunctive relief under Louisiana state law. The case has been removed to Federal Court in the United States District Court Western District of Louisiana Lafayette Division, Case 6:23-CV-01748. In December 2024, the plaintiffs filed an amended complaint and a motion for remand. In September 2025, the motion to remand was denied.

State Tax Suits

Since 2012, a number of Missouri municipalities have asserted claims in the Circuit Court of St. Louis County, Missouri, alleging that we and several of our subsidiaries have underpaid taxes. These municipalities are seeking, among other things, declaratory relief regarding the application of business license and gross receipts taxes and back taxes from 2007 to the present, plus penalties and interest. In a February 2017 ruling in connection with one of these pending cases, the court entered an order awarding the plaintiffs $4 million and broadening the tax base on a going-forward basis. We appealed that decision to the Missouri Supreme Court. In December 2019, it affirmed the circuit court's order in some respects and reversed it in others, remanding the case to the circuit court for further proceedings. The Missouri Supreme Court's decision reduced our exposure in the case. In a June 2021 ruling in one of the pending cases, another trial court awarded the cities of Columbia and Joplin approximately $55 million, plus statutory interest. On appeal, the Missouri Court of Appeals affirmed in part and reversed in part, vacated the judgment and remanded the case to the trial court with instructions for further proceedings consistent with the Missouri Supreme Court's decision. In July 2025, a settlement was reached with the cities of Columbia and Joplin.

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FCRA Litigation

In November 2014, a putative class action complaint captioned Bultemeyer v. CenturyLink, Inc. was filed in the United States District Court for the District of Arizona, Case CV-14-02530-PHX-SPL, alleging violations of the Fair Credit Reporting Act (the "FCRA"). In February 2017, the case was dismissed for lack of standing. The plaintiff appealed and the Ninth Circuit reversed and remanded. Class certification was contested and ultimately granted in 2023. The Ninth Circuit denied Lumen’s request to appeal the class certification ruling. A jury trial was conducted in September 2024. The jury found that CenturyLink willfully violated the FCRA and awarded each class member $500 for statutory damages and $2,000 for punitive damages. The district court denied Lumen’s post-trial motions for relief, and on October 16, 2024, Lumen filed an appeal which is captioned Bultemeyer v. CenturyLink, Inc., Case 24-6413, in the U.S. Court of Appeals for the Ninth Circuit. We have not accrued a contingent liability for this matter. While liability is possible, we have not determined it to be probable, and damages exposure, if any, is uncertain.

December 2018 Outage Proceedings

We experienced an outage on one of our transport networks that impacted voice, IP, 911, and transport services for some of our customers between the 27th and 29th of December 2018. We believe that the outage was caused by a faulty network management card from a third-party equipment vendor.

The FCC and four states initiated formal investigations. In November 2020, following the FCC's release of a public report on the outage, we negotiated a settlement which was disclosed by the FCC in December 2020. The amount of the settlement was not material to our financial statements.

In December 2020, the Staff of the Washington Utilities and Transportation Commission ("WUTC") filed a complaint against us based on the December 2018 outage, seeking penalties of approximately $7 million for alleged violations of Washington regulations and laws. The Washington Attorney General's office sought penalties of $27 million. Following trial, the WUTC issued an order imposing a penalty of approximately $1 million. On April 15, 2024, we appealed that decision to the Washington State Court of Appeals. In August 2025, the Court of Appeals denied the appeal. In September 2025, we filed a petition for review with the Washington State Supreme Court.

Latin American Tax Litigation and Claims

In connection with the 2022 divestiture of our Latin American business, the purchaser assumed responsibility for the Brazilian tax claims described in our prior periodic reports filed with the SEC. We agreed to indemnify the purchaser for amounts paid with respect to the Brazilian tax claims. The value of this indemnification and others associated with the Latin American business divestiture are included in the indemnification amount disclosed in Note 10—Fair Value of Financial Instruments. In addition, there remain other pending proceedings in Brazil, Peru, and other Latin America countries, that, if upheld, could result in a reasonably possible loss of up to approximately $81 million in excess of the amount accrued as of September 30, 2025.

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Huawei Network Deployment Investigations

Lumen has received requests from the following federal agencies for information relating to the use of equipment manufactured by Huawei Technologies Company ("Huawei") in Lumen’s networks.

•DOJ. Lumen has received a civil investigative demand from the U.S. Department of Justice in the course of a False Claims Act investigation alleging that Lumen Technologies, Inc. and Lumen Technologies Government Solutions, Inc. failed to comply with certain specified requirements in federal contracts concerning their use of Huawei equipment. 

•FCC. The FCC’s Enforcement Bureau issued a Letter of Inquiry to Lumen Technologies, Inc. regarding its written certifications to the FCC that Lumen has complied with FCC rules governing the use of resources derived from the High Cost Program, Lifeline Program, Rural Health Care Program, E-Rate Program, Emergency Broadband Benefit Program, and the Affordable Connectivity Program. Under these programs, federal funds may not be used to facilitate the deployment or maintenance of equipment or services provided by Huawei, a company the FCC has determined poses a national security threat to the integrity of U.S. communications networks or the communications supply chain.

•Team Telecom. The Committee for the Assessment of Foreign Participation in the United States Telecommunications Service Sector (comprised of the U.S. Attorney General, and the Secretaries of the Department of Homeland Security, and the Department of Defense), commonly referred to as Team Telecom, issued questions and requests for information relating to Lumen’s FCC licenses and its use of Huawei equipment.

Marshall Fire Litigation

On December 30, 2021, a wildfire referred to as the Marshall Fire ignited near Boulder, Colorado. The Marshall Fire killed two people, and it burned thousands of acres, including entire neighborhoods. Approximately 300 lawsuits seeking substantial monetary relief have been filed naming as defendants our affiliate Qwest Corporation, an additional telecommunications company, and certain power companies. The complaints involving Qwest have been consolidated with Kupfner et al., v. Public Service Company of Colorado, et al., Case 2022-cv-30195 pending in Colorado District Court, Boulder, Colorado. In September 2025, the court vacated the trial date because the defendants reached agreements in principle to settle with virtually all of the plaintiffs, subject to final documentation. The court set a status conference for November 5, 2025.

Minnesota State Income Tax Audit

In May 2025, the Minnesota Department of Revenue issued an order (the "Order") denying the Company's petition for a separate allocation or separate apportionment of the taxable gain resulting from the 2022 divestiture of a portion of our incumbent local exchange carrier ("ILEC") business and making other minor adjustments. The Order seeks to assess additional income tax, penalties, and interest for the 2021 and 2022 tax years. On August 4, 2025, Lumen filed an appeal of the Order disputing this assessment, which is captioned Lumen Technologies, Inc. v. Commissioner of Revenue, Docket No. 9744-R., in the Minnesota Tax Court. The Company previously established an uncertain tax position for this item and believes that it is adequately reserved.

Other Proceedings, Disputes and Contingencies

From time to time, we are involved in other proceedings incidental to our business, including patent infringement allegations, regulatory hearings relating primarily to our rates or services, actions relating to employee claims, tax issues, or environmental law issues, grievance hearings before labor regulatory agencies, miscellaneous third-party tort actions, or commercial disputes.

We are currently defending several patent infringement lawsuits asserted against us by non-practicing entities which are seeking substantial recoveries. These cases have progressed to various stages and one or more may go to trial within the next 12 months if they are not otherwise resolved. Where applicable, we are seeking full or partial indemnification from our vendors and suppliers.

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We are subject to various foreign, federal, state, and local environmental protection and health and safety laws. From time to time, we are subject to judicial and administrative proceedings brought by various governmental authorities under these laws. Several such proceedings are currently pending, but none is reasonably expected to exceed $300,000 in fines and penalties. In addition, in the past we acquired companies that had installed lead-sheathed cables several decades earlier, or had operated certain manufacturing companies in the first part of the 1900s. Under applicable environmental laws, we could be named as a potentially responsible party for a share of the remediation of environmental conditions arising from the historical operations of our predecessors.

The outcomes of these other proceedings described under this heading are not predictable. However, based on current circumstances, we do not believe that the ultimate resolution of these other proceedings, after considering available defenses and any insurance coverage or indemnification rights, will have a material adverse effect on us.

The matters listed in this Note do not reflect all our contingencies. For additional information on our contingencies, see Note 18—Commitments, Contingencies and Other Items to the consolidated financial statements and accompanying notes in Part II, Item 8 of our Annual Report on Form 10-K for the year ended December 31, 2024. The ultimate outcome of the above-described matters may differ materially from the outcomes anticipated, estimated, projected or implied by us in certain of our statements appearing above in this Note, and proceedings we currently consider insignificant may ultimately affect us materially.

Note 13—Other Financial Information

Other Current Assets, net

The following table presents details of other current assets, net reflected on our consolidated balance sheets:


	September 30, 2025		December 31, 2024
	(Dollars in millions)
Prepaid expenses	$	370	372
Income tax receivable	444		483
Materials, supplies and inventory	163		146
Contract assets	14		16
Contract acquisition costs	106		102
Contract fulfillment costs	128		109
Other	31		22
Total other current assets, net(1)	$	1,256	1,250

______________________________________________________________________

(1) As of September 30, 2025, this amount excludes $16 million of other current assets associated with the disposal group classified as held for sale.

Current Liabilities

Included in accounts payable at September 30, 2025 and December 31, 2024 were $289 million and $248 million, respectively, associated with capital expenditures.

Other Income, Net

Other income, net reflects certain items not directly related to our core operations, including gains and losses from non-operating asset dispositions. For the nine months ended September 30, 2024, Other income, net included a gain on sale of investment of $205 million.

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Note 14—Accumulated Other Comprehensive Loss

Information Relating to 2025

The table below summarizes changes in accumulated other comprehensive loss recorded on our consolidated balance sheet by component for the nine months ended September 30, 2025:


	Pension Plans		Post-Retirement Benefit Plans	Foreign Currency Translation Adjustment and Other	Total
	(Dollars in millions)
Balance at December 31, 2024	$	(1,003)	320	(40)	(723)
Other comprehensive income (loss) before reclassifications	—		—	14	14
Amounts reclassified from accumulated other comprehensive loss	81		(19)	—	62
Net current-period other comprehensive income (loss)	81		(19)	14	76
Balance at September 30, 2025	$	(922)	301	(26)	(647)

The tables below present further information about our reclassifications out of accumulated other comprehensive loss by component for the three and nine months ended September 30, 2025:

Three Months Ended September 30, 2025

Decrease (Increase)
in Net Income

Affected Line Item in Consolidated Statement of Operations

(Dollars in millions)

Amortization of pension & post-retirement plans(1)

Net actuarial loss

Other income, net

Prior service credit

(3)

Other income, net

Total before tax

Income tax benefit

(6)

Income tax (benefit) expense

Net of tax

Nine Months Ended September 30, 2025

Decrease (Increase)
in Net Income

Affected Line Item in Consolidated Statement of Operations

(Dollars in millions)

Amortization of pension & post-retirement plans(1)

Net actuarial loss

Other income, net

Prior service credit

(7)

Other income, net

Total before tax

Income tax benefit

(20)

Income tax (benefit) expense

Net of tax

________________________________________________________________________

(1)See Note 8—Employee Benefits for additional information on our net periodic benefit expense related to our pension and post-retirement plans.

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Information Relating to 2024

The table below summarizes changes in accumulated other comprehensive loss recorded on our consolidated balance sheets by component for the nine months ended September 30, 2024:


	Pension Plans		Post-Retirement Benefit Plans	Foreign Currency Translation Adjustment and Other	Total
	(Dollars in millions)
Balance at December 31, 2023	$	(1,045)	276	(41)	(810)

Amounts reclassified from accumulated other comprehensive loss	57		(13)	—	44
Net current-period other comprehensive income (loss)	57		(13)	—	44
Balance at September 30, 2024	$	(988)	263	(41)	(766)

The tables below present further information about our reclassifications out of accumulated other comprehensive loss by component for the three and nine months ended September 30, 2024:

Three Months Ended September 30, 2024

Decrease (Increase)
in Net Income

Affected Line Item in Consolidated Statement of Operations

(Dollars in millions)

Amortization of pension & post-retirement plans(1)

Net actuarial loss

Other income, net

Prior service credit

(4)

Other income, net

Total before tax

Income tax benefit

(5)

Income tax (benefit) expense

Net of tax

Nine Months Ended September 30, 2024

Decrease (Increase)
in Net Income

Affected Line Item in Consolidated Statement of Operations

(Dollars in millions)

Amortization of pension & post-retirement plans(1)

Net actuarial loss

Other income, net

Prior service credit

(11)

Other income, net

Total before tax

Income tax benefit

(14)

Income tax (benefit) expense

Net of tax

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(1)See Note 8—Employee Benefits for additional information on our net periodic benefit expense related to our pension and post-retirement plans.

Note 15—Labor Union Contracts

As of September 30, 2025, approximately 19% of our employees were represented by the Communications Workers of America (CWA) or the International Brotherhood of Electrical Workers (IBEW). Approximately 6% of our represented employees are subject to collective bargaining agreements that are scheduled to expire over the 12-month period ending September 30, 2026.

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ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

All references to "Notes" in this Item 2 of Part I refer to the Notes to Consolidated Financial Statements included in Item 1 of Part I of this report. Certain statements in this report constitute forward-looking statements. See "Special Note Regarding Forward-Looking Statements" immediately prior to Item 1 of Part I of this report for factors relating to these statements and "Risk Factors" in Item 1A of Part II of this report and in Item 1A of Part I of our Annual Report on Form 10-K for the year ended December 31, 2024 or other of our filings with the SEC for a discussion of certain risk factors applicable to our business, financial condition, results of operations, liquidity, or prospects.

Overview

Management's Discussion and Analysis of Financial Condition and Results of Operations ("MD&A") included herein should be read in conjunction with the information included in our Annual Report on Form 10-K for the year ended December 31, 2024 and with the consolidated financial statements and related notes in Item 1 of Part I of this report. The results of operations and cash flows for the first nine months of the year are not necessarily indicative of the results of operations and cash flows that might be expected for the entire year.

We are a leading digital networking services company, empowering enterprise businesses to fuel growth in a multi-cloud, AI-first marketplace by connecting people, data, and applications quickly, securely, and effortlessly. We are unleashing the world's digital potential by providing a broad array of integrated products and services to our domestic and global Business customers and our domestic Mass Markets customers. We operate one of the world's most interconnected communications networks. Our platform empowers our customers to swiftly adjust digital programs to meet immediate demands, create efficiencies, accelerate market access, and reduce costs, which allows our customers to rapidly evolve their IT programs to address dynamic changes. We are among the largest providers of communications services to domestic and global enterprise customers. Our long-haul network throughout North America and Asia Pacific connects to metropolitan fiber networks that we operate. As of September 30, 2025, we had approximately 24,000 employees.

Planned Divestiture of the Mass Markets Fiber-to-the-Home Business

On May 21, 2025, we entered into a definitive agreement to sell our Mass Markets fiber-to-the-home business (including approximately 95% of Quantum Fiber) in 11 states to AT&T for a pre-tax total of $5.75 billion in cash, subject to working capital and other various purchase price adjustments. We expect to close this transaction in early 2026, although we can provide no assurance to this effect. The actual amount of our net after-tax proceeds from this divestiture could vary from the amounts we currently estimate. The sales of fiber assets to AT&T will not result in Lumen fully exiting its fiber business in any state. For additional information, see Note 2—Planned Divestiture of the Mass Markets Fiber-to-the-Home Business.

Macroeconomic Changes

Over the past few years, macroeconomic changes have impacted us and our customers in several ways.

We believe macroeconomic changes over the past few years have resulted in (i) increases in certain revenue streams and decreases in others, (ii) operational challenges resulting from inflation and shortages of certain components and other supplies that we use in our business, (iii) delays in our cost transformation initiatives, and (iv) delayed decision-making by certain of our customers. We do not believe these effects, individually or in the aggregate, have to date materially impacted our financial performance or financial position.

Industry developments over the past few years have increased fiber construction demand from customers. The resulting increase in construction labor rates continue to increase the cost of enabling units to be capable of receiving our Quantum Fiber broadband services. We believe these factors also occasionally contributed to a delay in attaining our Quantum Fiber buildout targets.

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Continued business and geopolitical uncertainty, new tariffs, supply constraints, or inflationary pressures could materially impact our financial results in a variety of ways, including by increasing our expenses, decreasing our revenues, further delaying our network expansion plans, further delaying customer decision-making, or otherwise interfering with our ability to deliver products and services.

To the extent these above-mentioned macroeconomic pressures continue, we could experience additional deterioration in our projected cash flows or market capitalization.

Reporting Segments

Our reporting segments are currently organized by customer focus, as follows:

•Business Segment: Under our Business segment, we provide our products and services under the following five sales channels:

◦Large Enterprise: Under our large enterprise sales channel, we provide our products and services to large enterprise customers and carriers in North America.

◦Mid-Market Enterprise: Under our mid-market enterprise sales channel, we provide our products and services directly to medium-sized enterprises in North America, as well as through our indirect channel partners.

◦Public Sector: Under our public sector sales channel, we provide our products and services to the public sector, including the U.S. Federal government, state and local governments and research and education institutions.

◦Wholesale: Under our wholesale sales channel, we provide our products and services to a wide range of other communication companies providing wireline, wireless, cable, voice and data center services.

◦International and Other: Under our international and other sales channel, we provide (i) various products and services to multinational and global enterprise customers and carriers and (ii) services under the limited number of our remaining content delivery network ("CDN") contracts.

•Mass Markets Segment: Under our Mass Markets segment, we provide products and services to domestic residential and small business customers. At September 30, 2025, we served 2.4 million broadband subscribers under our Mass Markets segment.

See Note 11—Segment Information to our consolidated financial statements in Item 1 of Part I of this report for additional information.

We categorize our Business segment revenue among the following products and services categories:

•Nurture, which includes our more mature offerings, including ethernet, and VPN data networks services;

•Harvest, which includes our legacy services managed for cash flow, including Time Division Multiplexing voice and private line services; and

•Other, which includes equipment sales, managed and professional service solutions, and other services.

We categorize our Mass Markets products and services revenue among the following categories:

•Fiber Broadband, under which we provide high speed broadband services to residential and small business customers utilizing our fiber-based network infrastructure;

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•Other Broadband, under which we provide primarily lower speed broadband services to residential and small business customers utilizing our copper-based network infrastructure; and

From time to time, we may change the categorization of our products and services.

Trends Impacting Our Operations

In addition to the above-described impact of macroeconomic and industry pressures, our consolidated operations have been, and will continue to be, impacted by the following trends:

•Customers’ demand for automated products and services and competitive pressures will require that we continue to invest in new technologies and automated processes to improve our customers' experience and reduce our operating expenses.

•The increased use of multi-cloud storage, digital applications, video streaming, gaming, robotics, quantum computing, and artificial intelligence has substantially increased demand for robust, scalable network services. We are continuing to enhance our product and service offerings and taking other steps to enable customers to have access to greater bandwidth and capacity.

•Businesses continue to adopt distributed, global operating models. We are expanding and enhancing our fiber network, connecting more buildings to our network to generate revenue opportunities and reducing our reliance upon other carriers.

•Changes in customer preferences and in the regulatory, technological, and competitive environment are (i) significantly reducing demand for our more mature service offerings, commoditizing certain offerings, or resulting in volume or rate reductions for other offerings and (ii) creating certain opportunities for us arising out of increased demand for advanced networking services and high-speed, low-latency secure data transmissions.

•The operating margins of some of our newer, more technologically advanced services, some of which may connect to customers through other carriers, are lower than the operating margins on our traditional, on-net wireline services.

•Uncertainties regarding our financial performance and overall leverage have caused, and may continue to cause, certain customers and other third parties to avoid transacting business with us.

•Our expenses will be impacted by higher vendor costs, reduced economies of scale, and other dis-synergies due to our 2022 and 2023 divestitures, our pending divestiture (upon its completion), and any future divestitures.

•Declines in our traditional wireline services and other more mature offerings have necessitated continuous right-sizing of our cost structure to remain competitive.

•We have historically generated revenue by entering into transactions that utilize excess conduit, fiber, or other assets on our network to create custom networks for our customers, including through our Private Connectivity FabricSM solutions. We plan to continue to actively pursue additional revenue-generating opportunities with respect to these assets through right-of-use agreements, leases, or other agreements. We may or may not consummate such transactions from time to time, and the revenue from, and obligations associated with, any such opportunities may be significant, either individually or in the aggregate. The completion of any future transactions may be subject to customary conditions, and may not be executed in a timely manner, or at all.

These and other developments and trends impacting our operations are discussed elsewhere in this Item 2.

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Results of Operations

In this section, we discuss our overall results of operations and highlight special items that are not included in our segment results. In "Segment Results" we review the performance of our two reporting segments in more detail.

The following table summarizes the results of our consolidated operations for the three and nine months ended September 30, 2025 and September 30, 2024:


	Three Months Ended September 30,			Nine Months Ended September 30,
	2025		2024	2025	2024
	(Dollars in millions, except per share amounts)
Operating revenue	$	3,087	3,221	9,361	9,779
Operating expenses	3,203		3,095	9,973	9,473
Operating (loss) income	(116)		126	(612)	306
Total other expense, net	(697)		(298)	(1,595)	(417)
Loss before income taxes	(813)		(172)	(2,207)	(111)
Income tax (benefit) expense	(192)		(24)	(470)	29
Net loss	(621)		(148)	(1,737)	(140)
Basic loss per common share	$	(0.62)	(0.15)	(1.75)	(0.14)
Diluted loss per common share	$	(0.62)	(0.15)	(1.75)	(0.14)

Our over-arching strategic goal is to digitally connect people, data, and applications quickly, securely, and effortlessly. As the trusted network for AI, Lumen uses the scale of our network to help companies realize AI's full potential. To attain these goals, we strive to, among other things:

•deliver best in class infrastructure to meet network, transport, data, and computing needs;

•optimize and innovate the way locations, data centers, and clouds connect;

•limit, detect, and mitigate network and data security vulnerabilities;

•expand our product offerings and strengthen our digital self-service ordering platforms;

•create a more adaptive and integrated network;

•continue to monetize our network-related assets;

•expand our network capacity through our AI backbone initiative;

•execute on our Quantum Fiber buildout plan;

•manage our non-core business for cash flow; and

•reduce our costs and strengthen our financial position and performance through our modernization and simplification initiatives, as well as reduce our overall leverage.

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Revenue

The following table summarizes our consolidated operating revenue recorded under each of our two segments and in our five revenue sales channels within the Business segment described above:


	Three Months Ended September 30,			% Change		Nine Months Ended September 30,		% Change
	2025		2024			2025	2024
	(Dollars in millions)					(Dollars in millions)
Business Segment:
Large Enterprise	$	752	761	(1)	%	2,221	2,275	(2)	%
Mid-Market Enterprise	488		542	(10)	%	1,501	1,681	(11)	%
Public Sector	478		430	11	%	1,447	1,300	11	%
Wholesale	658		712	(8)	%	2,053	2,169	(5)	%
International and Other	80		92	(13)	%	248	281	(12)	%
Business Segment Revenue	2,456		2,537	(3)	%	7,470	7,706	(3)	%
Mass Markets Segment Revenue	631		684	(8)	%	1,891	2,073	(9)	%
Total consolidated operating revenue	$	3,087	3,221	(4)	%	9,361	9,779	(4)	%

Consolidated operating revenue decreased by $134 million and $418 million for the three and nine months ended September 30, 2025, as compared to the three and nine months ended September 30, 2024. See our segment results below for information on the drivers of our revenue.

Operating Expenses

The following table summarizes our operating expenses for the three and nine months ended September 30, 2025 and 2024:


	Three Months Ended September 30,			% Change		Nine Months Ended September 30,		% Change
	2025		2024			2025	2024
	(Dollars in millions)					(Dollars in millions)
Cost of services and products (exclusive of depreciation and amortization)	$	1,700	1,692	—	%	5,011	4,997	—	%
Selling, general and administrative	829		696	19	%	2,259	2,261	—	%
Net loss on sale of business	—		—	nm		—	17	nm
Depreciation and amortization	674		707	(5)	%	2,075	2,198	(6)	%
Goodwill impairment	—		—	nm		628	—	nm
Total operating expenses	$	3,203	3,095	3	%	9,973	9,473	5	%

_______________________________________________________________________________

nm Percentages greater than 200% and comparisons between positive and negative values or to/from zero values are considered not meaningful.

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Cost of Services and Products (exclusive of depreciation and amortization)

Cost of services and products (exclusive of depreciation and amortization) increased by $8 million and $14 million, respectively, for the three and nine months ended September 30, 2025, as compared to the three and nine months ended September 30, 2024. For the three months ended September 30, 2025 compared to the three months ended September 30, 2024, the increase was primarily due to an increase of $41 million in employee-related expenses, partially offset by a decrease of $20 million related to equipment and maintenance expense and a decrease of $18 million in network expenses. For the nine months ended September 30, 2025 compared to the nine months ended September 30, 2024, the increase was primarily due to (i) an increase of $50 million in network expenses, (ii) an increase of $28 million in employee-related expenses, and (iii) an increase of $12 million in real estate and power expense. These increases were partially offset by a decrease of $74 million related to equipment and maintenance expense.

Selling, General and Administrative

Selling, general and administrative expenses increased by $133 million and decreased by $2 million for the three and nine months ended September 30, 2025, respectively, as compared to the three and nine months ended September 30, 2024. For the three months ended September 30, 2025 compared to the three months ended September 30, 2024, the increase was primarily due to (i) an increase of $120 million in professional fees and legal expenses and (ii) an increase of $37 million in employee-related expenses, partially offset by a decrease of $14 million in insurance and other fees. For the nine months ended September 30, 2025 compared to the nine months ended September 30, 2024, the decrease was primarily due to (i) a decrease of $55 million employee-related expenses, (ii) a decrease of $25 million in insurance and other fees and (iii) a decline of $11 million in professional fees and legal expenses mainly driven by our debt transaction in the first quarter of 2024 with no comparably-sized transaction in the first nine months of 2025, partially offset by increased professional fees associated with our transformation initiatives and other legal fees incurred in 2025. This decrease was offset by (i) $61 million related to a loss on the sale of operating assets in the first half of 2025 and recognition in the first quarter of 2024 of a deferred gain on the sale of select CDN contracts and (ii) by an increase of $49 million due to fees related to the voluntary relinquishment of our funding received under the FCC's Rural Digital Opportunity Fund (“RDOF”).

Net Loss on Sale of Business

For a discussion of the net loss on sale of business that we recognized during the nine months ended September 30, 2024, see Note 2—Divestitures of the Latin American, ILEC and EMEA Businesses to our consolidated financial statements in Item 8 of Part II of our Annual Report Form 10-K for the year ended December 31, 2024.

Depreciation and Amortization

The following table details our depreciation and amortization expense:


	Three Months Ended September 30,			% Change		Nine Months Ended September 30,		% Change
	2025		2024			2025	2024
	(Dollars in millions)					(Dollars in millions)
Depreciation	$	423	454	(7)	%	1,324	1,396	(5)	%
Amortization	251		253	(1)	%	751	802	(6)	%
Total depreciation and amortization	$	674	707	(5)	%	2,075	2,198	(6)	%

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Depreciation expense decreased by $31 million and $72 million for the three and nine months ended September 30, 2025, respectively, as compared to the three and nine months ended September 30, 2024. These decreases were primarily due to (i) a decrease of $40 million and $62 million for the three and nine months ended September 30, 2025, respectively, as compared to the three and nine months ended September 30, 2024, due to the discontinuation during the second quarter of 2025 of the depreciation of the tangible assets of our Mass Markets fiber-to-the-home business held for sale, (ii) a decrease of $18 million from accelerated depreciation of CDN assets in 2024 for the nine months ended September 30, 2025 as compared to the nine months ended September 30, 2024, and (iii) a decrease of $8 million for the nine months ended September 30, 2025, as compared to the nine months ended September 30, 2024, due to decommissioned assets. These decreases were partially offset by an increase of $8 million and $17 million, respectively, associated with the net increase in depreciable assets.

Amortization expense decreased by $2 million and $51 million for the three and nine months ended September 30, 2025, as compared to the three and nine months ended September 30, 2024. These decreases were due principally to a $1 million and $23 million decrease, respectively, associated with net reductions in amortizable assets and a $8 million and $34 million decrease, respectively, associated with the accelerated amortization of software assets.

Further analysis of our segment operating expenses by segment is provided below in "Segment Results."

Goodwill Impairment

We are required to perform impairment tests related to our goodwill annually, which we perform as of October 31, or sooner if an indicator of impairment occurs. The classification of our Mass Markets fiber-to-the-home business as held for sale, as described in Note 2—Planned Divestiture of the Mass Markets Fiber-to-the-Home Business was considered an event or change in circumstance which required an assessment of our goodwill for impairment as of April 30, 2025.

We report under two segments: Business and Mass Markets. As of September 30, 2025, we had three reporting units for goodwill impairment testing, which are (i) Mass Markets, (ii) North America Business ("NA Business") and (iii) Asia Pacific ("APAC") region.

When we performed our impairment tests during the second quarter of 2025, we concluded that the estimated fair value of our Mass Markets reporting unit was less than our carrying value of equity for this unit as of our testing date. As a result, we recorded non-cash, non-tax-deductible goodwill impairment charges aggregating to $628 million in the second quarter of 2025.

See Note 3—Goodwill, Customer Relationships and Other Intangible Assets to our consolidated financial statements in Item 1 of Part I of this report for further details.

Other Consolidated Results

The following table summarizes our total other (expense) income, net and income tax (benefit) expense:


	Three Months Ended September 30,			% Change		Nine Months Ended September 30,		% Change
	2025		2024			2025	2024
	(Dollars in millions)					(Dollars in millions)
Interest expense	$	(319)	(351)	(9)	%	(1,004)	(1,015)	(1)	%
Net (loss) gain on early retirement of debt	(395)		(1)	nm		(666)	277	nm
Other income, net	17		54	(69)	%	75	321	(77)	%
Total other expense, net	$	(697)	(298)	134	%	(1,595)	(417)	nm
Income tax (benefit) expense	$	(192)	(24)	nm		(470)	29	nm

_______________________________________________________________________________

nm Percentages greater than 200% and comparisons between positive and negative values or to/from zero values are considered not meaningful.

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Interest Expense

Interest expense decreased by $32 million and $11 million for the three and nine months ended September 30, 2025, respectively, as compared to the three and nine months ended September 30, 2024. The decrease for the three months ended September 30, 2025, as compared to the three months ended September 30, 2024, was due to the decrease in the average interest rate from 7.85% to 6.80% and a decrease of approximately $1 billion in average outstanding long-term debt for the period. The decrease for the nine months ended September 30, 2025, as compared to the nine months ended September 30, 2024, was due to a decrease of approximately $1 billion in average outstanding long-term debt for the period, which was partially offset by an increase in the average interest rate from 7.09% to 7.16% for the period.

Net (Loss) Gain on Early Retirement of Debt

For a discussion of certain transactions that resulted in the net loss on debt we recognized for the three and nine months ended September 30, 2025, see Note 5—Long-Term Debt and Credit Facilities. See Note 7—Long-Term Debt and Credit Facilities to our consolidated financial statements in Item 8 of Part II of our Annual Report Form 10-K for the year ended December 31, 2024 for discussion of the 2024 transactions that resulted in the net gain on debt recognized for the nine months ended September 30, 2024.

Other Income, Net

Other income, net reflects certain items not directly related to our core operations, including (i) components of net periodic pension and post-retirement benefit costs, (ii) foreign currency gains and losses, (iii) our share of income from partnerships we do not control, (iv) interest income from cash and cash equivalents, (v) gains and losses from non-operating asset dispositions, (vi) income from transition and separation services provided by us to the purchasers of our divested businesses, and (vii) other non-core items.


	Three Months Ended September 30,			Nine Months Ended September 30,
	2025		2024	2025	2024
	(Dollars in millions)
Pension and post-retirement net periodic expense	$	(46)	(38)	(138)	(114)
Foreign currency (loss) gain	(5)		11	8	(3)
Gain on sale of investment	—		—	—	205
Loss on investment in limited partnership	—		(7)	—	(10)
Transition and separation services	37		37	114	107
Interest income	18		18	59	90
Other	13		33	32	46
Total other income, net	$	17	54	75	321

Income Tax Expense

For the three and nine months ended September 30, 2025, our effective income tax rate was 23.6% and 21.3%, respectively. The nine months ended September 30, 2025 includes a $42 million unfavorable impact from our goodwill impairment. For the three and nine months ended September 30, 2024, our effective income tax rate was 14.0% and (26.1)%, respectively, including an unfavorable impact of interest on our uncertain tax position reserves.

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Segment Results

General

Reconciliation of segment revenue to total operating revenue is below:


	Three Months Ended September 30,			Nine Months Ended September 30,
	2025		2024	2025	2024
	(Dollars in millions)
Operating revenue
Business	$	2,456	2,537	7,470	7,706
Mass Markets	631		684	1,891	2,073
Total operating revenue	$	3,087	3,221	9,361	9,779

For additional information on our reportable segments and product and services categories, see Note 4—Revenue Recognition and Note 11—Segment Information to our consolidated financial statements in Item 1 of Part I of this report.

Business Segment


	Three Months Ended September 30,			% Change		Nine Months Ended September 30,		% Change
	2025		2024			2025	2024
	(Dollars in millions)					(Dollars in millions)
Business Segment Product Categories:
Grow	$	1,160	1,077	8	%	3,423	3,199	7	%
Nurture	611		729	(16)	%	1,911	2,255	(15)	%
Harvest	497		550	(10)	%	1,585	1,700	(7)	%
Other	188		181	4	%	551	552	(—)	%
Total segment revenue	2,456		2,537	(3)	%	7,470	7,706	(3)	%
Expenses:
Total segment expense	1,348		1,437	(6)	%	4,044	4,274	(5)	%
Total segment adjusted EBITDA	$	1,108	1,100	1	%	3,426	3,432	(—)	%

Three and nine months ended September 30, 2025 compared to the three and nine months ended September 30, 2024

Business segment revenue decreased $81 million and $236 million, respectively, for the three and nine months ended September 30, 2025, as compared to the comparable periods ended September 30, 2024. Within each product category for the three and nine months ended September 30, 2025 as compared to the comparable periods ended September 30, 2024:

•Grow increased by $83 million and $224 million, respectively, primarily due to an increase of revenue from dark fiber and conduit of $49 million and $137 million and growth in IP services of $20 million and $56 million, respectively;

•Nurture decreased by $118 million and $344 million, respectively, primarily due to declines in traditional VPN services of $85 million and $264 million and declines in Ethernet services of $30 million and $82 million, respectively;

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•Harvest decreased by $53 million and $115 million, respectively, primarily due to a $44 million and $125 million decline in legacy voice services and a $12 million and $41 million decline in other legacy products and services, respectively, partially offset by an increase in private line revenue of $6 million and $64 million attributable primarily to temporary rate increases; and

•Other increased by $7 million and decreased by $1 million, respectively, primarily due to an increase in equipment sales revenue of approximately $15 million and $7 million, respectively.

Business segment expense decreased by $89 million and $230 million for the three and nine months ended September 30, 2025, respectively, as compared to the three and nine months ended September 30, 2024, primarily driven by a decrease of $75 million and $145 million, respectively, in overall network expense and a decrease of $6 million and $74 million, respectively, in employee-related costs due to lower headcount.

Business segment adjusted EBITDA as a percentage of segment revenue was 45% and 46% for the three and nine months ended September 30, 2025 and 43% and 45% for the three and nine months ended September 30, 2024.

Mass Markets Segment


	Three Months Ended September 30,			% Change		Nine Months Ended September 30,		% Change
	2025		2024			2025	2024
	(Dollars in millions)					(Dollars in millions)
Mass Markets Product Categories:
Fiber Broadband	$	225	190	18	%	651	541	20	%
Other Broadband	230		283	(19)	%	732	896	(18)	%
Voice and Other	176		211	(17)	%	508	636	(20)	%
Total segment revenue	631		684	(8)	%	1,891	2,073	(9)	%
Expenses:
Total segment expense	284		327	(13)	%	846	957	(12)	%
Total segment adjusted EBITDA	$	347	357	(3)	%	1,045	1,116	(6)	%

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Three and nine months ended September 30, 2025 compared to the three and nine months ended September 30, 2024

Mass Markets segment revenue decreased $53 million and $182 million for the three and nine months ended September 30, 2025, respectively, as compared to the three and nine months ended September 30, 2024. More specifically, within each product category:

•Fiber Broadband revenue increased $35 million and $110 million, respectively, primarily driven by growth in the number of fiber customers associated with our continued increase in enabled locations from our Quantum Fiber buildout;

•Other Broadband revenue decreased $53 million and $164 million, respectively, primarily due to fewer customers for our lower speed copper-based broadband services; and

•Voice and Other decreased $35 million and $128 million, respectively, principally due to the continued loss of copper-based voice customers and a decrease of $46 million due to the voluntary relinquishment of our funding received under the FCC's RDOF in the second quarter of 2025. See the "Liquidity and Capital Resources—Federal Broadband Support Programs" in Item 2 of Part I below for more information.

Mass Markets segment expense decreased $43 million and $111 million for the three and nine months ended September 30, 2025, respectively, as compared to the three and nine months ended September 30, 2024, primarily driven by decreases of (i) $20 million and $50 million, respectively, in employee-related costs due to lower headcount, (ii) $10 million and $21 million, respectively, in marketing and advertising expense, (iii) $5 million and $11 million, respectively, in professional fees, and (iv) $3 million and $14 million, respectively, in overall network expense.

Mass Markets segment adjusted EBITDA as a percentage of segment revenue was 55% for both the three and nine months ended September 30, 2025 and 52% and 54% for the three and nine months ended September 30, 2024, respectively.

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Liquidity and Capital Resources

Overview of Sources and Uses of Cash

We are a holding company that is dependent on the capital resources of our subsidiaries to satisfy our parent company liquidity requirements. Several of our significant operating subsidiaries have borrowed funds either on a standalone basis or as part of a separate restricted group with certain of its subsidiaries or affiliates. The terms of the instruments governing the indebtedness of these borrowers or borrowing groups may restrict our ability to access their accumulated cash. In addition, our ability to access the liquidity of these and other subsidiaries may be constrained by tax, legal, and other limitations. For additional information, see "Debt Instruments and Financing Arrangements" below.

At September 30, 2025, we held cash and cash equivalents of $2.4 billion. As of September 30, 2025 we had approximately $722 million of borrowing capacity available under our approximately $954 million of superpriority series A and series B Revolving Credit Facilities (respectively, the “Series A Revolving Credit Facility” and “Series B Revolving Credit Facility,” and, together, the “Revolving Credit Facilities”), net of undrawn letters of credit issued to us thereunder. We typically use our Revolving Credit Facilities as a source of liquidity for operating activities and our other cash requirements. We had approximately $67 million of cash and cash equivalents outside the United States at September 30, 2025. We currently believe that there are no material restrictions on our ability to repatriate cash and cash equivalents into the United States, and that we may do so without paying or accruing U.S. taxes or significant foreign taxes. We do not currently intend to repatriate to the United States any material amounts of our foreign cash and cash equivalents from operating entities.

Our senior leadership team and our Board of Directors review our sources and potential uses of cash in connection with our annual budgeting process and throughout the year as circumstances warrant. Generally speaking, our principal funding source is cash from operating activities, and our principal cash requirements include operating expenses, capital expenditures, income taxes, debt payments, periodic securities repurchases, periodic pension contributions, and other benefits payments.

Based on our current capital allocation objectives, during 2025 we project expending approximately $4.1 billion to $4.3 billion of capital expenditures.

For the 12-month period ending September 30, 2026, we project that our fixed commitments will include $52 million of scheduled term loan amortization payments and $42 million of finance lease and other fixed payments.

As discussed elsewhere herein, on May 21, 2025, we entered into a definitive agreement to sell our Mass Markets fiber-to-the-home business in 11 states to AT&T for a pre-tax total of $5.75 billion in cash, subject to working capital and other various purchase price adjustments. The net proceeds from this sale, if consummated, as well as cash on hand, are expected to be used to pay down approximately $4.8 billion of Lumen Technologies, Inc. superpriority debt as described in Note 5—Long-Term Debt and Credit Facilities, which is expected to reduce our interest expense by approximately $300 million annually. The transaction is also expected to reduce our Mass Markets fiber-related capital expenditures by approximately $1 billion annually.

We believe that our cash and cash equivalents as of September 30, 2025 and current sources of funding will provide sufficient liquidity to enable the Company to meet its cash requirements for at least the next 12 months. We will continue to monitor our future sources and uses of cash, and anticipate that we will make adjustments to our capital allocation strategies when, as and if determined by our senior leadership team and our Board. We may also draw on our Revolving Credit Facilities as a source of liquidity for operating activities and to give us additional flexibility to finance our capital investments, payments of debt, pension contributions, and other cash requirements.

On July 4, 2025, the U.S. enacted H.R.1, "A bill to provide for reconciliation pursuant to Title II of H. Con. Res. 14," commonly referred to as the One Big Beautiful Bill Act (the "OBBBA"). See "Income Tax Obligations" for further information about the expected impact of the OBBBA on the Company.

For additional information, see "Risk Factors—Financial Risks" in Item 1A of Part I of our Annual Report on Form 10-K for the year ended December 31, 2024.

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Capital Expenditures

We incur capital expenditures on an ongoing basis to expand and improve our service offerings, enhance and modernize our networks, fulfill our contractual obligations, and compete effectively in our markets. We evaluate our discretionary capital expenditure projects based on a variety of factors, including expected strategic impacts (such as forecasted impact on revenue growth, productivity, expenses, service levels, and customer retention) and our expected return on investment. The amount of our capital investment is influenced by, among other things, current and projected demand for our services and products, our network and customer contract requirements, cash flow generated by operating activities, cash required for debt service and other purposes, regulatory considerations (such as governmentally-mandated infrastructure buildout requirements), and the availability of requisite supplies, labor, and permits.

Our capital expenditures continue to be focused on enhancing network operating efficiencies, developing new services, and expanding our fiber network, including our Private Connectivity FabricSM and Quantum Fiber buildout plans. A portion of our capital expenditures are also expected to be focused on replacing aged network assets. For more information on our capital spending, see (i) "—Overview of Sources and Uses of Cash " above, (ii) "Cash Flow Activities—Investing Activities" below, and (iii) Item 1 of Part I of our Annual Report on Form 10-K for the year ended December 31, 2024.

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Debt Instruments and Financing Arrangements

Debt Instruments

On September 30, 2025, Level 3 Financing fully redeemed in exchange for cash $350 million aggregate principal amount of its 10.000% Second Lien notes due 2032.

On August 18, 2025, Level 3 Financing issued $2.0 billion of 7.000% First Lien notes due 2034. On such date, Level 3 Financing used the net proceeds from the offering, together with cash on hand, to redeem (i) all $1.4 billion aggregate principal amount of its then-outstanding First Lien 11.000% Senior Secured notes due 2029, and (ii) $305 million aggregate principal amount of its outstanding 10.750% First Lien notes due 2030, in each case including the payment of redemption premium and accrued interest, as well as related fees and expenses. Additionally, on September 8, 2025, Level 3 Financing issued an additional $425 million aggregate principal amount of 7.000% First Lien notes due 2034. On September 14, 2025, Level 3 Financing used the net proceeds from the offering, together with cash on hand, to redeem the remaining $373 million aggregate principal amount of its outstanding 10.750% First Lien notes due 2030, including the payment of redemption premium and accrued interest, as well as related fees and expenses.

On June 30, 2025, Level 3 Financing issued $2.0 billion of its 6.875% First Lien notes due 2033. On such date, Level 3 Financing used the net proceeds from the offering, together with cash on hand, to redeem (i) all $925 million aggregate principal amount of Level 3 Financing's then-outstanding First Lien 10.500% Senior Secured notes due 2030, (ii) all $668 million aggregate principal amount of Level 3 Financing’s then-outstanding 10.500% First Lien notes due 2029, and (iii) $167 million aggregate principal amount of Level 3 Financing’s outstanding 11.000% First Lien notes due 2029, in each case including the payment of redemption premium and accrued interest, as well as related fees and expenses.

On March 27, 2025, Level 3 Financing (i) refinanced all of the outstanding secured Term Loan B-1 facilities and secured Term Loan B-2 facilities under its Existing Level 3 Credit Agreement, and (ii) entered into an amendment to the Existing Level 3 Credit Agreement (collectively, the "First Credit Facilities Transactions"). This amendment revised the Original Level 3 Credit Agreement to, among other things, (i) reduce the pricing on Level 3 Financing’s term loan facility and make related changes to effect such repricing and (ii) extend the maturity of Level 3 Financing's term loan facility to 2032. Immediately following the First Credit Facilities Transactions, Level 3 Financing had $2.4 billion of outstanding borrowings under its new secured Term Loan B-3 facility.

On February 15, 2025, (i) Lumen Technologies redeemed approximately $132 million aggregate principal amount of its unsecured senior notes and (ii) Level 3 Financing redeemed approximately $70 million aggregate principal amount of its unsecured senior notes, both in exchange for cash.

At September 30, 2025, we had:

•$13.9 billion of outstanding consolidated secured indebtedness;

•$4.1 billion of outstanding consolidated unsecured indebtedness (excluding (i) finance lease obligations, (ii) unamortized discounts, net, and (iii) unamortized debt issuance costs); and

•approximately $722 million of unused borrowing capacity under our Revolving Credit Facilities, as discussed further below.

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Under its credit agreements dated March 22, 2024, Lumen maintained at September 30, 2025 (i) approximately $954 million of superpriority Revolving Credit Facilities, under which no amounts were outstanding as of such date, and had approximately $232 million of letters of credit issued and undrawn as of such date, and (ii) approximately $3.5 billion of drawn superpriority term loan facilities. Under the Existing Level 3 Credit Agreement, Level 3 Financing maintained $2.4 billion of drawn secured term loan facilities at September 30, 2025.

At September 30, 2025, we had $234 million undrawn letters of credit outstanding, (i) $232 million of which were issued under our Revolving Credit Facilities and (ii) $2 million of which were issued under a separate facility maintained by Lumen subsidiaries (the majority of which is collateralized by cash).

In addition to indebtedness under their above-mentioned credit agreements, Lumen and Level 3 Financing are indebted under their respective outstanding senior notes, and certain of Lumen's other subsidiaries are indebted under their respective outstanding senior notes.

For additional information on the terms and conditions of the above-described debt instruments, including financial and operating covenants, see (i) Note 5—Long-Term Debt and Credit Facilities to our consolidated financial statements in Item 1 of Part I of this report, (ii) Note 7—Long-Term Debt and Credit Facilities to our consolidated financial statements in Item 8 of Part II of our Annual Report on Form 10-K for the year ended December 31, 2024 and (iii) "—Other Matters" below.

Future Debt Transactions

Subject to market conditions, we plan to continue to issue debt instruments from time to time to refinance a substantial portion of our maturing debt, including issuing debt securities of certain of our subsidiaries to refinance their maturing debt to the extent permitted under our debt covenants and consistent with our capital allocation strategies. The availability, interest rate, and other terms of any new borrowings will depend on the ratings assigned by credit rating agencies, among other factors.

As of the filing date of this report, the credit ratings for the senior secured and unsecured debt of Lumen Technologies, Inc., Level 3 Financing, Inc. and Qwest Corporation were as follows:

Borrower

Moody's Investors Service, Inc.(1)

Standard & Poor's

Fitch Ratings(1)

Lumen Technologies, Inc.:

Unsecured

Caa2

CCC

CCC-

Secured

B3/Caa1

B+/CCC

B+

Level 3 Financing, Inc.

Unsecured

Caa1

CCC

CCC-

Secured

B1/B3

B+/B-

B+/CCC

Qwest Corporation:

Unsecured

Caa2

B+

_______________________________________________________________________________

(1)In May and July 2025, Moody's and Fitch, respectively, placed all of Lumen, Level 3, and Qwest's ratings on review for a potential upgrade.

Our credit ratings are reviewed and adjusted from time to time by the rating agencies. Any future changes in the senior unsecured or secured debt ratings of us or our subsidiaries could impact our access to capital or borrowing costs. We cannot provide any assurances that we will be able to borrow additional funds on favorable terms, or at all. See "Risk Factors—Financial Risks" in Item 1A of Part I of our Annual Report on Form 10-K for the year ended December 31, 2024.

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From time to time over the past couple of years, we have engaged in various debt refinancings, redemptions, tender offers, exchange offers, open market purchases, and other transactions designed principally to reduce our consolidated indebtedness, extend our debt maturities, lower our interest costs, improve our financial flexibility, or otherwise enhance our debt profile. Subject to market conditions, restrictions under our debt covenants, and other limitations, we expect to opportunistically pursue similar transactions in the future to the extent feasible. See Note 5—Long-Term Debt and Credit Facilities to our consolidated financial statements in Item 1 of Part I of this report for additional information.

Income Tax Obligations

As of December 31, 2024, Lumen Technologies had approximately $570 million of federal net operating loss carryforwards ("NOLs") which, for U.S. federal income tax purposes, may be used to offset future taxable income. The majority of these NOLs were acquired through the Level 3 Communications, Inc. acquisition on November 1, 2017 and are subject to limitations under Section 382 of the Internal Revenue Code of 1986, as amended ("Section 382"). We maintain a Section 382 rights agreement designed to safeguard our ability to use those NOLs through late 2026. For additional information about our NOLs, see Note 16—Income Taxes to our consolidated financial statements in Item 8 of Part II of our Annual Report on Form 10-K for the year ended December 31, 2024.

We expect to use substantially all of our remaining NOLs in future periods in accordance with Section 382's annual limitations, although we cannot guarantee this. See "Risk Factors—Financial Risks—We may not be able to fully utilize our NOLs" in Item 1A of Part I of our Annual Report on Form 10-K for the year ended December 31, 2024.

Tax legislation continues to evolve globally with new laws and regulations that create uncertainty in the global economy. On July 4, 2025, the U.S. enacted the OBBBA. The legislation, among other things, makes a favorable change to the business interest expense limitation and makes permanent 100% bonus depreciation for qualifying assets and immediate expensing for domestic research and experimentation expenses. We do not expect the tax provisions of the OBBBA to have a material impact on our 2025 effective tax rate. As a result of the OBBBA, we expect our 2025 federal income tax liability to be significantly reduced. Accordingly, in July 2025, we filed a refund claim for $400 million of federal estimated income taxes that we anticipate receiving later in 2025.

In December 2021, the Organization for Economic Co-operation and Development (OECD) issued Pillar Two model rules introducing a new global minimum corporate tax of 15% for tax years effective after December 31, 2023. While the U.S. has not adopted Pillar Two legislation, certain countries in which we operate have already adopted legislation to implement Pillar Two. These global minimum tax rules have increased our administrative and compliance burdens, but we believe the impact to our financial statements is immaterial. We anticipate further legislative activity and administrative guidance throughout 2025 and continue to monitor evolving global tax legislation.

Pension and Post-retirement Benefit Obligations

We are subject to material obligations under our existing defined benefit pension plans and post-retirement benefit plans. At December 31, 2024, the accounting unfunded status of our qualified and non-qualified defined benefit pension plans and our qualified post-retirement benefit plans was $645 million and $1.7 billion, respectively. For additional information about our pension and post-retirement benefit arrangements, see "Critical Accounting Policies and Estimates—Pension and Post-retirement Benefits" in Item 7 of our Annual Report on Form 10-K for the year ended December 31, 2024; also see Note 11—Employee Benefits to our consolidated financial statements in Item 8 of Part II of the same report.

Benefits paid by our Combined Pension Plan are paid through the trust that holds the Combined Pension Plan's assets. Based on current laws and circumstances, we do not expect any contributions to be required for our Combined Pension Plan during 2025. The amount of required contributions to our Combined Pension Plan in 2026 and beyond will depend on a variety of factors, most of which are beyond our control, including earnings on plan investments, prevailing interest rates, demographic experience, changes in plan benefits, and changes in funding laws and regulations. We occasionally make voluntary contributions to our plans in addition to required contributions and reserve the right to do so in the future. We currently do not expect to make a voluntary contribution in 2025.

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Substantially all of our post-retirement health care and life insurance benefits plans are unfunded and are paid by us with available cash. Based on our most recent estimates, we expect to pay approximately $186 million of post-retirement benefits, net of participant contributions and direct subsidies, for the full year 2025. For additional information on our expected future benefits payments for our post-retirement benefit plans, see Note 11—Employee Benefits to our consolidated financial statements in Item 8 of Part II of our Annual Report Form 10-K for the year ended December 31, 2024.

Our pension plan contains provisions that allow us, from time to time, to offer lump sum payment options to certain former employees in settlement of their future retirement benefits. We record an accounting settlement charge, consisting of the recognition of certain deferred costs of the pension plan, associated with these lump sum payments only if, in the aggregate, they exceed or are probable to exceed the sum of the annual service and interest costs for the plan’s net periodic pension benefit cost, which represents the settlement accounting threshold. See Note 11—Employee Benefits to our consolidated financial statements in Item 8 of Part II of our Annual Report Form 10-K for the year ended December 31, 2024 for additional information.

For 2025, our expected annual long-term rate of return on the pension plan assets is 6.5%. However, actual returns, if any, could be substantially different.

See Note 8—Employee Benefits to our consolidated financial statements in Item 1 of Part I of this report for more information.

Future Contractual Obligations

For information regarding our estimated future contractual obligations, see (i) the MD&A discussion included in Item 7 of Part II of our Annual Report on Form 10-K for the year ended December 31, 2024 and (ii) updated information on our debt arrangements above under the heading "—Debt Instruments and Financing Arrangements."

Federal Broadband Support Programs

The FCC's RDOF program aims to support broadband expansion in rural areas throughout America. Although we initially agreed to participate in the program in certain areas, as previously disclosed, we voluntarily relinquished a portion of our RDOF awards in the third quarter of 2024. In the second quarter of 2025, we voluntarily relinquished the remainder of our RDOF awards. As a result, we will no longer receive funding through the RDOF program and recognized a reduction to revenue of $46 million in our consolidated statements of operations in the second quarter of 2025. We will also incur fees in connection therewith. These fees are currently estimated to be $49 million and are reflected in our operating expenses within our consolidated statements of operations. We expect to remit the $95 million of revenue and fees summarized above, along with an additional $4 million relating to our 2024 relinquishment, in the first half of 2026.

For additional information on these programs, see (i) Note 4—Revenue Recognition to our consolidated financial statements in Item 8 of Part II of our Annual Report on Form 10-K for the year ended December 31, 2024, (ii) "Business—Regulation of Our Business" in Item 1 of Part I of the same Annual Report, and (iii) "Risk Factors—Legal and Regulatory Risks" in Item 1A of Part I of the same Annual Report.

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Cash Flow Activities

The following table summarizes our consolidated cash flow activities for the nine months ended September 30, 2025 and 2024.


	Nine Months Ended September 30,			$ Change
	2025		2024
	(Dollars in millions)
Net cash provided by operating activities	$	4,176	3,645	531
Net cash used in investing activities	(2,669)		(1,999)	670
Net cash used in financing activities	(995)		(1,241)	(246)

Operating Activities

Net cash provided by operating activities increased by $531 million for the nine months ended September 30, 2025, as compared to the nine months ended September 30, 2024, primarily due to an increase in deferred revenue related to receipt of advance cash payments pursuant to our recent sales of PCF solutions, which was partially offset by higher net loss adjusted for non-cash expenses and gains, and receipt of a federal income tax cash refund in the first quarter of 2024 which has not been replicated in 2025. Cash provided by operating activities is subject to variability period over period as a result of timing differences, including with respect to the collection of receivables and payments of interest expense, accounts payable and bonuses.

For additional information about our operating results, see "Results of Operations" above.

Investing Activities

Net cash used in investing activities increased by $670 million for the nine months ended September 30, 2025, as compared to the nine months ended September 30, 2024, primarily due to increased capital expenditures and lower proceeds from sales of property, plant and equipment, and other assets.

Financing Activities

Net cash used in financing activities decreased by $246 million for the nine months ended September 30, 2025, as compared to the nine months ended September 30, 2024, primarily due to higher net proceeds from issuance of long-term debt during the nine months ended September 30, 2025, as compared to the nine months ended September 30, 2024. These decreases were partially offset by higher net payments of long-term debt and revolving debt during the nine months ended September 30, 2025, as compared to the nine months ended September 30, 2024 and higher debt extinguishment costs and fees, driven by the debt transactions in 2025 compared to those in 2024 described elsewhere herein.

See Note 5—Long-Term Debt and Credit Facilities to our consolidated financial statements in Item 1 of Part I of this report for additional information on our outstanding debt securities.

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Other Matters

We have cash management and loan arrangements with a majority of our income-generating subsidiaries, in which a substantial portion of the aggregate cash of those subsidiaries is periodically advanced or loaned to us or our service company affiliate. Although we periodically repay these advances to fund the subsidiaries' cash requirements throughout the year, at any given point in time we may owe a substantial sum to our subsidiaries under these arrangements. In accordance with generally accepted accounting principles, these arrangements are reflected in the balance sheets of our subsidiaries but are eliminated in consolidation and therefore not recognized on our consolidated balance sheets. For additional information, see "Risk Factors" in Item 1A of Part I of our Annual Report on Form 10-K for the year ended December 31, 2024.

Our network includes some residual lead-sheathed copper cables installed years ago that constitute a small portion of our network. Recent media coverage of potential health and environmental risks associated with these cables has resulted in regulatory inquiries, and lawsuits, and could subject us to legislative or regulatory actions, removal costs, compliance costs, or penalties. As of September 30, 2025, we have not accrued for any such potential costs and will only accrue when such costs are probable and reasonably estimable. For additional information about related litigation and potential risks, see Note 12—Commitments, Contingencies and Other Items to our consolidated financial statements in Item 1 of Part I of this report, and the risk factor disclosures included under “Risk Factors” in Item 1A of Part I of our Annual Report on Form 10-K for the year ended December 31, 2024.

We are also involved in various other legal proceedings that could substantially impact our financial position. See Note 12—Commitments, Contingencies and Other Items to our consolidated financial statements in Item 1 of Part I of this report for additional information.

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Market Risk

As of September 30, 2025, we were exposed to market risk from changes in interest rates on our variable rate long-term debt obligations and fluctuations in certain foreign currencies.

Our management periodically reviews our exposure to interest rate fluctuations and periodically implements strategies to manage the exposure. From time to time, we have used derivative instruments to swap our exposure to variable interest rates for fixed interest rates. We have established policies and procedures for risk assessment and the approval, reporting, and monitoring of derivative instrument activities. As of September 30, 2025, we did not hold or issue derivative financial instruments for trading or speculative purposes.

As of September 30, 2025, we had approximately $6.0 billion aggregate principal amount of debt bearing unhedged floating interest rates based on the secured overnight financing rate ("SOFR"). A hypothetical increase of 100 basis points in SOFR relating to our $6.0 billion of unhedged floating rate debt would, among other things, decrease our annual pre-tax earnings by approximately $60 million.

We conduct a small portion of our business in currencies other than the U.S. dollar, the currency in which our consolidated financial statements are reported. Although we continue to evaluate strategies to mitigate risks related to the effect of fluctuations in currency exchange rates, we will likely continue to recognize gains or losses from international transactions. Accordingly, changes in foreign currency rates relative to the U.S. dollar could positively or negatively impact our operating results.

Certain shortcomings are inherent in the method of analysis presented in the computation of exposures to market risks. Actual values may differ materially from those disclosed by us from time to time if market conditions vary from the assumptions used in the analyses performed. These analyses only incorporate the risk exposures that existed at September 30, 2025.

Other Information

Our website is www.lumen.com. We routinely post important investor information in the "Investors" section of our website at ir.lumen.com. We also use our website to webcast our earnings calls and certain of our meetings with investors or other members of the investment community. The information contained on, or that may be accessed through, our website is not part of this quarterly report. You may obtain free electronic copies of annual reports on Form 10-K, quarterly reports on Form 10-Q, and current reports on Form 8-K filed by us or our affiliates Level 3 Parent, LLC and Qwest Corporation, and all amendments to those reports, in the "Investor Relations" section of our website (ir.lumen.com) under the headings "FINANCIALS" and "SEC Filings." These reports are available on our website as soon as reasonably practicable after they are electronically filed with the SEC.

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ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

See "Liquidity and Capital Resources—Market Risk" in Item 2 of Part I above.

ITEM 4. CONTROLS AND PROCEDURES

Disclosure Controls and Procedures

We maintain disclosure controls and procedures (as defined in Rule 13a-15(e) and Rule 15d-15(e) promulgated under the Securities Exchange Act of 1934 (the “Exchange Act”)) designed to provide reasonable assurance that the information required to be disclosed by us in the reports we file or furnish under the Exchange Act is recorded, processed, summarized, and reported within the time periods specified in the SEC’s rules and forms. These include controls and procedures designed to ensure this information is accumulated and communicated to our senior leadership team, including our Chief Executive Officer and Chief Financial Officer, as appropriate to allow timely decisions regarding required disclosure. Our management, with the participation of our President and Chief Executive Officer, Kate Johnson, and our Executive Vice President and Chief Financial Officer, Chris Stansbury, evaluated the effectiveness of our disclosure controls and procedures as of September 30, 2025. Based on this evaluation, our Chief Executive Officer and Chief Financial Officer have concluded that, as of September 30, 2025, our disclosure controls and procedures were effective in providing reasonable assurance the information required to be disclosed by us in this report was accumulated and communicated in the manner provided above.

Changes in Internal Control Over Financial Reporting

There have been no changes in our internal control over financial reporting (as defined in Rule 13a-15(f) and 15d-15(f) of the Exchange Act) that occurred during the third quarter of 2025 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Inherent Limitations of Disclosure Controls and Procedures

The effectiveness of our or any system of disclosure controls and procedures is subject to certain limitations, including the exercise of judgment in designing, implementing, and evaluating the controls and procedures, the assumptions used in identifying the likelihood of future events and the inability to eliminate misconduct completely. As a result, there can be no assurance that our disclosure controls and procedures will detect all errors or fraud. By their nature, our or any system of disclosure controls and procedures can provide only reasonable assurance regarding management's control objectives.

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PART II—OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

The information contained under the subheadings "Principal Proceedings" and "Other Proceedings, Disputes and Contingencies" in Note 12—Commitments, Contingencies and Other Items to our consolidated financial statements included in Item 1 of Part I of this report is incorporated herein by reference. The ultimate outcome of the matters described in Note 12 may differ materially from the outcomes anticipated, estimated, projected, or implied by us in certain of our statements appearing in such Note, and proceedings currently viewed as not significant by us may ultimately materially impact us. For more information, see “Risk Factors—Legal and Regulatory Risks—Our pending legal proceedings could have a material adverse impact on us” in Item 1A of Part I of our Annual Report on Form 10-K for the year ended December 31, 2024.

ITEM 1A. RISK FACTORS

Our operations and financial results are subject to various risks and uncertainties, which could adversely affect our business, financial condition, results of operations, or prospects. We recommend that you carefully consider (i) the other information set forth elsewhere in this report and (ii) the risk factors discussed in Part I, Item 1A of our Annual Report on Form 10-K for the year ended December 31, 2024, as supplemented by the additional disclosures below:

We may not be able to complete our pending divestiture or realize the anticipated benefits thereof.

On May 21, 2025, we and certain of our affiliates agreed to sell our Mass Markets fiber-to-the-home business in 11 states and enter into various post-closing commercial agreements with the purchaser designed to ensure the continuity of services to customers. The completion of this divestiture is subject to receipt of several regulatory approvals and other customary closing conditions, the satisfaction of which is not assured and may not occur on the timeline that we expect. The pendency of this divestiture could impact us in several ways, including impacting relationships with our customers, vendors, and employees, restricting our operations, and diverting management’s attention from operating our business in the ordinary course. If we are unable to complete the divestiture as expected, we could face significant negative consequences, including negative reactions from the financial markets and challenges in achieving our debt reduction goals, which could adversely affect our credit ratings, and cause difficulty executing on our strategic priorities, objectives, or goals. We have also incurred significant costs, including the diversion of management resources, for which we will have received little or no benefit if the divestiture does not close.

Even if we successfully complete this divestiture, we may, among other things, (i) incur greater tax or other costs or realize fewer benefits than anticipated under the purchase agreement and the post-closing commercial agreements that we plan to enter into with the purchaser, (ii) experience operational difficulties segregating the divested assets from our retained assets, and (iii) experience losses or increased inefficiencies from stranded or underutilized assets. Moreover, these divestitures will reduce our future cash flows and result in certain dis-synergies. In addition, we may be exposed to ongoing obligations and liabilities associated with the divestiture, including as a result of any indemnification obligations.

Changes in U.S. and foreign government administrative policy, including the imposition of, or increases in, tariffs, and changes to existing trade agreements, could have a material adverse effect on us.

As a result of changes to U.S. and foreign government administrative policy, there may be changes to existing trade agreements, the imposition of or significant increases in tariffs on goods imported into the U.S. and adverse responses by foreign governments to U.S. trade policies, among other possible changes. The U.S. administration has implemented or increased tariffs and announced it intends to implement or increase additional tariffs, and it remains unclear what the U.S. administration or foreign governments will or will not do with respect to tariffs or trade agreements and policies. A trade war; other governmental action related to tariffs or trade agreements; changes in U.S. social, political, regulatory, and economic conditions or in laws and policies governing foreign trade, manufacturing, development, and investment in the territories and countries where we currently develop and sell products; and any resulting negative sentiments toward the U.S. as a result of such changes, could have a material adverse effect on our business, results of operations or financial condition.

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ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

Issuer Purchases of Equity Securities

The following table contains information about shares of our previously-issued common stock that we withheld from employees upon vesting of their stock-based awards during the third quarter of 2025 to satisfy the related tax withholding obligations:


	Total Number of Shares Withheld for Taxes	Average Price Paid Per Share
Period
July 2025	25,068	$	4.51
August 2025	160,589	$	4.26
September 2025	364,509	$	4.97
Total	550,166

ITEM 5. OTHER INFORMATION

(a)None.

(b)None.

(c)During the quarter ended September 30, 2025, none of our directors or officers (as defined in Rule 16a-1 under the Exchange Act) adopted or terminated a "Rule 10b5-1 trading arrangement" or "non-Rule 10b5-1 trading arrangement" (as those terms are defined in Item 408 of Regulation S-K).

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ITEM 6. EXHIBITS

Exhibits filed or furnished as part of this report are listed below.

Exhibit

No.

Description

Incorporated by Reference

Filed or Furnished

Filer and File No.(1)

Form

Date(2)

3.1

Composite Articles of Incorporation of the Registrant, as amended and restated through May 13, 2025.

Registrant

8-K Exhibit No. 3.1

5/15/2025

3.2

Bylaws of the Registrant, as amended and restated through May 17, 2023.

Registrant

8-K Exhibit No. 3.1

5/19/2023

4.1

Indenture, dated August 18, 2025, among Level 3 Parent, LLC, as Guarantor, Level 3 Financing, Inc., as Issuer, U.S. Bank Trust Company, National Association, as Trustee, and Wilmington Trust, National Association, as Collateral Agent, relating to the 7.000% First Lien notes due 2034 of Level 3 Financing, Inc.

Registrant

8-K Exhibit No. 4.1

8/18/2025

4.2

Form of 7.000% First Lien notes due 2034 (included in Exhibit 4.1).

Registrant

8-K Exhibit No. 4.2

8/18/2025

10.1

Director Charitable Contribution Program .

Filed

10.2

Second Amendment Agreement, dated as of September 29, 2025, among Level 3 Parent, LLC, Level 3 Financing, Inc., as Borrower, the lenders party thereto and Wilmington Trust, National Association, as administrative agent and collateral agent.

Registrant

8-K Exhibit 10.1

9/29/2025

31.1

Certification of the Chief Executive Officer of Lumen Technologies, Inc. pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

Filed

31.2

Certification of the Chief Financial Officer of Lumen Technologies, Inc. pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

Filed

32.1

Certification of the Chief Executive Officer of Lumen Technologies, Inc. pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.

Furnished

32.2

Certification of the Chief Financial Officer of Lumen Technologies, Inc. pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.

Furnished

101

Financial statements from the Quarterly Report on Form 10-Q of Lumen Technologies, Inc. for the period ended September 30, 2025, formatted in Inline XBRL: (i) the Consolidated Statements of Operations, (ii) the Consolidated Statements of Comprehensive Loss, (iii) the Consolidated Balance Sheets, (iv) the Consolidated Statements of Cash Flows, (v) the Consolidated Statements of Stockholders' (Deficit) Equity and (vi) the Notes to Consolidated Financial Statements.

Filed

104

Cover page formatted as Inline XBRL and contained in Exhibit 101.

Filed

_______________________________________________________________________________

(1) For purposes of this column, (i) "Registrant" means Lumen Technologies, Inc. (File No. 001-07784), formerly named Century Link, Inc., Century Tel, Inc. and Century Telephone Enterprises, Inc., (ii) “Qwest” means Qwest Corporation (File No. 001-03040), (iii) “Qwest Parent” means Qwest Communications International Inc. (File No. 001-15577), and (iv) “Level 3” means Level 3 Parent, LLC (File No. 001-35134), successor-in-interest to Level 3 Communications, Inc.

(2)Represents the date of filing the report.

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SIGNATURE

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized on October 30, 2025.


			LUMEN TECHNOLOGIES, INC.
			By:			/s/ Donald Holt
						Donald Holt Chief Accounting Officer and Controller (Principal Accounting Officer and authorized officer)

Exhibit 10.1 1 LUMEN TECHNOLOGIES, INC. DIRECTOR CHARITABLE CONTRIBUTION GUIDELINES (Effective August 13, 2025) 1. PURPOSE OF THE PROGRAM The purpose of the Director Charitable Contribution Program (the “Program”) is to acknowledge the service of departing non-employee members (“Directors”) of the Board of Directors (the “Board”) of Lumen Technologies, Inc. (the “Company”) and recognize the mutual interest of the Company and the Directors in support of eligible educational and charitable organizations. 2. DIRECTOR ELIGIBILITY An “Eligible Director” under the Program is a Director who: (1) is not an employee of the Company on the date the Director ceases to be a member of the Board (the Director’s “Retirement Date”); (2) has served for at least one one-year term on the Board; (3) ceases to be a member of the Board due to his or her retirement, failure to stand for reelection at the end of his or her then-current term, or death; and (4) is otherwise deemed to be eligible by the Nominating and Corporate Governance Committee (the “NCGC”) of the Board. 3. ELIGIBLE ORGANIZATIONS; APPROVAL OF ORGANIZATIONS An “Eligible Organization” under the Program is an organization that (1) at both the time of its designation by an Eligible Director (or, in the case of a deceased Eligible Director, his or her representative) and the time a donation is made, qualifies for tax-exempt status under section 501(c)(3) of the Internal Revenue Code and (2) has been approved by the Company’s Chief Executive Officer, Chief Financial Officer, or Chief People Officer (each, an “Approving Officer”). An organization will be approved unless the Approving Officer determines, in the exercise of good faith judgment, that a donation to the organization would be detrimental to the best interests of the Company. Notwithstanding the foregoing, private foundations may not be Eligible Organizations. 4. AMOUNT OF DONATION(S), DESIGNATION OF ORGANIZATION(S), AND PAYMENTS The Company will make a donation to one or more Eligible Organizations on behalf of an Eligible Director. The aggregate amount of the donation(s) will be established by the NCGC with the approval of an Approving Officer prior to an Eligible Director’s Retirement Date (or, in the case of a deceased Eligible Director, promptly following his or her death).

Exhibit 10.1 2 Following the establishment of the aggregate amount of the donation(s), either Approving Officer or his or her delegates will request that each Eligible Director (or, in the case of a deceased Eligible Director, his or her spouse or, if he or she is unmarried at the time of death, the executor of his or her estate) designate one or more Eligible Organizations to be the recipient(s) of the Company’s donation(s) to be made in the Eligible Director’s name. All donations must be in multiples of $1,000. Other than in the case of a deceased Eligible Director (in which case, the destination may be made at any time prior to the first anniversary of his or her death), the Eligible Director must designate the Eligible Organization(s) prior to his or her Retirement Date. The donation(s) will be made by the Company as soon as practicable after the Eligible Director’s Retirement Date (or, in the case of a deceased Eligible Director, the designation of the Eligible Organization(s)). 5. FUNDING AND PROGRAM ASSETS Donations shall be made from the Company’s general assets. 6. AMENDMENT OR TERMINATION The Board may amend, suspend, or terminate this Program at any time without the consent of the Directors. Without limiting the generality of the foregoing, no Eligible Director shall have any right to direct or cause the Company to make any donations under this Program. Further, nothing contained in the Program shall create, or be deemed to create, a trust, actual or constructive, for the benefit of a Director or any organization recommended by a Director to receive a donation, or shall give, or be deemed to give, any Director or recommended organization any interest in any assets of the Company. 7. ADMINISTRATION Except as otherwise specifically provided, the Program shall be administered by the Company’s Chief People Officer (the “Administrator”). The Administrator may use such resources and personnel of the Company as may be considered by the Administrator necessary or desirable to administer the Program. The Administrator’s determination with respect to any questions arising as to interpretation of the Program shall be final, conclusive, and binding on all interested parties. Approved by the Nominating and Corporate Governance Committee on August 13, 2025

Exhibit 31.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

I, Kate Johnson, Chief Executive Officer, certify that:

1.I have reviewed this quarterly report on Form 10-Q of Lumen Technologies, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b.designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's Board of Directors:

a.all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b.any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.


Date: October 30, 2025						/s/ Kate Johnson
						Kate Johnson Chief Executive Officer

Exhibit 31.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

I, Chris Stansbury, Chief Financial Officer, certify that:

1.I have reviewed this quarterly report on Form 10-Q of Lumen Technologies, Inc.;

b.any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.


Date: October 30, 2025						/s/ Chris Stansbury
						Chris Stansbury Executive Vice President and Chief Financial Officer

Exhibit 32.1

Certification Pursuant to

18 U.S.C. Section 1350,

as Adopted Pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

I, Kate Johnson, Chief Executive Officer of Lumen Technologies, Inc. ("Lumen Technologies"), certify that, to my knowledge, the Quarterly Report on Form 10-Q for the quarter ended September 30, 2025 of Lumen Technologies fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934 and that the information contained in the Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of Lumen Technologies as of the dates and for the periods covered by such report.

A signed original of this statement has been provided to Lumen Technologies and will be retained by Lumen Technologies and furnished to the Securities and Exchange Commission or its staff upon request.


Date:	October 30, 2025	/s/ Kate Johnson
		Kate Johnson
		Chief Executive Officer

Exhibit 32.2

Certification Pursuant to

18 U.S.C. Section 1350,

as Adopted Pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

I, Chris Stansbury, Chief Financial Officer of Lumen Technologies, Inc. ("Lumen Technologies"), certify that, to my knowledge, the Quarterly Report on Form 10-Q for the quarter ended September 30, 2025 of Lumen Technologies fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934 and that the information contained in the Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of Lumen Technologies as of the dates and for the periods covered by such report.


Date:	October 30, 2025	/s/ Chris Stansbury
		Chris Stansbury
		Executive Vice President and Chief Financial Officer

v3.25.3

Cover Page - shares
9 Months Ended

Sep. 30, 2025

Oct. 28, 2025

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Entity Registrant Name LUMEN TECHNOLOGIES, INC.

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Entity Tax Identification Number 72-0651161

Entity Address, Address Line One 100 CenturyLink Drive,

Entity Address, City or Town Monroe,

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City Area Code 318

Local Phone Number 388-9000

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Current Fiscal Year End Date --12-31

Document Fiscal Year Focus 2025

Document Fiscal Period Focus Q3

Common Stock

Document Information [Line Items]

Title of 12(b) Security Common Stock, no par value per share

Trading Symbol LUMN

Security Exchange Name NYSE

Preferred Stock

Document Information [Line Items]

Title of 12(b) Security Preferred Stock Purchase Rights

Security Exchange Name NYSE

Preferred Stock - No Trading Symbol true

v3.25.3

CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($)
shares in Thousands
3 Months Ended 9 Months Ended

Sep. 30, 2025

Sep. 30, 2024

Sep. 30, 2025

Sep. 30, 2024

Income Statement [Abstract]

OPERATING REVENUE $ 3,087,000,000 $ 3,221,000,000 $ 9,361,000,000 $ 9,779,000,000

OPERATING EXPENSES

Cost of services and products (exclusive of depreciation and amortization) 1,700,000,000 1,692,000,000 5,011,000,000 4,997,000,000

Selling, general and administrative 829,000,000 696,000,000 2,259,000,000 2,261,000,000

Net loss on sale of business 0 0 0 17,000,000

Depreciation and amortization 674,000,000 707,000,000 2,075,000,000 2,198,000,000

Goodwill impairment 0 0 628,000,000 0

Total operating expenses 3,203,000,000 3,095,000,000 9,973,000,000 9,473,000,000

OPERATING (LOSS) INCOME (116,000,000) 126,000,000 (612,000,000) 306,000,000

OTHER (EXPENSE) INCOME

Interest expense (319,000,000) (351,000,000) (1,004,000,000) (1,015,000,000)

Net (loss) gain on early retirement of debt (Note 5) (395,000,000) (1,000,000) (666,000,000) 277,000,000

Other income, net 17,000,000 54,000,000 75,000,000 321,000,000

Total other expense, net (697,000,000) (298,000,000) (1,595,000,000) (417,000,000)

LOSS BEFORE INCOME TAXES (813,000,000) (172,000,000) (2,207,000,000) (111,000,000)

Income tax (benefit) expense (192,000,000) (24,000,000) (470,000,000) 29,000,000

NET LOSS $ (621,000,000) $ (148,000,000) $ (1,737,000,000) $ (140,000,000)

BASIC AND DILUTED LOSS PER COMMON SHARE

BASIC (in dollars per share) $ (0.62) $ (0.15) $ (1.75) $ (0.14)

DILUTED (in dollars per share) $ (0.62) $ (0.15) $ (1.75) $ (0.14)

WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING

BASIC (in shares) 995,998 988,794 993,937 986,963

DILUTED (in shares) 995,998 988,794 993,937 986,963

v3.25.3

CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (UNAUDITED) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended

Sep. 30, 2025

Sep. 30, 2024

Sep. 30, 2025

Sep. 30, 2024

Statement of Comprehensive Income [Abstract]

NET LOSS $ (621) $ (148) $ (1,737) $ (140)

Items related to employee benefit plans:

Change in net actuarial loss, net of $(7), $(6), $(22) and $(17) tax 23 18 67 52

Change in net prior service cost, net of $1, $1, $2 and $3 tax (2) (3) (5) (8)

Foreign currency translation adjustment, net of $—, $—, $— and $— tax 11 5 14 0

Other comprehensive income 32 20 76 44

COMPREHENSIVE LOSS $ (589) $ (128) $ (1,661) $ (96)

v3.25.3

CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (UNAUDITED) (Parenthetical) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended

Sep. 30, 2025

Sep. 30, 2024

Sep. 30, 2025

Sep. 30, 2024

Statement of Comprehensive Income [Abstract]

Change in net actuarial loss, tax $ (7) $ (6) $ (22) $ (17)

Change in net prior service cost, tax 1 1 2 3

Foreign currency translation adjustment and other, tax $ 0 $ 0 $ 0 $ 0

v3.25.3

CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($)
$ in Millions

Sep. 30, 2025

Dec. 31, 2024

CURRENT ASSETS

Cash and cash equivalents $ 2,401 $ 1,889

Accounts receivable, less allowance of $53 and $59 1,263 1,231

Assets held for sale 3,787 24

Other current assets, net 1,256 1,250

Total current assets 8,707 4,394

Property, plant and equipment, net of accumulated depreciation of $23,420 and $23,121 19,107 20,421

GOODWILL AND OTHER ASSETS

Goodwill 0 1,964

Other intangible assets, net 4,411 4,806

Other assets, net 2,061 1,911

Total goodwill and other assets 6,472 8,681

TOTAL ASSETS 34,286 33,496

CURRENT LIABILITIES

Current maturities of long-term debt 94 412

Accounts payable 1,089 749

Accrued expenses and other liabilities

Salaries and benefits 760 716

Income and other taxes 323 272

Current operating lease liabilities 273 253

Interest 133 197

Other current liabilities 224 179

Liabilities held for sale 36 0

Current portion of deferred revenue 1,000 861

Total current liabilities 3,932 3,639

LONG-TERM DEBT 17,578 17,494

DEFERRED CREDITS AND OTHER LIABILITIES

Deferred income taxes, net 2,314 2,890

Benefit plan obligations, net 2,140 2,205

Deferred revenue 6,200 3,733

Other liabilities 3,295 3,071

Total deferred credits and other liabilities 13,949 11,899

COMMITMENTS AND CONTINGENCIES (Note 12)

STOCKHOLDERS' (DEFICIT) EQUITY

Preferred stock—non-redeemable, $25.00 par value, authorized 2,000 and 2,000 shares, issued and outstanding 7 and 7 shares 0 0

Common stock, no par value, authorized 2,200,000 and 2,200,000 shares, issued and outstanding 1,025,654 and 1,014,768 shares 19,173 19,149

Accumulated other comprehensive loss (647) (723)

Accumulated deficit (19,699) (17,962)

Total stockholders' (deficit) equity (1,173) 464

TOTAL LIABILITIES AND STOCKHOLDERS' (DEFICIT) EQUITY $ 34,286 $ 33,496

v3.25.3

CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - USD ($)
shares in Thousands, $ in Millions

Sep. 30, 2025

Dec. 31, 2024

Statement of Financial Position [Abstract]

Accounts receivable, allowance $ 53 $ 59

Accumulated depreciation $ 23,420 $ 23,121

Preferred stock-non-redeemable, par value (in dollars per share) $ 25.00 $ 25.00

Preferred stock-non-redeemable, shares authorized (in shares) 2,000 2,000

Preferred stock-non-redeemable, shares issued (in shares) 7 7

Preferred stock-non-redeemable, shares outstanding (in shares) 7 7

Common stock, par value (in dollars per share) $ 0 $ 0

Common stock, shares authorized (in shares) 2,200,000 2,200,000

Common stock, shares issued (in shares) 1,025,654 1,014,768

Common stock, shares outstanding (in shares) 1,025,654 1,014,768

v3.25.3

CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)
9 Months Ended

Sep. 30, 2025

Sep. 30, 2024

OPERATING ACTIVITIES

Net loss $ (1,737,000,000) $ (140,000,000)

Adjustments to reconcile net loss to net cash provided by operating activities:

Depreciation and amortization 2,075,000,000 2,198,000,000

Net loss on sale of business 0 17,000,000

Goodwill impairment 628,000,000 0

Deferred income taxes (597,000,000) (6,000,000)

Provision for uncollectible accounts 47,000,000 54,000,000

Net loss (gain) on early retirement of debt 666,000,000 (277,000,000)

Debt modification costs and related fees 0 (80,000,000)

Gain on sale of investment 0 (205,000,000)

Stock-based compensation 35,000,000 21,000,000

Changes in current assets and liabilities:

Accounts receivable (92,000,000) 39,000,000

Accounts payable 262,000,000 (212,000,000)

Accrued income and other taxes 92,000,000 440,000,000

Other current assets and liabilities, net 68,000,000 264,000,000

Retirement benefits 14,000,000 (185,000,000)

Change in deferred revenue 2,468,000,000 1,572,000,000

Changes in other assets and liabilities, net 102,000,000 185,000,000

Other, net 145,000,000 (40,000,000)

Net cash provided by operating activities 4,176,000,000 3,645,000,000

INVESTING ACTIVITIES

Capital expenditures (2,723,000,000) (2,316,000,000)

Proceeds from sale of property, plant and equipment, and other assets 44,000,000 283,000,000

Other, net 10,000,000 34,000,000

Net cash used in investing activities (2,669,000,000) (1,999,000,000)

FINANCING ACTIVITIES

Net proceeds from issuance of long-term debt 6,920,000,000 1,325,000,000

Payments of long-term debt (7,259,000,000) (2,069,000,000)

Net payments of revolving line of credit 0 (200,000,000)

Debt issuance and extinguishment costs and related fees (641,000,000) (282,000,000)

Other, net (15,000,000) (15,000,000)

Net cash used in financing activities (995,000,000) (1,241,000,000)

Net increase in cash, cash equivalents and restricted cash 512,000,000 405,000,000

Cash, cash equivalents and restricted cash at beginning of period 1,900,000,000 2,248,000,000

Cash, cash equivalents and restricted cash at end of period 2,412,000,000 2,653,000,000

Supplemental cash flow information:

Income taxes (paid) refunded, net (12,000,000) 425,000,000

Interest paid (net of capitalized interest of $110 and $130) (984,000,000) (877,000,000)

Supplemental noncash information regarding financing activities:

Cancellation of term loans as part of refinancings (Note 5) (2,267,000,000) 0

Issuance of term loans as part of refinancings (Note 5) 2,267,000,000 0

Cash, cash equivalents and restricted cash:

Cash and cash equivalents 2,401,000,000 2,640,000,000

Restricted cash included in Other current assets, net 3,000,000 2,000,000

Restricted cash included in Other assets, net 8,000,000 11,000,000

Total $ 2,412,000,000 $ 2,653,000,000

v3.25.3

CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (Parenthetical) - USD ($)
$ in Millions
9 Months Ended

Sep. 30, 2025

Sep. 30, 2024

Statement of Cash Flows [Abstract]

Capitalized interest $ 110 $ 130

v3.25.3

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' (DEFICIT) EQUITY (UNAUDITED) - USD ($)
$ in Millions

Total

COMMON STOCK

ADDITIONAL PAID-IN CAPITAL

ACCUMULATED OTHER COMPREHENSIVE LOSS

ACCUMULATED DEFICIT

Balance at beginning of period at Dec. 31, 2023 $ 1,008 $ 18,126 $ (810) $ (17,907)

Increase (Decrease) in Stockholders' Equity

Net issuance of common stock through incentive and benefit plans 7

Shares withheld to satisfy tax withholdings 0 (5)

Stock-based compensation 0 21

Other 0 (2)

Other comprehensive income $ 44 44

Net loss (140) (140)

Balance at end of period at Sep. 30, 2024 342 1,015 18,140 (766) (18,047)

Balance at beginning of period at Jun. 30, 2024 1,016 18,135 (786) (17,899)

Increase (Decrease) in Stockholders' Equity

Net issuance of common stock through incentive and benefit plans (1)

Shares withheld to satisfy tax withholdings 0 (4)

Stock-based compensation 0 10

Other 0 (1)

Other comprehensive income 20 20

Net loss (148) (148)

Balance at end of period at Sep. 30, 2024 342 1,015 18,140 (766) (18,047)

Balance at beginning of period at Dec. 31, 2024 464 19,149 0 (723) (17,962)

Increase (Decrease) in Stockholders' Equity

Net issuance of common stock through incentive and benefit plans 0

Shares withheld to satisfy tax withholdings (14) 0

Stock-based compensation 35 0

Other 3 0

Other comprehensive income 76 76

Net loss (1,737) (1,737)

Balance at end of period at Sep. 30, 2025 (1,173) 19,173 0 (647) (19,699)

Balance at beginning of period at Jun. 30, 2025 19,162 0 (679) (19,078)

Increase (Decrease) in Stockholders' Equity

Net issuance of common stock through incentive and benefit plans 0

Shares withheld to satisfy tax withholdings (2) 0

Stock-based compensation 13 0

Other 0 0

Other comprehensive income 32 32

Net loss (621) (621)

Balance at end of period at Sep. 30, 2025 $ (1,173) $ 19,173 $ 0 $ (647) $ (19,699)

v3.25.3

Background
9 Months Ended

Sep. 30, 2025

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Background
Note 1— Background

General

We are a leading digital networking services company, empowering enterprise businesses to fuel growth in a multi-cloud, AI-first marketplace by connecting people, data, and applications quickly, securely, and effortlessly. We are unleashing the world's digital potential by providing a broad array of integrated products and services to our domestic and global Business customers and our domestic Mass Markets customers. We operate one of the world’s most interconnected communications networks. Our platform empowers our customers to swiftly adjust digital programs to meet immediate demands, create efficiencies, accelerate market access, and reduce costs, which allows our customers to rapidly evolve their IT programs to address dynamic changes. Our specific products and services are detailed in Note 4—Revenue Recognition.

Basis of Presentation

Our consolidated balance sheet as of December 31, 2024, which was derived from our audited consolidated financial statements, and our unaudited interim consolidated financial statements provided herein have been prepared in accordance with the instructions for Form 10-Q. Certain information and note disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America ("GAAP") have been condensed or omitted pursuant to rules and regulations of the U.S. Securities and Exchange Commission ("SEC"). However, in our opinion, the disclosures made therein are adequate to make the information presented not misleading. We believe these consolidated financial statements include all normal recurring adjustments necessary to fairly state the results for the interim periods. The consolidated results of operations and cash flows for the first nine months of the year are not necessarily indicative of the consolidated results of operations and cash flows that might be expected for the entire year. These consolidated financial statements and the accompanying notes should be read in conjunction with the audited consolidated financial statements and the notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2024.

The accompanying consolidated financial statements include our accounts and the accounts of our subsidiaries in which we have a controlling interest. Intercompany amounts and transactions with our consolidated subsidiaries have been eliminated.

To simplify the overall presentation of our consolidated financial statements, we report immaterial amounts attributable to noncontrolling interests in certain of our subsidiaries as follows: (i) income attributable to noncontrolling interests in other income, net, (ii) equity attributable to noncontrolling interests in additional paid-in capital, and (iii) cash flows from transactions attributable to noncontrolling interests in other, net financing activities.

We reclassified certain prior period amounts to conform to the current period presentation, including the recategorization of our Business revenue by product category and sales channel in our segment reporting. See Note 4—Revenue Recognition and Note 11—Segment Information for additional information. These changes had no impact on total operating revenue, total operating expenses or net loss for any period.
Summary of Significant Accounting Policies

Refer to the significant accounting policies described in Note 1— Background and Summary of Significant Accounting Policies to the consolidated financial statements and accompanying notes in Part II, Item 8 of our Annual Report on Form 10-K for the year ended December 31, 2024, as further supplemented below:

Assets Held for Sale

We classify assets and related liabilities as held for sale when: (i) management has committed to a plan to sell the assets; (ii) the net assets are available for immediate sale; (iii) there is an active program to locate a buyer; and (iv) the sale and transfer of the net assets is probable within one year. Assets and liabilities held for sale are presented separately on our consolidated balance sheets with a valuation allowance, if necessary, to recognize the net carrying amount at the lower of carrying value or fair value, less costs to sell. Depreciation of property, plant and equipment and amortization of finite-lived intangible assets and right-of-use assets are not recorded while these assets are classified as held for sale. For each reporting period that assets are classified as being held for sale, they are tested for recoverability. Unless otherwise specified, the amounts and information presented in the accompanying notes do not include assets and liabilities that have been classified as held for sale as of September 30, 2025. See Note 2 for information about our agreement to sell our Mass Markets fiber-to-the-home business in 11 states to AT&T and our classification of this business as held for sale on May 21, 2025.

Recently Adopted Accounting Pronouncements

Segments

We adopted Accounting Standards Update ("ASU") 2023-07, “Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures” for the year ended December 31, 2024. This ASU is intended to improve reportable segment disclosure requirements primarily through enhanced disclosures about significant segment expenses. The ASU does not change how a public entity identifies its operating segments, aggregates them, or applies quantitative thresholds to determine reportable segments. Refer to Note 11—Segment Information for more information on our segment reporting.

Recently Issued Accounting Pronouncements

In September 2025, the Financial Accounting Standards Board (the "FASB") issued ASU No. 2025-07 (“ASU 2025-07”), "Derivatives and Hedging (Topic 815)" and "Revenue from Contracts with Customers (Topic 606)." The guidance refines the scope of Topic 815 to clarify which contracts are subject to derivative accounting. This ASU also provides clarification under Topic 606 for share-based payments from a customer in a revenue contract. The amendments in ASU 2025-07 are effective for fiscal years beginning after December 15, 2026, and interim reporting periods, with early adoption permitted. The Company is currently evaluating ASU 2025-07 to determine the impact it may have on our consolidated financial statements.

In September 2025, the FASB issued ASU 2025-06, "Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software" ("ASU 2025-06") which amends the guidance in ASC 350-40, "Intangibles—Goodwill and Other—Internal-Use Software". This ASU modernizes the recognition and disclosure framework for internal-use software costs, removing the previous “development stage” model and introducing a more judgment-based approach. ASU 2025-06 is effective for fiscal years beginning after December 15, 2027, and for interim periods within those annual reporting periods, with early adoption permitted. The Company is currently evaluating ASU 2025-06 to determine the impact it may have on our consolidated financial statements.
In July 2025, the FASB issued ASU 2025-05 "Measurement of Credit Losses for Accounts Receivable and Contract Assets" (“ASU 2025-05”). This ASU provides entities with a practical expedient to simplify the estimation of expected credit losses on current accounts receivable and current contract assets that arise from transactions accounted for under ASC 606 by allowing the assumption that current conditions as of the balance sheet date will not change during the remaining life of the asset. This standard is effective for annual reporting periods beginning after December 15, 2025, and interim reporting periods within those annual reporting periods, with early adoption permitted. The Company is currently evaluating ASU 2025-05 to determine the impact it may have on our consolidated financial statements.

In November 2024, the FASB issued ASU 2024-04, "Debt—Debt with Conversion and Other Options (Subtopic 470-20): Induced Conversions of Convertible Debt Instruments." This ASU clarifies the requirements for determining whether certain settlements of convertible debt instruments should be accounted for as induced conversions rather than as debt extinguishments. This standard is effective for the annual period of fiscal 2026 and early adoption is permitted. As of September 30, 2025, we did not have any outstanding convertible debt instruments and do not expect this ASU will have any impact on our consolidated financial statements.

In November 2024, the FASB issued ASU 2024-03, "Disaggregation of Income Statement Expenses." This ASU requires additional footnote disclosure of the details of certain income statement expense line items as well as additional disclosure about selling expenses. This standard is effective for the annual period of fiscal 2027 and early adoption is permitted. The guidance will be applied prospectively, with the option for retrospective application. We are currently evaluating the impact the adoption of this standard will have on our disclosures.

In December 2023, the FASB issued ASU 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures.” This ASU requires that public business entities must annually (1) disclose specific categories in their rate reconciliation and (2) provide additional information for reconciling items that meet a quantitative threshold (if the effect of those reconciling items is equal to or greater than five percent of the amount computed by multiplying pretax income or loss by the applicable statutory income tax rate). This ASU will become effective for us for the annual reporting period ending December 31, 2025. The Income Taxes footnote to the consolidated financial statements included in Item 8 of Part II of our Annual Report on Form 10-K for the year ended December 31, 2025 will align with the standard. We do not anticipate this standard will affect our operating results.

v3.25.3

Planned Divestiture of the Mass Markets Fiber-to-the-Home Business
9 Months Ended

Sep. 30, 2025

Discontinued Operations and Disposal Groups [Abstract]

Planned Divestiture of the Mass Markets Fiber-to-the-Home Business
Note 2—Planned Divestiture of the Mass Markets Fiber-to-the-Home Business

On May 21, 2025, we entered into a definitive agreement to sell our Mass Markets fiber-to-the-home business in 11 states to AT&T for a pre-tax total of $5.75 billion in cash, subject to working capital and various other purchase price adjustments.

The actual amount of our net after-tax proceeds from this divestiture could vary substantially from the amounts we currently estimate, including if we experience delays in completing the transaction or if there are changes in other assumptions that impact our estimates.

We do not believe this divestiture transaction represents a strategic shift for Lumen and therefore, does not meet the criteria to be classified as a discontinued operation. As a result, we will continue to report our operating results for the Mass Markets fiber-to-the-home business (the "disposal group") in our consolidated operating results until the transaction is closed. We anticipate closing this divestiture in early 2026, upon receipt of all requisite regulatory approvals, as well as the satisfaction of other customary conditions.

As of September 30, 2025 in the accompanying consolidated balance sheet, the assets and liabilities of the disposal group are classified as held for sale and measured at the lower of (i) the carrying value when we classified the disposal group as held for sale or (ii) the fair value of the disposal group, less costs to sell. Effective with the designation of the disposal group as held for sale on May 21, 2025, we suspended recording depreciation of property, plant and equipment while these assets are classified as held for sale. We estimate that we would have recorded an additional $40 million and $62 million of depreciation for the three and nine months ended September 30, 2025, respectively, if the disposal group did not meet the held for sale criteria.
Under the terms of the purchase agreement, Lumen agreed to grant the purchaser an indefeasible right to use (“IRU”) certain Lumen retained fiber assets following the close of the transaction in order to service the transferred customer contracts. The value of these retained Lumen assets subject to the IRU is excluded from assets held for sale in the table below.

The principal components of the held for sale assets and liabilities of the disposal group as of September 30, 2025 are as follows:

September 30, 2025
(Dollars in millions)
Assets held for sale
Accounts receivable, less allowance of $1
$ 13
Other current assets, net 16
Property, plant and equipment, net of accumulated depreciation of $742
2,370
Goodwill 1,336
Other assets, net 30
Total assets held for sale $ 3,765
Liabilities held for sale
Other current liabilities $ 3
Current portion of deferred revenue 32
Other non-current liabilities 1
Total liabilities held for sale $ 36

v3.25.3

Goodwill, Customer Relationships and Other Intangible Assets
9 Months Ended

Sep. 30, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill, Customer Relationships and Other Intangible Assets
Note 3—Goodwill, Customer Relationships and Other Intangible Assets

Goodwill, customer relationships and other intangible assets consisted of the following:

September 30, 2025
December 31, 2024
(Dollars in millions)
Goodwill(1)
$ — 1,964
Indefinite-lived intangible assets $ — 9
Other intangible assets subject to amortization:
Customer relationships, less accumulated amortization of $4,796 and $4,504(2)
2,750 3,196
Capitalized software, less accumulated amortization of $3,853 and $4,067(2)
1,599 1,529
Patents and other, less accumulated amortization of $96 and $86
62 72
Total other intangible assets, net $ 4,411 4,806
______________________________________________________________________
(1)     As of September 30, 2025, this amount excluded goodwill classified as held for sale of approximately $1.3 billion. See Note 2—Planned Divestiture of the Mass Markets Fiber-to-the-Home Business.
(2)    Certain customer relationships with a gross carrying value of $161 million and capitalized software with a gross carrying value of $211 million became fully amortized during 2024 and were retired during the first quarter of 2025.

As of September 30, 2025 and December 31, 2024, the gross carrying amount of goodwill, customer relationships, indefinite-lived, and other intangible assets was $13.2 billion and $15.4 billion, respectively.

Our goodwill was derived from numerous acquisitions where the purchase price exceeded the fair value of the net assets acquired. We report our results within two segments: Business and Mass Markets. See Note 11—Segment Information for more information on these segments.
We are required to assess our goodwill and other indefinite-lived intangible assets for impairment annually, or, under certain circumstances, more frequently, such as when events or changes in circumstances indicate there may be impairment. We are required to write down the value of goodwill only when our assessment determines the carrying value of equity of any of our reporting units exceeds its fair value. Our annual impairment assessment date for goodwill is October 31, at which date we assess our reporting units.

On September 30, 2025, we had three reporting units: (i) Mass Markets, (ii) North American Business ("NA Business"), and (iii) Asia Pacific region ("APAC"). Our reporting units are not discrete legal entities with discrete full financial statements. Our assets and liabilities are deployed in, and relate to the operations of, multiple reporting units. When we assess goodwill for impairment, we compare the estimated fair value of each reporting unit's equity to the carrying value of equity that we assign to the reporting unit. If the estimated fair value of the reporting unit is greater than the carrying value, we conclude that no impairment exists. If the estimated fair value of the reporting unit is less than the carrying value, we record a non-cash impairment charge equal to the excess amount. Depending on the facts and circumstances, we typically estimate the fair value of our reporting units by considering either or both of (i) a discounted cash flow method, which is based on the present value of projected cash flows over a discrete projection period and a terminal value, which is based on the expected normalized cash flows of the reporting units following the discrete projection period, and (ii) a market approach, which includes the use of market multiples of publicly-traded companies whose services are comparable to ours.

Second Quarter 2025 Goodwill Impairment Analysis

We determined that the classification of the Mass Markets fiber-to-the-home business as held for sale as described in Note 2—Planned Divestiture of the Mass Markets Fiber-to-the-Home Business was considered an event or change in circumstance which required an assessment of our goodwill for impairment as of April 30, 2025. We performed a pre-classification goodwill impairment assessment, as of April 30, 2025, using the market approach to test for impairment prior to the classification of these assets as held for sale and to determine the fair value of our Mass Markets reporting unit for the assignment of goodwill held for sale. Applying this approach, we utilized company comparisons and analyst reports within the telecommunications industry which supported a range of fair values derived from annualized revenue and earnings before interest, tax, depreciation and amortization ("EBITDA") multiples between 1.8x and 3.1x and 5.8x and 8.0x, respectively. We reconciled the estimated fair values of the reporting units to our market capitalization as of April 30, 2025 and concluded that the indicated control premium of approximately 42% was reasonable based on recent market transactions. We concluded no impairment existed at any of our reporting units as of our April 30, 2025 assessment date.

We also performed a post-classification goodwill impairment test using the market approach to evaluate whether the fair value of our reporting units that will remain following the divestiture exceeds the carrying value of the equity of such reporting units after classification of assets held for sale and concluded the indicated control premium of approximately 4% was reasonable based on recent market transactions. As a result of this analysis, we determined that the Mass Markets reporting unit was fully impaired, resulting in us recognizing a non-cash, non-tax-deductible goodwill impairment charge of $628 million during the quarter ended June 30, 2025.

The market approach we used in the quarter ended June 30, 2025 incorporated estimates and assumptions related to the forecasted results for the remainder of the year, including revenues, expenses, and the achievement of certain strategic initiatives. In developing the market multiples applicable for each reporting unit, we considered observed trends of our industry participants. Our assessment included many factors that required significant judgment. Alternative interpretations of these factors could have resulted in different conclusions regarding the size of our impairment.

The following table shows the rollforward of goodwill assigned to our reportable segments from December 31, 2024 to September 30, 2025.

Business Mass Markets Total
(Dollars in Millions)
As of December 31, 2024(1)
$ — 1,964 1,964
Impairment — (628) (628)
Reclassified as held for sale(2)
— (1,336) (1,336)
As of September 30, 2025(1)
$ — — —
______________________________________________________________________
(1)     Goodwill at September 30, 2025 and December 31, 2024 is net of accumulated impairment losses of $22.3 billion and $21.7 billion, respectively.
(2)    Reflects the $1.3 billion of goodwill, net of accumulated impairment loss, reclassified as held for sale related to our pending divestiture. See Note 2—Planned Divestiture of the Mass Markets Fiber-to-the-Home Business

Total amortization expense for finite-lived intangible assets for the three months ended September 30, 2025 and 2024 totaled $251 million and $253 million, respectively, and for the nine months ended September 30, 2025 and 2024 totaled $751 million and $802 million, respectively.

v3.25.3

Revenue Recognition
9 Months Ended

Sep. 30, 2025

Revenue from Contract with Customer [Abstract]

Revenue Recognition
Note 4—Revenue Recognition

Product and Service Categories

We categorize our products and services revenue among the following categories for the Business segment:

•Grow, which includes existing and emerging products and services in which we are significantly investing, including our dark fiber and conduit, Edge Cloud, IP, managed security, software-defined wide area networks, Unified Communications and Collaboration, and wavelengths services;

•Nurture, which includes our more mature offerings, including ethernet, and VPN data networks services;

•Harvest, which includes our legacy services managed for cash flow, including Time Division Multiplexing voice and private line services; and

•Other, which includes equipment sales, managed and professional service solutions, and other services.

We categorize our products and services revenue among the following categories for the Mass Markets segment:

•Fiber Broadband, under which we provide high speed broadband services to residential and small business customers utilizing our fiber-based network infrastructure;

•Other Broadband, under which we provide primarily lower speed broadband services to residential and small business customers utilizing our copper-based network infrastructure; and

•Voice and Other, under which we derive revenues from (i) providing local and long-distance voice services, professional services, and other ancillary services, and (ii) federal broadband and state support programs.

Reconciliation of Total Revenue to Revenue from Contracts with Customers

The following tables provide total revenue by segment, sales channel and product category. They also provide the amount of revenue that is not subject to Accounting Standards Codification ("ASC") 606, "Revenue from Contracts with Customers" ("ASC 606"), but is instead governed by other accounting standards.

Three Months Ended September 30, 2025 Nine Months Ended September 30, 2025
Total Revenue
Adjustments for Non-ASC 606 Revenue (1)
Total revenue from Contracts with Customers Total Revenue
Adjustments for Non-ASC 606 Revenue (1)
Total Revenue from Contracts with Customers
(Dollars in millions)
Business Segment by Sales Channel and Product Category
Large Enterprise
Grow $ 451 (101) 350 1,294 (279) 1,015
Nurture 192 — 192 587 — 587
Harvest 72 — 72 226 — 226
Other 37 — 37 114 — 114
Total Large Enterprise Revenue 752 (101) 651 2,221 (279) 1,942
Mid-Market Enterprise
Grow 260 (7) 253 779 (19) 760
Nurture 146 — 146 465 — 465
Harvest 71 (1) 70 227 (3) 224
Other 11 — 11 30 — 30
Total Mid-Market Enterprise Revenue 488 (8) 480 1,501 (22) 1,479
Public Sector
Grow 151 (25) 126 450 (73) 377
Nurture 79 — 79 246 — 246
Harvest 112 — 112 357 — 357
Other 136 — 136 394 — 394
Total Public Sector Revenue 478 (25) 453 1,447 (73) 1,374
Wholesale
Grow 261 (73) 188 788 (217) 571
Nurture 160 (6) 154 507 (18) 489
Harvest 236 (34) 202 754 (107) 647
Other 1 — 1 4 — 4
Total Wholesale Revenue 658 (113) 545 2,053 (342) 1,711
International and Other
Grow 37 (1) 36 112 (3) 109
Nurture 34 — 34 106 — 106
Harvest 6 — 6 21 — 21
Other 3 — 3 9 — 9
Total International and Other 80 (1) 79 248 (3) 245
Business Segment by Product Category
Grow 1,160 (207) 953 3,423 (591) 2,832
Nurture 611 (6) 605 1,911 (18) 1,893
Harvest 497 (35) 462 1,585 (110) 1,475
Other 188 — 188 551 — 551
Total Business Segment Revenue 2,456 (248) 2,208 7,470 (719) 6,751
Mass Markets Segment by Product Category
Fiber Broadband 225 (3) 222 651 (9) 642
Other Broadband 230 (23) 207 732 (71) 661
Voice and Other 176 (7) 169 508 24 532
Total Mass Markets Revenue 631 (33) 598 1,891 (56) 1,835
Total Revenue $ 3,087 (281) 2,806 9,361 (775) 8,586

Three Months Ended September 30, 2024 Nine Months Ended September 30, 2024
Total Revenue
Adjustments for Non-ASC 606 Revenue (1)
Total revenue from Contracts with Customers Total Revenue
Adjustments for Non-ASC 606 Revenue (1)
Total Revenue from Contracts with Customers
(Dollars in millions)
Business Segment by Sales Channel and Product Category
Large Enterprise
Grow $ 390 (73) 317 1,145 (183) 962
Nurture 234 — 234 710 — 710
Harvest 94 — 94 293 — 293
Other 43 — 43 127 (1) 126
Total Large Enterprise Revenue 761 (73) 688 2,275 (184) 2,091
Mid-Market Enterprise
Grow 257 (6) 251 770 (19) 751
Nurture 186 — 186 599 — 599
Harvest 89 (1) 88 282 (3) 279
Other 10 (4) 6 30 (5) 25
Total Mid-Market Enterprise Revenue 542 (11) 531 1,681 (27) 1,654
Public Sector
Grow 133 (21) 112 386 (62) 324
Nurture 87 — 87 263 — 263
Harvest 87 (1) 86 273 (3) 270
Other 123 — 123 378 — 378
Total Public Sector Revenue 430 (22) 408 1,300 (65) 1,235
Wholesale
Grow 259 (73) 186 782 (211) 571
Nurture 183 (6) 177 561 (20) 541
Harvest 268 (35) 233 819 (110) 709
Other 2 — 2 7 — 7
Total Wholesale Revenue 712 (114) 598 2,169 (341) 1,828
International and Other
Grow 38 (1) 37 116 (3) 113
Nurture 39 — 39 122 — 122
Harvest 12 — 12 33 — 33
Other 3 — 3 10 — 10
Total International and Other 92 (1) 91 281 (3) 278
Business Segment by Product Category
Grow 1,077 (174) 903 3,199 (478) 2,721
Nurture 729 (6) 723 2,255 (20) 2,235
Harvest 550 (37) 513 1,700 (116) 1,584
Other 181 (4) 177 552 (6) 546
Total Business Segment Revenue 2,537 (221) 2,316 7,706 (620) 7,086
Mass Markets Segment by Product Category
Fiber Broadband 190 (3) 187 541 (10) 531
Other Broadband 283 (25) 258 896 (80) 816
Voice and Other 211 (5) 206 636 (23) 613
Total Mass Markets Revenue 684 (33) 651 2,073 (113) 1,960
Total Revenue $ 3,221 (254) 2,967 9,779 (733) 9,046
____________________________________________________________________
(1)Includes regulatory revenue and lease revenue not within the scope of ASC 606.

Operating Lease Revenue

We lease various dark fiber and conduit, office facilities, colocation facilities, switching facilities, other network sites, and service equipment to third parties under operating leases. Lease and sublease income are included in operating revenue in the consolidated statements of operations.

For the three months ended September 30, 2025 and 2024, our gross rental revenue was $272 million and $250 million, respectively, which represented approximately 9% and 8%, respectively, of our operating revenue for the three months ended September 30, 2025 and 2024. For the nine months ended September 30, 2025 and 2024, our gross rental revenue was $799 million and $711 million, respectively, which represented approximately 9% and 7%, respectively, of our operating revenue for the nine months ended September 30, 2025 and 2024.
Customer Receivables and Contract Balances

The following table provides balances of customer receivables, contract assets, and contract liabilities, net of amounts classified as held for sale:

September 30, 2025 December 31, 2024
(Dollars in millions)
Customer receivables, less allowance of $42 and $50(1)
$ 1,215 1,193
Contract assets
30 19
Contract liabilities(2)
675 733
______________________________________________________________________
(1)    As of September 30, 2025, this amount excluded $13 million of customer receivables, net associated with the disposal group classified as held for sale.
(2)     As of September 30, 2025, this amount excluded $33 million of contract liabilities associated with the disposal group classified as held for sale.

Contract liabilities are consideration we have received from our customers or billed in advance of providing goods or services promised in the future. We defer recognizing this consideration as revenue until we have satisfied the related performance obligation to the customer. Contract liabilities include recurring services billed one month in advance and installation, and maintenance charges that are deferred and recognized over the actual or expected contract term, which typically ranges from one to five years depending on the service. Contract liabilities are included within Deferred revenue on our consolidated balance sheets. During the three and nine months ended September 30, 2025, we recognized $60 million and $425 million, respectively, of revenue that was included in contract liabilities of $733 million as of January 1, 2025, including contract liabilities that were classified as held for sale. During the three and nine months ended September 30, 2024, we recognized $47 million and $390 million of revenue that was included in contract liabilities of $698 million as of January 1, 2024.

Performance Obligations

As of September 30, 2025, we expect to recognize approximately $5.9 billion of revenue in the future related to performance obligations associated with existing customer contracts that are partially or wholly unsatisfied. As of September 30, 2025, the transaction price related to unsatisfied performance obligations that are expected to be recognized for the remainder of 2025, 2026, and thereafter was $880 million, $2.4 billion and $2.7 billion, respectively.

These amounts exclude (i) the value of unsatisfied performance obligations for contracts for which we recognize revenue in amounts for which we have the right to invoice for services performed (for example, uncommitted usage or non-recurring charges associated with professional or technical services to be completed), (ii) contracts that are classified as leasing arrangements or government assistance that are not subject to ASC 606, and (iii) the value of unsatisfied performance obligations for contracts which relate to the disposal group classified as held for sale.
Contract Costs

The following tables provide changes in our contract acquisition costs and fulfillment costs:

Three Months Ended September 30, 2025 Nine Months Ended September 30, 2025

Acquisition Costs
Fulfillment Costs
Acquisition Costs
Fulfillment Costs
(Dollars in millions) (Dollars in millions)
Balance at beginning of period(1)
$ 210 241 203 222
Costs incurred 34 57 106 166
Amortization (30) (41) (95) (117)
Change in contract costs held for sale — (3) — (17)
Balance at end of period(2)
$ 214 254 214 254
______________________________________________________________________
(1)    The beginning balance for the three months ended September 30, 2025 excluded $14 million of fulfillment costs associated with the disposal group classified as held for sale.
(2)    The ending balance for both the three and nine months ended September 30, 2025 excluded fulfillment costs associated with the disposal group classified as held for sale of $17 million.

Three Months Ended September 30, 2024 Nine Months Ended September 30, 2024
Acquisition Costs Fulfillment Costs Acquisition Costs Fulfillment Costs
(Dollars in millions) (Dollars in millions)
Balance at beginning of period
$ 185 204 182 184
Costs incurred 36 41 104 126
Amortization (32) (36) (97) (101)
Balance at end of period
$ 189 209 189 209

Acquisition costs include commission fees paid to employees as a result of obtaining contracts. Fulfillment costs include third party and internal costs associated with the provision, installation, and activation of services to customers, including labor and materials consumed for these activities.

We amortize deferred acquisition and fulfillment costs based on the transfer of services on a straight-line basis over the average contract life of approximately 47 months for Mass Markets customers and 34 months for Business customers. We include amortized fulfillment costs in cost of services and products and amortized acquisition costs in Selling, general and administrative in our consolidated statements of operations. We include the amount of these deferred costs that are anticipated to be amortized in the next 12 months in Other current assets, net on our consolidated balance sheets. We include the amount of deferred costs expected to be amortized beyond the next 12 months in Other assets, net on our consolidated balance sheets. We assess deferred acquisition and fulfillment costs for impairment on a quarterly basis.

v3.25.3

Long-Term Debt and Credit Facilities
9 Months Ended

Sep. 30, 2025

Debt Disclosure [Abstract]

Long-Term Debt and Credit Facilities
Note 5—Long-Term Debt and Credit Facilities

At September 30, 2025, substantially all of our outstanding consolidated debt had been incurred by us or one of the following three subsidiaries, each of which has borrowed funds either on a standalone basis or as part of a separate restricted group with certain of its subsidiaries:

•Level 3 Financing, Inc. ("Level 3 Financing"), including its parent guarantor Level 3 Parent, LLC ("Level 3 Parent") and certain subsidiary guarantors;

•Qwest Corporation ("Qwest"); and

•Qwest Capital Funding, Inc., including its parent guarantor, Qwest Communications International Inc.

Each of these borrowers or borrowing groups has entered into a credit agreement with certain financial institutions or other institutional lenders or issued senior notes. Certain of these debt instruments are described further below or in Note 7—Long-Term Debt and Credit Facilities to the consolidated financial statements included in Item 8 of Part II of our Annual Report on Form 10-K for the year ended December 31, 2024.
The following table reflects the consolidated long-term debt of Lumen Technologies, Inc. and its subsidiaries as of the dates indicated below, including unamortized premiums (discounts) and unamortized debt issuance costs:

Interest Rates(1)
Maturities(1)
September 30, 2025 December 31, 2024

(Dollars in millions)
Senior Secured Debt: (2)
Lumen Technologies, Inc.
Series A Revolving Credit Facility
SOFR + 4.00%
2028 $ — —
Series B Revolving Credit Facility
SOFR + 6.00%
2028 — —
Term Loan A(3)
SOFR + 6.00%
2028 343 357
Term Loan B-1(4)
SOFR + 2.35%
2029 1,594 1,606
Term Loan B-2(4)
SOFR + 2.35%
2030 1,594 1,606
Term Loan B(5)
SOFR + 2.25%
2027 56 56
Superpriority notes
4.125% - 10.000%
2029 - 2032
1,247 1,247
Subsidiaries
Level 3 Financing, Inc.
Term Loan B-1(6)
N/A
N/A
— 1,199
Term Loan B-2(6)
N/A
N/A
— 1,199
Term Loan B-4(7)
SOFR + 3.25%
2032 2,400 —
Former Facility Tranche B Term Loan(8)
SOFR + 1.75%
2027 12 12
First Lien notes(9)
6.875% - 7.000%
2033 - 2034
4,425 3,846
Second Lien notes
3.875% - 4.875%
2029 - 2031
2,229 2,579
Unsecured Senior Notes and Other Debt:

Lumen Technologies, Inc.
Senior notes
4.500% - 7.650%
2028 - 2042
1,296 1,428
Subsidiaries:
Level 3 Financing, Inc.
Senior notes
3.625% - 4.250%
2028 - 2029
894 964
Qwest Corporation
Senior notes
6.500% - 7.750%
2030 - 2057
1,736 1,973
Qwest Capital Funding, Inc.
Senior notes
6.875% - 7.750%
2028 - 2031
169 192
Finance lease and other obligations Various Various 233 254
Unamortized discounts, net (404) (395)
Unamortized debt issuance costs (152) (217)
Total long-term debt 17,672 17,906
Less current maturities (94) (412)
Long-term debt, excluding current maturities $ 17,578 17,494
______________________________________________________________________
(1)As of September 30, 2025. All references to "SOFR" refer to the Secured Overnight Financing Rate.
(2)The debt listed under the caption “Senior Secured Debt” was either secured by assets of the issuer, guaranteed on a secured or unsecured basis by certain affiliates of the issuer, or both.
(3)Lumen's Term Loan A had an interest rate of 10.316% and 10.573% as of September 30, 2025 and December 31, 2024, respectively.
(4)Lumen's Term Loan B-1 and B-2 each had an interest rate of 6.780% and 7.037% as of September 30, 2025 and December 31, 2024, respectively.
(5)Lumen's Term Loan B had an interest rate of 6.680% and 6.937% as of September 30, 2025 and December 31, 2024, respectively.
(6)Level 3 Financing's Term Loan B-1 and B-2 each had an interest rate composition of SOFR + 6.56%, which was 11.133% as of December 31, 2024. As described below, this indebtedness was refinanced during the first quarter of 2025.
(7)Level 3 Financing's Term Loan B-4 had an interest rate composition of SOFR + 3.25%, which was 7.566% as of September 30, 2025.
(8)Level 3 Financing's Former Facility Tranche B 2027 Term Loan had an interest rate of 6.180% and 6.437% as of September 30, 2025 and December 31, 2024, respectively.
(9)Reflects Level 3 Financing's (i) Senior Secured notes issued on March 31, 2023 and (ii) First Lien notes issued on March 22, 2024, June 30, 2025, August 18, 2025, and September 8, 2025.

Long-Term Debt Maturities

Set forth below is the aggregate principal amount of our long-term debt as of September 30, 2025 (excluding unamortized discounts, net, and unamortized debt issuance costs), maturing during the following years:

(Dollars in millions)
2025 (remaining three months) $ 25
2026 89
2027 139
2028 716
2029 3,761
2030 and thereafter 13,498
Total long-term debt $ 18,228

2025 Debt Transactions

During 2025, we have completed various debt refinancing, term loan repricing, and further debt reduction transactions described below, which resulted in a $666 million net loss on early retirement of debt, recognized in our Other (expense) income, net in our consolidated statement of operations for the nine months ended September 30, 2025. Additionally, these transactions resulted in early call premiums which were funded by proceeds from our debt issuances and are reflected as Debt issuance and extinguishment costs and related fees within our financing activities in our consolidated statements of cash flow.

Second Credit Facilities Refinancing — Third Quarter 2025

On September 29, 2025, Level 3 Financing (i) refinanced all of the outstanding secured Term Loan B-3 facilities under its existing Credit Agreement, dated March 22, 2024 (the "Existing Level 3 Credit Agreement"), by and among Level 3 Financing, as borrower, Level 3 Parent, as guarantor, Wilmington Trust, National Association, as administrative agent and collateral agent, and the lenders from time to time party thereto and (ii) entered into an amendment to the Existing Level 3 Credit Agreement (collectively, the "Second Credit Facilities Transactions"). This amendment revised the Existing Level 3 Credit Agreement to, among other things, reduce the pricing on Level 3 Financing’s term loan facility and make related changes to effect such repricing. Immediately following the Second Credit Facilities Transactions, Level 3 Financing had $2.4 billion of outstanding borrowings under its new secured Term Loan B-4 facility.

The Company determined that the Second Credit Facilities Transactions constituted a debt extinguishment and recorded a loss of $56 million, which is included in our aggregate Net (loss) gain on early retirement of debt in Other (expense) income, net in our consolidated statement of operations for the three and nine months ended September 30, 2025.
First Lien Note Refinancings — Third Quarter 2025

On August 18, 2025, Level 3 Financing issued $2.0 billion of 7.000% First Lien notes due 2034. On such date, Level 3 Financing used the net proceeds from the offering, together with cash on hand, to redeem (i) all $1.4 billion aggregate principal amount of its then-outstanding First Lien 11.000% Senior Secured notes due 2029, and (ii) $305 million aggregate principal amount of its outstanding 10.750% First Lien notes due 2030, in each case including the payment of redemption premium and accrued interest, as well as related fees and expenses.

Additionally, on September 8, 2025, Level 3 Financing issued an additional $425 million aggregate principal amount of 7.000% First Lien notes due 2034. On September 14, 2025, Level 3 Financing used the net proceeds from the offering, together with cash on hand, to redeem the remaining $373 million aggregate principal amount of its outstanding 10.750% First Lien notes due 2030, including the payment of redemption premium and accrued interest, as well as related fees and expenses.

The Company determined that these refinancings constituted debt extinguishments and recorded a loss of $344 million, which is included in our aggregate Net (loss) gain on early retirement of debt in Other (expense) income, net in our consolidated statements of operations for the three and nine months ended September 30, 2025.

First Lien Note Refinancing — Second Quarter 2025

On June 30, 2025, Level 3 Financing issued $2.0 billion of 6.875% First Lien notes due 2033. On such date, Level 3 Financing used the net proceeds from the offering, together with cash on hand, to redeem (i) all $925 million aggregate principal amount of Level 3 Financing's then-outstanding First Lien 10.500% Senior Secured notes due 2030, (ii) all $668 million aggregate principal amount of Level 3 Financing’s then-outstanding 10.500% First Lien notes due 2029, and (iii) $167 million aggregate principal amount of Level 3 Financing’s outstanding 11.000% First Lien notes due 2029, in each case including the payment of redemption premium and accrued interest, as well as related fees and expenses (collectively, the "First Lien Note Refinancing").

The Company determined that the First Lien Note Refinancing constituted a debt extinguishment and recorded a loss of $236 million, which is included in our aggregate Net (loss) gain on early retirement of debt in Other (expense) income, net in our consolidated statement of operations for the nine months ended September 30, 2025.

First Credit Facilities Refinancing — First Quarter 2025

On March 27, 2025, Level 3 Financing (i) refinanced all of the outstanding secured Term Loan B-1 facilities and secured Term Loan B-2 facilities under its existing Credit Agreement, dated March 22, 2024 (the "Original Level 3 Credit Agreement"), by and among Level 3 Financing, as borrower, Level 3 Parent, as guarantor, Wilmington Trust, National Association, as administrative agent and collateral agent, and the lenders from time to time party thereto and (ii) entered into an amendment to the Original Level 3 Credit Agreement (collectively, the "First Credit Facilities Transactions"). This amendment revised the Original Level 3 Credit Agreement to, among other things, (i) reduce the pricing on Level 3 Financing’s term loan facility and make related changes to effect such repricing and (ii) extend the maturity of Level 3 Financing's term loan facility to 2032. Immediately following the First Credit Facilities Transactions, Level 3 Financing had $2.4 billion of outstanding borrowings under its new secured Term Loan B-3 facility.

The Company determined that the First Credit Facilities Transactions constituted a debt extinguishment and recorded a loss of $35 million, which is included in our aggregate Net (loss) gain on early retirement of debt in Other (expense) income, net in our consolidated statement of operations for the nine months ended September 30, 2025.
Third Quarter 2025 Cash Redemption

On September 30, 2025, Level 3 Financing fully redeemed $350 million in aggregate principal amount of its 10.000% Second Lien notes due 2032 in exchange for cash. Transaction fees related to this redemption were not significant.

First Quarter 2025 Cash Redemptions

The following table sets forth the aggregate principal amount of each series of unsecured senior notes of Lumen and Level 3 Financing fully redeemed in exchange for cash on February 15, 2025. Transaction fees related to these redemptions were not significant.

Debt Redeemed on February 15, 2025
Aggregate Principal Amount (in millions)
Lumen Technologies, Inc.
5.625% unsecured Senior notes due 2025
$ 55
7.200% unsecured Senior notes due 2025
29
5.125% unsecured Senior notes due 2026
7
4.000% unsecured Senior notes due 2027
41
Level 3 Financing, Inc.
3.400% unsecured Senior notes due 2027
5
4.625% unsecured Senior notes due 2027
65
Total
$ 202

2024 Debt Transactions

For information on various issuances, exchanges, or payments of long-term indebtedness by Lumen or its subsidiaries during 2024, see Note 7—Long-Term Debt and Credit Facilities in Item 8 of Part II of our Annual Report on Form 10-K for the year ended December 31, 2024.

Lumen Credit Agreements

Lumen is a party to (i) a Superpriority Revolving/Term A Credit Agreement, dated March 22, 2024, providing for superpriority series A and series B Revolving Credit Facilities (respectively, the “Series A Revolving Credit Facility” and “Series B Revolving Credit Facility,” and, together, the “Revolving Credit Facilities”) and a superpriority secured term loan facility (the “Lumen TLA”), (ii) a Superpriority Term B Credit Agreement, dated March 22, 2024, providing for two superpriority secured term loan facilities, maturing in 2029 and 2030, respectively (together, the “Lumen TLB”), and (iii) a credit agreement providing for Lumen's Term Loan B maturing in 2027, all of which are described in further detail in Note 7—Long-Term Debt and Credit Facilities— in Item 8 of Part II of our Annual Report on Form 10-K for the year ended December 31, 2024.

Lumen may prepay amounts outstanding under the Series B Revolving Credit Facility or Lumen TLA at anytime without premium or penalty. If no amounts are outstanding under the Series B Revolving Credit Facility, Lumen may prepay amounts outstanding under the Series A Revolving Credit Facility without premium or penalty.

Both of the Revolving Credit Facilities mature on June 1, 2028 (in each case subject to a springing maturity in certain circumstances). The Lumen TLA matures on June 1, 2028 and requires Lumen to make quarterly amortization payments of 1.25% of the initial principal amount and certain specified mandatory prepayments upon the occurrence of certain transactions.

The Lumen TLB requires Lumen to make quarterly amortization payments of 0.25% of the initial principal amount and certain specified mandatory prepayments upon the occurrence of certain transactions.
As of September 30, 2025, no borrowings were outstanding under Lumen’s (i) Series A Revolving Credit Facility, with commitments of approximately $489 million, or (ii) Series B Revolving Credit Facility, with commitments of approximately $465 million.

Level 3 Financing Credit Agreement

As of September 30, 2025, Level 3 Financing had $2.4 billion of non-amortizing secured Term Loan B-4 outstanding under the term loan facility established by the Existing Level 3 Credit Agreement.

Borrowings under the term loan facility will be, at Level 3 Financing’s option, either (i) the base rate (which is the highest of (x) the overnight federal funds rate, plus 0.50%, (y) the prime rate on such day, and (z) the one-month SOFR published on such date, plus 1.00%), plus an applicable margin, or (ii) one-, three- or six-month SOFR, plus an applicable margin. The applicable margin for SOFR loans under the term loan facility will be 3.25%. The term loan facility is subject to a SOFR floor of 0.00%.

Level 3 Financing may voluntarily prepay loans or reduce commitments under the Level 3 Credit Agreement, in whole or in part, subject to minimum amounts, with prior notice, but without premium or penalty (other than a 1.00% premium on any prepayment in connection with a repricing transaction prior to March 29, 2026). Level 3 Financing is required to prepay borrowings under the term loan facility with 100% of the net cash proceeds of certain asset sales and 100% of the net cash proceeds of certain debt issuances, in each case subject to certain exceptions.

Senior Notes of Lumen and its Subsidiaries

The Company’s consolidated indebtedness related to the senior notes of Lumen and its subsidiaries at September 30, 2025 included:

•superpriority senior secured notes issued by Lumen;

•first and second lien secured notes issued by Level 3 Financing; and

•senior unsecured notes issued by Lumen, Level 3 Financing, Qwest, and Qwest Capital Funding, Inc.

All of these notes carry fixed interest rates and all principal is due on the notes’ respective maturity dates, which rates and maturity dates are summarized in the table above.

Except for a limited number of senior notes issued by Qwest Corporation, the issuer generally can redeem the notes, at its option, in whole or in part, (i) pursuant to a fixed schedule of pre-established redemption prices, (ii) pursuant to a “make whole” redemption price, or (iii) under certain other specified limited conditions.

Revolving Letters of Credit

We use various financial instruments in the normal course of business. These instruments include letters of credit, which are conditional commitments issued on our behalf in accordance with specified terms and conditions. Lumen may draw letters of credit primarily under (i) an uncommitted $225 million revolving letter of credit facility and (ii) the Revolving Credit Facilities.

At September 30, 2025, we had $234 million undrawn letters of credit outstanding, (i) $232 million of which were issued under the Revolving Credit Facilities and (ii) $2 million of which were issued under a separate facility maintained by Lumen subsidiaries (the full amount of which is collateralized by cash that is reflected on our consolidated balance sheets as restricted cash within Other assets, net).
Certain Guarantees and Security Interests

Lumen’s obligations under its Superpriority Revolving/Term Loan A Credit Agreement are unsecured, but certain of Lumen’s subsidiaries have provided an unconditional guarantee of payment of Lumen’s obligations (such entities, the “Lumen Guarantors”) and certain of such guarantees are secured by a lien on substantially all of the assets of the applicable Lumen Guarantors. Level 3 Parent, Level 3 Financing, and certain of Level 3 Financing’s subsidiaries have provided an unconditional guarantee of payment of Lumen’s obligations under each of its Series A Revolving Credit Facility of up to $150 million and its Series B Revolving Credit Facility of up to $150 million, in each case secured by a lien on substantially all of their assets (such entities, the “Level 3 Collateral Guarantors”). The guarantee by the Level 3 Collateral Guarantors may be reduced or terminated under certain circumstances. Qwest Corporation and certain of its subsidiaries have provided an unsecured guarantee of collection of Lumen’s obligations under the Revolving Credit Facilities and Lumen TLA (such entities, the “Qwest Guarantors”).

Lumen’s obligations under the Superpriority Term Loan B Credit Agreement are unsecured. The term loans issued under this agreement are guaranteed by the Lumen Guarantors and the Qwest Guarantors on the same basis as those entities guarantee Lumen’s obligations under its Superpriority Revolving/Term Loan A Credit Agreement.

Level 3 Financing’s obligations under the Level 3 Credit Agreement are secured by a first priority lien on substantially all of its assets. In addition, the other Level 3 Collateral Guarantors have provided a guarantee of Level 3 Financing’s obligations under the Level 3 Credit Agreement secured by a lien on substantially all of their assets.

Lumen’s superpriority secured senior notes are guaranteed by the Lumen Guarantors and the Qwest Guarantors on the same basis as those entities guarantee Lumen’s obligations under its Superpriority Revolving/Term Loan A Credit Agreement (subject, in certain cases, to receipt of necessary regulatory approvals). Level 3 Financing’s obligations under its first lien notes are secured by a first priority lien on substantially all of its assets (subject, in certain cases, to receipt of necessary regulatory approvals), and are guaranteed by the other Level 3 Collateral Guarantors (or, for certain such guarantors, for certain notes, will be guaranteed upon the receipt of required regulatory approvals) on the same basis as the guarantees provided by such entities under the Level 3 Credit Agreement. Level 3 Financing’s obligations under its second lien notes are secured by a second lien on substantially all of its assets, and are guaranteed by the other Level 3 Collateral Guarantors on the same basis as the guarantees provided by such entities under the Level 3 Credit Agreement, except the lien securing such guarantees is a second lien.

Lumen's reimbursement obligations under its outstanding letters of credit are secured by guarantees issued by certain of its subsidiaries.

Level 3 Financing's obligations under its unsecured notes are guaranteed on an unsecured basis by the same affiliated entities that guarantee the Level 3 Credit Agreement and secured notes. The senior unsecured notes issued by Qwest Capital Funding, Inc. are guaranteed by its parent, Qwest Communications International Inc.

Covenants

Lumen

Under its Superpriority Revolving/Term Loan A Credit Agreement, Lumen may not permit:

(i) its maximum total net leverage ratio to exceed 5.50 to 1.00 with respect to each fiscal quarter ending after December 31, 2024 and stepping down to 5.25 to 1.00 with respect to each fiscal quarter ending after December 31, 2025; or

(ii) its interest coverage ratio as of the last day of any test period to be less than 2.00 to 1.00.

Lumen’s superpriority credit agreements and superpriority senior secured notes contain various representations and warranties and extensive affirmative and negative covenants. Such covenants include, among other things and subject to certain significant exceptions, restrictions on our ability to declare or pay dividends, repurchase stock, repay certain other indebtedness, create liens, incur additional indebtedness, make investments, engage in transactions with our affiliates, dispose of assets, and merge or consolidate with other persons.
Lumen’s senior unsecured notes were issued under four separate indentures. These indentures restrict Lumen’s ability to (i) incur, issue, or create liens upon its property and (ii) consolidate with or merge into, or transfer or lease all or substantially all of its assets to, any other party.

Under certain circumstances in connection with a “change of control” of Lumen, Lumen will be required to make an offer to repurchase substantially all of these senior notes at a price of 101% of the principal amount redeemed, plus accrued and unpaid interest.

Level 3 Financing

The Level 3 Credit Agreement and Level 3 Financing's first and second lien secured notes contain various representations and extensive affirmative and negative covenants. Such covenants include, among other things and subject to certain significant exceptions, restrictions on their ability to declare or pay dividends, repay certain other indebtedness, create liens, incur additional indebtedness, make investments, dispose of assets, and merge or consolidate with other persons. Also, under certain circumstances in connection with a “change of control” of Level 3 Parent or Level 3 Financing, Level 3 Financing will be required to make an offer to repurchase each series of its outstanding senior notes at a price of 101% of the principal amount redeemed, plus accrued and unpaid interest.

Qwest Companies

The senior notes of Qwest Corporation were issued under indentures dated April 15, 1990 and October 15, 1999. These indentures contain restrictions on the incurrence of liens and the consummation of certain transactions substantially similar to the above-described covenants in the indentures governing Lumen’s senior unsecured notes (but contain no mandatory repurchase provisions). The senior notes of Qwest Capital Funding, Inc. were issued under an indenture dated June 29, 1998 containing terms substantially similar to those set forth in Qwest Corporation's indentures.

Compliance

As of September 30, 2025, Lumen Technologies, Inc. believes it and its subsidiaries were in compliance with the provisions and financial covenants in their respective material debt agreements in all material respects.

Guarantees

Lumen does not guarantee the debt of any unaffiliated parties, but, as noted above, as of September 30, 2025, certain of its key subsidiaries have guaranteed on either a secured or unsecured basis (i) Lumen's debt outstanding under its superpriority credit agreements, its superpriority senior secured notes and unsecured senior notes issued by certain other subsidiaries and its $225 million letter of credit facility and (ii) the outstanding term loans, senior secured notes and senior unsecured notes issued by certain other subsidiaries. As further noted above, several of the subsidiaries guaranteeing these obligations have pledged substantially all of their assets to secure certain of their respective guarantees.

v3.25.3

Property, Plant and Equipment
9 Months Ended

Sep. 30, 2025

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment
Note 6—Property, Plant and Equipment

Net property, plant and equipment is composed of the following:
Depreciable
Lives September 30, 2025 December 31, 2024

(Dollars in millions)
Land N/A $ 628 630
Fiber, conduit and other outside plant (1)
15-45 years
16,447 17,348
Central office and other network electronics(2)
3-10 years
16,346 16,616
Support assets(3)
3-30 years
6,903 6,804
Construction in progress(4)
N/A 2,203 2,144
Gross property, plant and equipment 42,527 43,542
Accumulated depreciation (23,420) (23,121)
Net property, plant and equipment $ 19,107 20,421
_______________________________________________________________________________
(1)Fiber, conduit and other outside plant consists of fiber and metallic cable, conduit, poles, and other supporting structures.
(2)Central office and other network electronics consists of circuit and packet switches, routers, transmission electronics, and electronics providing service to customers.
(3)Support assets consist of buildings, data centers, computers, and other administrative and support equipment.
(4)Construction in progress includes inventory held for construction and property of the aforementioned categories that has not been placed in service as it is still under construction.

As of September 30, 2025, we classified certain property, plant and equipment, net as held for sale and discontinued recording depreciation on the disposal group. See Note 2—Planned Divestiture of the Mass Markets Fiber-to-the-Home Business.

We recorded depreciation expense of $423 million and $1.3 billion for the three and nine months ended September 30, 2025 and $454 million and $1.4 billion for the three and nine months ended September 30, 2024, respectively.

v3.25.3

Severance
9 Months Ended

Sep. 30, 2025

Restructuring and Related Activities [Abstract]

Severance
Note 7—Severance

Periodically, we reduce our workforce and accrue liabilities for the related severance costs. These workforce reductions result primarily from the progression or completion of our post-acquisition integration plans, increased competitive pressures, cost reduction initiatives, process improvements through automation, and reduced workloads due to reduced demand for certain services.

Changes in our accrued liabilities for severance expenses were as follows:

Severance

(Dollars in millions)
Balance at December 31, 2024 $ 12
Accrued to expense 35
Payments, net (28)
Balance at September 30, 2025 $ 19

v3.25.3

Employee Benefits
9 Months Ended

Sep. 30, 2025

Retirement Benefits [Abstract]

Employee Benefits
Note 8—Employee Benefits

For detailed descriptions of the various defined benefit pension plans (qualified and non-qualified), post-retirement benefits plans, and defined contribution plan we sponsor, see Note 11—Employee Benefits to the consolidated financial statements and accompanying notes in Part II, Item 8 of our Annual Report on Form 10-K for the year ended December 31, 2024.

Net periodic benefit expense for the Lumen Combined Pension Plan (the "Combined Pension Plan" or the "Plan") includes the following components:

Combined Pension Plan
Three Months Ended September 30, Nine Months Ended September 30,
2025 2024 2025
2024
(Dollars in millions)
Service cost $ 5 6 16 18
Interest cost 61 63 181 188
Expected return on plan assets (64) (68) (191) (204)
Recognition of prior service credit — (3) (1) (6)
Recognition of actuarial loss 36 28 108 82
Net periodic pension expense $ 38 26 113 78

Net periodic benefit expense for our post-retirement benefit plans includes the following components:

Post-Retirement Benefit Plans
Three Months Ended September 30, Nine Months Ended September 30,
2025 2024 2025 2024
(Dollars in millions)
Service cost $ — 1 2 3
Interest cost 22 23 66 70
Recognition of prior service credit (3) (1) (6) (5)
Recognition of actuarial gain (6) (4) (19) (13)
Special termination benefits charge — — — 2
Net periodic post-retirement benefit expense $ 13 19 43 57

Service costs for our pension and post-retirement benefit plans are included in the Cost of services and products (exclusive of depreciation and amortization) and Selling, general and administrative line items on our consolidated statements of operations and all other costs listed above are included in Other income, net on our consolidated statements of operations for the three and nine months ended September 30, 2025 and 2024. As a result of ongoing efforts to reduce our workforce, we recognized a one-time charge of $2 million during the second quarter of 2024 for special termination benefit enhancements paid to certain eligible employees upon voluntary retirement.

Our Combined Pension Plan contains provisions that allow us, from time to time, to offer lump sum payment options to certain former employees in settlement of their future retirement benefits. We record an accounting settlement charge, consisting of the recognition of certain deferred costs of the pension plan associated with these lump sum payments, only if in the aggregate they exceed or are probable to exceed the sum of the annual service and interest costs for the plan’s net periodic pension benefit cost, which represents the settlement accounting threshold. The amount of any future non-cash settlement charges will be dependent on several factors, including the total amount of our future lump sum benefit payments.
Benefits paid by the Combined Pension Plan are paid through a trust that holds the Plan's assets. The amount of required contributions to the Combined Pension Plan in 2025 and beyond will depend on a variety of factors, most of which are beyond our control, including earnings on plan investments, prevailing interest rates, demographic experience, changes in plan benefits, and changes in funding laws and regulations. We made a voluntary contribution of $170 million to the trust for the Combined Pension Plan during the third quarter of 2024. Based on current laws and circumstances, we do not expect to be required to make any additional contributions in 2025.

v3.25.3

(Loss) Earnings Per Common Share
9 Months Ended

Sep. 30, 2025

Earnings Per Share [Abstract]

(Loss) Earnings Per Common Share
Note 9—(Loss) Earnings Per Common Share

Basic and diluted loss per common share for the three and nine months ended September 30, 2025 and 2024 were calculated as follows:

Three Months Ended September 30, Nine Months Ended September 30,
2025 2024 2025 2024
(Dollars in millions, except per share amounts, shares in thousands)
Loss (numerator)
Net loss $ (621) (148) (1,737) (140)
Net loss applicable to common stock for computing basic loss per common share (621) (148) (1,737) (140)
Net loss as adjusted for purposes of computing diluted loss per common share (621) (148) (1,737) (140)
Shares (denominator):
Weighted-average number of shares:
Outstanding during period 1,026,473 1,016,211 1,023,737 1,014,473
Non-vested restricted stock (30,475) (27,417) (29,800) (27,510)
Weighted average shares outstanding for computing basic loss per common share 995,998 988,794 993,937 986,963
Incremental common shares attributable to dilutive securities:
Shares issuable under convertible securities — — — —
Shares issuable under incentive compensation plans — — — —
Number of shares as adjusted for purposes of computing diluted loss per common share 995,998 988,794 993,937 986,963
Basic loss per common share $ (0.62) (0.15) (1.75) (0.14)
Diluted loss per common share(1)
$ (0.62) (0.15) (1.75) (0.14)
______________________________________________________________________
(1)For the three and nine months ended September 30, 2025, we excluded from the calculation of diluted loss per share 11 million and 10 million shares, respectively, potentially issuable under incentive compensation plans or convertible securities, as their effect, if included, would have been anti-dilutive due to our net loss position. For the three and nine months ended September 30, 2024, we excluded from the calculation of diluted loss per share less than 12 million and 5 million shares, respectively, potentially issuable under incentive compensation plans or convertible securities, as their effect, if included, would have been anti-dilutive due to our net loss position.

Our calculation of diluted loss per common share excludes non-vested restricted stock awards that are anti-dilutive based upon the terms of the award. Such shares were 7.6 million and 11.3 million for the three months ended September 30, 2025 and 2024, respectively and 14.7 million and 18.5 million for the nine months ended September 30, 2025 and 2024, respectively.

v3.25.3

Fair Value of Financial Instruments
9 Months Ended

Sep. 30, 2025

Fair Value Disclosures [Abstract]

Fair Value of Financial Instruments
Note 10—Fair Value of Financial Instruments

Our financial instruments consist of cash, cash equivalents, restricted cash, accounts receivable, accounts payable, long-term debt (excluding finance lease and other obligations), certain equity investments, and certain indemnification obligations. Due primarily to their short-term nature, the carrying amounts of our cash, cash equivalents, restricted cash, accounts receivable, and accounts payable approximate their fair values.

Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between independent and knowledgeable parties who are willing and able to transact for an asset or liability at the measurement date. We use valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs when determining fair value and then we rank the estimated values based on the reliability of the inputs using the below-described fair value hierarchy.

We determined the fair values of our long-term debt, including the current portion, based on quoted market prices where available or, if not available, based on inputs other than quoted market prices in active markets that are either directly or indirectly observable such as discounted future cash flows using current market interest rates.

The three input levels in the hierarchy of fair value measurements are defined by the FASB generally as follows:

Input Level Description of Input
Level 1 Observable inputs such as quoted market prices in active markets.
Level 2 Inputs other than quoted prices in active markets that are either directly or indirectly observable.
Level 3 Unobservable inputs in which little or no market data exists.

The following table presents the carrying amounts and estimated fair values of our financial liabilities as of September 30, 2025 and December 31, 2024, as well as the input level used to determine the fair values indicated below:

September 30, 2025 December 31, 2024
Input
Level Carrying
Amount Fair
Value Carrying
Amount Fair
Value
(Dollars in millions)
Long-term debt, excluding finance lease and other obligations
2 $ 17,439 17,220 17,652 17,127
Indemnifications related to the sale of the Latin American business(1)
3 86 82 87 84
______________________________________________________________________
(1)Nonrecurring fair value is measured as of August 1, 2022.

v3.25.3

Segment Information
9 Months Ended

Sep. 30, 2025

Segment Reporting [Abstract]

Segment Information
Note 11—Segment Information

Our business is managed based on customer-facing sales channels to align with how we support our customers. Our chief operating decision maker ("CODM"), who is our CEO, makes decisions and assesses the performance of the Company reviewing two segments: Business and Mass Markets. Our reportable segments have not been aggregated.

Under our Business segment we provide products and services to meet the needs of our enterprise and wholesale customers under five distinct sales channels — Large Enterprise, Mid-Market Enterprise, Public Sector, Wholesale, and International and Other. For Business segment revenue, we report the following product categories: Grow, Nurture, Harvest, and Other, in each case through the sales channels outlined above.

Under our Mass Markets Segment, we provide products and services to residential and small business customers. We report the following product categories — Fiber Broadband, Other Broadband, and Voice and Other.

See detailed descriptions of these product and service categories in Note 4—Revenue Recognition.

As described in more detail below, our segments are managed based on the direct costs of providing services to their customers and directly associated headcount and non-headcount operating expenses. Shared costs are managed separately and included in "other unallocated expense" in the table included below under the heading "— Revenue and Expenses". As referenced above, we reclassified certain prior period amounts to conform to the current period presentation. See Note 1— Background for additional detail on these changes. The CODM uses adjusted EBITDA as the key indicator in assessing performance and allocating resources for both the Business segment and Mass Markets segment.

The following tables summarize our segment results for the three and nine months ended September 30, 2025 and 2024, based on the segment categorization under which we were operating at September 30, 2025.

Three Months Ended September 30, 2025 Nine Months Ended September 30, 2025
Business Mass Markets Business Mass Markets
(Dollars in millions)
Segment revenue $ 2,456 631 7,470 1,891
Segment expenses
Cost of services and products 691 13 2,120 40
Headcount costs
294 142 874 434
Non-headcount costs
363 129 1,050 372
Total segment expense 1,348 284 4,044 846
Total segment adjusted EBITDA $ 1,108 347 3,426 1,045

Three Months Ended September 30, 2024 Nine Months Ended September 30, 2024
Business Mass Markets Business Mass Markets
(Dollars in millions)
Segment revenue $ 2,537 684 7,706 2,073
Segment expenses
Cost of services and products 766 16 2,265 53
Headcount costs
300 162 948 484
Non-headcount costs
371 149 1,061 420
Total segment expense 1,437 327 4,274 957
Total segment adjusted EBITDA $ 1,100 357 3,432 1,116
Revenue and Expenses

Our segment revenue includes all revenue from our two segments as described in more detail above. Our segment revenue is based upon each customer's classification. We report our segment revenue based upon all services provided to that segment's customers. Our segment expenses include (i) specific cost of service expenses incurred as a direct result of providing services and products to segment customers, (ii) headcount costs, which primarily include salaries, commissions, and group insurance, and (iii) non-headcount costs, which primarily include legal and other professional fees, marketing and advertising expenses, other network-related expenses, and external commissions. We have not allocated assets or debt to specific segments.

The following items are excluded from our segment results, because they are centrally managed and not monitored by or reported to our chief operating decision maker by segment:

•network expenses not incurred as a direct result of providing services and products to segment customers and centrally managed expenses such as Finance, Human Resources, Legal, Marketing, Product Management, and IT, all of which are reported as "other unallocated expense" in the table below;

•depreciation and amortization expense;

•goodwill or other impairments;

•interest expense;

•stock-based compensation;

•other income and expense items; and

•income tax expense.

The following table reconciles total segment adjusted EBITDA to net loss for the three and nine months ended September 30, 2025 and 2024:

Three Months Ended September 30, Nine Months Ended September 30,
2025 2024 2025 2024
(Dollars in millions)
Total segment adjusted EBITDA $ 1,455 1,457 4,471 4,548
Depreciation and amortization (674) (707) (2,075) (2,198)
Goodwill impairment — — (628) —
Other unallocated expense (884) (614) (2,345) (2,023)
Stock-based compensation expense (13) (10) (35) (21)
Operating (loss) income (116) 126 (612) 306
Total other expense, net (697) (298) (1,595) (417)
Loss before income taxes (813) (172) (2,207) (111)
Income tax (benefit) expense (192) (24) (470) 29
Net loss $ (621) (148) (1,737) (140)

v3.25.3

Commitments, Contingencies and Other Items
9 Months Ended

Sep. 30, 2025

Commitments and Contingencies Disclosure [Abstract]

Commitments, Contingencies and Other Items
Note 12—Commitments, Contingencies and Other Items

We are subject to various claims, legal proceedings, and other contingent liabilities, including the matters described below, which individually or in the aggregate could materially affect our financial condition, future results of operations, or cash flows.

We review our litigation accrual liabilities on a quarterly basis, but in accordance with applicable accounting guidelines only establish accrual liabilities when losses are deemed probable and reasonably estimable and only revise previously established accrual liabilities when warranted by changes in circumstances, in each case based on then-available information. As such, as of any given date we could have exposure to losses under proceedings as to which no liability has been accrued or as to which the accrued liability is inadequate. Subject to these limitations, at September 30, 2025 and December 31, 2024, we had accrued $124 million and $78 million, respectively, in the aggregate for our litigation and non-income tax contingencies, which is included in Other current liabilities or Other liabilities on our consolidated balance sheets as of such dates. Although we quantify our exposure for certain matters below, we cannot at this time estimate the reasonably possible loss or range of loss, if any, in excess of our $124 million accrual at September 30, 2025 due to the inherent uncertainties and speculative nature of contested proceedings. The establishment of an accrual does not mean that actual funds have been set aside to satisfy a given contingency. Thus, the resolution of a particular contingency for the amount accrued could have no effect on our results of operations but nonetheless could have an adverse effect on our cash flows.

In this Note, a reference to a "putative" class action means a class has been alleged, but not certified, in that matter.

Principal Proceedings

Houser Shareholder Suit

Lumen and certain of its current and former officers and directors were named as defendants in a putative shareholder class action lawsuit filed on June 12, 2018 in the Boulder County District Court of the state of Colorado, captioned Houser et al. v. CenturyLink, et al. The original complaint asserted claims on behalf of a putative class of former Level 3 Communications, Inc. ("Level 3") shareholders who became CenturyLink, Inc. shareholders as a result of our acquisition of Level 3. It alleged that the proxy statement provided to the Level 3 shareholders failed to disclose various material information, including information about strategic revenue, customer loss rates, and customer account issues, among other items. The original complaint sought damages, costs and fees, rescission, rescissory damages, and other equitable relief. In May 2020, the court dismissed the original complaint. The plaintiffs appealed that decision, and in March 2022, the appellate court affirmed the district court's order in part and reversed it in part. It then remanded the case to the district court for further proceedings. The plaintiffs filed an amended complaint asserting the same claims and prayer for relief, and we filed a motion to dismiss. The court granted our motion to dismiss in May 2023 and the plaintiffs appealed that dismissal. In August 2024, the appellate court set aside the trial court's dismissal. In October 2024, we filed a petition with the Colorado Supreme Court seeking a review of the appellate court's decision, and the petition for review was granted.

Lead-Sheathed Cable Litigation

Disclosure Litigation. On September 15, 2023, a purported shareholder of Lumen filed a putative class action complaint originally captioned Glauber, et al. v. Lumen Technologies (now captioned In re Lumen Technologies, Inc. Securities Litigation II, Case 3:23-cv-01290), in the U.S. District Court for the Western District of Louisiana. The complaint alleged that Lumen and certain of its current and former officers violated the federal securities laws by omitting or misstating material information related to Lumen’s responsibility for environmental degradation allegedly caused by the lead sheathing of certain telecommunications cables. The court appointed lead plaintiffs who filed an amended complaint, seeking money damages, attorneys’ fees and costs, and other relief. On March 31, 2025, the court granted Lumen's motion to dismiss plaintiffs' claims with prejudice. On April 30, 2025, the plaintiffs filed an appeal which is captioned McLemore v. Lumen Technologies, Case 25-30264, in the U.S. Court of Appeals for the Fifth Circuit.
Derivative Litigation. On June 11, 2024, a purported shareholder of Lumen filed a shareholder derivative complaint on behalf of Lumen captioned Brown v. Johnson, et al., Case 3:24-cv-00798-TAD-KDM, in the U.S. District Court for the Western District of Louisiana. The complaint alleges claims for breach of fiduciary duty, violations of the federal securities laws, and other causes of action against current and former officers and directors of Lumen relating to placement or presence of lead-sheathed telecommunications cables. The complaint seeks damages, injunctive relief, and attorneys' fees. Substantially similar derivative cases have been filed as follows: (i) on August 9, 2024, Pourarian v. Johnson, et al., Case 3:24-cv-01071-TAD-KMM in the U.S. District Court for the Western District of Louisiana; (ii) on September 9, 2024, Capistrano v. Johnson, et al., Case 3:24-cv-01234-TAD-KMM in the U.S. District Court for the Western District of Louisiana; (iii) on September 16, 2024, Vogel v. Perry, et al., Case 2024-3360 in the 4th Judicial District Court for the Parish of Ouachita, State of Louisiana, subsequently removed on September 17, 2024 to the U.S. District Court for the Western District of Louisiana as Case 3:24-cv-01274-TAD-KMM; and (iv) on September 25, 2024, Murray v. Allen, et al., Case 3:24-cv-01320 in the U.S. District Court for the Western District of Louisiana. In April 2025, the court consolidated the Brown, Pourarian, Capistrano, and Murray actions and stayed the consolidated action pending further developments in In re Lumen Technologies, Inc. Securities Litigation II. In July 2025, the court similarly stayed the Vogel action.

Environmental Litigation

Parish of St. Mary. On July 9, 2024, a putative class action complaint was filed in the 16th Judicial District Court for the Parish of St. Mary, State of Louisiana, Case 138575, asserting claims on behalf of all parishes, municipalities, and citizens owning real properties in the State of Louisiana that have been affected by lead-sheathed telecommunications cables installed by AT&T and Lumen or their predecessors. The complaint seeks damages and injunctive relief under Louisiana state law. The case was removed to the United States District Court Western District of Louisiana Lafayette Division, Case 6:24-CV-01001-RRS-DJA. On December 6, 2024, the plaintiffs voluntarily dismissed the class action complaint without prejudice. On December 13, 2024, St. Mary’s Parish along with other parishes, municipalities, and two individuals served a notice of intent to file citizen suit under the Louisiana Environmental Quality Act, asserting claims identical to the class action which the plaintiffs voluntarily dismissed. In April 2025, the Village of Parks (one of the municipalities which had served a notice of intent to file a citizen suit) served Lumen with a petition in an action captioned Village of Parks v. Lumen Technologies, Inc., Case 95026, in the 16th Judicial District Court for the Parish of St. Martin, State of Louisiana. The Village of Parks petition seeks damages and injunctive relief under Louisiana state law relating to the above-described allegations about lead-sheathed telecommunications cables.

Blum. On November 6, 2023, a putative class action complaint was filed in the 16th Judicial District Court for the Parish of St. Mary, State of Louisiana, Case 137935, asserting claims on behalf of all citizens owning real properties in the State of Louisiana that have been affected by lead-sheathed telecommunications cables installed by AT&T, BellSouth, Verizon, and Lumen or their predecessors. The complaint seeks damages and injunctive relief under Louisiana state law. The case has been removed to Federal Court in the United States District Court Western District of Louisiana Lafayette Division, Case 6:23-CV-01748. In December 2024, the plaintiffs filed an amended complaint and a motion for remand. In September 2025, the motion to remand was denied.

State Tax Suits

Since 2012, a number of Missouri municipalities have asserted claims in the Circuit Court of St. Louis County, Missouri, alleging that we and several of our subsidiaries have underpaid taxes. These municipalities are seeking, among other things, declaratory relief regarding the application of business license and gross receipts taxes and back taxes from 2007 to the present, plus penalties and interest. In a February 2017 ruling in connection with one of these pending cases, the court entered an order awarding the plaintiffs $4 million and broadening the tax base on a going-forward basis. We appealed that decision to the Missouri Supreme Court. In December 2019, it affirmed the circuit court's order in some respects and reversed it in others, remanding the case to the circuit court for further proceedings. The Missouri Supreme Court's decision reduced our exposure in the case. In a June 2021 ruling in one of the pending cases, another trial court awarded the cities of Columbia and Joplin approximately $55 million, plus statutory interest. On appeal, the Missouri Court of Appeals affirmed in part and reversed in part, vacated the judgment and remanded the case to the trial court with instructions for further proceedings consistent with the Missouri Supreme Court's decision. In July 2025, a settlement was reached with the cities of Columbia and Joplin.
FCRA Litigation

In November 2014, a putative class action complaint captioned Bultemeyer v. CenturyLink, Inc. was filed in the United States District Court for the District of Arizona, Case CV-14-02530-PHX-SPL, alleging violations of the Fair Credit Reporting Act (the "FCRA"). In February 2017, the case was dismissed for lack of standing. The plaintiff appealed and the Ninth Circuit reversed and remanded. Class certification was contested and ultimately granted in 2023. The Ninth Circuit denied Lumen’s request to appeal the class certification ruling. A jury trial was conducted in September 2024. The jury found that CenturyLink willfully violated the FCRA and awarded each class member $500 for statutory damages and $2,000 for punitive damages. The district court denied Lumen’s post-trial motions for relief, and on October 16, 2024, Lumen filed an appeal which is captioned Bultemeyer v. CenturyLink, Inc., Case 24-6413, in the U.S. Court of Appeals for the Ninth Circuit. We have not accrued a contingent liability for this matter. While liability is possible, we have not determined it to be probable, and damages exposure, if any, is uncertain.

December 2018 Outage Proceedings

We experienced an outage on one of our transport networks that impacted voice, IP, 911, and transport services for some of our customers between the 27th and 29th of December 2018. We believe that the outage was caused by a faulty network management card from a third-party equipment vendor.

The FCC and four states initiated formal investigations. In November 2020, following the FCC's release of a public report on the outage, we negotiated a settlement which was disclosed by the FCC in December 2020. The amount of the settlement was not material to our financial statements.

In December 2020, the Staff of the Washington Utilities and Transportation Commission ("WUTC") filed a complaint against us based on the December 2018 outage, seeking penalties of approximately $7 million for alleged violations of Washington regulations and laws. The Washington Attorney General's office sought penalties of $27 million. Following trial, the WUTC issued an order imposing a penalty of approximately $1 million. On April 15, 2024, we appealed that decision to the Washington State Court of Appeals. In August 2025, the Court of Appeals denied the appeal. In September 2025, we filed a petition for review with the Washington State Supreme Court.

Latin American Tax Litigation and Claims

In connection with the 2022 divestiture of our Latin American business, the purchaser assumed responsibility for the Brazilian tax claims described in our prior periodic reports filed with the SEC. We agreed to indemnify the purchaser for amounts paid with respect to the Brazilian tax claims. The value of this indemnification and others associated with the Latin American business divestiture are included in the indemnification amount disclosed in Note 10—Fair Value of Financial Instruments. In addition, there remain other pending proceedings in Brazil, Peru, and other Latin America countries, that, if upheld, could result in a reasonably possible loss of up to approximately $81 million in excess of the amount accrued as of September 30, 2025.
Huawei Network Deployment Investigations

Lumen has received requests from the following federal agencies for information relating to the use of equipment manufactured by Huawei Technologies Company ("Huawei") in Lumen’s networks.

•DOJ. Lumen has received a civil investigative demand from the U.S. Department of Justice in the course of a False Claims Act investigation alleging that Lumen Technologies, Inc. and Lumen Technologies Government Solutions, Inc. failed to comply with certain specified requirements in federal contracts concerning their use of Huawei equipment. 

•FCC. The FCC’s Enforcement Bureau issued a Letter of Inquiry to Lumen Technologies, Inc. regarding its written certifications to the FCC that Lumen has complied with FCC rules governing the use of resources derived from the High Cost Program, Lifeline Program, Rural Health Care Program, E-Rate Program, Emergency Broadband Benefit Program, and the Affordable Connectivity Program. Under these programs, federal funds may not be used to facilitate the deployment or maintenance of equipment or services provided by Huawei, a company the FCC has determined poses a national security threat to the integrity of U.S. communications networks or the communications supply chain.

•Team Telecom. The Committee for the Assessment of Foreign Participation in the United States Telecommunications Service Sector (comprised of the U.S. Attorney General, and the Secretaries of the Department of Homeland Security, and the Department of Defense), commonly referred to as Team Telecom, issued questions and requests for information relating to Lumen’s FCC licenses and its use of Huawei equipment.

Marshall Fire Litigation

On December 30, 2021, a wildfire referred to as the Marshall Fire ignited near Boulder, Colorado. The Marshall Fire killed two people, and it burned thousands of acres, including entire neighborhoods. Approximately 300 lawsuits seeking substantial monetary relief have been filed naming as defendants our affiliate Qwest Corporation, an additional telecommunications company, and certain power companies. The complaints involving Qwest have been consolidated with Kupfner et al., v. Public Service Company of Colorado, et al., Case 2022-cv-30195 pending in Colorado District Court, Boulder, Colorado. In September 2025, the court vacated the trial date because the defendants reached agreements in principle to settle with virtually all of the plaintiffs, subject to final documentation. The court set a status conference for November 5, 2025.

Minnesota State Income Tax Audit

In May 2025, the Minnesota Department of Revenue issued an order (the "Order") denying the Company's petition for a separate allocation or separate apportionment of the taxable gain resulting from the 2022 divestiture of a portion of our incumbent local exchange carrier ("ILEC") business and making other minor adjustments. The Order seeks to assess additional income tax, penalties, and interest for the 2021 and 2022 tax years. On August 4, 2025, Lumen filed an appeal of the Order disputing this assessment, which is captioned Lumen Technologies, Inc. v. Commissioner of Revenue, Docket No. 9744-R., in the Minnesota Tax Court. The Company previously established an uncertain tax position for this item and believes that it is adequately reserved.

Other Proceedings, Disputes and Contingencies

From time to time, we are involved in other proceedings incidental to our business, including patent infringement allegations, regulatory hearings relating primarily to our rates or services, actions relating to employee claims, tax issues, or environmental law issues, grievance hearings before labor regulatory agencies, miscellaneous third-party tort actions, or commercial disputes.

We are currently defending several patent infringement lawsuits asserted against us by non-practicing entities which are seeking substantial recoveries. These cases have progressed to various stages and one or more may go to trial within the next 12 months if they are not otherwise resolved. Where applicable, we are seeking full or partial indemnification from our vendors and suppliers.
We are subject to various foreign, federal, state, and local environmental protection and health and safety laws. From time to time, we are subject to judicial and administrative proceedings brought by various governmental authorities under these laws. Several such proceedings are currently pending, but none is reasonably expected to exceed $300,000 in fines and penalties. In addition, in the past we acquired companies that had installed lead-sheathed cables several decades earlier, or had operated certain manufacturing companies in the first part of the 1900s. Under applicable environmental laws, we could be named as a potentially responsible party for a share of the remediation of environmental conditions arising from the historical operations of our predecessors.

The outcomes of these other proceedings described under this heading are not predictable. However, based on current circumstances, we do not believe that the ultimate resolution of these other proceedings, after considering available defenses and any insurance coverage or indemnification rights, will have a material adverse effect on us.

The matters listed in this Note do not reflect all our contingencies. For additional information on our contingencies, see Note 18—Commitments, Contingencies and Other Items to the consolidated financial statements and accompanying notes in Part II, Item 8 of our Annual Report on Form 10-K for the year ended December 31, 2024. The ultimate outcome of the above-described matters may differ materially from the outcomes anticipated, estimated, projected or implied by us in certain of our statements appearing above in this Note, and proceedings we currently consider insignificant may ultimately affect us materially.

v3.25.3

Other Financial Information
9 Months Ended

Sep. 30, 2025

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Other Financial Information
Note 13—Other Financial Information

Other Current Assets, net

The following table presents details of other current assets, net reflected on our consolidated balance sheets:

September 30, 2025 December 31, 2024

(Dollars in millions)
Prepaid expenses $ 370 372
Income tax receivable 444 483
Materials, supplies and inventory 163 146
Contract assets 14 16
Contract acquisition costs 106 102
Contract fulfillment costs 128 109
Other 31 22
Total other current assets, net(1)
$ 1,256 1,250
______________________________________________________________________
(1) As of September 30, 2025, this amount excludes $16 million of other current assets associated with the disposal group classified as held for sale.

Current Liabilities

Included in accounts payable at September 30, 2025 and December 31, 2024 were $289 million and $248 million, respectively, associated with capital expenditures.

Other Income, Net

Other income, net reflects certain items not directly related to our core operations, including gains and losses from non-operating asset dispositions. For the nine months ended September 30, 2024, Other income, net included a gain on sale of investment of $205 million.

v3.25.3

Accumulated Other Comprehensive Loss
9 Months Ended

Sep. 30, 2025

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Accumulated Other Comprehensive Loss
Note 14—Accumulated Other Comprehensive Loss

Information Relating to 2025

The table below summarizes changes in accumulated other comprehensive loss recorded on our consolidated balance sheet by component for the nine months ended September 30, 2025:

Pension Plans Post-Retirement Benefit Plans Foreign Currency Translation Adjustment and Other Total
(Dollars in millions)
Balance at December 31, 2024 $ (1,003) 320 (40) (723)
Other comprehensive income (loss) before reclassifications — — 14 14
Amounts reclassified from accumulated other comprehensive loss 81 (19) — 62
Net current-period other comprehensive income (loss) 81 (19) 14 76
Balance at September 30, 2025 $ (922) 301 (26) (647)

The tables below present further information about our reclassifications out of accumulated other comprehensive loss by component for the three and nine months ended September 30, 2025:

Three Months Ended September 30, 2025 Decrease (Increase)
in Net Income Affected Line Item in Consolidated Statement of Operations
(Dollars in millions)
Amortization of pension & post-retirement plans(1)

Net actuarial loss $ 30 Other income, net
Prior service credit (3) Other income, net
Total before tax 27
Income tax benefit (6) Income tax (benefit) expense
Net of tax $ 21

Nine Months Ended September 30, 2025 Decrease (Increase)
in Net Income Affected Line Item in Consolidated Statement of Operations
(Dollars in millions)
Amortization of pension & post-retirement plans(1)

Net actuarial loss $ 89 Other income, net
Prior service credit (7) Other income, net
Total before tax 82
Income tax benefit (20) Income tax (benefit) expense
Net of tax $ 62
________________________________________________________________________
(1)See Note 8—Employee Benefits for additional information on our net periodic benefit expense related to our pension and post-retirement plans.
Information Relating to 2024

The table below summarizes changes in accumulated other comprehensive loss recorded on our consolidated balance sheets by component for the nine months ended September 30, 2024:

Pension Plans Post-Retirement Benefit Plans Foreign Currency Translation Adjustment and Other Total
(Dollars in millions)
Balance at December 31, 2023 $ (1,045) 276 (41) (810)
Amounts reclassified from accumulated other comprehensive loss 57 (13) — 44
Net current-period other comprehensive income (loss) 57 (13) — 44
Balance at September 30, 2024 $ (988) 263 (41) (766)

The tables below present further information about our reclassifications out of accumulated other comprehensive loss by component for the three and nine months ended September 30, 2024:

Three Months Ended September 30, 2024 Decrease (Increase)
in Net Income Affected Line Item in Consolidated Statement of Operations
(Dollars in millions)
Amortization of pension & post-retirement plans(1)

Net actuarial loss $ 24 Other income, net
Prior service credit (4) Other income, net
Total before tax 20
Income tax benefit (5) Income tax (benefit) expense
Net of tax $ 15

Nine Months Ended September 30, 2024 Decrease (Increase)
in Net Income Affected Line Item in Consolidated Statement of Operations
(Dollars in millions)
Amortization of pension & post-retirement plans(1)

Net actuarial loss $ 69 Other income, net
Prior service credit (11) Other income, net
Total before tax 58
Income tax benefit (14) Income tax (benefit) expense
Net of tax $ 44
________________________________________________________________________
(1)See Note 8—Employee Benefits for additional information on our net periodic benefit expense related to our pension and post-retirement plans.

v3.25.3

Labor Union Contracts
9 Months Ended

Sep. 30, 2025

Risks and Uncertainties [Abstract]

Labor Union Contracts
Note 15—Labor Union Contracts

As of September 30, 2025, approximately 19% of our employees were represented by the Communications Workers of America (CWA) or the International Brotherhood of Electrical Workers (IBEW). Approximately 6% of our represented employees are subject to collective bargaining agreements that are scheduled to expire over the 12-month period ending September 30, 2026.

v3.25.3

Insider Trading Arrangements
3 Months Ended

Sep. 30, 2025

Trading Arrangements, by Individual

Rule 10b5-1 Arrangement Adopted false

Non-Rule 10b5-1 Arrangement Adopted false

Rule 10b5-1 Arrangement Terminated false

Non-Rule 10b5-1 Arrangement Terminated false

v3.25.3

Background (Policies)
9 Months Ended

Sep. 30, 2025

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation
Basis of Presentation

Our consolidated balance sheet as of December 31, 2024, which was derived from our audited consolidated financial statements, and our unaudited interim consolidated financial statements provided herein have been prepared in accordance with the instructions for Form 10-Q. Certain information and note disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America ("GAAP") have been condensed or omitted pursuant to rules and regulations of the U.S. Securities and Exchange Commission ("SEC"). However, in our opinion, the disclosures made therein are adequate to make the information presented not misleading. We believe these consolidated financial statements include all normal recurring adjustments necessary to fairly state the results for the interim periods. The consolidated results of operations and cash flows for the first nine months of the year are not necessarily indicative of the consolidated results of operations and cash flows that might be expected for the entire year. These consolidated financial statements and the accompanying notes should be read in conjunction with the audited consolidated financial statements and the notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2024.

The accompanying consolidated financial statements include our accounts and the accounts of our subsidiaries in which we have a controlling interest. Intercompany amounts and transactions with our consolidated subsidiaries have been eliminated.

To simplify the overall presentation of our consolidated financial statements, we report immaterial amounts attributable to noncontrolling interests in certain of our subsidiaries as follows: (i) income attributable to noncontrolling interests in other income, net, (ii) equity attributable to noncontrolling interests in additional paid-in capital, and (iii) cash flows from transactions attributable to noncontrolling interests in other, net financing activities.

Reclassification We reclassified certain prior period amounts to conform to the current period presentation, including the recategorization of our Business revenue by product category and sales channel in our segment reporting.

Assets Held for Sale
Assets Held for Sale
We classify assets and related liabilities as held for sale when: (i) management has committed to a plan to sell the assets; (ii) the net assets are available for immediate sale; (iii) there is an active program to locate a buyer; and (iv) the sale and transfer of the net assets is probable within one year. Assets and liabilities held for sale are presented separately on our consolidated balance sheets with a valuation allowance, if necessary, to recognize the net carrying amount at the lower of carrying value or fair value, less costs to sell. Depreciation of property, plant and equipment and amortization of finite-lived intangible assets and right-of-use assets are not recorded while these assets are classified as held for sale. For each reporting period that assets are classified as being held for sale, they are tested for recoverability. Unless otherwise specified, the amounts and information presented in the accompanying notes do not include assets and liabilities that have been classified as held for sale as of September 30, 2025.

Recently Adopted and Issued Accounting Pronouncements
Recently Adopted Accounting Pronouncements

Segments

We adopted Accounting Standards Update ("ASU") 2023-07, “Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures” for the year ended December 31, 2024. This ASU is intended to improve reportable segment disclosure requirements primarily through enhanced disclosures about significant segment expenses. The ASU does not change how a public entity identifies its operating segments, aggregates them, or applies quantitative thresholds to determine reportable segments. Refer to Note 11—Segment Information for more information on our segment reporting.

Recently Issued Accounting Pronouncements

In September 2025, the Financial Accounting Standards Board (the "FASB") issued ASU No. 2025-07 (“ASU 2025-07”), "Derivatives and Hedging (Topic 815)" and "Revenue from Contracts with Customers (Topic 606)." The guidance refines the scope of Topic 815 to clarify which contracts are subject to derivative accounting. This ASU also provides clarification under Topic 606 for share-based payments from a customer in a revenue contract. The amendments in ASU 2025-07 are effective for fiscal years beginning after December 15, 2026, and interim reporting periods, with early adoption permitted. The Company is currently evaluating ASU 2025-07 to determine the impact it may have on our consolidated financial statements.

In September 2025, the FASB issued ASU 2025-06, "Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software" ("ASU 2025-06") which amends the guidance in ASC 350-40, "Intangibles—Goodwill and Other—Internal-Use Software". This ASU modernizes the recognition and disclosure framework for internal-use software costs, removing the previous “development stage” model and introducing a more judgment-based approach. ASU 2025-06 is effective for fiscal years beginning after December 15, 2027, and for interim periods within those annual reporting periods, with early adoption permitted. The Company is currently evaluating ASU 2025-06 to determine the impact it may have on our consolidated financial statements.
In July 2025, the FASB issued ASU 2025-05 "Measurement of Credit Losses for Accounts Receivable and Contract Assets" (“ASU 2025-05”). This ASU provides entities with a practical expedient to simplify the estimation of expected credit losses on current accounts receivable and current contract assets that arise from transactions accounted for under ASC 606 by allowing the assumption that current conditions as of the balance sheet date will not change during the remaining life of the asset. This standard is effective for annual reporting periods beginning after December 15, 2025, and interim reporting periods within those annual reporting periods, with early adoption permitted. The Company is currently evaluating ASU 2025-05 to determine the impact it may have on our consolidated financial statements.

In November 2024, the FASB issued ASU 2024-04, "Debt—Debt with Conversion and Other Options (Subtopic 470-20): Induced Conversions of Convertible Debt Instruments." This ASU clarifies the requirements for determining whether certain settlements of convertible debt instruments should be accounted for as induced conversions rather than as debt extinguishments. This standard is effective for the annual period of fiscal 2026 and early adoption is permitted. As of September 30, 2025, we did not have any outstanding convertible debt instruments and do not expect this ASU will have any impact on our consolidated financial statements.

In November 2024, the FASB issued ASU 2024-03, "Disaggregation of Income Statement Expenses." This ASU requires additional footnote disclosure of the details of certain income statement expense line items as well as additional disclosure about selling expenses. This standard is effective for the annual period of fiscal 2027 and early adoption is permitted. The guidance will be applied prospectively, with the option for retrospective application. We are currently evaluating the impact the adoption of this standard will have on our disclosures.

In December 2023, the FASB issued ASU 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures.” This ASU requires that public business entities must annually (1) disclose specific categories in their rate reconciliation and (2) provide additional information for reconciling items that meet a quantitative threshold (if the effect of those reconciling items is equal to or greater than five percent of the amount computed by multiplying pretax income or loss by the applicable statutory income tax rate). This ASU will become effective for us for the annual reporting period ending December 31, 2025. The Income Taxes footnote to the consolidated financial statements included in Item 8 of Part II of our Annual Report on Form 10-K for the year ended December 31, 2025 will align with the standard. We do not anticipate this standard will affect our operating results.

v3.25.3

Planned Divestiture of the Mass Markets Fiber-to-the-Home Business (Tables)
9 Months Ended

Sep. 30, 2025

Discontinued Operations and Disposal Groups [Abstract]

Principal Components of Held for Sale Assets and Liabilities of Disposal Group
The principal components of the held for sale assets and liabilities of the disposal group as of September 30, 2025 are as follows:

September 30, 2025
(Dollars in millions)
Assets held for sale
Accounts receivable, less allowance of $1
$ 13
Other current assets, net 16
Property, plant and equipment, net of accumulated depreciation of $742
2,370
Goodwill 1,336
Other assets, net 30
Total assets held for sale $ 3,765
Liabilities held for sale
Other current liabilities $ 3
Current portion of deferred revenue 32
Other non-current liabilities 1
Total liabilities held for sale $ 36

v3.25.3

Goodwill, Customer Relationships and Other Intangible Assets (Tables)
9 Months Ended

Sep. 30, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill and Intangible Assets
Goodwill, customer relationships and other intangible assets consisted of the following:

September 30, 2025
December 31, 2024
(Dollars in millions)
Goodwill(1)
$ — 1,964
Indefinite-lived intangible assets $ — 9
Other intangible assets subject to amortization:
Customer relationships, less accumulated amortization of $4,796 and $4,504(2)
2,750 3,196
Capitalized software, less accumulated amortization of $3,853 and $4,067(2)
1,599 1,529
Patents and other, less accumulated amortization of $96 and $86
62 72
Total other intangible assets, net $ 4,411 4,806
______________________________________________________________________
(1)     As of September 30, 2025, this amount excluded goodwill classified as held for sale of approximately $1.3 billion. See Note 2—Planned Divestiture of the Mass Markets Fiber-to-the-Home Business.
(2)    Certain customer relationships with a gross carrying value of $161 million and capitalized software with a gross carrying value of $211 million became fully amortized during 2024 and were retired during the first quarter of 2025.

Schedule of Goodwill Rollforward
The following table shows the rollforward of goodwill assigned to our reportable segments from December 31, 2024 to September 30, 2025.

Business Mass Markets Total
(Dollars in Millions)
As of December 31, 2024(1)
$ — 1,964 1,964
Impairment — (628) (628)
Reclassified as held for sale(2)
— (1,336) (1,336)
As of September 30, 2025(1)
$ — — —
______________________________________________________________________
(1)     Goodwill at September 30, 2025 and December 31, 2024 is net of accumulated impairment losses of $22.3 billion and $21.7 billion, respectively.
(2)    Reflects the $1.3 billion of goodwill, net of accumulated impairment loss, reclassified as held for sale related to our pending divestiture. See Note 2—Planned Divestiture of the Mass Markets Fiber-to-the-Home Business

v3.25.3

Revenue Recognition (Tables)
9 Months Ended

Sep. 30, 2025

Revenue from Contract with Customer [Abstract]

Schedule of Revenue from External Customers by Products and Services
The following tables provide total revenue by segment, sales channel and product category. They also provide the amount of revenue that is not subject to Accounting Standards Codification ("ASC") 606, "Revenue from Contracts with Customers" ("ASC 606"), but is instead governed by other accounting standards.

Three Months Ended September 30, 2025 Nine Months Ended September 30, 2025
Total Revenue
Adjustments for Non-ASC 606 Revenue (1)
Total revenue from Contracts with Customers Total Revenue
Adjustments for Non-ASC 606 Revenue (1)
Total Revenue from Contracts with Customers
(Dollars in millions)
Business Segment by Sales Channel and Product Category
Large Enterprise
Grow $ 451 (101) 350 1,294 (279) 1,015
Nurture 192 — 192 587 — 587
Harvest 72 — 72 226 — 226
Other 37 — 37 114 — 114
Total Large Enterprise Revenue 752 (101) 651 2,221 (279) 1,942
Mid-Market Enterprise
Grow 260 (7) 253 779 (19) 760
Nurture 146 — 146 465 — 465
Harvest 71 (1) 70 227 (3) 224
Other 11 — 11 30 — 30
Total Mid-Market Enterprise Revenue 488 (8) 480 1,501 (22) 1,479
Public Sector
Grow 151 (25) 126 450 (73) 377
Nurture 79 — 79 246 — 246
Harvest 112 — 112 357 — 357
Other 136 — 136 394 — 394
Total Public Sector Revenue 478 (25) 453 1,447 (73) 1,374
Wholesale
Grow 261 (73) 188 788 (217) 571
Nurture 160 (6) 154 507 (18) 489
Harvest 236 (34) 202 754 (107) 647
Other 1 — 1 4 — 4
Total Wholesale Revenue 658 (113) 545 2,053 (342) 1,711
International and Other
Grow 37 (1) 36 112 (3) 109
Nurture 34 — 34 106 — 106
Harvest 6 — 6 21 — 21
Other 3 — 3 9 — 9
Total International and Other 80 (1) 79 248 (3) 245
Business Segment by Product Category
Grow 1,160 (207) 953 3,423 (591) 2,832
Nurture 611 (6) 605 1,911 (18) 1,893
Harvest 497 (35) 462 1,585 (110) 1,475
Other 188 — 188 551 — 551
Total Business Segment Revenue 2,456 (248) 2,208 7,470 (719) 6,751
Mass Markets Segment by Product Category
Fiber Broadband 225 (3) 222 651 (9) 642
Other Broadband 230 (23) 207 732 (71) 661
Voice and Other 176 (7) 169 508 24 532
Total Mass Markets Revenue 631 (33) 598 1,891 (56) 1,835
Total Revenue $ 3,087 (281) 2,806 9,361 (775) 8,586

Three Months Ended September 30, 2024 Nine Months Ended September 30, 2024
Total Revenue
Adjustments for Non-ASC 606 Revenue (1)
Total revenue from Contracts with Customers Total Revenue
Adjustments for Non-ASC 606 Revenue (1)
Total Revenue from Contracts with Customers
(Dollars in millions)
Business Segment by Sales Channel and Product Category
Large Enterprise
Grow $ 390 (73) 317 1,145 (183) 962
Nurture 234 — 234 710 — 710
Harvest 94 — 94 293 — 293
Other 43 — 43 127 (1) 126
Total Large Enterprise Revenue 761 (73) 688 2,275 (184) 2,091
Mid-Market Enterprise
Grow 257 (6) 251 770 (19) 751
Nurture 186 — 186 599 — 599
Harvest 89 (1) 88 282 (3) 279
Other 10 (4) 6 30 (5) 25
Total Mid-Market Enterprise Revenue 542 (11) 531 1,681 (27) 1,654
Public Sector
Grow 133 (21) 112 386 (62) 324
Nurture 87 — 87 263 — 263
Harvest 87 (1) 86 273 (3) 270
Other 123 — 123 378 — 378
Total Public Sector Revenue 430 (22) 408 1,300 (65) 1,235
Wholesale
Grow 259 (73) 186 782 (211) 571
Nurture 183 (6) 177 561 (20) 541
Harvest 268 (35) 233 819 (110) 709
Other 2 — 2 7 — 7
Total Wholesale Revenue 712 (114) 598 2,169 (341) 1,828
International and Other
Grow 38 (1) 37 116 (3) 113
Nurture 39 — 39 122 — 122
Harvest 12 — 12 33 — 33
Other 3 — 3 10 — 10
Total International and Other 92 (1) 91 281 (3) 278
Business Segment by Product Category
Grow 1,077 (174) 903 3,199 (478) 2,721
Nurture 729 (6) 723 2,255 (20) 2,235
Harvest 550 (37) 513 1,700 (116) 1,584
Other 181 (4) 177 552 (6) 546
Total Business Segment Revenue 2,537 (221) 2,316 7,706 (620) 7,086
Mass Markets Segment by Product Category
Fiber Broadband 190 (3) 187 541 (10) 531
Other Broadband 283 (25) 258 896 (80) 816
Voice and Other 211 (5) 206 636 (23) 613
Total Mass Markets Revenue 684 (33) 651 2,073 (113) 1,960
Total Revenue $ 3,221 (254) 2,967 9,779 (733) 9,046
____________________________________________________________________
(1)Includes regulatory revenue and lease revenue not within the scope of ASC 606.

Schedule of Contract with Customer, Asset and Liability
The following table provides balances of customer receivables, contract assets, and contract liabilities, net of amounts classified as held for sale:

September 30, 2025 December 31, 2024
(Dollars in millions)
Customer receivables, less allowance of $42 and $50(1)
$ 1,215 1,193
Contract assets
30 19
Contract liabilities(2)
675 733
______________________________________________________________________
(1)    As of September 30, 2025, this amount excluded $13 million of customer receivables, net associated with the disposal group classified as held for sale.
(2)     As of September 30, 2025, this amount excluded $33 million of contract liabilities associated with the disposal group classified as held for sale.

Schedule of Capitalized Contract Cost
The following tables provide changes in our contract acquisition costs and fulfillment costs:

Three Months Ended September 30, 2025 Nine Months Ended September 30, 2025

Acquisition Costs
Fulfillment Costs
Acquisition Costs
Fulfillment Costs
(Dollars in millions) (Dollars in millions)
Balance at beginning of period(1)
$ 210 241 203 222
Costs incurred 34 57 106 166
Amortization (30) (41) (95) (117)
Change in contract costs held for sale — (3) — (17)
Balance at end of period(2)
$ 214 254 214 254
______________________________________________________________________
(1)    The beginning balance for the three months ended September 30, 2025 excluded $14 million of fulfillment costs associated with the disposal group classified as held for sale.
(2)    The ending balance for both the three and nine months ended September 30, 2025 excluded fulfillment costs associated with the disposal group classified as held for sale of $17 million.

Three Months Ended September 30, 2024 Nine Months Ended September 30, 2024
Acquisition Costs Fulfillment Costs Acquisition Costs Fulfillment Costs
(Dollars in millions) (Dollars in millions)
Balance at beginning of period
$ 185 204 182 184
Costs incurred 36 41 104 126
Amortization (32) (36) (97) (101)
Balance at end of period
$ 189 209 189 209

v3.25.3

Long-Term Debt and Credit Facilities (Tables)
9 Months Ended

Sep. 30, 2025

Debt Disclosure [Abstract]

Schedule of Long-term Debt Including Unamortized Discounts and Premiums
The following table reflects the consolidated long-term debt of Lumen Technologies, Inc. and its subsidiaries as of the dates indicated below, including unamortized premiums (discounts) and unamortized debt issuance costs:

Interest Rates(1)
Maturities(1)
September 30, 2025 December 31, 2024

(Dollars in millions)
Senior Secured Debt: (2)
Lumen Technologies, Inc.
Series A Revolving Credit Facility
SOFR + 4.00%
2028 $ — —
Series B Revolving Credit Facility
SOFR + 6.00%
2028 — —
Term Loan A(3)
SOFR + 6.00%
2028 343 357
Term Loan B-1(4)
SOFR + 2.35%
2029 1,594 1,606
Term Loan B-2(4)
SOFR + 2.35%
2030 1,594 1,606
Term Loan B(5)
SOFR + 2.25%
2027 56 56
Superpriority notes
4.125% - 10.000%
2029 - 2032
1,247 1,247
Subsidiaries
Level 3 Financing, Inc.
Term Loan B-1(6)
N/A
N/A
— 1,199
Term Loan B-2(6)
N/A
N/A
— 1,199
Term Loan B-4(7)
SOFR + 3.25%
2032 2,400 —
Former Facility Tranche B Term Loan(8)
SOFR + 1.75%
2027 12 12
First Lien notes(9)
6.875% - 7.000%
2033 - 2034
4,425 3,846
Second Lien notes
3.875% - 4.875%
2029 - 2031
2,229 2,579
Unsecured Senior Notes and Other Debt:

Lumen Technologies, Inc.
Senior notes
4.500% - 7.650%
2028 - 2042
1,296 1,428
Subsidiaries:
Level 3 Financing, Inc.
Senior notes
3.625% - 4.250%
2028 - 2029
894 964
Qwest Corporation
Senior notes
6.500% - 7.750%
2030 - 2057
1,736 1,973
Qwest Capital Funding, Inc.
Senior notes
6.875% - 7.750%
2028 - 2031
169 192
Finance lease and other obligations Various Various 233 254
Unamortized discounts, net (404) (395)
Unamortized debt issuance costs (152) (217)
Total long-term debt 17,672 17,906
Less current maturities (94) (412)
Long-term debt, excluding current maturities $ 17,578 17,494
______________________________________________________________________
(1)As of September 30, 2025. All references to "SOFR" refer to the Secured Overnight Financing Rate.
(2)The debt listed under the caption “Senior Secured Debt” was either secured by assets of the issuer, guaranteed on a secured or unsecured basis by certain affiliates of the issuer, or both.
(3)Lumen's Term Loan A had an interest rate of 10.316% and 10.573% as of September 30, 2025 and December 31, 2024, respectively.
(4)Lumen's Term Loan B-1 and B-2 each had an interest rate of 6.780% and 7.037% as of September 30, 2025 and December 31, 2024, respectively.
(5)Lumen's Term Loan B had an interest rate of 6.680% and 6.937% as of September 30, 2025 and December 31, 2024, respectively.
(6)Level 3 Financing's Term Loan B-1 and B-2 each had an interest rate composition of SOFR + 6.56%, which was 11.133% as of December 31, 2024. As described below, this indebtedness was refinanced during the first quarter of 2025.
(7)Level 3 Financing's Term Loan B-4 had an interest rate composition of SOFR + 3.25%, which was 7.566% as of September 30, 2025.
(8)Level 3 Financing's Former Facility Tranche B 2027 Term Loan had an interest rate of 6.180% and 6.437% as of September 30, 2025 and December 31, 2024, respectively.
(9)Reflects Level 3 Financing's (i) Senior Secured notes issued on March 31, 2023 and (ii) First Lien notes issued on March 22, 2024, June 30, 2025, August 18, 2025, and September 8, 2025.

Schedule of Maturities of Long-Term Debt
Set forth below is the aggregate principal amount of our long-term debt as of September 30, 2025 (excluding unamortized discounts, net, and unamortized debt issuance costs), maturing during the following years:

(Dollars in millions)
2025 (remaining three months) $ 25
2026 89
2027 139
2028 716
2029 3,761
2030 and thereafter 13,498
Total long-term debt $ 18,228

Schedule of Redemptions of Debt
The following table sets forth the aggregate principal amount of each series of unsecured senior notes of Lumen and Level 3 Financing fully redeemed in exchange for cash on February 15, 2025. Transaction fees related to these redemptions were not significant.

Debt Redeemed on February 15, 2025
Aggregate Principal Amount (in millions)
Lumen Technologies, Inc.
5.625% unsecured Senior notes due 2025
$ 55
7.200% unsecured Senior notes due 2025
29
5.125% unsecured Senior notes due 2026
7
4.000% unsecured Senior notes due 2027
41
Level 3 Financing, Inc.
3.400% unsecured Senior notes due 2027
5
4.625% unsecured Senior notes due 2027
65
Total
$ 202

v3.25.3

Property, Plant and Equipment (Tables)
9 Months Ended

Sep. 30, 2025

Property, Plant and Equipment [Abstract]

Schedule of Net Property, Plant and Equipment
Net property, plant and equipment is composed of the following:
Depreciable
Lives September 30, 2025 December 31, 2024

(Dollars in millions)
Land N/A $ 628 630
Fiber, conduit and other outside plant (1)
15-45 years
16,447 17,348
Central office and other network electronics(2)
3-10 years
16,346 16,616
Support assets(3)
3-30 years
6,903 6,804
Construction in progress(4)
N/A 2,203 2,144
Gross property, plant and equipment 42,527 43,542
Accumulated depreciation (23,420) (23,121)
Net property, plant and equipment $ 19,107 20,421
_______________________________________________________________________________
(1)Fiber, conduit and other outside plant consists of fiber and metallic cable, conduit, poles, and other supporting structures.
(2)Central office and other network electronics consists of circuit and packet switches, routers, transmission electronics, and electronics providing service to customers.
(3)Support assets consist of buildings, data centers, computers, and other administrative and support equipment.
(4)Construction in progress includes inventory held for construction and property of the aforementioned categories that has not been placed in service as it is still under construction.

v3.25.3

Severance (Tables)
9 Months Ended

Sep. 30, 2025

Restructuring and Related Activities [Abstract]

Schedule of Changes in Accrued Liabilities for Severance Expenses
Changes in our accrued liabilities for severance expenses were as follows:

Severance

(Dollars in millions)
Balance at December 31, 2024 $ 12
Accrued to expense 35
Payments, net (28)
Balance at September 30, 2025 $ 19

v3.25.3

Employee Benefits (Tables)
9 Months Ended

Sep. 30, 2025

Retirement Benefits [Abstract]

Schedule of Components of Net Periodic Pension Benefit Expense and Post-retirement Benefit Expense
Net periodic benefit expense for the Lumen Combined Pension Plan (the "Combined Pension Plan" or the "Plan") includes the following components:

Combined Pension Plan
Three Months Ended September 30, Nine Months Ended September 30,
2025 2024 2025
2024
(Dollars in millions)
Service cost $ 5 6 16 18
Interest cost 61 63 181 188
Expected return on plan assets (64) (68) (191) (204)
Recognition of prior service credit — (3) (1) (6)
Recognition of actuarial loss 36 28 108 82
Net periodic pension expense $ 38 26 113 78

Net periodic benefit expense for our post-retirement benefit plans includes the following components:

Post-Retirement Benefit Plans
Three Months Ended September 30, Nine Months Ended September 30,
2025 2024 2025 2024
(Dollars in millions)
Service cost $ — 1 2 3
Interest cost 22 23 66 70
Recognition of prior service credit (3) (1) (6) (5)
Recognition of actuarial gain (6) (4) (19) (13)
Special termination benefits charge — — — 2
Net periodic post-retirement benefit expense $ 13 19 43 57

v3.25.3

(Loss) Earnings Per Common Share (Tables)
9 Months Ended

Sep. 30, 2025

Earnings Per Share [Abstract]

Schedule of Basic and Diluted (Loss) Earnings Per Common Share
Basic and diluted loss per common share for the three and nine months ended September 30, 2025 and 2024 were calculated as follows:

Three Months Ended September 30, Nine Months Ended September 30,
2025 2024 2025 2024
(Dollars in millions, except per share amounts, shares in thousands)
Loss (numerator)
Net loss $ (621) (148) (1,737) (140)
Net loss applicable to common stock for computing basic loss per common share (621) (148) (1,737) (140)
Net loss as adjusted for purposes of computing diluted loss per common share (621) (148) (1,737) (140)
Shares (denominator):
Weighted-average number of shares:
Outstanding during period 1,026,473 1,016,211 1,023,737 1,014,473
Non-vested restricted stock (30,475) (27,417) (29,800) (27,510)
Weighted average shares outstanding for computing basic loss per common share 995,998 988,794 993,937 986,963
Incremental common shares attributable to dilutive securities:
Shares issuable under convertible securities — — — —
Shares issuable under incentive compensation plans — — — —
Number of shares as adjusted for purposes of computing diluted loss per common share 995,998 988,794 993,937 986,963
Basic loss per common share $ (0.62) (0.15) (1.75) (0.14)
Diluted loss per common share(1)
$ (0.62) (0.15) (1.75) (0.14)
______________________________________________________________________
(1)For the three and nine months ended September 30, 2025, we excluded from the calculation of diluted loss per share 11 million and 10 million shares, respectively, potentially issuable under incentive compensation plans or convertible securities, as their effect, if included, would have been anti-dilutive due to our net loss position. For the three and nine months ended September 30, 2024, we excluded from the calculation of diluted loss per share less than 12 million and 5 million shares, respectively, potentially issuable under incentive compensation plans or convertible securities, as their effect, if included, would have been anti-dilutive due to our net loss position.

v3.25.3

Fair Value of Financial Instruments (Tables)
9 Months Ended

Sep. 30, 2025

Fair Value Disclosures [Abstract]

Schedule of Fair Value Measurement Inputs and Valuation Techniques
The three input levels in the hierarchy of fair value measurements are defined by the FASB generally as follows:

Input Level Description of Input
Level 1 Observable inputs such as quoted market prices in active markets.
Level 2 Inputs other than quoted prices in active markets that are either directly or indirectly observable.
Level 3 Unobservable inputs in which little or no market data exists.

Schedule of Carrying Amounts and Estimated Fair Values of Financial Assets and Liabilities
The following table presents the carrying amounts and estimated fair values of our financial liabilities as of September 30, 2025 and December 31, 2024, as well as the input level used to determine the fair values indicated below:

September 30, 2025 December 31, 2024
Input
Level Carrying
Amount Fair
Value Carrying
Amount Fair
Value
(Dollars in millions)
Long-term debt, excluding finance lease and other obligations
2 $ 17,439 17,220 17,652 17,127
Indemnifications related to the sale of the Latin American business(1)
3 86 82 87 84
______________________________________________________________________
(1)Nonrecurring fair value is measured as of August 1, 2022.

v3.25.3

Segment Information (Tables)
9 Months Ended

Sep. 30, 2025

Segment Reporting [Abstract]

Schedule of Segment Results
The following tables summarize our segment results for the three and nine months ended September 30, 2025 and 2024, based on the segment categorization under which we were operating at September 30, 2025.

Three Months Ended September 30, 2025 Nine Months Ended September 30, 2025
Business Mass Markets Business Mass Markets
(Dollars in millions)
Segment revenue $ 2,456 631 7,470 1,891
Segment expenses
Cost of services and products 691 13 2,120 40
Headcount costs
294 142 874 434
Non-headcount costs
363 129 1,050 372
Total segment expense 1,348 284 4,044 846
Total segment adjusted EBITDA $ 1,108 347 3,426 1,045

Three Months Ended September 30, 2024 Nine Months Ended September 30, 2024
Business Mass Markets Business Mass Markets
(Dollars in millions)
Segment revenue $ 2,537 684 7,706 2,073
Segment expenses
Cost of services and products 766 16 2,265 53
Headcount costs
300 162 948 484
Non-headcount costs
371 149 1,061 420
Total segment expense 1,437 327 4,274 957
Total segment adjusted EBITDA $ 1,100 357 3,432 1,116

Schedule of Reconciliation of Segment Adjusted EBITDA to Net (Loss) Income
The following table reconciles total segment adjusted EBITDA to net loss for the three and nine months ended September 30, 2025 and 2024:

Three Months Ended September 30, Nine Months Ended September 30,
2025 2024 2025 2024
(Dollars in millions)
Total segment adjusted EBITDA $ 1,455 1,457 4,471 4,548
Depreciation and amortization (674) (707) (2,075) (2,198)
Goodwill impairment — — (628) —
Other unallocated expense (884) (614) (2,345) (2,023)
Stock-based compensation expense (13) (10) (35) (21)
Operating (loss) income (116) 126 (612) 306
Total other expense, net (697) (298) (1,595) (417)
Loss before income taxes (813) (172) (2,207) (111)
Income tax (benefit) expense (192) (24) (470) 29
Net loss $ (621) (148) (1,737) (140)

v3.25.3

Other Financial Information (Tables)
9 Months Ended

Sep. 30, 2025

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of Components of Other Current Assets, Net
The following table presents details of other current assets, net reflected on our consolidated balance sheets:

September 30, 2025 December 31, 2024

(Dollars in millions)
Prepaid expenses $ 370 372
Income tax receivable 444 483
Materials, supplies and inventory 163 146
Contract assets 14 16
Contract acquisition costs 106 102
Contract fulfillment costs 128 109
Other 31 22
Total other current assets, net(1)
$ 1,256 1,250
______________________________________________________________________
(1) As of September 30, 2025, this amount excludes $16 million of other current assets associated with the disposal group classified as held for sale.

v3.25.3

Accumulated Other Comprehensive Loss (Tables)
9 Months Ended

Sep. 30, 2025

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of the Entity's Accumulated Other Comprehensive Loss by Component
The table below summarizes changes in accumulated other comprehensive loss recorded on our consolidated balance sheet by component for the nine months ended September 30, 2025:

Pension Plans Post-Retirement Benefit Plans Foreign Currency Translation Adjustment and Other Total
(Dollars in millions)
Balance at December 31, 2024 $ (1,003) 320 (40) (723)
Other comprehensive income (loss) before reclassifications — — 14 14
Amounts reclassified from accumulated other comprehensive loss 81 (19) — 62
Net current-period other comprehensive income (loss) 81 (19) 14 76
Balance at September 30, 2025 $ (922) 301 (26) (647)
The table below summarizes changes in accumulated other comprehensive loss recorded on our consolidated balance sheets by component for the nine months ended September 30, 2024:

Pension Plans Post-Retirement Benefit Plans Foreign Currency Translation Adjustment and Other Total
(Dollars in millions)
Balance at December 31, 2023 $ (1,045) 276 (41) (810)
Amounts reclassified from accumulated other comprehensive loss 57 (13) — 44
Net current-period other comprehensive income (loss) 57 (13) — 44
Balance at September 30, 2024 $ (988) 263 (41) (766)

Schedule of Reclassifications Out of Accumulated Other Comprehensive Loss by Component
The tables below present further information about our reclassifications out of accumulated other comprehensive loss by component for the three and nine months ended September 30, 2025:

Three Months Ended September 30, 2025 Decrease (Increase)
in Net Income Affected Line Item in Consolidated Statement of Operations
(Dollars in millions)
Amortization of pension & post-retirement plans(1)

Net actuarial loss $ 30 Other income, net
Prior service credit (3) Other income, net
Total before tax 27
Income tax benefit (6) Income tax (benefit) expense
Net of tax $ 21

Nine Months Ended September 30, 2025 Decrease (Increase)
in Net Income Affected Line Item in Consolidated Statement of Operations
(Dollars in millions)
Amortization of pension & post-retirement plans(1)

Net actuarial loss $ 89 Other income, net
Prior service credit (7) Other income, net
Total before tax 82
Income tax benefit (20) Income tax (benefit) expense
Net of tax $ 62
________________________________________________________________________
(1)See Note 8—Employee Benefits for additional information on our net periodic benefit expense related to our pension and post-retirement plans.
The tables below present further information about our reclassifications out of accumulated other comprehensive loss by component for the three and nine months ended September 30, 2024:

Three Months Ended September 30, 2024 Decrease (Increase)
in Net Income Affected Line Item in Consolidated Statement of Operations
(Dollars in millions)
Amortization of pension & post-retirement plans(1)

Net actuarial loss $ 24 Other income, net
Prior service credit (4) Other income, net
Total before tax 20
Income tax benefit (5) Income tax (benefit) expense
Net of tax $ 15

Nine Months Ended September 30, 2024 Decrease (Increase)
in Net Income Affected Line Item in Consolidated Statement of Operations
(Dollars in millions)
Amortization of pension & post-retirement plans(1)

Net actuarial loss $ 69 Other income, net
Prior service credit (11) Other income, net
Total before tax 58
Income tax benefit (14) Income tax (benefit) expense
Net of tax $ 44
________________________________________________________________________
(1)See Note 8—Employee Benefits for additional information on our net periodic benefit expense related to our pension and post-retirement plans.

v3.25.3

Background (Details)

May 21, 2025

state

Held for sale | Mass Markets Fiber-to-the Home Business

Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]

Number of states in which the business is conducted 11

v3.25.3

Planned Divestiture of the Mass Markets Fiber-to-the-Home Business - Additional Information (Details)
$ in Millions
3 Months Ended 9 Months Ended

Sep. 30, 2025

USD ($)

Sep. 30, 2025

USD ($)

May 21, 2025

USD ($)

state

Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]

Additional depreciation if held for sale criteria is not met $ 40 $ 62

Held for sale | Mass Markets Fiber-to-the Home Business

Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]

Number of states in which the business is conducted | state 11

Cash consideration of planned divestiture $ 5,750

v3.25.3

Planned Divestiture of the Mass Markets Fiber-to-the-Home Business - Principal Components of Held for Sale Assets and Liabilities of Disposal Group (Details) - Held for sale - Mass Markets Fiber-to-the Home Business
$ in Millions

Sep. 30, 2025

USD ($)

Assets held for sale

Accounts receivable, less allowance of $1 $ 13

Other current assets, net 16

Property, plant and equipment, net of accumulated depreciation of $742 2,370

Goodwill 1,336

Other assets, net 30

Total assets held for sale 3,765

Liabilities held for sale

Other current liabilities 3

Current portion of deferred revenue 32

Other non-current liabilities 1

Total liabilities held for sale 36

Allowance for doubtful accounts 1

Accumulated depreciation $ 742

v3.25.3

Goodwill, Customer Relationships and Other Intangible Assets - Goodwill, Customer Relationships, and Other Intangible Assets (Details) - USD ($)
$ in Millions

Sep. 30, 2025

Mar. 31, 2025

Dec. 31, 2024

Goodwill [Line Items]

Goodwill $ 0 $ 1,964

Indefinite-lived intangible assets 0 9

Total other intangible assets, net 4,411 4,806

Held for sale | Mass Markets Fiber-to-the Home Business

Goodwill [Line Items]

Goodwill 1,336

Customer Relationships

Goodwill [Line Items]

Other intangible assets subject to amortization 2,750 3,196

Accumulated amortization 4,796 4,504

Capitalized Software

Goodwill [Line Items]

Other intangible assets subject to amortization 1,599 1,529

Accumulated amortization 3,853 4,067

Patents and Other

Goodwill [Line Items]

Other intangible assets subject to amortization 62 72

Accumulated amortization $ 96 $ 86

Fully Amortized and Retired Customer Relationships

Goodwill [Line Items]

Gross carrying value $ 161

Fully Amortized and Retired Capitalized Software

Goodwill [Line Items]

Gross carrying value $ 211

v3.25.3

Goodwill, Customer Relationships and Other Intangible Assets - Additional Information (Details)
3 Months Ended 9 Months Ended

Sep. 30, 2025

USD ($)

reporting_unit

Apr. 30, 2025

USD ($)

Sep. 30, 2025

USD ($)

Jun. 30, 2025

USD ($)

Sep. 30, 2024

USD ($)

Sep. 30, 2025

USD ($)

segment

Sep. 30, 2024

USD ($)

Dec. 31, 2024

USD ($)

Goodwill [Line Items]

Intangible assets, gross (including goodwill) $ 13,200,000,000 $ 13,200,000,000 $ 13,200,000,000 $ 15,400,000,000

Number of reportable segments | segment 2

Number of reporting units | reporting_unit 3

Goodwill impairment $ 0 $ 0 0 $ 0 $ 628,000,000 $ 0

Control premium (as a percent) 42.00% 4.00%

Amortization of intangible assets $ 251,000,000 $ 253,000,000 $ 751,000,000 $ 802,000,000

Mass Market Reporting Unit

Goodwill [Line Items]

Goodwill impairment $ 628,000,000

Minimum | Measurement Input, Revenue Multiple

Goodwill [Line Items]

Goodwill impairment, measurement input 1.8

Minimum | Measurement Input, EBITDA Multiple

Goodwill [Line Items]

Goodwill impairment, measurement input 5.8

Maximum | Measurement Input, Revenue Multiple

Goodwill [Line Items]

Goodwill impairment, measurement input 3.1

Maximum | Measurement Input, EBITDA Multiple

Goodwill [Line Items]

Goodwill impairment, measurement input 8.0

v3.25.3

Goodwill, Customer Relationships and Other Intangible Assets - Rollforward Goodwill (Details) - USD ($)
3 Months Ended 9 Months Ended

Sep. 30, 2025

Apr. 30, 2025

Sep. 30, 2025

Sep. 30, 2024

Sep. 30, 2025

Sep. 30, 2024

Dec. 31, 2024

Goodwill [Line Items]

Accumulated impairment losses $ 22,300,000,000 $ 22,300,000,000 $ 22,300,000,000 $ 21,700,000,000

Goodwill [Roll Forward]

Beginning balance 1,964,000,000

Impairment 0 $ 0 0 $ 0 (628,000,000) $ 0

Reclassified as held for sale (1,336,000,000)

Ending balance 0 0 0

Held for sale | Mass Markets Fiber-to-the Home Business

Goodwill [Line Items]

Goodwill 1,336,000,000 1,336,000,000 1,336,000,000

Business

Goodwill [Roll Forward]

Beginning balance 0

Impairment 0

Reclassified as held for sale 0

Ending balance 0 0 0

Mass Markets

Goodwill [Roll Forward]

Beginning balance 1,964,000,000

Impairment (628,000,000)

Reclassified as held for sale (1,336,000,000)

Ending balance $ 0 $ 0 $ 0

v3.25.3

Revenue Recognition - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended

Sep. 30, 2025

Sep. 30, 2024

Sep. 30, 2025

Sep. 30, 2024

Dec. 31, 2024

Dec. 31, 2023

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]

Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration] OPERATING REVENUE OPERATING REVENUE OPERATING REVENUE OPERATING REVENUE

Lease revenue $ 272 $ 250 $ 799 $ 711

Percent of operating revenue 9.00% 8.00% 9.00% 7.00%

Revenue recognized $ 60 $ 47 $ 425 $ 390

Contract liabilities $ 733 $ 698

Remaining performance obligation $ 5,900 $ 5,900

Minimum

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]

Contract term 1 year

Maximum

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]

Contract term 5 years

Weighted Average | Mass Market Customers

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]

Length of customer life 47 months

Weighted Average | Business Customers

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]

Length of customer life 34 months

v3.25.3

Revenue Recognition - Contract with Customer, Asset and Liability (Details) - USD ($)
$ in Millions

Sep. 30, 2025

Dec. 31, 2024

Accounts, Notes, Loans and Financing Receivable [Line Items]

Customer receivables, less allowance $ 1,215 $ 1,193

Contract assets 30 19

Contract liabilities 675 733

Allowance 42 $ 50

Held for sale | Mass Markets Fiber-to-the Home Business

Accounts, Notes, Loans and Financing Receivable [Line Items]

Customer receivables, less allowance 13

Contract liabilities $ 33

v3.25.3

Revenue Recognition - Capitalized Contract Costs (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended

Sep. 30, 2025

Sep. 30, 2024

Sep. 30, 2025

Sep. 30, 2024

Acquisition Costs

Capitalized Contract Cost [Roll Forward]

Balance at beginning of period $ 210 $ 185 $ 203 $ 182

Costs incurred 34 36 106 104

Amortization (30) (32) (95) (97)

Change in contract costs held for sale 0 0

Balance at End of period 214 189 214 189

Fulfillment Costs

Capitalized Contract Cost [Roll Forward]

Balance at beginning of period 241 204 222 184

Costs incurred 57 41 166 126

Amortization (41) (36) (117) (101)

Change in contract costs held for sale (3) (17)

Balance at End of period 254 $ 209 254 $ 209

Fulfillment Costs | Held for sale | Mass Markets Fiber-to-the Home Business

Capitalized Contract Cost [Roll Forward]

Balance at beginning of period 14

Balance at End of period $ 17 $ 17

v3.25.3

Long-Term Debt and Credit Facilities - Long-Term Debt Maturities (Details)
$ in Millions

Sep. 30, 2025

USD ($)

Debt Disclosure [Abstract]

2025 (remaining three months) $ 25

2026 89

2027 139

2028 716

2029 3,761

2030 and thereafter 13,498

Total long-term debt $ 18,228

v3.25.3

Long-Term Debt and Credit Facilities - Credit Facilities Transactions (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended

Sep. 30, 2025

Sep. 30, 2024

Sep. 30, 2025

Sep. 30, 2024

Mar. 27, 2025

Long-term Debt and Credit Facilities

Net loss (gain) on early retirement of debt $ 395 $ 1 $ 666 $ (277)

Level 3 Financing, Inc. | Term Loan B-3 | Term Loan

Long-term Debt and Credit Facilities

Net loss (gain) on early retirement of debt $ 56 56

Level 3 Financing, Inc. | Term Loan B-3 | Term Loan

Long-term Debt and Credit Facilities

Long-term debt, gross $ 2,400

Level 3 Financing, Inc. | Term Loan B-1 and Term Loan B-2 | Term Loan

Long-term Debt and Credit Facilities

Net loss (gain) on early retirement of debt $ 35

v3.25.3

Long-Term Debt and Credit Facilities - Level 3 Financing Credit Agreement (Details) - Level 3 Financing, Inc. - Term Loan B-3 - Term Loan - USD ($)
$ in Billions
9 Months Ended

Sep. 30, 2025

Mar. 27, 2025

Long-term Debt and Credit Facilities

Long-term debt, gross $ 2.4

Debt instrument, floor interest rate (as a percent) 0.00%

Debt instrument, prepayment premium (as a percent) 1.00%

Prepayment from net cash proceeds of certain asset sales (as a percent) 100.00%

Prepayment from net cash proceeds of certain debt issuances (as a percent) 100.00%

Federal Funds Rate

Long-term Debt and Credit Facilities

Basis spread (as a percent) 0.50%

One Month SOFR Rate

Long-term Debt and Credit Facilities

Basis spread (as a percent) 1.00%

SOFR

Long-term Debt and Credit Facilities

Basis spread (as a percent) 3.25%

v3.25.3

Long-Term Debt and Credit Facilities - Revolving Letters of Credit (Details)
$ in Millions

Sep. 30, 2025

USD ($)

Long-term Debt and Credit Facilities

Letters of credit outstanding $ 234

Facility Maintained By a Subsidiary

Long-term Debt and Credit Facilities

Letters of credit outstanding 2

Letter of Credit | Uncommitted Letter of Credit Facility

Long-term Debt and Credit Facilities

Maximum borrowing capacity 225

Revolving Credit Facility

Long-term Debt and Credit Facilities

Letters of credit outstanding $ 232

v3.25.3

Long-Term Debt and Credit Facilities - Certain Guarantees and Security Interests (Details) - Financial Guarantee
$ in Millions

Sep. 30, 2025

USD ($)

Series A Revolving Credit Facility

Long-term Debt and Credit Facilities

Guaranteed amount $ 150

Series B Revolving Credit Facility

Long-term Debt and Credit Facilities

Guaranteed amount $ 150

v3.25.3

Long-Term Debt and Credit Facilities - Covenants and Guarantees (Details)
$ in Millions
9 Months Ended

Sep. 30, 2025

USD ($)

indenture

Letter of Credit | Uncommitted Letter of Credit Facility

Long-term Debt and Credit Facilities

Maximum borrowing capacity | $ $ 225

Line of Credit and Term Loan | Minimum

Long-term Debt and Credit Facilities

Interest coverage ratio 2.00

Senior Notes

Long-term Debt and Credit Facilities

Number of indentures | indenture 4

Redemption price (as a percent) 101.00%

Senior Notes | Level 3 Financing, Inc.

Long-term Debt and Credit Facilities

Redemption price (as a percent) 101.00%

Fiscal Quarter Ending After December 31, 2024 | Line of Credit and Term Loan

Long-term Debt and Credit Facilities

Maximum total net leverage ratio 5.50

Fiscal Quarter Ending After December 31, 2025 | Line of Credit and Term Loan

Long-term Debt and Credit Facilities

Maximum total net leverage ratio 5.25

v3.25.3

Property, Plant and Equipment - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended

Sep. 30, 2025

Sep. 30, 2024

Sep. 30, 2025

Sep. 30, 2024

Property, Plant and Equipment [Abstract]

Depreciation $ 423 $ 454 $ 1,300 $ 1,400

v3.25.3

Severance - Accrued Liabilities for Severance Expenses (Details) - Severance
$ in Millions
9 Months Ended

Sep. 30, 2025

USD ($)

Restructuring reserve

Balance at the beginning of the period $ 12

Accrued to expense 35

Payments, net (28)

Balance at the end of the period $ 19

v3.25.3

Employee Benefits - Net Periodic Benefit (Income) Expense (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended

Sep. 30, 2025

Sep. 30, 2024

Sep. 30, 2025

Sep. 30, 2024

Combined Pension Plan

Components of net periodic (benefit) expense

Service cost $ 5 $ 6 $ 16 $ 18

Interest cost 61 63 181 188

Expected return on plan assets (64) (68) (191) (204)

Recognition of prior service credit 0 (3) (1) (6)

Recognition of actuarial (gain) loss 36 28 108 82

Net periodic expense 38 26 113 78

Post-Retirement Benefit Plans

Components of net periodic (benefit) expense

Service cost 0 1 2 3

Interest cost 22 23 66 70

Recognition of prior service credit (3) (1) (6) (5)

Recognition of actuarial (gain) loss (6) (4) (19) (13)

Special termination benefits charge 0 0 0 2

Net periodic expense $ 13 $ 19 $ 43 $ 57

v3.25.3

Employee Benefits - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended

Sep. 30, 2024

Jun. 30, 2024

Employee Benefits

Benefit obligation $ 2

Combined Pension Plan

Employee Benefits

Contributions $ 170

v3.25.3

(Loss) Earnings Per Common Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
3 Months Ended 9 Months Ended

Sep. 30, 2025

Sep. 30, 2024

Sep. 30, 2025

Sep. 30, 2024

Loss (numerator)

Net loss $ (621) $ (148) $ (1,737) $ (140)

Net loss applicable to common stock for computing basic loss per common share (621) (148) (1,737) (140)

Net loss as adjusted for purposes of computing diluted loss per common share $ (621) $ (148) $ (1,737) $ (140)

Weighted-average number of shares:

Outstanding during period (in shares) 1,026,473 1,016,211 1,023,737 1,014,473

Non-vested restricted stock (in shares) (30,475) (27,417) (29,800) (27,510)

Weighted average shares outstanding for computing basic loss per common share (in shares) 995,998 988,794 993,937 986,963

Incremental common shares attributable to dilutive securities:

Shares issuable under convertible securities (in shares) 0 0 0 0

Shares issuable under incentive compensation plans (in shares) 0 0 0 0

Number of shares as adjusted for purposes of computing diluted earnings (loss) per common share (in shares) 995,998 988,794 993,937 986,963

Basic loss per common share (in dollars per share) $ (0.62) $ (0.15) $ (1.75) $ (0.14)

Diluted loss per common share (in dollars per share) $ (0.62) $ (0.15) $ (1.75) $ (0.14)

Incentive compensation plans or convertible securities

Incremental common shares attributable to dilutive securities:

Number of shares of common stock excluded from the computation of diluted earnings per share (in shares) 11,000 12,000 10,000 5,000

Restricted stock

Incremental common shares attributable to dilutive securities:

Number of shares of common stock excluded from the computation of diluted earnings per share (in shares) 7,600 11,300 14,700 18,500

v3.25.3

Fair Value of Financial Instruments - Carrying Amounts (Details) - USD ($)
$ in Millions

Sep. 30, 2025

Dec. 31, 2024

Fair Value Inputs, Level 2 | Carrying Amount

Fair value disclosure

Long-term debt, excluding finance lease and other obligations $ 17,439 $ 17,652

Fair Value Inputs, Level 2 | Fair Value

Fair value disclosure

Long-term debt, excluding finance lease and other obligations 17,220 17,127

Fair Value, Inputs, Level 3 | Carrying Amount

Fair value disclosure

Indemnifications related to the sale of the Latin American business 86 87

Fair Value, Inputs, Level 3 | Fair Value

Fair value disclosure

Indemnifications related to the sale of the Latin American business $ 82 $ 84

v3.25.3

Segment Information - Additional Information (Details)
9 Months Ended

Sep. 30, 2025

sales_channel

segment

Segment Reporting Information [Line Items]

Number of operating segments | segment 2

Business

Segment Reporting Information [Line Items]

Number of sales channels | sales_channel 5

v3.25.3

Segment Information - Segment Results and Operating Revenue (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended

Sep. 30, 2025

Sep. 30, 2024

Sep. 30, 2025

Sep. 30, 2024

Operating revenues by products and services

Segment revenue $ 3,087 $ 3,221 $ 9,361 $ 9,779

Cost of services and products 1,700 1,692 5,011 4,997

Business

Operating revenues by products and services

Segment revenue 2,456 2,537 7,470 7,706

Cost of services and products 691 766 2,120 2,265

Headcount costs 294 300 874 948

Non-headcount costs 363 371 1,050 1,061

Total segment expense 1,348 1,437 4,044 4,274

Total segment adjusted EBITDA 1,108 1,100 3,426 3,432

Mass Markets

Operating revenues by products and services

Segment revenue 631 684 1,891 2,073

Cost of services and products 13 16 40 53

Headcount costs 142 162 434 484

Non-headcount costs 129 149 372 420

Total segment expense 284 327 846 957

Total segment adjusted EBITDA $ 347 $ 357 $ 1,045 $ 1,116

v3.25.3

Segment Information - Reconciliation (Details) - USD ($)
3 Months Ended 9 Months Ended

Sep. 30, 2025

Apr. 30, 2025

Sep. 30, 2025

Sep. 30, 2024

Sep. 30, 2025

Sep. 30, 2024

Segment Reporting Information [Line Items]

Depreciation and amortization $ (674,000,000) $ (707,000,000) $ (2,075,000,000) $ (2,198,000,000)

Goodwill impairment $ 0 $ 0 0 0 (628,000,000) 0

OPERATING (LOSS) INCOME (116,000,000) 126,000,000 (612,000,000) 306,000,000

Total other expense, net (697,000,000) (298,000,000) (1,595,000,000) (417,000,000)

LOSS BEFORE INCOME TAXES (813,000,000) (172,000,000) (2,207,000,000) (111,000,000)

Income tax (benefit) expense (192,000,000) (24,000,000) (470,000,000) 29,000,000

NET LOSS (621,000,000) (148,000,000) (1,737,000,000) (140,000,000)

Operating Segments

Segment Reporting Information [Line Items]

Total segment adjusted EBITDA 1,455,000,000 1,457,000,000 4,471,000,000 4,548,000,000

Segment Reconciling Items

Segment Reporting Information [Line Items]

Depreciation and amortization (674,000,000) (707,000,000) (2,075,000,000) (2,198,000,000)

Goodwill impairment 0 0 (628,000,000) 0

Other unallocated expense (884,000,000) (614,000,000) (2,345,000,000) (2,023,000,000)

Stock-based compensation expense (13,000,000) (10,000,000) (35,000,000) (21,000,000)

OPERATING (LOSS) INCOME (116,000,000) 126,000,000 (612,000,000) 306,000,000

Total other expense, net $ (697,000,000) $ (298,000,000) $ (1,595,000,000) $ (417,000,000)

v3.25.3

Other Financial Information - Other Current Assets, Net (Details) - USD ($)
$ in Millions

Sep. 30, 2025

Dec. 31, 2024

Prepaid Expenses and Other Current Assets [Abstract]

Prepaid expenses $ 370 $ 372

Income tax receivable 444 483

Materials, supplies and inventory 163 146

Contract assets 14 16

Other 31 22

Total other current assets, net 1,256 1,250

Held for sale | Mass Markets Fiber-to-the Home Business

Other Current Assets [Line Items]

Other current assets, net 16

Acquisition Costs

Prepaid Expenses and Other Current Assets [Abstract]

Contract costs 106 102

Fulfillment Costs

Prepaid Expenses and Other Current Assets [Abstract]

Contract costs $ 128 $ 109

v3.25.3

Other Financial Information - Current Liabilities (Details) - USD ($)
$ in Millions
9 Months Ended 12 Months Ended

Sep. 30, 2025

Dec. 31, 2024

Other Current Assets [Line Items]

Capital expenditures included in accounts payable $ 289 $ 248

v3.25.3

Other Financial Information - Other Income, Net (Details) - USD ($)
$ in Millions
9 Months Ended

Sep. 30, 2025

Sep. 30, 2024

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Gain on sale of investment $ 0 $ 205

v3.25.3

Accumulated Other Comprehensive Loss - AOCI Activity (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended

Sep. 30, 2025

Sep. 30, 2024

Sep. 30, 2025

Sep. 30, 2024

AOCI Attributable to Parent, Net of Tax [Roll Forward]

Balance at beginning of period $ 464

Other comprehensive income (loss) before reclassifications 14

Amounts reclassified from accumulated other comprehensive loss 62 $ 44

Other comprehensive income $ 32 $ 20 76 44

Balance at end of period (1,173) 342 (1,173) 342

Accumulated Other Comprehensive Loss

AOCI Attributable to Parent, Net of Tax [Roll Forward]

Balance at beginning of period (679) (786) (723) (810)

Other comprehensive income 32 20 76 44

Balance at end of period (647) (766) (647) (766)

Defined Benefit Plan | Pension Plans

AOCI Attributable to Parent, Net of Tax [Roll Forward]

Balance at beginning of period (1,003) (1,045)

Other comprehensive income (loss) before reclassifications 0

Amounts reclassified from accumulated other comprehensive loss 81 57

Other comprehensive income 81 57

Balance at end of period (922) (988) (922) (988)

Defined Benefit Plan | Post-Retirement Benefit Plans

AOCI Attributable to Parent, Net of Tax [Roll Forward]

Balance at beginning of period 320 276

Other comprehensive income (loss) before reclassifications 0

Amounts reclassified from accumulated other comprehensive loss (19) (13)

Other comprehensive income (19) (13)

Balance at end of period 301 263 301 263

Foreign Currency Translation Adjustment and Other

AOCI Attributable to Parent, Net of Tax [Roll Forward]

Balance at beginning of period (40) (41)

Other comprehensive income (loss) before reclassifications 14

Amounts reclassified from accumulated other comprehensive loss 0 0

Other comprehensive income 14 0

Balance at end of period $ (26) $ (41) $ (26) $ (41)

v3.25.3

Accumulated Other Comprehensive Loss - Reclassifications (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended

Sep. 30, 2025

Sep. 30, 2024

Sep. 30, 2025

Sep. 30, 2024

Reclassifications out of accumulated other comprehensive income loss by component

Other income, net $ (17) $ (54) $ (75) $ (321)

Total before tax 813 172 2,207 111

Income tax (benefit) expense (192) (24) (470) 29

Net of tax 621 148 1,737 140

Decrease (Increase) in Net Income | Defined Benefit Plan

Reclassifications out of accumulated other comprehensive income loss by component

Total before tax 27 20 82 58

Income tax (benefit) expense (6) (5) (20) (14)

Net of tax 21 15 62 44

Decrease (Increase) in Net Income | Net actuarial loss

Reclassifications out of accumulated other comprehensive income loss by component

Other income, net 30 24 89 69

Decrease (Increase) in Net Income | Prior service credit

Reclassifications out of accumulated other comprehensive income loss by component

Other income, net $ (3) $ (4) $ (7) $ (11)

v3.25.3

Labor Union Contracts (Details) - Unionized Employees Concentration Risk
9 Months Ended

Sep. 30, 2025

Total Number of Employees

Concentration risk

Concentration risk (as a percent) 19.00%

Workforce Subject to Collective Bargaining Arrangements Expiring within One Year

Concentration risk

Concentration risk (as a percent) 6.00%

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Cover Page - shares	9 Months Ended
Cover Page - shares	Sep. 30, 2025	Oct. 28, 2025
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2025
Document Transition Report	false
Entity File Number	001-7784
Entity Registrant Name	LUMEN TECHNOLOGIES, INC.
Entity Incorporation, State or Country Code	LA
Entity Tax Identification Number	72-0651161
Entity Address, Address Line One	100 CenturyLink Drive,
Entity Address, City or Town	Monroe,
Entity Address, State or Province	LA
Entity Address, Postal Zip Code	71203
City Area Code	318
Local Phone Number	388-9000
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		1,025,643,740
Entity Central Index Key	0000018926
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	Q3
Common Stock
Document Information [Line Items]
Title of 12(b) Security	Common Stock, no par value per share
Trading Symbol	LUMN
Security Exchange Name	NYSE
Preferred Stock
Document Information [Line Items]
Title of 12(b) Security	Preferred Stock Purchase Rights
Security Exchange Name	NYSE
Preferred Stock - No Trading Symbol	true

CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Income Statement [Abstract]
OPERATING REVENUE	$ 3,087,000,000	$ 3,221,000,000	$ 9,361,000,000	$ 9,779,000,000
OPERATING EXPENSES
Cost of services and products (exclusive of depreciation and amortization)	1,700,000,000	1,692,000,000	5,011,000,000	4,997,000,000
Selling, general and administrative	829,000,000	696,000,000	2,259,000,000	2,261,000,000
Net loss on sale of business	0	0	0	17,000,000
Depreciation and amortization	674,000,000	707,000,000	2,075,000,000	2,198,000,000
Goodwill impairment	0	0	628,000,000	0
Total operating expenses	3,203,000,000	3,095,000,000	9,973,000,000	9,473,000,000
OPERATING (LOSS) INCOME	(116,000,000)	126,000,000	(612,000,000)	306,000,000
OTHER (EXPENSE) INCOME
Interest expense	(319,000,000)	(351,000,000)	(1,004,000,000)	(1,015,000,000)
Net (loss) gain on early retirement of debt (Note 5)	(395,000,000)	(1,000,000)	(666,000,000)	277,000,000
Other income, net	17,000,000	54,000,000	75,000,000	321,000,000
Total other expense, net	(697,000,000)	(298,000,000)	(1,595,000,000)	(417,000,000)
LOSS BEFORE INCOME TAXES	(813,000,000)	(172,000,000)	(2,207,000,000)	(111,000,000)
Income tax (benefit) expense	(192,000,000)	(24,000,000)	(470,000,000)	29,000,000
NET LOSS	$ (621,000,000)	$ (148,000,000)	$ (1,737,000,000)	$ (140,000,000)
BASIC AND DILUTED LOSS PER COMMON SHARE
BASIC (in dollars per share)	$ (0.62)	$ (0.15)	$ (1.75)	$ (0.14)
DILUTED (in dollars per share)	$ (0.62)	$ (0.15)	$ (1.75)	$ (0.14)
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING
BASIC (in shares)	995,998	988,794	993,937	986,963
DILUTED (in shares)	995,998	988,794	993,937	986,963

CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
CURRENT ASSETS
Cash and cash equivalents	$ 2,401	$ 1,889
Accounts receivable, less allowance of $53 and $59	1,263	1,231
Assets held for sale	3,787	24
Other current assets, net	1,256	1,250
Total current assets	8,707	4,394
Property, plant and equipment, net of accumulated depreciation of $23,420 and $23,121	19,107	20,421
GOODWILL AND OTHER ASSETS
Goodwill	0	1,964
Other intangible assets, net	4,411	4,806
Other assets, net	2,061	1,911
Total goodwill and other assets	6,472	8,681
TOTAL ASSETS	34,286	33,496
CURRENT LIABILITIES
Current maturities of long-term debt	94	412
Accounts payable	1,089	749
Accrued expenses and other liabilities
Salaries and benefits	760	716
Income and other taxes	323	272
Current operating lease liabilities	273	253
Interest	133	197
Other current liabilities	224	179
Liabilities held for sale	36	0
Current portion of deferred revenue	1,000	861
Total current liabilities	3,932	3,639
LONG-TERM DEBT	17,578	17,494
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred income taxes, net	2,314	2,890
Benefit plan obligations, net	2,140	2,205
Deferred revenue	6,200	3,733
Other liabilities	3,295	3,071
Total deferred credits and other liabilities	13,949	11,899
COMMITMENTS AND CONTINGENCIES (Note 12)
STOCKHOLDERS' (DEFICIT) EQUITY
Preferred stock—non-redeemable, $25.00 par value, authorized 2,000 and 2,000 shares, issued and outstanding 7 and 7 shares	0	0
Common stock, no par value, authorized 2,200,000 and 2,200,000 shares, issued and outstanding 1,025,654 and 1,014,768 shares	19,173	19,149
Accumulated other comprehensive loss	(647)	(723)
Accumulated deficit	(19,699)	(17,962)
Total stockholders' (deficit) equity	(1,173)	464
TOTAL LIABILITIES AND STOCKHOLDERS' (DEFICIT) EQUITY	$ 34,286	$ 33,496

CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - USD ($) shares in Thousands, $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Statement of Financial Position [Abstract]
Accounts receivable, allowance	$ 53	$ 59
Accumulated depreciation	$ 23,420	$ 23,121
Preferred stock-non-redeemable, par value (in dollars per share)	$ 25.00	$ 25.00
Preferred stock-non-redeemable, shares authorized (in shares)	2,000	2,000
Preferred stock-non-redeemable, shares issued (in shares)	7	7
Preferred stock-non-redeemable, shares outstanding (in shares)	7	7
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	2,200,000	2,200,000
Common stock, shares issued (in shares)	1,025,654	1,014,768
Common stock, shares outstanding (in shares)	1,025,654	1,014,768

CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
OPERATING ACTIVITIES
Net loss	$ (1,737,000,000)	$ (140,000,000)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	2,075,000,000	2,198,000,000
Net loss on sale of business	0	17,000,000
Goodwill impairment	628,000,000	0
Deferred income taxes	(597,000,000)	(6,000,000)
Provision for uncollectible accounts	47,000,000	54,000,000
Net loss (gain) on early retirement of debt	666,000,000	(277,000,000)
Debt modification costs and related fees	0	(80,000,000)
Gain on sale of investment	0	(205,000,000)
Stock-based compensation	35,000,000	21,000,000
Changes in current assets and liabilities:
Accounts receivable	(92,000,000)	39,000,000
Accounts payable	262,000,000	(212,000,000)
Accrued income and other taxes	92,000,000	440,000,000
Other current assets and liabilities, net	68,000,000	264,000,000
Retirement benefits	14,000,000	(185,000,000)
Change in deferred revenue	2,468,000,000	1,572,000,000
Changes in other assets and liabilities, net	102,000,000	185,000,000
Other, net	145,000,000	(40,000,000)
Net cash provided by operating activities	4,176,000,000	3,645,000,000
INVESTING ACTIVITIES
Capital expenditures	(2,723,000,000)	(2,316,000,000)
Proceeds from sale of property, plant and equipment, and other assets	44,000,000	283,000,000
Other, net	10,000,000	34,000,000
Net cash used in investing activities	(2,669,000,000)	(1,999,000,000)
FINANCING ACTIVITIES
Net proceeds from issuance of long-term debt	6,920,000,000	1,325,000,000
Payments of long-term debt	(7,259,000,000)	(2,069,000,000)
Net payments of revolving line of credit	0	(200,000,000)
Debt issuance and extinguishment costs and related fees	(641,000,000)	(282,000,000)
Other, net	(15,000,000)	(15,000,000)
Net cash used in financing activities	(995,000,000)	(1,241,000,000)
Net increase in cash, cash equivalents and restricted cash	512,000,000	405,000,000
Cash, cash equivalents and restricted cash at beginning of period	1,900,000,000	2,248,000,000
Cash, cash equivalents and restricted cash at end of period	2,412,000,000	2,653,000,000
Supplemental cash flow information:
Income taxes (paid) refunded, net	(12,000,000)	425,000,000
Interest paid (net of capitalized interest of $110 and $130)	(984,000,000)	(877,000,000)
Supplemental noncash information regarding financing activities:
Cancellation of term loans as part of refinancings (Note 5)	(2,267,000,000)	0
Issuance of term loans as part of refinancings (Note 5)	2,267,000,000	0
Cash, cash equivalents and restricted cash:
Cash and cash equivalents	2,401,000,000	2,640,000,000
Restricted cash included in Other current assets, net	3,000,000	2,000,000
Restricted cash included in Other assets, net	8,000,000	11,000,000
Total	$ 2,412,000,000	$ 2,653,000,000

CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (Parenthetical) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Statement of Cash Flows [Abstract]
Capitalized interest	$ 110	$ 130

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' (DEFICIT) EQUITY (UNAUDITED) - USD ($) $ in Millions	Total	COMMON STOCK	ADDITIONAL PAID-IN CAPITAL	ACCUMULATED OTHER COMPREHENSIVE LOSS	ACCUMULATED DEFICIT
Balance at beginning of period at Dec. 31, 2023		$ 1,008	$ 18,126	$ (810)	$ (17,907)
Increase (Decrease) in Stockholders' Equity
Net issuance of common stock through incentive and benefit plans		7
Shares withheld to satisfy tax withholdings		0	(5)
Stock-based compensation		0	21
Other		0	(2)
Other comprehensive income	$ 44			44
Net loss	(140)				(140)
Balance at end of period at Sep. 30, 2024	342	1,015	18,140	(766)	(18,047)
Balance at beginning of period at Jun. 30, 2024		1,016	18,135	(786)	(17,899)
Increase (Decrease) in Stockholders' Equity
Net issuance of common stock through incentive and benefit plans		(1)
Shares withheld to satisfy tax withholdings		0	(4)
Stock-based compensation		0	10
Other		0	(1)
Other comprehensive income	20			20
Net loss	(148)				(148)
Balance at end of period at Sep. 30, 2024	342	1,015	18,140	(766)	(18,047)
Balance at beginning of period at Dec. 31, 2024	464	19,149	0	(723)	(17,962)
Increase (Decrease) in Stockholders' Equity
Net issuance of common stock through incentive and benefit plans		0
Shares withheld to satisfy tax withholdings		(14)	0
Stock-based compensation		35	0
Other		3	0
Other comprehensive income	76			76
Net loss	(1,737)				(1,737)
Balance at end of period at Sep. 30, 2025	(1,173)	19,173	0	(647)	(19,699)
Balance at beginning of period at Jun. 30, 2025		19,162	0	(679)	(19,078)
Increase (Decrease) in Stockholders' Equity
Net issuance of common stock through incentive and benefit plans		0
Shares withheld to satisfy tax withholdings		(2)	0
Stock-based compensation		13	0
Other		0	0
Other comprehensive income	32			32
Net loss	(621)				(621)
Balance at end of period at Sep. 30, 2025	$ (1,173)	$ 19,173	$ 0	$ (647)	$ (19,699)

Background	9 Months Ended
Background	Sep. 30, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Background	Note 1— Background General We are a leading digital networking services company, empowering enterprise businesses to fuel growth in a multi-cloud, AI-first marketplace by connecting people, data, and applications quickly, securely, and effortlessly. We are unleashing the world's digital potential by providing a broad array of integrated products and services to our domestic and global Business customers and our domestic Mass Markets customers. We operate one of the world’s most interconnected communications networks. Our platform empowers our customers to swiftly adjust digital programs to meet immediate demands, create efficiencies, accelerate market access, and reduce costs, which allows our customers to rapidly evolve their IT programs to address dynamic changes. Our specific products and services are detailed in Note 4—Revenue Recognition. Basis of Presentation Our consolidated balance sheet as of December 31, 2024, which was derived from our audited consolidated financial statements, and our unaudited interim consolidated financial statements provided herein have been prepared in accordance with the instructions for Form 10-Q. Certain information and note disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America ("GAAP") have been condensed or omitted pursuant to rules and regulations of the U.S. Securities and Exchange Commission ("SEC"). However, in our opinion, the disclosures made therein are adequate to make the information presented not misleading. We believe these consolidated financial statements include all normal recurring adjustments necessary to fairly state the results for the interim periods. The consolidated results of operations and cash flows for the first nine months of the year are not necessarily indicative of the consolidated results of operations and cash flows that might be expected for the entire year. These consolidated financial statements and the accompanying notes should be read in conjunction with the audited consolidated financial statements and the notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2024. The accompanying consolidated financial statements include our accounts and the accounts of our subsidiaries in which we have a controlling interest. Intercompany amounts and transactions with our consolidated subsidiaries have been eliminated. To simplify the overall presentation of our consolidated financial statements, we report immaterial amounts attributable to noncontrolling interests in certain of our subsidiaries as follows: (i) income attributable to noncontrolling interests in other income, net, (ii) equity attributable to noncontrolling interests in additional paid-in capital, and (iii) cash flows from transactions attributable to noncontrolling interests in other, net financing activities. We reclassified certain prior period amounts to conform to the current period presentation, including the recategorization of our Business revenue by product category and sales channel in our segment reporting. See Note 4—Revenue Recognition and Note 11—Segment Information for additional information. These changes had no impact on total operating revenue, total operating expenses or net loss for any period. Summary of Significant Accounting Policies Refer to the significant accounting policies described in Note 1— Background and Summary of Significant Accounting Policies to the consolidated financial statements and accompanying notes in Part II, Item 8 of our Annual Report on Form 10-K for the year ended December 31, 2024, as further supplemented below: Assets Held for Sale We classify assets and related liabilities as held for sale when: (i) management has committed to a plan to sell the assets; (ii) the net assets are available for immediate sale; (iii) there is an active program to locate a buyer; and (iv) the sale and transfer of the net assets is probable within one year. Assets and liabilities held for sale are presented separately on our consolidated balance sheets with a valuation allowance, if necessary, to recognize the net carrying amount at the lower of carrying value or fair value, less costs to sell. Depreciation of property, plant and equipment and amortization of finite-lived intangible assets and right-of-use assets are not recorded while these assets are classified as held for sale. For each reporting period that assets are classified as being held for sale, they are tested for recoverability. Unless otherwise specified, the amounts and information presented in the accompanying notes do not include assets and liabilities that have been classified as held for sale as of September 30, 2025. See Note 2 for information about our agreement to sell our Mass Markets fiber-to-the-home business in 11 states to AT&T and our classification of this business as held for sale on May 21, 2025. Recently Adopted Accounting Pronouncements Segments We adopted Accounting Standards Update ("ASU") 2023-07, “Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures” for the year ended December 31, 2024. This ASU is intended to improve reportable segment disclosure requirements primarily through enhanced disclosures about significant segment expenses. The ASU does not change how a public entity identifies its operating segments, aggregates them, or applies quantitative thresholds to determine reportable segments. Refer to Note 11—Segment Information for more information on our segment reporting. Recently Issued Accounting Pronouncements In September 2025, the Financial Accounting Standards Board (the "FASB") issued ASU No. 2025-07 (“ASU 2025-07”), "Derivatives and Hedging (Topic 815)" and "Revenue from Contracts with Customers (Topic 606)." The guidance refines the scope of Topic 815 to clarify which contracts are subject to derivative accounting. This ASU also provides clarification under Topic 606 for share-based payments from a customer in a revenue contract. The amendments in ASU 2025-07 are effective for fiscal years beginning after December 15, 2026, and interim reporting periods, with early adoption permitted. The Company is currently evaluating ASU 2025-07 to determine the impact it may have on our consolidated financial statements. In September 2025, the FASB issued ASU 2025-06, "Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software" ("ASU 2025-06") which amends the guidance in ASC 350-40, "Intangibles—Goodwill and Other—Internal-Use Software". This ASU modernizes the recognition and disclosure framework for internal-use software costs, removing the previous “development stage” model and introducing a more judgment-based approach. ASU 2025-06 is effective for fiscal years beginning after December 15, 2027, and for interim periods within those annual reporting periods, with early adoption permitted. The Company is currently evaluating ASU 2025-06 to determine the impact it may have on our consolidated financial statements. In July 2025, the FASB issued ASU 2025-05 "Measurement of Credit Losses for Accounts Receivable and Contract Assets" (“ASU 2025-05”). This ASU provides entities with a practical expedient to simplify the estimation of expected credit losses on current accounts receivable and current contract assets that arise from transactions accounted for under ASC 606 by allowing the assumption that current conditions as of the balance sheet date will not change during the remaining life of the asset. This standard is effective for annual reporting periods beginning after December 15, 2025, and interim reporting periods within those annual reporting periods, with early adoption permitted. The Company is currently evaluating ASU 2025-05 to determine the impact it may have on our consolidated financial statements. In November 2024, the FASB issued ASU 2024-04, "Debt—Debt with Conversion and Other Options (Subtopic 470-20): Induced Conversions of Convertible Debt Instruments." This ASU clarifies the requirements for determining whether certain settlements of convertible debt instruments should be accounted for as induced conversions rather than as debt extinguishments. This standard is effective for the annual period of fiscal 2026 and early adoption is permitted. As of September 30, 2025, we did not have any outstanding convertible debt instruments and do not expect this ASU will have any impact on our consolidated financial statements. In November 2024, the FASB issued ASU 2024-03, "Disaggregation of Income Statement Expenses." This ASU requires additional footnote disclosure of the details of certain income statement expense line items as well as additional disclosure about selling expenses. This standard is effective for the annual period of fiscal 2027 and early adoption is permitted. The guidance will be applied prospectively, with the option for retrospective application. We are currently evaluating the impact the adoption of this standard will have on our disclosures. In December 2023, the FASB issued ASU 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures.” This ASU requires that public business entities must annually (1) disclose specific categories in their rate reconciliation and (2) provide additional information for reconciling items that meet a quantitative threshold (if the effect of those reconciling items is equal to or greater than five percent of the amount computed by multiplying pretax income or loss by the applicable statutory income tax rate). This ASU will become effective for us for the annual reporting period ending December 31, 2025. The Income Taxes footnote to the consolidated financial statements included in Item 8 of Part II of our Annual Report on Form 10-K for the year ended December 31, 2025 will align with the standard. We do not anticipate this standard will affect our operating results.

Commitments, Contingencies and Other Items	9 Months Ended
Commitments, Contingencies and Other Items	Sep. 30, 2025
Commitments and Contingencies Disclosure [Abstract]
Commitments, Contingencies and Other Items	Note 12—Commitments, Contingencies and Other Items We are subject to various claims, legal proceedings, and other contingent liabilities, including the matters described below, which individually or in the aggregate could materially affect our financial condition, future results of operations, or cash flows. We review our litigation accrual liabilities on a quarterly basis, but in accordance with applicable accounting guidelines only establish accrual liabilities when losses are deemed probable and reasonably estimable and only revise previously established accrual liabilities when warranted by changes in circumstances, in each case based on then-available information. As such, as of any given date we could have exposure to losses under proceedings as to which no liability has been accrued or as to which the accrued liability is inadequate. Subject to these limitations, at September 30, 2025 and December 31, 2024, we had accrued $124 million and $78 million, respectively, in the aggregate for our litigation and non-income tax contingencies, which is included in Other current liabilities or Other liabilities on our consolidated balance sheets as of such dates. Although we quantify our exposure for certain matters below, we cannot at this time estimate the reasonably possible loss or range of loss, if any, in excess of our $124 million accrual at September 30, 2025 due to the inherent uncertainties and speculative nature of contested proceedings. The establishment of an accrual does not mean that actual funds have been set aside to satisfy a given contingency. Thus, the resolution of a particular contingency for the amount accrued could have no effect on our results of operations but nonetheless could have an adverse effect on our cash flows. In this Note, a reference to a "putative" class action means a class has been alleged, but not certified, in that matter. Principal Proceedings Houser Shareholder Suit Lumen and certain of its current and former officers and directors were named as defendants in a putative shareholder class action lawsuit filed on June 12, 2018 in the Boulder County District Court of the state of Colorado, captioned Houser et al. v. CenturyLink, et al. The original complaint asserted claims on behalf of a putative class of former Level 3 Communications, Inc. ("Level 3") shareholders who became CenturyLink, Inc. shareholders as a result of our acquisition of Level 3. It alleged that the proxy statement provided to the Level 3 shareholders failed to disclose various material information, including information about strategic revenue, customer loss rates, and customer account issues, among other items. The original complaint sought damages, costs and fees, rescission, rescissory damages, and other equitable relief. In May 2020, the court dismissed the original complaint. The plaintiffs appealed that decision, and in March 2022, the appellate court affirmed the district court's order in part and reversed it in part. It then remanded the case to the district court for further proceedings. The plaintiffs filed an amended complaint asserting the same claims and prayer for relief, and we filed a motion to dismiss. The court granted our motion to dismiss in May 2023 and the plaintiffs appealed that dismissal. In August 2024, the appellate court set aside the trial court's dismissal. In October 2024, we filed a petition with the Colorado Supreme Court seeking a review of the appellate court's decision, and the petition for review was granted. Lead-Sheathed Cable Litigation Disclosure Litigation. On September 15, 2023, a purported shareholder of Lumen filed a putative class action complaint originally captioned Glauber, et al. v. Lumen Technologies (now captioned In re Lumen Technologies, Inc. Securities Litigation II, Case 3:23-cv-01290), in the U.S. District Court for the Western District of Louisiana. The complaint alleged that Lumen and certain of its current and former officers violated the federal securities laws by omitting or misstating material information related to Lumen’s responsibility for environmental degradation allegedly caused by the lead sheathing of certain telecommunications cables. The court appointed lead plaintiffs who filed an amended complaint, seeking money damages, attorneys’ fees and costs, and other relief. On March 31, 2025, the court granted Lumen's motion to dismiss plaintiffs' claims with prejudice. On April 30, 2025, the plaintiffs filed an appeal which is captioned McLemore v. Lumen Technologies, Case 25-30264, in the U.S. Court of Appeals for the Fifth Circuit. Derivative Litigation. On June 11, 2024, a purported shareholder of Lumen filed a shareholder derivative complaint on behalf of Lumen captioned Brown v. Johnson, et al., Case 3:24-cv-00798-TAD-KDM, in the U.S. District Court for the Western District of Louisiana. The complaint alleges claims for breach of fiduciary duty, violations of the federal securities laws, and other causes of action against current and former officers and directors of Lumen relating to placement or presence of lead-sheathed telecommunications cables. The complaint seeks damages, injunctive relief, and attorneys' fees. Substantially similar derivative cases have been filed as follows: (i) on August 9, 2024, Pourarian v. Johnson, et al., Case 3:24-cv-01071-TAD-KMM in the U.S. District Court for the Western District of Louisiana; (ii) on September 9, 2024, Capistrano v. Johnson, et al., Case 3:24-cv-01234-TAD-KMM in the U.S. District Court for the Western District of Louisiana; (iii) on September 16, 2024, Vogel v. Perry, et al., Case 2024-3360 in the 4th Judicial District Court for the Parish of Ouachita, State of Louisiana, subsequently removed on September 17, 2024 to the U.S. District Court for the Western District of Louisiana as Case 3:24-cv-01274-TAD-KMM; and (iv) on September 25, 2024, Murray v. Allen, et al., Case 3:24-cv-01320 in the U.S. District Court for the Western District of Louisiana. In April 2025, the court consolidated the Brown, Pourarian, Capistrano, and Murray actions and stayed the consolidated action pending further developments in In re Lumen Technologies, Inc. Securities Litigation II. In July 2025, the court similarly stayed the Vogel action. Environmental Litigation Parish of St. Mary. On July 9, 2024, a putative class action complaint was filed in the 16th Judicial District Court for the Parish of St. Mary, State of Louisiana, Case 138575, asserting claims on behalf of all parishes, municipalities, and citizens owning real properties in the State of Louisiana that have been affected by lead-sheathed telecommunications cables installed by AT&T and Lumen or their predecessors. The complaint seeks damages and injunctive relief under Louisiana state law. The case was removed to the United States District Court Western District of Louisiana Lafayette Division, Case 6:24-CV-01001-RRS-DJA. On December 6, 2024, the plaintiffs voluntarily dismissed the class action complaint without prejudice. On December 13, 2024, St. Mary’s Parish along with other parishes, municipalities, and two individuals served a notice of intent to file citizen suit under the Louisiana Environmental Quality Act, asserting claims identical to the class action which the plaintiffs voluntarily dismissed. In April 2025, the Village of Parks (one of the municipalities which had served a notice of intent to file a citizen suit) served Lumen with a petition in an action captioned Village of Parks v. Lumen Technologies, Inc., Case 95026, in the 16th Judicial District Court for the Parish of St. Martin, State of Louisiana. The Village of Parks petition seeks damages and injunctive relief under Louisiana state law relating to the above-described allegations about lead-sheathed telecommunications cables. Blum. On November 6, 2023, a putative class action complaint was filed in the 16th Judicial District Court for the Parish of St. Mary, State of Louisiana, Case 137935, asserting claims on behalf of all citizens owning real properties in the State of Louisiana that have been affected by lead-sheathed telecommunications cables installed by AT&T, BellSouth, Verizon, and Lumen or their predecessors. The complaint seeks damages and injunctive relief under Louisiana state law. The case has been removed to Federal Court in the United States District Court Western District of Louisiana Lafayette Division, Case 6:23-CV-01748. In December 2024, the plaintiffs filed an amended complaint and a motion for remand. In September 2025, the motion to remand was denied. State Tax Suits Since 2012, a number of Missouri municipalities have asserted claims in the Circuit Court of St. Louis County, Missouri, alleging that we and several of our subsidiaries have underpaid taxes. These municipalities are seeking, among other things, declaratory relief regarding the application of business license and gross receipts taxes and back taxes from 2007 to the present, plus penalties and interest. In a February 2017 ruling in connection with one of these pending cases, the court entered an order awarding the plaintiffs $4 million and broadening the tax base on a going-forward basis. We appealed that decision to the Missouri Supreme Court. In December 2019, it affirmed the circuit court's order in some respects and reversed it in others, remanding the case to the circuit court for further proceedings. The Missouri Supreme Court's decision reduced our exposure in the case. In a June 2021 ruling in one of the pending cases, another trial court awarded the cities of Columbia and Joplin approximately $55 million, plus statutory interest. On appeal, the Missouri Court of Appeals affirmed in part and reversed in part, vacated the judgment and remanded the case to the trial court with instructions for further proceedings consistent with the Missouri Supreme Court's decision. In July 2025, a settlement was reached with the cities of Columbia and Joplin. FCRA Litigation In November 2014, a putative class action complaint captioned Bultemeyer v. CenturyLink, Inc. was filed in the United States District Court for the District of Arizona, Case CV-14-02530-PHX-SPL, alleging violations of the Fair Credit Reporting Act (the "FCRA"). In February 2017, the case was dismissed for lack of standing. The plaintiff appealed and the Ninth Circuit reversed and remanded. Class certification was contested and ultimately granted in 2023. The Ninth Circuit denied Lumen’s request to appeal the class certification ruling. A jury trial was conducted in September 2024. The jury found that CenturyLink willfully violated the FCRA and awarded each class member $500 for statutory damages and $2,000 for punitive damages. The district court denied Lumen’s post-trial motions for relief, and on October 16, 2024, Lumen filed an appeal which is captioned Bultemeyer v. CenturyLink, Inc., Case 24-6413, in the U.S. Court of Appeals for the Ninth Circuit. We have not accrued a contingent liability for this matter. While liability is possible, we have not determined it to be probable, and damages exposure, if any, is uncertain. December 2018 Outage Proceedings We experienced an outage on one of our transport networks that impacted voice, IP, 911, and transport services for some of our customers between the 27th and 29th of December 2018. We believe that the outage was caused by a faulty network management card from a third-party equipment vendor. The FCC and four states initiated formal investigations. In November 2020, following the FCC's release of a public report on the outage, we negotiated a settlement which was disclosed by the FCC in December 2020. The amount of the settlement was not material to our financial statements. In December 2020, the Staff of the Washington Utilities and Transportation Commission ("WUTC") filed a complaint against us based on the December 2018 outage, seeking penalties of approximately $7 million for alleged violations of Washington regulations and laws. The Washington Attorney General's office sought penalties of $27 million. Following trial, the WUTC issued an order imposing a penalty of approximately $1 million. On April 15, 2024, we appealed that decision to the Washington State Court of Appeals. In August 2025, the Court of Appeals denied the appeal. In September 2025, we filed a petition for review with the Washington State Supreme Court. Latin American Tax Litigation and Claims In connection with the 2022 divestiture of our Latin American business, the purchaser assumed responsibility for the Brazilian tax claims described in our prior periodic reports filed with the SEC. We agreed to indemnify the purchaser for amounts paid with respect to the Brazilian tax claims. The value of this indemnification and others associated with the Latin American business divestiture are included in the indemnification amount disclosed in Note 10—Fair Value of Financial Instruments. In addition, there remain other pending proceedings in Brazil, Peru, and other Latin America countries, that, if upheld, could result in a reasonably possible loss of up to approximately $81 million in excess of the amount accrued as of September 30, 2025. Huawei Network Deployment Investigations Lumen has received requests from the following federal agencies for information relating to the use of equipment manufactured by Huawei Technologies Company ("Huawei") in Lumen’s networks. •DOJ. Lumen has received a civil investigative demand from the U.S. Department of Justice in the course of a False Claims Act investigation alleging that Lumen Technologies, Inc. and Lumen Technologies Government Solutions, Inc. failed to comply with certain specified requirements in federal contracts concerning their use of Huawei equipment.  •FCC. The FCC’s Enforcement Bureau issued a Letter of Inquiry to Lumen Technologies, Inc. regarding its written certifications to the FCC that Lumen has complied with FCC rules governing the use of resources derived from the High Cost Program, Lifeline Program, Rural Health Care Program, E-Rate Program, Emergency Broadband Benefit Program, and the Affordable Connectivity Program. Under these programs, federal funds may not be used to facilitate the deployment or maintenance of equipment or services provided by Huawei, a company the FCC has determined poses a national security threat to the integrity of U.S. communications networks or the communications supply chain. •Team Telecom. The Committee for the Assessment of Foreign Participation in the United States Telecommunications Service Sector (comprised of the U.S. Attorney General, and the Secretaries of the Department of Homeland Security, and the Department of Defense), commonly referred to as Team Telecom, issued questions and requests for information relating to Lumen’s FCC licenses and its use of Huawei equipment. Marshall Fire Litigation On December 30, 2021, a wildfire referred to as the Marshall Fire ignited near Boulder, Colorado. The Marshall Fire killed two people, and it burned thousands of acres, including entire neighborhoods. Approximately 300 lawsuits seeking substantial monetary relief have been filed naming as defendants our affiliate Qwest Corporation, an additional telecommunications company, and certain power companies. The complaints involving Qwest have been consolidated with Kupfner et al., v. Public Service Company of Colorado, et al., Case 2022-cv-30195 pending in Colorado District Court, Boulder, Colorado. In September 2025, the court vacated the trial date because the defendants reached agreements in principle to settle with virtually all of the plaintiffs, subject to final documentation. The court set a status conference for November 5, 2025. Minnesota State Income Tax Audit In May 2025, the Minnesota Department of Revenue issued an order (the "Order") denying the Company's petition for a separate allocation or separate apportionment of the taxable gain resulting from the 2022 divestiture of a portion of our incumbent local exchange carrier ("ILEC") business and making other minor adjustments. The Order seeks to assess additional income tax, penalties, and interest for the 2021 and 2022 tax years. On August 4, 2025, Lumen filed an appeal of the Order disputing this assessment, which is captioned Lumen Technologies, Inc. v. Commissioner of Revenue, Docket No. 9744-R., in the Minnesota Tax Court. The Company previously established an uncertain tax position for this item and believes that it is adequately reserved. Other Proceedings, Disputes and Contingencies From time to time, we are involved in other proceedings incidental to our business, including patent infringement allegations, regulatory hearings relating primarily to our rates or services, actions relating to employee claims, tax issues, or environmental law issues, grievance hearings before labor regulatory agencies, miscellaneous third-party tort actions, or commercial disputes. We are currently defending several patent infringement lawsuits asserted against us by non-practicing entities which are seeking substantial recoveries. These cases have progressed to various stages and one or more may go to trial within the next 12 months if they are not otherwise resolved. Where applicable, we are seeking full or partial indemnification from our vendors and suppliers. We are subject to various foreign, federal, state, and local environmental protection and health and safety laws. From time to time, we are subject to judicial and administrative proceedings brought by various governmental authorities under these laws. Several such proceedings are currently pending, but none is reasonably expected to exceed $300,000 in fines and penalties. In addition, in the past we acquired companies that had installed lead-sheathed cables several decades earlier, or had operated certain manufacturing companies in the first part of the 1900s. Under applicable environmental laws, we could be named as a potentially responsible party for a share of the remediation of environmental conditions arising from the historical operations of our predecessors. The outcomes of these other proceedings described under this heading are not predictable. However, based on current circumstances, we do not believe that the ultimate resolution of these other proceedings, after considering available defenses and any insurance coverage or indemnification rights, will have a material adverse effect on us. The matters listed in this Note do not reflect all our contingencies. For additional information on our contingencies, see Note 18—Commitments, Contingencies and Other Items to the consolidated financial statements and accompanying notes in Part II, Item 8 of our Annual Report on Form 10-K for the year ended December 31, 2024. The ultimate outcome of the above-described matters may differ materially from the outcomes anticipated, estimated, projected or implied by us in certain of our statements appearing above in this Note, and proceedings we currently consider insignificant may ultimately affect us materially.

Labor Union Contracts	9 Months Ended
Labor Union Contracts	Sep. 30, 2025
Risks and Uncertainties [Abstract]
Labor Union Contracts	Note 15—Labor Union Contracts As of September 30, 2025, approximately 19% of our employees were represented by the Communications Workers of America (CWA) or the International Brotherhood of Electrical Workers (IBEW). Approximately 6% of our represented employees are subject to collective bargaining agreements that are scheduled to expire over the 12-month period ending September 30, 2026.

Insider Trading Arrangements	3 Months Ended
Insider Trading Arrangements	Sep. 30, 2025
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

Background (Policies)	9 Months Ended
Background (Policies)	Sep. 30, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation Our consolidated balance sheet as of December 31, 2024, which was derived from our audited consolidated financial statements, and our unaudited interim consolidated financial statements provided herein have been prepared in accordance with the instructions for Form 10-Q. Certain information and note disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America ("GAAP") have been condensed or omitted pursuant to rules and regulations of the U.S. Securities and Exchange Commission ("SEC"). However, in our opinion, the disclosures made therein are adequate to make the information presented not misleading. We believe these consolidated financial statements include all normal recurring adjustments necessary to fairly state the results for the interim periods. The consolidated results of operations and cash flows for the first nine months of the year are not necessarily indicative of the consolidated results of operations and cash flows that might be expected for the entire year. These consolidated financial statements and the accompanying notes should be read in conjunction with the audited consolidated financial statements and the notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2024. The accompanying consolidated financial statements include our accounts and the accounts of our subsidiaries in which we have a controlling interest. Intercompany amounts and transactions with our consolidated subsidiaries have been eliminated. To simplify the overall presentation of our consolidated financial statements, we report immaterial amounts attributable to noncontrolling interests in certain of our subsidiaries as follows: (i) income attributable to noncontrolling interests in other income, net, (ii) equity attributable to noncontrolling interests in additional paid-in capital, and (iii) cash flows from transactions attributable to noncontrolling interests in other, net financing activities.
Reclassification	We reclassified certain prior period amounts to conform to the current period presentation, including the recategorization of our Business revenue by product category and sales channel in our segment reporting.
Assets Held for Sale	Assets Held for Sale We classify assets and related liabilities as held for sale when: (i) management has committed to a plan to sell the assets; (ii) the net assets are available for immediate sale; (iii) there is an active program to locate a buyer; and (iv) the sale and transfer of the net assets is probable within one year. Assets and liabilities held for sale are presented separately on our consolidated balance sheets with a valuation allowance, if necessary, to recognize the net carrying amount at the lower of carrying value or fair value, less costs to sell. Depreciation of property, plant and equipment and amortization of finite-lived intangible assets and right-of-use assets are not recorded while these assets are classified as held for sale. For each reporting period that assets are classified as being held for sale, they are tested for recoverability. Unless otherwise specified, the amounts and information presented in the accompanying notes do not include assets and liabilities that have been classified as held for sale as of September 30, 2025.
Recently Adopted and Issued Accounting Pronouncements	Recently Adopted Accounting Pronouncements Segments We adopted Accounting Standards Update ("ASU") 2023-07, “Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures” for the year ended December 31, 2024. This ASU is intended to improve reportable segment disclosure requirements primarily through enhanced disclosures about significant segment expenses. The ASU does not change how a public entity identifies its operating segments, aggregates them, or applies quantitative thresholds to determine reportable segments. Refer to Note 11—Segment Information for more information on our segment reporting. Recently Issued Accounting Pronouncements In September 2025, the Financial Accounting Standards Board (the "FASB") issued ASU No. 2025-07 (“ASU 2025-07”), "Derivatives and Hedging (Topic 815)" and "Revenue from Contracts with Customers (Topic 606)." The guidance refines the scope of Topic 815 to clarify which contracts are subject to derivative accounting. This ASU also provides clarification under Topic 606 for share-based payments from a customer in a revenue contract. The amendments in ASU 2025-07 are effective for fiscal years beginning after December 15, 2026, and interim reporting periods, with early adoption permitted. The Company is currently evaluating ASU 2025-07 to determine the impact it may have on our consolidated financial statements. In September 2025, the FASB issued ASU 2025-06, "Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software" ("ASU 2025-06") which amends the guidance in ASC 350-40, "Intangibles—Goodwill and Other—Internal-Use Software". This ASU modernizes the recognition and disclosure framework for internal-use software costs, removing the previous “development stage” model and introducing a more judgment-based approach. ASU 2025-06 is effective for fiscal years beginning after December 15, 2027, and for interim periods within those annual reporting periods, with early adoption permitted. The Company is currently evaluating ASU 2025-06 to determine the impact it may have on our consolidated financial statements. In July 2025, the FASB issued ASU 2025-05 "Measurement of Credit Losses for Accounts Receivable and Contract Assets" (“ASU 2025-05”). This ASU provides entities with a practical expedient to simplify the estimation of expected credit losses on current accounts receivable and current contract assets that arise from transactions accounted for under ASC 606 by allowing the assumption that current conditions as of the balance sheet date will not change during the remaining life of the asset. This standard is effective for annual reporting periods beginning after December 15, 2025, and interim reporting periods within those annual reporting periods, with early adoption permitted. The Company is currently evaluating ASU 2025-05 to determine the impact it may have on our consolidated financial statements. In November 2024, the FASB issued ASU 2024-04, "Debt—Debt with Conversion and Other Options (Subtopic 470-20): Induced Conversions of Convertible Debt Instruments." This ASU clarifies the requirements for determining whether certain settlements of convertible debt instruments should be accounted for as induced conversions rather than as debt extinguishments. This standard is effective for the annual period of fiscal 2026 and early adoption is permitted. As of September 30, 2025, we did not have any outstanding convertible debt instruments and do not expect this ASU will have any impact on our consolidated financial statements. In November 2024, the FASB issued ASU 2024-03, "Disaggregation of Income Statement Expenses." This ASU requires additional footnote disclosure of the details of certain income statement expense line items as well as additional disclosure about selling expenses. This standard is effective for the annual period of fiscal 2027 and early adoption is permitted. The guidance will be applied prospectively, with the option for retrospective application. We are currently evaluating the impact the adoption of this standard will have on our disclosures. In December 2023, the FASB issued ASU 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures.” This ASU requires that public business entities must annually (1) disclose specific categories in their rate reconciliation and (2) provide additional information for reconciling items that meet a quantitative threshold (if the effect of those reconciling items is equal to or greater than five percent of the amount computed by multiplying pretax income or loss by the applicable statutory income tax rate). This ASU will become effective for us for the annual reporting period ending December 31, 2025. The Income Taxes footnote to the consolidated financial statements included in Item 8 of Part II of our Annual Report on Form 10-K for the year ended December 31, 2025 will align with the standard. We do not anticipate this standard will affect our operating results.

Background (Details)	May 21, 2025 state
Held for sale \| Mass Markets Fiber-to-the Home Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of states in which the business is conducted	11

Planned Divestiture of the Mass Markets Fiber-to-the-Home Business - Additional Information (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2025 USD ($)	May 21, 2025 USD ($) state
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Additional depreciation if held for sale criteria is not met	$ 40	$ 62
Held for sale \| Mass Markets Fiber-to-the Home Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of states in which the business is conducted \| state			11
Cash consideration of planned divestiture			$ 5,750

Planned Divestiture of the Mass Markets Fiber-to-the-Home Business - Principal Components of Held for Sale Assets and Liabilities of Disposal Group (Details) - Held for sale - Mass Markets Fiber-to-the Home Business $ in Millions	Sep. 30, 2025 USD ($)
Assets held for sale
Accounts receivable, less allowance of $1	$ 13
Other current assets, net	16
Property, plant and equipment, net of accumulated depreciation of $742	2,370
Goodwill	1,336
Other assets, net	30
Total assets held for sale	3,765
Liabilities held for sale
Other current liabilities	3
Current portion of deferred revenue	32
Other non-current liabilities	1
Total liabilities held for sale	36
Allowance for doubtful accounts	1
Accumulated depreciation	$ 742

Goodwill, Customer Relationships and Other Intangible Assets - Goodwill, Customer Relationships, and Other Intangible Assets (Details) - USD ($) $ in Millions	Sep. 30, 2025	Mar. 31, 2025	Dec. 31, 2024
Goodwill [Line Items]
Goodwill	$ 0		$ 1,964
Indefinite-lived intangible assets	0		9
Total other intangible assets, net	4,411		4,806
Held for sale \| Mass Markets Fiber-to-the Home Business
Goodwill [Line Items]
Goodwill	1,336
Customer Relationships
Goodwill [Line Items]
Other intangible assets subject to amortization	2,750		3,196
Accumulated amortization	4,796		4,504
Capitalized Software
Goodwill [Line Items]
Other intangible assets subject to amortization	1,599		1,529
Accumulated amortization	3,853		4,067
Patents and Other
Goodwill [Line Items]
Other intangible assets subject to amortization	62		72
Accumulated amortization	$ 96		$ 86
Fully Amortized and Retired Customer Relationships
Goodwill [Line Items]
Gross carrying value		$ 161
Fully Amortized and Retired Capitalized Software
Goodwill [Line Items]
Gross carrying value		$ 211

Goodwill, Customer Relationships and Other Intangible Assets - Additional Information (Details)			3 Months Ended			9 Months Ended
	Sep. 30, 2025 USD ($) reporting_unit	Apr. 30, 2025 USD ($)	Sep. 30, 2025 USD ($)	Jun. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) segment	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)
Goodwill [Line Items]
Intangible assets, gross (including goodwill)	$ 13,200,000,000		$ 13,200,000,000			$ 13,200,000,000		$ 15,400,000,000
Number of reportable segments \| segment						2
Number of reporting units \| reporting_unit	3
Goodwill impairment	$ 0	$ 0	0		$ 0	$ 628,000,000	$ 0
Control premium (as a percent)		42.00%		4.00%
Amortization of intangible assets			$ 251,000,000		$ 253,000,000	$ 751,000,000	$ 802,000,000
Mass Market Reporting Unit
Goodwill [Line Items]
Goodwill impairment				$ 628,000,000
Minimum \| Measurement Input, Revenue Multiple
Goodwill [Line Items]
Goodwill impairment, measurement input		1.8
Minimum \| Measurement Input, EBITDA Multiple
Goodwill [Line Items]
Goodwill impairment, measurement input		5.8
Maximum \| Measurement Input, Revenue Multiple
Goodwill [Line Items]
Goodwill impairment, measurement input		3.1
Maximum \| Measurement Input, EBITDA Multiple
Goodwill [Line Items]
Goodwill impairment, measurement input		8.0

Goodwill, Customer Relationships and Other Intangible Assets - Rollforward Goodwill (Details) - USD ($)			3 Months Ended		9 Months Ended
	Sep. 30, 2025	Apr. 30, 2025	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Goodwill [Line Items]
Accumulated impairment losses	$ 22,300,000,000		$ 22,300,000,000		$ 22,300,000,000		$ 21,700,000,000
Goodwill [Roll Forward]
Beginning balance					1,964,000,000
Impairment	0	$ 0	0	$ 0	(628,000,000)	$ 0
Reclassified as held for sale					(1,336,000,000)
Ending balance	0		0		0
Held for sale \| Mass Markets Fiber-to-the Home Business
Goodwill [Line Items]
Goodwill	1,336,000,000		1,336,000,000		1,336,000,000
Business
Goodwill [Roll Forward]
Beginning balance					0
Impairment					0
Reclassified as held for sale					0
Ending balance	0		0		0
Mass Markets
Goodwill [Roll Forward]
Beginning balance					1,964,000,000
Impairment					(628,000,000)
Reclassified as held for sale					(1,336,000,000)
Ending balance	$ 0		$ 0		$ 0

Revenue Recognition - Contract with Customer, Asset and Liability (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Customer receivables, less allowance	$ 1,215	$ 1,193
Contract assets	30	19
Contract liabilities	675	733
Allowance	42	$ 50
Held for sale \| Mass Markets Fiber-to-the Home Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Customer receivables, less allowance	13
Contract liabilities	$ 33

Revenue Recognition - Remaining Performance Obligation (Details) $ in Millions	Sep. 30, 2025 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	$ 5,900
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-10-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	$ 880
Remaining performance obligation, satisfaction period	3 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	$ 2,400
Remaining performance obligation, satisfaction period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	$ 2,700
Remaining performance obligation, satisfaction period	1 year

Long-Term Debt and Credit Facilities - Long Term Debt (Details)	9 Months Ended	12 Months Ended
	Sep. 30, 2025 USD ($) subsidiary	Dec. 31, 2024 USD ($)	Sep. 29, 2025 USD ($)
Debt Disclosure [Abstract]
Number of subsidiaries \| subsidiary	3
Long-term Debt and Credit Facilities
Finance lease and other obligations	$ 233,000,000	$ 254,000,000
Unamortized discounts, net	(404,000,000)	(395,000,000)
Unamortized debt issuance costs	(152,000,000)	(217,000,000)
Total long-term debt	17,672,000,000	17,906,000,000
Less current maturities	(94,000,000)	(412,000,000)
Long-term debt, excluding current maturities	$ 17,578,000,000	17,494,000,000
Line of Credit \| Series A Revolving Credit Facility
Long-term Debt and Credit Facilities
Basis spread (as a percent)	4.00%
Long-term debt, gross	$ 0	0
Line of Credit \| Series B Revolving Credit Facility
Long-term Debt and Credit Facilities
Basis spread (as a percent)	6.00%
Long-term debt, gross	$ 0	0
Term Loan \| Term Loan A
Long-term Debt and Credit Facilities
Basis spread (as a percent)	6.00%
Long-term debt, gross	$ 343,000,000	$ 357,000,000
Long-term debt, weighted average interest rate	10.316%	10.573%
Term Loan \| Term Loan B-1
Long-term Debt and Credit Facilities
Basis spread (as a percent)	2.35%
Long-term debt, gross	$ 1,594,000,000	$ 1,606,000,000
Long-term debt, weighted average interest rate	6.78%	7.037%
Term Loan \| Term Loan B-1 \| Level 3 Financing, Inc.
Long-term Debt and Credit Facilities
Basis spread (as a percent)		6.56%
Long-term debt, gross	$ 0	$ 1,199,000,000
Long-term debt, weighted average interest rate		11.133%
Term Loan \| Term Loan B-2
Long-term Debt and Credit Facilities
Basis spread (as a percent)	2.35%
Long-term debt, gross	$ 1,594,000,000	$ 1,606,000,000
Long-term debt, weighted average interest rate	6.78%	7.037%
Term Loan \| Term Loan B-2 \| Level 3 Financing, Inc.
Long-term Debt and Credit Facilities
Basis spread (as a percent)		6.56%
Long-term debt, gross	$ 0	$ 1,199,000,000
Long-term debt, weighted average interest rate		11.133%
Term Loan \| Term Loan B
Long-term Debt and Credit Facilities
Basis spread (as a percent)	2.25%
Long-term debt, gross	$ 56,000,000	$ 56,000,000
Long-term debt, weighted average interest rate	6.68%	6.937%
Term Loan \| Term Loan B-4
Long-term Debt and Credit Facilities
Basis spread (as a percent)	3.25%
Term Loan \| Term Loan B-4 \| Level 3 Financing, Inc.
Long-term Debt and Credit Facilities
Basis spread (as a percent)	3.25%
Long-term debt, gross	$ 2,400,000,000	$ 0	$ 2,400,000,000
Long-term debt, weighted average interest rate	7.566%
Term Loan \| Tranche B 2027 Term Loan \| Level 3 Financing, Inc.
Long-term Debt and Credit Facilities
Basis spread (as a percent)	1.75%
Long-term debt, gross	$ 12,000,000	$ 12,000,000
Long-term debt, weighted average interest rate	6.18%	6.437%
Senior Notes \| Superpriority Notes Due on Various Dates
Long-term Debt and Credit Facilities
Long-term debt, gross	$ 1,247,000,000	$ 1,247,000,000
Senior Notes \| Superpriority Notes Due on Various Dates \| Minimum
Long-term Debt and Credit Facilities
Stated interest rate	4.125%
Senior Notes \| Superpriority Notes Due on Various Dates \| Maximum
Long-term Debt and Credit Facilities
Stated interest rate	10.00%
Senior Notes \| First Lien Notes \| Level 3 Financing, Inc.
Long-term Debt and Credit Facilities
Long-term debt, gross	$ 4,425,000,000	3,846,000,000
Senior Notes \| First Lien Notes \| Level 3 Financing, Inc. \| Minimum
Long-term Debt and Credit Facilities
Stated interest rate	6.875%
Senior Notes \| First Lien Notes \| Level 3 Financing, Inc. \| Maximum
Long-term Debt and Credit Facilities
Stated interest rate	7.00%
Senior Notes \| Second Lien Notes \| Level 3 Financing, Inc.
Long-term Debt and Credit Facilities
Long-term debt, gross	$ 2,229,000,000	2,579,000,000
Senior Notes \| Second Lien Notes \| Level 3 Financing, Inc. \| Minimum
Long-term Debt and Credit Facilities
Stated interest rate	3.875%
Senior Notes \| Second Lien Notes \| Level 3 Financing, Inc. \| Maximum
Long-term Debt and Credit Facilities
Stated interest rate	4.875%
Senior Notes \| Senior Notes Maturing 2028-2042
Long-term Debt and Credit Facilities
Long-term debt, gross	$ 1,296,000,000	1,428,000,000
Senior Notes \| Senior Notes Maturing 2028-2042 \| Minimum
Long-term Debt and Credit Facilities
Stated interest rate	4.50%
Senior Notes \| Senior Notes Maturing 2028-2042 \| Maximum
Long-term Debt and Credit Facilities
Stated interest rate	7.65%
Senior Notes \| Senior Notes Maturing 2028-2029 \| Level 3 Financing, Inc.
Long-term Debt and Credit Facilities
Long-term debt, gross	$ 894,000,000	964,000,000
Senior Notes \| Senior Notes Maturing 2028-2029 \| Level 3 Financing, Inc. \| Minimum
Long-term Debt and Credit Facilities
Stated interest rate	3.625%
Senior Notes \| Senior Notes Maturing 2028-2029 \| Level 3 Financing, Inc. \| Maximum
Long-term Debt and Credit Facilities
Stated interest rate	4.25%
Senior Notes \| Senior Notes Maturing 2030-2057 \| Qwest Corporation
Long-term Debt and Credit Facilities
Long-term debt, gross	$ 1,736,000,000	1,973,000,000
Senior Notes \| Senior Notes Maturing 2030-2057 \| Qwest Corporation \| Minimum
Long-term Debt and Credit Facilities
Stated interest rate	6.50%
Senior Notes \| Senior Notes Maturing 2030-2057 \| Qwest Corporation \| Maximum
Long-term Debt and Credit Facilities
Stated interest rate	7.75%
Senior Notes \| Senior Notes Maturing 2028-2031 \| Qwest Capital Funding, Inc.
Long-term Debt and Credit Facilities
Long-term debt, gross	$ 169,000,000	$ 192,000,000
Senior Notes \| Senior Notes Maturing 2028-2031 \| Qwest Capital Funding, Inc. \| Minimum
Long-term Debt and Credit Facilities
Stated interest rate	6.875%
Senior Notes \| Senior Notes Maturing 2028-2031 \| Qwest Capital Funding, Inc. \| Maximum
Long-term Debt and Credit Facilities
Stated interest rate	7.75%

Long-Term Debt and Credit Facilities - Long-Term Debt Maturities (Details) $ in Millions	Sep. 30, 2025 USD ($)
Debt Disclosure [Abstract]
2025 (remaining three months)	$ 25
2026	89
2027	139
2028	716
2029	3,761
2030 and thereafter	13,498
Total long-term debt	$ 18,228

Long-Term Debt and Credit Facilities - 2025 Debt Transactions (Details) - USD ($) $ in Millions					3 Months Ended		9 Months Ended
	Sep. 14, 2025	Aug. 18, 2025	Jun. 30, 2025	Feb. 15, 2025	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Sep. 29, 2025	Sep. 08, 2025	Mar. 27, 2025	Dec. 31, 2024
Long-term Debt and Credit Facilities
Net loss (gain) on early retirement of debt					$ 395	$ 1	$ 666	$ (277)
Senior Notes
Long-term Debt and Credit Facilities
Aggregate principal amount of debt redeemed				$ 202
Level 3 Financing, Inc. \| Term Loan \| Term Loan B-3
Long-term Debt and Credit Facilities
Net loss (gain) on early retirement of debt					56		56
Level 3 Financing, Inc. \| Senior Notes \| First Lien Notes Due 2034
Long-term Debt and Credit Facilities
Net loss (gain) on early retirement of debt					344		344
Level 3 Financing, Inc. \| Senior Notes \| 11.000% Senior Secured Notes Due 2029
Long-term Debt and Credit Facilities
Stated interest rate		11.00%
Aggregate principal amount of debt redeemed		$ 1,400
Level 3 Financing, Inc. \| Senior Notes \| 10.750% First Lien Notes Due 2030
Long-term Debt and Credit Facilities
Stated interest rate	10.75%	10.75%
Aggregate principal amount of debt redeemed	$ 373	$ 305
Level 3 Financing, Inc. \| Senior Notes \| First Lien Notes Due 2033
Long-term Debt and Credit Facilities
Net loss (gain) on early retirement of debt							236
Level 3 Financing, Inc. \| Senior Notes \| 10.500% Senior Secured Notes Due 2030
Long-term Debt and Credit Facilities
Stated interest rate			10.50%
Aggregate principal amount of debt redeemed			$ 925
Level 3 Financing, Inc. \| Senior Notes \| 10.500% First Lien Notes Due 2029
Long-term Debt and Credit Facilities
Stated interest rate			10.50%
Aggregate principal amount of debt redeemed			$ 668
Level 3 Financing, Inc. \| Senior Notes \| 11.000% First Lien Notes Due 2029
Long-term Debt and Credit Facilities
Stated interest rate			11.00%
Aggregate principal amount of debt redeemed			$ 167
Level 3 Financing, Inc. \| Term Loan \| Term Loan B-4
Long-term Debt and Credit Facilities
Long-term debt, gross					$ 2,400		$ 2,400		$ 2,400			$ 0
Level 3 Financing, Inc. \| Term Loan \| Term Loan B-3
Long-term Debt and Credit Facilities
Long-term debt, gross											$ 2,400
Level 3 Financing, Inc. \| Senior Notes \| First Lien Notes Due 2034
Long-term Debt and Credit Facilities
Face amount		$ 2,000								$ 425
Stated interest rate		7.00%								7.00%
Level 3 Financing, Inc. \| Senior Notes \| First Lien Notes Due 2033
Long-term Debt and Credit Facilities
Face amount			$ 2,000
Stated interest rate			6.875%

Long-Term Debt and Credit Facilities - Redemptions (Details) - Senior Notes - USD ($) $ in Millions	Sep. 30, 2025	Feb. 15, 2025
Long-term Debt and Credit Facilities
Aggregate principal amount		$ 202
5.625% unsecured Senior notes due 2025
Long-term Debt and Credit Facilities
Stated interest rate		5.625%
Aggregate principal amount		$ 55
7.200% unsecured Senior notes due 2025
Long-term Debt and Credit Facilities
Stated interest rate		7.20%
Aggregate principal amount		$ 29
5.125% unsecured Senior notes due 2026
Long-term Debt and Credit Facilities
Stated interest rate		5.125%
Aggregate principal amount		$ 7
4.000% unsecured Senior notes due 2027
Long-term Debt and Credit Facilities
Stated interest rate		4.00%
Aggregate principal amount		$ 41
3.400% unsecured Senior notes due 2027 \| Level 3 Financing, Inc.
Long-term Debt and Credit Facilities
Stated interest rate		3.40%
Aggregate principal amount		$ 5
4.625% unsecured Senior notes due 2027 \| Level 3 Financing, Inc.
Long-term Debt and Credit Facilities
Stated interest rate		4.625%
Aggregate principal amount		$ 65
10.000% Second Lien Notes due 2032 \| Level 3 Financing, Inc.
Long-term Debt and Credit Facilities
Stated interest rate	10.00%
Aggregate principal amount	$ 350

Long-Term Debt and Credit Facilities - Lumen Credit Agreements (Details)	Mar. 22, 2024 credit_facility	Sep. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
Series A Revolving Credit Facility
Long-term Debt and Credit Facilities
Maximum borrowing capacity		$ 489,000,000
Series B Revolving Credit Facility
Long-term Debt and Credit Facilities
Maximum borrowing capacity		465,000,000
Term Loan \| Superpriority Secured Term Loan Facility
Long-term Debt and Credit Facilities
Number of credit facilities \| credit_facility	2
Term Loan \| Lumen TLA
Long-term Debt and Credit Facilities
Debt instrument periodic payment (as a percent)	1.25%
Term Loan \| Lumen TLB
Long-term Debt and Credit Facilities
Debt instrument periodic payment (as a percent)	0.25%
Line of Credit \| Series A Revolving Credit Facility
Long-term Debt and Credit Facilities
Long-term debt, gross		0	$ 0
Line of Credit \| Series B Revolving Credit Facility
Long-term Debt and Credit Facilities
Long-term debt, gross		$ 0	$ 0

Long-Term Debt and Credit Facilities - Revolving Letters of Credit (Details) $ in Millions	Sep. 30, 2025 USD ($)
Long-term Debt and Credit Facilities
Letters of credit outstanding	$ 234
Facility Maintained By a Subsidiary
Long-term Debt and Credit Facilities
Letters of credit outstanding	2
Letter of Credit \| Uncommitted Letter of Credit Facility
Long-term Debt and Credit Facilities
Maximum borrowing capacity	225
Revolving Credit Facility
Long-term Debt and Credit Facilities
Letters of credit outstanding	$ 232

Long-Term Debt and Credit Facilities - Certain Guarantees and Security Interests (Details) - Financial Guarantee $ in Millions	Sep. 30, 2025 USD ($)
Series A Revolving Credit Facility
Long-term Debt and Credit Facilities
Guaranteed amount	$ 150
Series B Revolving Credit Facility
Long-term Debt and Credit Facilities
Guaranteed amount	$ 150

Long-Term Debt and Credit Facilities - Covenants and Guarantees (Details) $ in Millions	9 Months Ended
	Sep. 30, 2025 USD ($) indenture
Letter of Credit \| Uncommitted Letter of Credit Facility
Long-term Debt and Credit Facilities
Maximum borrowing capacity \| $	$ 225
Line of Credit and Term Loan \| Minimum
Long-term Debt and Credit Facilities
Interest coverage ratio	2.00
Senior Notes
Long-term Debt and Credit Facilities
Number of indentures \| indenture	4
Redemption price (as a percent)	101.00%
Senior Notes \| Level 3 Financing, Inc.
Long-term Debt and Credit Facilities
Redemption price (as a percent)	101.00%
Fiscal Quarter Ending After December 31, 2024 \| Line of Credit and Term Loan
Long-term Debt and Credit Facilities
Maximum total net leverage ratio	5.50
Fiscal Quarter Ending After December 31, 2025 \| Line of Credit and Term Loan
Long-term Debt and Credit Facilities
Maximum total net leverage ratio	5.25

Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 42,527	$ 43,542
Accumulated depreciation	(23,420)	(23,121)
Net property, plant and equipment	19,107	20,421
Land
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	628	630
Fiber, conduit and other outside plant
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 16,447	17,348
Fiber, conduit and other outside plant \| Minimum
Property, Plant and Equipment [Line Items]
Depreciable Lives	15 years
Fiber, conduit and other outside plant \| Maximum
Property, Plant and Equipment [Line Items]
Depreciable Lives	45 years
Central office and other network electronics
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 16,346	16,616
Central office and other network electronics \| Minimum
Property, Plant and Equipment [Line Items]
Depreciable Lives	3 years
Central office and other network electronics \| Maximum
Property, Plant and Equipment [Line Items]
Depreciable Lives	10 years
Support assets
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 6,903	6,804
Support assets \| Minimum
Property, Plant and Equipment [Line Items]
Depreciable Lives	3 years
Support assets \| Maximum
Property, Plant and Equipment [Line Items]
Depreciable Lives	30 years
Construction in progress
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 2,203	$ 2,144

Severance - Accrued Liabilities for Severance Expenses (Details) - Severance $ in Millions	9 Months Ended
	Sep. 30, 2025 USD ($)
Restructuring reserve
Balance at the beginning of the period	$ 12
Accrued to expense	35
Payments, net	(28)
Balance at the end of the period	$ 19