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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 June 30, 2020March 31, 2021
or
TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from                                to                               
Commission File No. 001-03040
Q W E S T  C O R P O R A T I O NQWEST CORPORATION
(Exact name of registrant as specified in its charter)
Colorado 84-0273800
(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 ClassTrading Symbol(s)Name of Each Exchange on Which Registered
6.125% Notes Due 2053CTYNew York Stock Exchange
6.875% Notes Due 2054CTVNew York Stock Exchange
6.625% Notes Due 2055CTZNew York Stock Exchange
7.00% Notes Due 2056CTAANew York Stock Exchange
6.5% Notes Due 2056CTBBNew York Stock Exchange
6.75% Notes Due 2057CTDDNew York Stock Exchange


THE REGISTRANT, A WHOLLY OWNED INDIRECT SUBSIDIARY OF CENTURYLINK,LUMEN TECHNOLOGIES, INC., MEETS THE CONDITIONS SET FORTH IN GENERAL INSTRUCTIONS H(1) (a) AND (b) OF FORM 10-Q AND IS THEREFORE FILING THIS FORM WITH REDUCED DISCLOSURE FORMAT PURSUANT TO GENERAL INSTRUCTION H(2).
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 (§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 filerAccelerated filerNon-accelerated filerSmaller reporting company
Emerging growth company
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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.
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Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes     No 
On August 7, 2020,May 5, 2021, there was 1 share of common stock outstanding.
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* All references to "Notes" in this quarterly report refer to these Notes to Consolidated Financial Statements.Statements,
 unless otherwise specified.
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Special Note Regarding Controlling Stockholder

On September 14, 2020, our controlling shareholder, CenturyLink, Inc., commenced operating under the brand name "Lumen" and on January 22, 2021, officially changed its legal name to "Lumen Technologies, Inc." As a result, CenturyLink, Inc. is now “Lumen Technologies, Inc.”, and sometimes referred to herein as "Lumen Technologies" or “Lumen”.

Special Note Regarding Forward-Looking Statements

This report and other documents filed by us under the federal securities law 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 andor prospects. These "forward-looking" statements are defined by, and are subject to the "safe harbor" protections under, the federal securities laws. These statements include, among others:

statements regarding how the health and economic challenges raised by the COVID-19 pandemic may impact our business, operations, cash flows or financial position;

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

statements concerning the anticipated impact of our transactions, investments, product development, participation in government programs and other initiatives, including synergies or costs associated with our transformational initiatives, acquisitions or dispositions;these initiatives;

statements about our liquidity, profitability, profit margins, tax position, tax assets, tax rates, asset values, contingent liabilities, growth opportunities, growth rates, acquisition and divestiture opportunities, business prospects, regulatory and competitive outlook, market share, product capabilities, investment and expenditure plans, business strategies, debt leverage, capital allocation plans, financing 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,” “plan,” “believes,” “expects,” “anticipates,” “estimates,” “projects,” “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, (ii) are inherently speculative and (iii) are subject to a number of risks and uncertainties. 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 our discussion of factors that could cause our actual results to differ materially from those anticipated, estimated, projected or implied by us in those forward looking statements. Factors that could affect actual results include but are not limited to:

uncertainties due to events outside of our control regarding the impact that COVID-19 health and economic disruptions will continue to have on our business, operations, employees, customers, suppliers, distribution channels, controls, regulatory environment, access to capital, operating or capital planscash flows, and corporate initiatives, and ultimately on our financial performance, financial position and cash flows;initiatives;

the effects of 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 attain our key operating imperatives, including simplifying and consolidating our network, simplifying and automating our service support systems, strengthening our relationships with customers and attaining projected cost savings;
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our ability to safeguard our network, and to avoid the adverse impact on our business fromof possible security breaches, service outages, system failures, equipment breakage, or similar events impacting our network or the availability and quality of our services;

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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, interconnection obligations, special access, universal service, broadband deployment, data protection, privacy and net neutrality;

our ability to effectively adjustretain and hire key personnel and to changes in the communications industry and changes in the composition of our markets and product mix;successfully negotiate collective bargaining agreements on reasonable terms without work stoppages;

possible changes in the demand for our products and services, including increased demand for high-speed data transmission services;

our ability to successfully maintain the quality and profitability of our existing product and service offerings and to introduce profitable new offerings on a timely and cost-effective basis;

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

our ability to successfully and timely implement our operating plans and corporate strategies, including our deleveringdeleveraging strategy;

changes in our operating plans, corporate strategies or capital allocation plans, whether based upon COVID-19 disruptions, changes in our cash flows, cash requirements, financial performance, financial position, market conditions or otherwise;

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

the negative impact of increases in the costs of CenturyLink’sLumen’s pension, health, post-employment or other benefits, including those caused by changes in markets, interest rates, mortality rates, demographics, regulations or disruptions caused by the COVID-19 pandemic;regulations;

the potential negative impact of customer complaints, government investigations, security breaches or service outages impacting us or our industry;

adverse changes in our access to credit markets on favorable terms, whether caused by changes in our financial position, lower debt credit ratings, unstable markets 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;

our ability to maintain favorable relations with our security holders, key business partners, suppliers, vendors, landlords and financial institutions;

Lumen's ability to meet evolving environmental, social and governance ("ESG") expectations and benchmarks, and effectively communicate and implement its ESG strategies;

our ability to collect our receivables from, or continue to do business with, financially troubled customers, including but not limited to those adversely impacted by the economic dislocations caused by the COVID-19 pandemic;

any adverse developments in legal or regulatory proceedings involving us or our affiliates, including CenturyLink;Lumen Technologies;

changes in tax, communications, pension, healthcare or other laws or regulations, in governmental support programs, or in general government funding levels;levels, including those arising from pending proposals of the Biden Administration to increase infrastructure spending and federal income tax rates;
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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 or other natural or man-made disasters;

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

the effects of more general factors such as changes in interest rates, in exchange rates, in operating costs, in public policy, in the views of financial analysts, or in general market, labor, economic or geo-political conditions; and

other risks set forth or referenced in "Risk Factors" in Item 1A of Part III of this reportour Annual Report on Form 10-K for the year ended December 31, 2020 or other of our filings with the U.S. Securities and Exchange Commission (the "SEC").

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, existing regulatory, technological, industry, competitive, economic and market conditions, and our assumptions as of such date. We may change our intentions, strategies or plans (including our dividend or other capital allocation plans) at any time and without notice, based upon any changes in such factors, in our assumptions or otherwise.

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PART I—FINANCIAL INFORMATION
ITEM 1. FINANCIAL STATEMENTS
QWEST CORPORATION
CONSOLIDATED STATEMENTS OF OPERATIONS
(UNAUDITED)
Three Months Ended June 30,Six Months Ended June 30, Three Months Ended March 31,
2020201920202019 20212020
(Dollars in millions)
OPERATING REVENUEOPERATING REVENUEOPERATING REVENUE
Operating revenueOperating revenue$1,207  1,308  2,442  2,616  Operating revenue$1,170 1,235 
Operating revenue - affiliatesOperating revenue - affiliates592  720  1,275  1,442  Operating revenue - affiliates622 683 
Total operating revenueTotal operating revenue1,799  2,028  3,717  4,058  Total operating revenue1,792 1,918 
OPERATING EXPENSESOPERATING EXPENSESOPERATING EXPENSES
Cost of services and products (exclusive of depreciation and amortization)Cost of services and products (exclusive of depreciation and amortization)490  565  963  1,147  Cost of services and products (exclusive of depreciation and amortization)439 473 
Selling, general and administrativeSelling, general and administrative139  157  282  314  Selling, general and administrative107 143 
Operating expenses - affiliatesOperating expenses - affiliates164  219  359  414  Operating expenses - affiliates194 195 
Depreciation and amortizationDepreciation and amortization327  337  655  673  Depreciation and amortization317 328 
Total operating expensesTotal operating expenses1,120  1,278  2,259  2,548  Total operating expenses1,057 1,139 
OPERATING INCOMEOPERATING INCOME679  750  1,458  1,510  OPERATING INCOME735 779 
OTHER (EXPENSE) INCOMEOTHER (EXPENSE) INCOMEOTHER (EXPENSE) INCOME
Interest expenseInterest expense(75) (96) (150) (191) Interest expense(48)(75)
Interest expense - affiliates, netInterest expense - affiliates, net(16) (15) (32) (31) Interest expense - affiliates, net(31)(16)
Other (expense) income, net(5)  (13) 14  
Other expense, netOther expense, net(6)(8)
Total other expense, netTotal other expense, net(96) (106) (195) (208) Total other expense, net(85)(99)
INCOME BEFORE INCOME TAXESINCOME BEFORE INCOME TAXES583  644  1,263  1,302  INCOME BEFORE INCOME TAXES650 680 
Income tax expenseIncome tax expense153  167  330  338  Income tax expense168 177 
NET INCOMENET INCOME$430  477  933  964  NET INCOME$482 503 
See accompanying notes to consolidated financial statements.
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QWEST CORPORATION
CONSOLIDATED BALANCE SHEETS
June 30, 2020 (Unaudited)December 31, 2019March 31, 2021 (Unaudited)December 31, 2020
(Dollars in millions) (Dollars in millions)
ASSETSASSETS  ASSETS  
CURRENT ASSETSCURRENT ASSETS  CURRENT ASSETS  
Cash and cash equivalentsCash and cash equivalents$  Cash and cash equivalents$10 14 
Accounts receivable, less allowance of $42 and $39413  514  
Advances to affiliates482  1,842  
Accounts receivable, less allowance of $53 and $61Accounts receivable, less allowance of $53 and $61340 364 
OtherOther141  128  Other143 122 
Total current assetsTotal current assets1,041  2,486  Total current assets493 500 
Property, plant and equipment, net of accumulated depreciation of $8,020 and $7,7468,294  8,170  
Property, plant and equipment, net of accumulated depreciation of $8,522 and $8,347Property, plant and equipment, net of accumulated depreciation of $8,522 and $8,3478,258 8,309 
GOODWILL AND OTHER ASSETSGOODWILL AND OTHER ASSETS  GOODWILL AND OTHER ASSETS 
GoodwillGoodwill9,360  9,360  Goodwill9,360 9,360 
Other intangible assets, netOther intangible assets, net567  779  Other intangible assets, net245 343 
Other, netOther, net185  204  Other, net149 147 
Total goodwill and other assetsTotal goodwill and other assets10,112  10,343  Total goodwill and other assets9,754 9,850 
TOTAL ASSETSTOTAL ASSETS$19,447  20,999  TOTAL ASSETS$18,505 18,659 
LIABILITIES AND STOCKHOLDER'S EQUITYLIABILITIES AND STOCKHOLDER'S EQUITYLIABILITIES AND STOCKHOLDER'S EQUITY
CURRENT LIABILITIESCURRENT LIABILITIES  CURRENT LIABILITIES  
Current maturities of long-term debtCurrent maturities of long-term debt$302  1,105  Current maturities of long-term debt$948 948 
Accounts payableAccounts payable288  403  Accounts payable231 292 
Advances from affiliatesAdvances from affiliates520 592 
Note payable - affiliateNote payable - affiliate1,100  1,069  Note payable - affiliate1,158 1,130 
Accrued expenses and other liabilitiesAccrued expenses and other liabilities  Accrued expenses and other liabilities 
Salaries and benefitsSalaries and benefits184  276  Salaries and benefits147 178 
Income and other taxesIncome and other taxes132  94  Income and other taxes125 95 
OtherOther202  261  Other190 186 
Current portion of deferred revenueCurrent portion of deferred revenue185  201  Current portion of deferred revenue182 183 
Total current liabilitiesTotal current liabilities2,393  3,409  Total current liabilities3,501 3,604 
LONG-TERM DEBTLONG-TERM DEBT4,358  4,846  LONG-TERM DEBT2,156 2,386 
DEFERRED CREDITS AND OTHER LIABILITIESDEFERRED CREDITS AND OTHER LIABILITIES  DEFERRED CREDITS AND OTHER LIABILITIES  
Deferred income taxes, netDeferred income taxes, net1,186  1,198  Deferred income taxes, net1,242 1,249 
Affiliate obligations, netAffiliate obligations, net673  717  Affiliate obligations, net642 637 
OtherOther714  712  Other684 685 
Total deferred credits and other liabilitiesTotal deferred credits and other liabilities2,573  2,627  Total deferred credits and other liabilities2,568 2,571 
COMMITMENTS AND CONTINGENCIES (Note 8)
COMMITMENTS AND CONTINGENCIES (Note 7)COMMITMENTS AND CONTINGENCIES (Note 7)00
STOCKHOLDER'S EQUITYSTOCKHOLDER'S EQUITY  STOCKHOLDER'S EQUITY  
Common stock - 1 share without par value, owned by Qwest Services CorporationCommon stock - 1 share without par value, owned by Qwest Services Corporation10,050  10,050  Common stock - 1 share without par value, owned by Qwest Services Corporation10,050 10,050 
Retained earningsRetained earnings73  67  Retained earnings230 48 
Total stockholder's equityTotal stockholder's equity10,123  10,117  Total stockholder's equity10,280 10,098 
TOTAL LIABILITIES AND STOCKHOLDER'S EQUITYTOTAL LIABILITIES AND STOCKHOLDER'S EQUITY$19,447  20,999  TOTAL LIABILITIES AND STOCKHOLDER'S EQUITY$18,505 18,659 
See accompanying notes to consolidated financial statements.
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QWEST CORPORATION
CONSOLIDATED STATEMENTS OF CASH FLOWS
(UNAUDITED)
Six Months Ended June 30, Three Months Ended March 31,
20202019 20212020
(Dollars in millions) (Dollars in millions)
OPERATING ACTIVITIESOPERATING ACTIVITIES  OPERATING ACTIVITIES  
Net incomeNet income$933  964  Net income$482 503 
Adjustments to reconcile net income to net cash provided by operating activities:Adjustments to reconcile net income to net cash provided by operating activities:  Adjustments to reconcile net income to net cash provided by operating activities:  
Depreciation and amortizationDepreciation and amortization655  673  Depreciation and amortization317 328 
Deferred income taxesDeferred income taxes(19) (65) Deferred income taxes(7)(11)
Provision for uncollectible accountsProvision for uncollectible accounts31  27  Provision for uncollectible accounts13 
Accrued interest on affiliate noteAccrued interest on affiliate note31  30  Accrued interest on affiliate note28 31 
Net loss on early retirement of debtNet loss on early retirement of debt19  —  Net loss on early retirement of debt12 
Changes in current assets and liabilities:Changes in current assets and liabilities:  Changes in current assets and liabilities: 
Accounts receivableAccounts receivable73  (7) Accounts receivable17 36 
Accounts payableAccounts payable(69) (32) Accounts payable(7)(20)
Accrued income and other taxesAccrued income and other taxes38   Accrued income and other taxes30 67 
Other current assets and liabilities, netOther current assets and liabilities, net(197) (60) Other current assets and liabilities, net(64)(154)
Other current assets and liabilities - affiliates, netOther current assets and liabilities - affiliates, net—   Other current assets and liabilities - affiliates, net(16)
Changes in other noncurrent assets and liabilities, netChanges in other noncurrent assets and liabilities, net17  18  Changes in other noncurrent assets and liabilities, net(14)10 
Changes in affiliate obligations, netChanges in affiliate obligations, net(36) (44) Changes in affiliate obligations, net(18)
Other, netOther, net (3) Other, net12 
Net cash provided by operating activitiesNet cash provided by operating activities1,484  1,505  Net cash provided by operating activities814 785 
INVESTING ACTIVITIESINVESTING ACTIVITIES  INVESTING ACTIVITIES  
Capital expendituresCapital expenditures(606) (517) Capital expenditures(219)(317)
Changes in advances to affiliatesChanges in advances to affiliates1,360  (303) Changes in advances to affiliates1,147 
Proceeds from sale of property, plant and equipment and other assetsProceeds from sale of property, plant and equipment and other assets 23  Proceeds from sale of property, plant and equipment and other assets
Net cash provided by (used in) investing activities755  (797) 
Net cash (used in) provided by investing activitiesNet cash (used in) provided by investing activities(211)830 
FINANCING ACTIVITIESFINANCING ACTIVITIES  FINANCING ACTIVITIES  
Payments of long-term debtPayments of long-term debt(1,311) (6) Payments of long-term debt(235)(1,109)
Dividends paid to Qwest Services Corporation(925) (700) 
Dividends paidDividends paid(300)(500)
Changes in advances from affiliatesChanges in advances from affiliates(72)
Net cash used in financing activitiesNet cash used in financing activities(2,236) (706) Net cash used in financing activities(607)(1,609)
Net increase in cash, cash equivalents and restricted cash  
Net (decrease) increase in cash, cash equivalents and restricted cashNet (decrease) increase in cash, cash equivalents and restricted cash(4)
Cash, cash equivalents and restricted cash at beginning of periodCash, cash equivalents and restricted cash at beginning of period  Cash, cash equivalents and restricted cash at beginning of period15 
Cash, cash equivalents and restricted cash at end of periodCash, cash equivalents and restricted cash at end of period$  Cash, cash equivalents and restricted cash at end of period$11 10 
Supplemental cash flow information:Supplemental cash flow information:  Supplemental cash flow information:  
Income taxes paid, netIncome taxes paid, net$(336) (391) Income taxes paid, net$(172)(179)
Interest paid (net of capitalized interest of $17 and $13)$(172) (189) 
Interest paid (net of capitalized interest of $5 and $10)Interest paid (net of capitalized interest of $5 and $10)$(37)(81)
Cash, cash equivalents and restricted cash:Cash, cash equivalents and restricted cash:Cash, cash equivalents and restricted cash:
Cash and cash equivalentsCash and cash equivalents$  Cash and cash equivalents$10 
Restricted cash included in Other, net noncurrent assets  
Restricted cash - noncurrentRestricted cash - noncurrent
TotalTotal$  Total$11 10 
See accompanying notes to consolidated financial statements.
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QWEST CORPORATION
CONSOLIDATED STATEMENTS OF STOCKHOLDER'S EQUITY
(UNAUDITED)
Three Months Ended June 30,Six Months Ended June 30, Three Months Ended March 31,
2020201920202019 20212020
(Dollars in millions) (Dollars in millions)
COMMON STOCKCOMMON STOCKCOMMON STOCK
Balance at beginning of periodBalance at beginning of period$10,050  10,050  10,050  10,050  Balance at beginning of period$10,050 10,050 
Balance at end of periodBalance at end of period10,050  10,050  10,050  10,050  Balance at end of period10,050 10,050 
RETAINED EARNINGS (ACCUMULATED DEFICIT)RETAINED EARNINGS (ACCUMULATED DEFICIT)RETAINED EARNINGS (ACCUMULATED DEFICIT)
Balance at beginning of periodBalance at beginning of period68  (23) 67  (182) Balance at beginning of period48 67 
Net incomeNet income430  477  933  964  Net income482 503 
Cumulative effect of adoption of ASU 2016-02, Leases
—  —  —  22  
Cumulative effect of adoption of ASU 2016-13, Measurement of Credit losses, net $1 tax
—  —   —  
Dividends declared to Qwest Services Corporation(425) (350) (925) (700) 
Cumulative net effect of adoption of ASU 2016-13, Measurement of Credit Losses, net $(1) tax
Cumulative net effect of adoption of ASU 2016-13, Measurement of Credit Losses, net $(1) tax
— 
Dividends declared and paid to Qwest Services CorporationDividends declared and paid to Qwest Services Corporation(300)(500)
OtherOther—  —  (5) —  Other(5)
Balance at end of periodBalance at end of period73  104  73  104  Balance at end of period230 68 
TOTAL STOCKHOLDER'S EQUITYTOTAL STOCKHOLDER'S EQUITY$10,123  10,154  10,123  10,154  TOTAL STOCKHOLDER'S EQUITY$10,280 10,118 
See accompanying notes to consolidated financial statements.
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QWEST CORPORATION
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(UNAUDITED)
Unless the context requires otherwise, references in this report to "QC" refer to Qwest Corporation, references to "Qwest," "we," "us," and "our" refer to Qwest Corporation and its consolidated subsidiaries, references to "QSC" refer to our direct parent company, Qwest Services Corporation and its consolidated subsidiaries, and references to "CenturyLink""Lumen Technologies" or "Lumen" refer to our ultimate parent company, CenturyLink,Lumen Technologies, Inc. and its consolidated subsidiaries including Level 3 Parent, LLC, referred to as "Level 3".

(1) Background

General

We are an integrated communications company engaged primarily in providing a broad array of communications services to our residentialmass markets and business customers. Our specific products and services are detailed in Note 7—Products and Services 3—Revenue Recognition of this report.

We generate the majority of our total consolidated operating revenue from services provided in the 14-state region of Arizona, Colorado, Idaho, Iowa, Minnesota, Montana, Nebraska, New Mexico, North Dakota, Oregon, South Dakota, Utah, Washington and Wyoming. We refer to this region as our local service area.

Basis of Presentation

Our consolidated balance sheet as of December 31, 2019,2020, 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 footnote 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 SEC; however, in our opinion, the disclosures made are adequate to make the information presented not misleading. We believe that these consolidated financial statements include all normal recurring adjustments necessary to fairly present the results for the interim periods. The consolidated results of operations and cash flows for the first sixthree 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, 2019.2020.

The accompanying consolidated financial statements include our accounts and the accounts of our subsidiaries. Intercompany amounts and transactions with our consolidated subsidiaries have been eliminated. Transactions with our non-consolidated affiliates (referred to herein as affiliates) have not been eliminated.

We reclassified certain prior period amounts to conform to the current period presentation, including the categorization of our revenue by product and service categories. See Note 3—Revenue Recognition for additional information. These changes had no impact on total operating revenue, total operating expenses or net income (loss) for the six months ended June 30, 2020 and 2019.any period.

Operating lease assets are included in Other, net under goodwill and other assets on our consolidated balance sheets. Current operating lease liabilities are included in Other under accrued expenses and other liabilities on our consolidated balance sheets. Noncurrent operating lease liabilities are included in Other under deferred credits and other liabilities on our consolidated balance sheets.

Segments

Our operations are integrated into and reported as part of CenturyLink. CenturyLink'sLumen Technologies. Lumen's chief operating decision maker ("CODM") is our CODM but reviews our financial information on an aggregate basis only in connection with our quarterly and annual reports that we file with the SEC. Consequently, we do not provide our discrete financial information to the CODM on a regular basis. As such, we have 1 reportable segment.

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Summary of Significant Accounting Policies

The significant accounting policy below is in addition to the significant accounting policies described in Note 11—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, 2019.

Change in Accounting Policy

During the first quarter of 2020, we elected to change the presentation for taxes assessed by a governmental authority that are both imposed on and concurrent with a specific revenue-producing transaction, including federal and certain state Universal Service Fund ("USF") regulatory fees, to present all such taxes on a net basis in our statement of operations. Prior to the first quarter of 2020, we assessed whether we were the primary obligor or principal taxpayer for the taxes assessed in each jurisdiction where we do business. The previous policy resulted in presenting such USF fees on a gross basis within operating revenue and cost of services and products, and all other significant taxes on a net basis. We applied this change in accounting policy retrospectively during the first quarter of 2020. As a result, we have decreased both operating revenue and cost of services and products by $22 million and $23 million for the three months ended June 30, 2020 and 2019, respectively, and $47 million and $48 million for the six months ended June 30, 2020 and 2019, respectively. The change had no impact on operating income or net income in our consolidated statements of operations. Refer to our Form 8-K filing dated May 7, 2020 for further information.

We changed our policy to present such taxes on the net basis and believe the new policy is preferable because of the historical and potential future regulatory rate changes outside of our control resulting in significant variability in tax and fee revenue that are not indicative of our operating performance. We believe that net presentation provides the most useful and transparent financial information and improves comparability and consistency of financial results.

Operating Lease Income

Qwest leases various data transmission capacity, office facilities, switching facilities and other network sites to third parties under operating leases. Lease and sublease income are included in operating revenue in theour consolidated statements of operations.

For both the three months ended June 30,March 31, 2021 and 2020, and 2019, our gross rental income was $78$79 million, and $82 million, respectively, which represents approximately 4% and 4%, respectively, of our operating revenue for the three months ended June 30, 2020 and 2019. For the six months ended June 30, 2020 and 2019, our gross rental income was $157 million and $163 million, respectively, which represents approximately 4% and 4%, respectively, of our operating revenue for the six months ended June 30, 2020 and 2019.each period.

Recently Adopted Accounting Pronouncements

Financial InstrumentsDebt

In June 2016,On January 1, 2021, we adopted ASU 2020-09, "Debt (Topic 470) Amendments to SEC Paragraphs Pursuant to SEC Release No. 33-10762" ("ASU 2020-09"). This ASU amends and supersedes various SEC paragraphs to reflect SEC Release No. 33-10762, which includes amendments to the Financial Accounting Standards Board ("FASB") issued ASU 2016-13, "Measurement of Credit Losses on Financial Instruments".financial disclosure requirements applicable to registered debt offerings that include credit enhancements, such as subsidiary guarantees. The primary impactadoption of ASU 2016-13 for us is a change in the model for the recognition of credit losses related2020-09 did not have an impact to our consolidated financial instruments from an incurred loss model, which recognized credit losses only if it was probable that a loss had been incurred, to an expected loss model, which requires us to estimate the total credit losses expected on the portfolio of financial instruments.statements.

Investments
We adopted
ASU 2016-13 onOn January 1, 20202021, we adopted ASU 2020-01, "Investments - Equity Securities (Topic 321), Investments - Equity Method and recognizedJoint Ventures (Topic 323), and Derivatives and Hedging (Topic 815) - Clarifying the Interactions between Topic 321, Topic 323, and Topic 815)" ("ASU 2020-01"). This ASU, among other things, clarifies that a cumulative adjustmentcompany should consider observable transactions that require a company to either apply or discontinue the equity method of accounting under Topic 323, Investments - Equity Method and Joint Ventures, for the purposes of applying the measurement alternative in accordance with Topic 321 immediately before applying or upon discontinuing the equity method. As of March 31, 2021, we determined there was no application or discontinuation of the equity method during the reporting periods. The adoption of ASU 2020-01 did not have an impact to our retained earnings as of the date of adoption of $3 million net of tax effect. Please refer to Note 4—Credit Losses on Financial Instruments for more information.consolidated financial statements.

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Recently Issued Accounting PronouncementsIncome taxes

In December 2019, the FASB issuedOn January 1, 2021, we adopted ASU 2019-12, "Simplifying the Accounting for Income Taxes (Topic 740740)" ("ASU 2019-12"). This ASU 2019-12 removes certain exceptions for investments, intra-period allocations and interim calculations, and adds guidance to reduce complexity in accounting for income taxes. The adoption of ASU 2019-12 will become effective for us in the first quarter of fiscal 2021 and early adoption is permitted. We dodid not believe the adoption will have a significantmaterial impact onto our consolidated financial statements.

Measurement of Credit Losses on Financial Instruments

We adopted ASU 2016-13, "Measurement of Credit Losses on Financial Instruments" ("ASU 2016-13") on January 1, 2020 and recognized a cumulative adjustment to our accumulated deficit as of the date of adoption of $3 million, net of tax effect of $1 million. Please refer to Note 4—Credit Losses on Financial Instruments for more information.
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Recently Issued Accounting Pronouncements

In March 2020, the FASB issued ASU 2020-04, "Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting. ReportingThe " ("ASU is intended2020-04"), designed to help stakeholders duringease the burden of accounting for contract modifications related to the global market-wide reference rate transition period. Therefore, it will be in effect for a limited time through December 31, 2022. We are evaluatingSubject to certain criteria, ASU 2020-04 provides qualifying entities the optionaloption to apply expedients and exceptions for applying generally accepted accounting principles to contract modifications and hedging accounting relationships subjectmade until December 31, 2022. These amendments are effective immediately and may be applied prospectively to meeting certain criteria, that reference LIBORcontract modifications made and hedging relationships entered into or anotherevaluated on or before December 31, 2022. ASU 2020-04 provides optional guidance for a limited time to ease the potential burden in accounting for reference rate expected to be discontinuedreform. As of March 31, 2021, we are evaluating the existing contracts and the related impact on our consolidated financial statements.

(2) Goodwill, Customer Relationships and Other Intangible Assets

Goodwill, customer relationships and other intangible assets consisted of the following:
June 30, 2020December 31, 2019
(Dollars in millions)
Goodwill$9,360  9,360  
Other intangible assets subject to amortization:
Customer relationships, less accumulated amortization of $5,426 and $5,231$273  468  
Other intangible assets, less accumulated amortization of $1,817 and $1,780294  311  
Total other intangible assets, net$567  779  
March 31, 2021December 31, 2020
(Dollars in millions)
Goodwill$9,360 9,360 
Customer relationships, less accumulated amortization of $5,699 and $5,611$88 
Other intangible assets, less accumulated amortization of $1,850 and $1,831245 255 
Total other intangible assets, net$245 343 

Substantially all of our goodwill was derived from CenturyLink'sLumen's acquisition of us where the purchase price exceeded the fair value of the net assets acquired.

We assess our goodwill for impairment annually as of October 31, 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 in periods in which the carrying value of equity exceeds the estimated fair value of equity, limited to the amount of goodwill. Our annualGoodwill is evaluated for impairment assessment date for goodwill is October 31, at which date we assessed goodwill at ourthe reporting unit. In reviewing the criteria for reporting units,unit level, and we have determined that we arehave 1 reporting unit.

Because CenturyLink's low stock price was a trigger for impairment testing, we estimated the fair value of our operations using only the market approach in the quarter ended March 31, 2019. Applying this approach, we utilized company comparisons and analyst reports within the telecommunications industry, which have historically supported a range of fair values of annualized revenue and EBITDA multiples between 2.1x and 4.9x and 4.9x and 9.8x, respectively. We selected a revenue and EBITDA multiple within this range. As of March 31, 2019, based on our assessments performed as described above, we concluded that our goodwill was not impaired as of that date.

The market multiples approach that we used in the quarter ended March 31, 2019 incorporated significant estimates and assumptions related to the forecasted results for the remainder of the year, including revenues, expenses, and the achievement of certain cost synergies. In developing the market multiple, we also considered observed trends of our industry participants. Our assessment included many qualitative factors that required significant judgment. Alternative interpretations of these factors could have resulted in different conclusions regarding the size of our impairments.

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During the first half of 2020, we observed a decline in CenturyLink's stock price as a result of events occurring after the end of 2019, including the COVID-19 pandemic. We evaluated whether such events would indicate the fair value of our reporting unit was below its carrying value. We believe these events have impacted the global economy more directly than us, and when considered with other factors, we have concluded it is not more likely than not that the fair value of our reporting unit was less than its carrying value for the period ended June 30, 2020. In light of the negative impacts of COVID-19 on the global economy, we will continue to evaluate the general economic trends which could have an impact on our assessment of whether it is more likely than not that the fair value of our reporting unit is less than its carrying amount. Future changes could cause our reporting unit fair value to be less than its carrying value, resulting in potential impairments of our goodwill which could have a material effect on our results of operations and financial condition. The extent of the impact, if any, will depend on future developments including the length and severity of the pandemic and its long-term impacts on the overall economy.

As of June 30, 2020,2021, the gross carrying amount of goodwill, customer relationships and other intangible assets was $17.2 billion. The total amortization expense for intangible assets for the three months ended June 30,March 31, 2021 and 2020 and 2019 totaled $121$110 million and $134 million, respectively, and for the six months ended June 30, 2020 and 2019 totaled $245 million and $271$124 million, respectively.

We estimate that total amortization expense for intangible assets for the years ending December 31, 20202021 through 20242025 will be as follows:
(Dollars in millions)(Dollars in millions)
2020 (remaining six months)$259  
2021150  
2021 (remaining nine months)2021 (remaining nine months)$64 
2022202249  202285 
2023202339  202360 
2024202431  202412 
2025202510 

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(3) Revenue Recognition

Beginning in the first quarter of 2021, we categorize our products, services and revenue among the following 4 categories:
Voice and Other, which includes primarily local voice services, private line and other legacy services. This category also includes Universal Service Fund ("USF") and Connect America Fund Phase II ("CAF II") support payments and other operating revenue. We receive support payments from state USF programs and from the federal CAF II program. These support payments are government subsidies designed to reimburse us for various costs related to certain telecommunications services. During the three months ended March 31, 2021, we recorded approximately $36 million of revenue from the CAF II program that will end as of December 31, 2021.

Fiber Infrastructure Services, which includes high speed, fiber-based and lower speed DSL-based broadband services, and optical network services;

IP and Data Services, which consists primarily of Ethernet services;

Affiliate Services, which are telecommunication services that we also provide to external customers. In addition, we provide to our affiliates computer system development and support services, network support and technical services.

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

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Reconciliation of Total Revenue to Revenue from Contracts with Customers

The following table provides our total revenue by product and service category as well as the amount of revenue that is not subject to ASC 606, "Revenue from Contracts with Customers" ("ASC 606"), but is instead governed by other accounting standards:
Three Months Ended June 30,Six Months Ended June 30,
2020201920202019
 (Dollars in millions)
Total revenue$1,799  2,028  3,717  4,058  
Adjustments for non-ASC 606 revenue (1)
(121) (125) (242) (252) 
Total revenue from contracts with customers$1,678  1,903  3,475  3,806  

Three Months Ended March 31, 2021Three Months Ended March 31, 2020
Total Revenue
Adjustments for Non-ASC 606 Revenue (1)
Total Revenue from Contracts with CustomersTotal Revenue
Adjustments for Non-ASC 606 Revenue (1)
Total Revenue from Contracts with Customers
(Dollars in millions)
Voice and other$543 (85)458 590 (89)501 
Fiber Infrastructure504 (31)473 513 (31)482 
IP and Data Services123 123 132 132 
Affiliate Services622 (3)619 683 (1)682 
Total revenue$1,792 (119)1,673 1,918 (121)1,797 

(1)Includes regulatory revenue and lease revenue sublease rental income and revenue from fiber capacity lease arrangements which are not within the scope of ASC 606.

Customer Receivables and Contract Balances

The following table provides balances of customer receivables, contract assets and contract liabilities as of June 30, 2020March 31, 2021 and December 31, 2019:2020:
June 30, 2020December 31, 2019March 31, 2021December 31, 2020
(Dollars in millions) (Dollars in millions)
Customer receivables (1)
Customer receivables (1)
$356  430  
Customer receivables (1)
$342 346 
Contract assetsContract assets13  18  Contract assets12 13 
Contract liabilitiesContract liabilities294  338  Contract liabilities301 300 

(1)Gross customer receivables, including gross affiliate receivables, of $390$387 million and $462$396 million, net of allowance for doubtful accounts of $34$45 million and $32$50 million, at June 30, 2020March 31, 2021 and December 31, 2019,2020, respectively.

Contract liabilities consist of 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 ranges from one to five years depending on the service. Contract liabilities are included within deferred revenue in our consolidated balance sheets. During the three and six months ended June 30,March 31, 2021 and March 31, 2020, we recognized $13$163 million and $197$184 million, respectively, of revenue that was included in contract liabilities as of January 1, 2020. During the three2021 and six months ended June 30, 2019, we recognized $4 million and $265 million, respectively, of revenue that was included in contract liabilities as of January 1, 2019.2020, respectively.

Performance Obligations

As of June 30, 2020,March 31, 2021, our estimated revenue expected to be recognized in the future related to performance obligations associated with existing customer contracts that are unsatisfied (or partially satisfied)or wholly unsatisfied is approximately $162$167 million. We expect to recognize approximately 98%99% of this revenue through 2022,2023, with the balance recognized thereafter.

These amounts exclude (i) the value of unsatisfied performance obligations for contracts for which we recognize revenue at the amount to 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), and (ii) contracts that are classified as leasing arrangements that are not subject to ASC 606.

606.
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Contract Costs

The following table provides changes in our contract acquisition costs and fulfillment costs:
Three Months Ended June 30, 2020Three Months Ended June 30, 2019
Acquisition CostsFulfillment CostsAcquisition CostsFulfillment Costs
 (Dollars in millions)
Beginning of period balance$84  61  90  57  
Costs incurred13   13  15  
Amortization(16) (8) (16) (12) 
End of period balance$81  59  87  60  

Six Months Ended June 30, 2020Six Months Ended June 30, 2019Three Months Ended March 31, 2021Three Months Ended March 31, 2020
Acquisition CostsFulfillment CostsAcquisition CostsFulfillment CostsAcquisition CostsFulfillment CostsAcquisition CostsFulfillment Costs
(Dollars in millions) (Dollars in millions)
Beginning of period balanceBeginning of period balance$86  64  90  57  Beginning of period balance$73 54 86 64 
Costs incurredCosts incurred27  12  29  19  Costs incurred11 14 
AmortizationAmortization(32) (17) (32) (16) Amortization(15)(8)(16)(9)
End of period balanceEnd of period balance$81  59  87  60  End of period balance$69 52 84 61 

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 communications services to customers, including labor and materials consumed for these activities.

Deferred acquisition and fulfillment costs are amortized based on the transfer of services on a straight-line basis over the average customer life of 30 months for consumermass markets customers and average contract life of 29 months for business customers. Amortized fulfillment costs are included in cost of services and products and amortized acquisition costs are included in selling, general and administrative expenses in our consolidated statements of operations. The amount of these deferred costs that are anticipated to be amortized in the next twelve12 months are included in other current assets on our consolidated balance sheets. The amount of deferred costs expected to be amortized beyond the next twelve12 months is included in other non-current assets on our consolidated balance sheets. Deferred acquisition and fulfillment costs are assessed for impairment on an annual basis.

(4) Credit Losses on Financial Instruments

In accordance with ASC 326, "Financial Instruments - Credit Losses" ("ASC 326") we aggregate financial assets with similar risk characteristics to align our expected credit losses with the credit quality or deterioration over the life of such assets. We monitor certain risk characteristics within our aggregated financial assets and revise their composition accordingly, to the extent internal and external risk factors change each reporting period. Financial assets that do not share risk characteristics with other financial assets are evaluated separately. Our financial assets measured at amortized cost primarily consist of accounts receivable.

In developing our accounts receivable portfolio, we pooled certain assets with similar credit risk characteristics based on the nature of our customers, their industry, policies used to grant credit terms and their historical and expected credit loss patterns.

Prior to the adoption of the new credit loss standard, the allowance for doubtful accounts receivable reflected our best estimate of probable losses inherent in our receivable portfolio determined based on historical experience, specific allowances for known troubled accounts, and other currently available evidence.

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We implemented the new standard effective January 1, 2020, using a loss rate method to estimate our allowance for credit losses. Our determination of the current expected credit loss rate begins with theour use of historical loss experience as a percentage of accounts receivable. We measure our historical loss period based on the average days to moverecognize accounts receivable toas credit loss.losses. When asset specific characteristics and current conditions change from those in the historical period, due to changes in our credit and collections strategy, certain classes of aged balances, or credit loss and recovery policies, we perform a qualitative and quantitative assessment to update our current loss rate, which as noted below has increased due to an increase in historic loss experience and weakening economic forecasts. We use regression analysis to develop an expected loss rate using historical experience and economic data over a forecast period. We measure our forecast period based on the average days to collect payment on billed accounts receivable. The historical, current, and expected credit loss rates are combined and applied to period end accounts receivable, which results in our allowance for credit losses.

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If there is a deterioration of a customer's financial condition or if future default rates in general differ from currently anticipated default rates (including changes caused by COVID-19), we may need to adjust the allowance for credit losses, which would affect earnings in the period that adjustments are made.

The assessment of the correlation between historical observed default rates, current conditions and forecasted economic conditions requires judgment. Alternative interpretations of these factors could have resulted in different conclusions regarding the allowance for credit losses. The amount of credit loss is sensitive to changes in circumstances and forecasted economic conditions. Our historical credit loss experience, current conditions and forecast of economic conditions may also not be representative of the customers' actual default experience in the future.

The following table presents the activity of our allowance for credit losses by accounts receivable portfolio:portfolio for the three months ended March 31, 2021:
BusinessConsumerTotalBusinessMass MarketsTotal
(Dollars in millions)(Dollars in millions)
Beginning balance at January 1, 2020 (1)
$17  18  35  
Beginning balance at January 1, 2021 (1)
Beginning balance at January 1, 2021 (1)
$25 36 61 
Provision for expected lossesProvision for expected losses17  14  31  Provision for expected losses
Write-offs charged against the allowanceWrite-offs charged against the allowance(12) (18) (30) Write-offs charged against the allowance(7)(10)(17)
Recoveries collectedRecoveries collected   Recoveries collected
Ending Balance at June 30, 2020$24  18  42  
Ending balance at March 31, 2021Ending balance at March 31, 2021$23 30 53 
______________________________________________________________________ 
(1)The beginning balance includesDue to an internal reorganization of our reporting categories on January 1, 2021, our accounts receivable portfolios were changed to align with changes to how we manage our customers. Allowance for credit losses previously included in the cumulative effectConsumer and Business portfolio of $32 million and $4 million, respectively, were reclassified to the adoptionMass Markets allowance for credit losses on January 1, 2021, as a result of new credit loss standard.this change.

For the sixthree months ended June 30, 2020,March 31, 2021, we increaseddecreased our allowance for credit losses for our business and consumermass markets accounts receivable portfolioportfolios primarily due to an increasehigher write-off activity in historical and expected loss experience, which we believe is predominantly attributablethe quarter with the easing of prior delays due to the current COVID-19 induced economic slowdown, and recoveries collected.related restrictions in 2020.

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(5) Long-Term Debt and Note Payable - Affiliate

The following chart reflects (i) the consolidated long-term debt of Qwest Corporation and its subsidiaries, including finance lease and other obligations, unamortized premiums, net, unamortized debt issuance costs and (ii) note payable - affiliate:
Interest Rates (1)
MaturitiesJune 30, 2020December 31, 2019
Interest Rates (1)
Maturities (1)
March 31, 2021December 31, 2020
  (Dollars in millions)   (Dollars in millions)
Senior notesSenior notes6.125% - 7.750%2021 - 2057$4,656  5,956  Senior notes6.500% - 7.750%2021 - 2057$2,935 3,170 
Term loan (2)
Term loan (2)
LIBOR + 2.00%2025100  100  
Term loan (2)
LIBOR + 2.00%2027215 215 
Finance lease and other obligationsFinance lease and other obligationsVariousVarious 10  Finance lease and other obligationsVariousVarious
Unamortized premiums, netUnamortized premiums, net   —  Unamortized premiums, net  
Unamortized debt issuance costsUnamortized debt issuance costs(107) (115) Unamortized debt issuance costs(54)(62)
Total long-term debtTotal long-term debt  4,660  5,951  Total long-term debt  3,104 3,334 
Less current maturitiesLess current maturities  (302) (1,105) Less current maturities  (948)(948)
Long-term debt, excluding current maturitiesLong-term debt, excluding current maturities  $4,358  4,846  Long-term debt, excluding current maturities  $2,156 2,386 
Note payable - affiliateNote payable - affiliate5.561%2022$1,100  1,069  Note payable - affiliate4.883%2022$1,158 1,130 

(1)As of June 30, 2020.March 31, 2021.
(2)Qwest Corporation's Term Loan had an interest raterates of 2.180%2.110% as of June 30, 2020March 31, 2021 and 3.800%2.150% as of December 31, 2019.2020.
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Long-Term Debt Maturities

Set forth below is the aggregate principal amount of our long-term debt as of June 30, 2020March 31, 2021 (excluding unamortized premiums, and discountsnet and unamortized debt issuance costs and excluding note payable-affiliate) maturing during the following years:
(Dollars in millions)(Dollars in millions)
2020 (remaining six months)$301  
2021951  
2021 (remaining nine months)2021 (remaining nine months)$951 
20222022 2022
20232023 2023
20242024 2024
2025 and thereafter3,508  
20252025250 
2026 and thereafter2026 and thereafter1,951 
Total long-term debtTotal long-term debt$4,763  Total long-term debt$3,153 

Redemption of Senior Notes

On January 15, 2020, Qwest CorporationFebruary 16, 2021, we fully redeemed all$850 $235 million aggregate principal amount of itsour outstanding6.875%senior notes due 2033 and all$250 million aggregate principal amount of its outstanding7.125% senior notes due 2043. On June 29, 2020, Qwest Corporation partially redeemed $200 million aggregate principal amount of its outstanding 6.875% 7.000% Senior Notes due 2054 (the "6.875% Notes"). These transactions2056. The redemption of the Senior Notes resulted in a loss of $19 million.$8 million for the three months ended March 31, 2021.

On June 30, 2020, Quest Corporation issued notices to redeem the remaining $300 million in outstanding principal amount of its 6.875% Notes, effective August 7, 2020, see "Subsequent Event" below.

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Note Payable - Affiliate

On September 30, 2017, Qwest Corporation entered into an amended and restated revolving promissory note in the amount of $965 million withis currently indebted to an affiliate of our ultimate parent company, CenturyLink, IncLumen Technologies, Inc., under a revolving promissory note that provides Qwest Corporation with a funding commitment of up to $965 million in aggregate principal amount (the "Intercompany Note"). This Intercompany Note amended and replaced the original $1.0 billion revolving promissory note Qwest Corporation entered into on April 18, 2012 with the same affiliate. The outstanding principal balance owed by Qwest Corporation under the Intercompany Note and the accrued interest thereon is due and payable on demand, but if no demand is made, then on June 30, 2022. Interest is accrued on the outstanding principal balance during the respective interest period using a weighted average per annum interest rate on the consolidated outstanding debt of CenturyLinkLumen Technologies, Inc. and its subsidiaries. As of June 30, 2020, the Intercompany Note had an outstanding balance of $1.1 billion and bore interest at a weighted-average interest rate of 5.561%. As of June 30, 2020March 31, 2021 and December 31, 2019,2020, the Intercompany Note is reflected on our consolidated balance sheets as a current liability under "Note payable - affiliate". In accordance with the terms of the Intercompany Note, interest shall be assessed on June 30th and December 31st (an "Interest Period"). Any assessed interest for an Interest Period that remains unpaid on the last day of the subsequent Interest Period is capitalized to be capitalizedthe outstanding principal balance on such date and isdate. Due to begin accruing interest. Through June 30, 2020, $135 million of suchthe amount the unpaid interest has been capitalized since entering intoinception of the Intercompany Note. AsNote, the outstanding principal balance at March 31, 2021 is approximately $1.2 billion. Additionally, as of June 30, 2020, $31March 31, 2021, $14 million of accrued interest is reflected in other current liabilities on our consolidated balance sheet.

Compliance

As of June 30, 2020,March 31, 2021, we believe we were in compliance with the financial covenants contained in our material debt agreements in all material respects.

Other

For additional information on our long-term debt and credit facilities, see Note 5—6—Long-Term Debt and Revolving Promissory Note Payable - Affiliate 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, 2019.

Subsequent Event

On August 7, 2020, Qwest Corporation completed the redemption of the remaining $300 million aggregate principal amount of its outstanding 6.875% Notes.2020.

(6) Fair Value Disclosure

Our financial instruments consist of cash and cash equivalents, restricted cash, accounts receivable, advances to affiliates, accounts payable, note payable-affiliate and long-term debt, excluding finance lease and other obligations. Due to their short-term nature, the carrying amounts of our cash and cash equivalents, and restricted cash, accounts receivable, advances to affiliates, accounts payable and note payable-affiliate approximate their fair values.
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The three input levels in the hierarchy of fair value measurements are defined by the Fair Value Measurement and Disclosure framework generally as follows:
Input LevelDescription of Input
Level 1Observable inputs such as quoted market prices in active markets.
Level 2Inputs other than quoted prices in active markets that are either directly or indirectly observable.
Level 3Unobservable inputs in which little or no market data exists.

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The following table presents the carrying amounts and estimated fair values of our long-term debt, excluding finance lease and other obligations, as well as the input level used to determine the fair values indicated below:
  June 30, 2020December 31, 2019
 Input
Level
Carrying
Amount
Fair
Value
Carrying
Amount
Fair
Value
  (Dollars in millions)
Liabilities—Long-term debt (excluding finance lease and other obligations)2$4,653  4,609  5,941  6,258  
  March 31, 2021December 31, 2020
 Input
Level
Carrying
Amount
Fair
Value
Carrying
Amount
Fair
Value
  (Dollars in millions)
Liabilities—Long-term debt (excluding finance lease and other obligations)2$3,101 3,305 3,328 3,532 

(7) Products and Services Revenue

We are an integrated communications company engaged primarily in providing an array of communications services, including local voice, broadband, private line (including business data services), Ethernet, network access, information technology and other ancillary services. We strive to maintain our customer relationships by, among other things, bundling our service offerings to provide our customers with a complete offering of integrated communications services.

We categorize our products, services and revenue among the following 6 categories:

IP and Data Services, which include primarily VPN data networks, Ethernet, IP and other ancillary services;

Transport and Infrastructure, which include broadband, private line (including business data services) and other ancillary services;

Voice and Collaboration, which includes primarily local voice, including wholesale voice, and other ancillary services;

IT and Managed Services, which include information technology services and managed services, which may be purchased in conjunction with our other network services;

Regulatory Revenue, which consist of Connect America Fund ("CAF") support payments and other operating revenue. We receive federal support payments from the federal CAF program. These support payments are government subsidies designed to reimburse us for various costs related to certain telecommunications services including the costs of deploying, maintaining and operating voice and broadband infrastructure in high-cost rural areas where we are not able to fully recover our costs from our customers; and

Affiliate Services, which are telecommunication services that we also provide to external customers. In addition, we provide to our affiliates computer system development and support services, network support and technical services.

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

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Our operating revenue for our products and services consisted of the following categories:
 Three Months Ended June 30,Six Months Ended June 30,
 2020201920202019
 (Dollars in millions)
IP and Data Services$131  145  267  285  
Transport and Infrastructure651  696  1,308  1,397  
Voice and Collaboration380  419  775  837  
IT and Managed Services—     
Regulatory Revenue45  47  91  95  
Affiliate Services592  720  1,275  1,442  
Total operating revenue$1,799  2,028  3,717  4,058  

(8) 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. As a matter of course, we are prepared to both litigate these matters to judgment as needed, as well as to evaluate and consider reasonable settlement opportunities.

Irrespective of its merits, litigation may be both lengthy and disruptive to our operations and could cause significant expenditure and diversion of management attention. 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. Amounts accrued for our litigation and non-income tax contingencies at June 30, 2020March 31, 2021, aggregated to approximately $23$19 million and are included in “Other” current liabilities and “Other Liabilities” in our consolidated balance sheet as of such date. 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, when we refer to a class action as "putative" it is because a class has been alleged, but not certified in that matter.

Principal Proceedings

Switched Access Disputes

Subsidiaries of CenturyLink, Inc., including us, are among hundreds of companies involved in an industry-wide dispute, raised in nearly 100 federal lawsuits (filed between 2014 and 2016) that have been consolidated in the United States District Court for the Northern District of Texas for pretrial procedures. The disputes relate to switched access charges that local exchange carriers ("LECs") collect from interexchange carriers ("IXCs") for IXCs' use of LEC's access services. In the lawsuits, IXCs, including Sprint Communications Company L.P. ("Sprint") and various affiliates of Verizon Communications Inc. ("Verizon"), assert that federal and state laws bar LECs from collecting access charges when IXCs exchange certain types of calls between mobile and wireline devices that are routed through an IXC. Some of these IXCs have asserted claims seeking refunds of payments for access charges previously paid and relief from future access charges.

In November 2015, the federal court agreed with the LECs and rejected the IXCs' contention that federal law prohibits these particular access charges. Final judgements were entered in the consolidated lawsuits, and the IXCs appealed. In May 2020, the appellate court rendered a decision in favor of the LECs. Separately, some of the defendants, including us, have petitioned the FCC to address these issues on an industry-wide basis.

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The outcome of these disputes and lawsuits, as well as any related regulatory proceedings that could ensue, are currently not predictable.
Principal Proceedings

Billing Practices Suits

In June 2017, a former employee of CenturyLinka Lumen Technologies subsidiary filed an employment lawsuit against Lumen Technologies (at the time known as CenturyLink, Inc.) claiming that she was wrongfully terminated for alleging that CenturyLinkLumen charged some of its retail customers for products and services they did not authorize. Starting shortly thereafter and continuing since then, andThereafter, based in part on the allegations made by the former employee, several legal proceedings have been filed.

In June 2017, McLeod v. CenturyLink, a putativewere filed, including consumer class action, was filed against CenturyLinkactions in the U.S. District Court for the Central District of California alleging that it charged some of its retail customers for products and services they did not authorize. Other complaints asserting similar claims have been filed in other federal and state courts, as well. The lawsuits assert claims including fraud, unfair competition, and unjust enrichment. Also, in June 2017, Craig. v. CenturyLink, Inc., et al., a putativeseries of securities investor class action, was filedactions in U.S. District Court for the Southern District of New York, alleging that it failed to disclose material information regarding improper sales practices,federal courts, and asserting federal securities law claims. A number of other cases asserting similar claims have also been filed.

Beginning June 2017, CenturyLink received several shareholder derivative demands addressing related topics. In August 2017, CenturyLink's Board of Directors formed a special litigation committee of outside directors to address the allegations of impropriety containedactions in the shareholder derivative demands. In April 2018, the special litigation committee concluded its review of the derivative demandsfederal and declined to take further action. Since then,Louisiana state courts. The derivative cases were filed in Louisiana state court in the Fourth Judicial District Court for the Parish of Ouachita and in federal court in Louisiana and Minnesota. These cases have been brought on behalf of CenturyLink, Inc. against certain current and former officers and directors of the Company and seek damages for alleged breaches of fiduciary duties.

The consumer putative class actions, the securities investor putative class actions, and the federal derivative actions have beenwere transferred to the U.S. District Court for the District of Minnesota for coordinated and consolidated pretrial proceedings as In Re: CenturyLink Sales Practices and Securities Litigation. Subject to confirmatory discovery and court approval, CenturyLink agreed to settleLumen Technologies has settled the consumer putativeand securities investor class actions for payments of $15.5 million to compensateactions. The consumer class settlement was approved by the Court and is final. Approximately 12,000 potential class members and of up to $3.5 million for administrative costs. In the second quarter of 2019, CenturyLink accrued for these obligations, and a portion of the administrative costs has been expended in 2020. Certain class members may electelected to opt out of the consumer class settlement, and pursueLumen Technologies has settled the resolutionclaims of their individual claims against us on these issues through various dispute resolution processes, including individual arbitration. Oneapproximately 11,000 such class members asserted by one law firm claimssubject to represent more than22,000potentialcertain conditions. The securities investors class members. Tosettlement entails a payment of $55 million, which Lumen expects to be paid by its insurers. That settlement has received preliminary court approval and is subject to certain conditions including final approval by the extent that a substantial number of class members, meet the contractual requirements to arbitrate, elect to opt out of the settlement (or otherwise successfully exclude their individual claims), and actually pursue arbitrations, CenturyLink and we could incur a material amount of filing and other arbitrations fees in relation to the administration of those claims.Court. The derivative actions remain pending.

In July 2017, the Minnesota state attorney general filed State of Minnesota v. CenturyTel Broadband Services LLC, et al. in the Anoka County Minnesota District Court, alleging claims of fraud and deceptive trade practices relating to improper consumer sales practices.

CenturyLinkLumen has engaged in discussions regarding potential resolutions of theserelated claims with a number of state attorneys general, and havehas entered into agreements settling the Minnesota suit and certain of the consumer practices claims asserted by state attorneys general. While CenturyLinkLumen Technologies does not agree with allegations raised in these matters, it has been willing to consider reasonable settlements where appropriate.

Other Proceedings, Disputes and Contingencies

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

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We are currently defending several patent infringement lawsuits asserted against us by non-practicing entities, many of which are seeking substantial recoveries. These cases have progressed to various stages andone 1 or more may go to trial during 2020 if they are not otherwise resolved. Where applicable, we are seeking full or partial indemnification from our vendors and suppliers. As with all litigation, we are vigorously defending these actions and, as a matter of course, are prepared to litigate these matters to judgment, as well as to evaluate and consider all reasonable settlement opportunities.

We are subject to various 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 $100,000$300,000 in fines and penalties.

The outcome of these other proceedings described under this heading is 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 above in this Note do not reflect all of our contingencies. For additional information on our contingencies, see Note 16—Commitments, Contingencies and Other Items to the financial statements included in Item 8 of Part II of our Annual Report on Form 10-K for the year ended December 31, 2019.2020. 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 currently viewed as immaterial by us may ultimately materially impact us.
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(9)(8) Dividends

From time to time we may declare and pay dividends to our direct parent company, QSC, sometimes in excess of our earnings to the extent permitted by applicable law. Our debt covenants do not currently limit the amount of dividends we can pay to QSC.

During the sixthree months ended June 30,March 31, 2021 and 2020, and 2019, we declared and paid dividends to QSC of $925$300 million and $700$500 million, respectively. Dividends paid are reflected on our consolidated statements of cash flows as financing activities.

(10)(9) Other Financial Information

Other Current Assets

The following table presents details of other currents assets reflected in our consolidated balance sheets:
June 30, 2020December 31, 2019
(Dollars in millions)
Prepaid expenses$56  41
Contract acquisition costs49  50
Contract fulfillment costs28  28
Other 9
Total other current assets$141  128

March 31, 2021December 31, 2020
(Dollars in millions)
Prepaid expenses$62 40
Contract acquisition costs45 47
Contract fulfillment costs29 28
Other7
Total other current assets$143 122

Other Noncurrent Liabilities

The following table presents details of other noncurrent liabilities in our consolidated balance sheets:

March 31, 2021December 31, 2020
(Dollars in millions)
Unrecognized tax benefits$451 448
Deferred revenue109 108
Noncurrent operating lease liability70 76
Other54 53
Total other noncurrent liabilities$684 685

(11)(10) Labor Union Contracts
    
As of June 30, 2020,March 31, 2021, approximately 46% of our employees were represented by the Communication Workers of America ("CWA") or the International Brotherhood of Electrical Workers ("IBEW"). During the third quarter of 2019, we reached new agreements with each of the CWA and IBEW, which represented all of the above noted represented employees. Therefore, there are no collective bargaining agreements that are scheduled to expire over the next 12 months.month period ending March 31, 2022. We believe relations with our employees continue to be generally good.

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ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
Unless the context requires otherwise, references in this report to "QC" refer to Qwest Corporation, references to "Qwest," "we," "us" and "our" refer to Qwest Corporation and its consolidated subsidiaries, and references to "QSC" refer to Qwest Services Corporation.
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" appearing at the beginning of this report and "Risk Factors" set forth or referenced in Item 1A of Part II of this report or other of our filings with the SEC for a discussion of certain factors that could cause our actual results to differ from our anticipated results or otherwise impact 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 MD&A and the other information included in our Annual Report on Form 10-K for the year ended December 31, 2019,2020, and with the consolidated financial statements and related notes in Item 1 of Part I of this report. The results of operations for the first sixthree months of the year are not necessarily indicative of the results of operations that might be expected for the entire year.

We are an integrated communications company engaged primarily in providing an array of communications services to our business and residentialmass markets customers. Our specific products and services are detailed in Note 7—Products and Services 3—Revenue Recognition of this report.

Our ultimate parent company, CenturyLink,Lumen Technologies, Inc. ("CenturyLink"), has cash management arrangements between certainwith a majority of its subsidiaries that include lines of credit, affiliate obligations, capital contributions and dividends. As part of these cash management arrangements, affiliates provide lines of credit to certain other affiliates. Amounts outstanding under these lines of credit and intercompany obligations vary from time to time. Under these arrangements, the majority of our cash balance is advanced on a daily basis for centralized management by CenturyLink'sLumen's service company affiliate. From time to time we may declare and pay dividends to QSC, our direct parent, using cash owed to us under these advances, which has the net effect of reducing the amount of these advances. We report the balance of these transfers on our consolidated balance sheet as advances to affiliates.

At June 30, 2020,March 31, 2021, we served approximately 3.02.9 million broadband subscribers. Our methodology for counting broadband subscribers may not be comparable to those of other companies.

Impact of COVID-19 Pandemic

In response to the safety and economic challenges arising out of the COVID-19 pandemic and in a continued attempt to mitigate the negative impact on our stakeholders, we have taken over the past several months a variety of steps to ensure the availability of our network infrastructure, to promote the safety of our employees and customers, to enable us to continue to adapt and provide our products and services worldwide to our customers, and to strengthen our communities. TheseIn addition to other actions described in our earlier reports, these steps have included:

CenturyLink taking the FCC’s “Keep Americans Connected Pledge,” which obligated us in certain circumstances to waive late fees and to forego certain service terminations through the end of the second quarter of 2020;

establishing new protocols for the safety of our on-site technicians and customers, including our “Safe Connections” program;

adopting a rigorous employee work-from-home policy and substantially restricting non-essential business travel;

continuously monitoring our network to enhance its ability to respond to changes in usage patterns;
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donating products or services in several of our communities to enhance their abilities to provide necessary support services; and
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taking steps to maintain our internal controls and the security of our systems and data in a remote work environment.

As the crisispandemic continues, we may revise our responses or take additional steps to adjust to changed circumstances.

Social distancing, business and school closures, travel restrictions and other actions taken in response to the pandemic have impacted us, our customers and our business since March 2020. In particular, as discussed further elsewhere herein, thewe have tracked pandemic impacts, including: (i) increasedincreases in certain of our revenue streams and decreaseddecreases in others (including late fee revenue) and, (ii) caused us to increase ourincreases in allowances for credit losses.losses through the end of 2020, (iii) increases in overtime expenses, (iv) delays in our cost transformation initiatives and (v) an acceleration of our real estate rationalization efforts and the incurrence of related costs. Thus far, these changes have not materially impacted our financial performance or financial position. This could change, however, if the pandemic intensifies or economicposition, and, barring any unforeseen changes in conditions, further deteriorate.we do not expect these changes to materially impact us during 2021. The impact of the pandemic after the secondfirst quarter of 20202021 will materially depend on additional steps that we may take in response to the pandemic and various events outside of our control, including the length and severity of the health crisis and economic slowdown,dislocations, actions taken by central banks, governmental agencies or legislative bodies, and the impact of those events on our employees, suppliers and customers. For additional information, see the risk factor disclosures set forth or referenced in Item 1A of Part III of this report.our Annual Report on Form 10-K for the year ended December 31, 2020.

For additional information on the impacts of the pandemic, see the remainder of this item, including "— Liquidity and Capital Resources — Pension and Post-retirement Benefit Obligations."

For the reasons noted in Note 1—Background to our consolidated financial statements in Item 1 of Part I of this report, we believe we have one reportable segment.

We categorize our products, services and revenue among the following sixfour categories:

Voice and Other, which includes primarily local voice services, private line and other legacy services. This category also includes Universal Service Fund ("USF") and CAF II support payments and other operating revenue. We receive support payments from state USF programs and from the federal CAF II program. These support payments are government subsidies designed to reimburse us for various costs related to certain telecommunications services. During the three months ended March 31, 2021, we recorded approximately $36 million of revenue from the CAF II program that will end as of December 31, 2021.

Fiber Infrastructure Services, which includes high speed, fiber-based and lower speed DSL-based broadband services, and optical network services;

IP and Data Services, which includeconsists primarily VPN data networks,of Ethernet IP and other ancillary services;

Transport and Infrastructure, which include broadband, private line (including business data services) and other ancillary services;

Voice and Collaboration, which includes primarily local voice, including wholesale voice, and other ancillary service;

IT and Managed Services, which include information technology services and managed services, which may be purchased in conjunction with our other network services;

Regulatory Revenue, which consist of Connect America Fund ("CAF") support payments and other operating revenue. We receive federal support payments from the federal CAF program; and

Affiliate Services,which are telecommunication services that we also provide to external customers. In addition, we provide to our affiliates computer system development and support services, network support and technical services.

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

The following analysis is organized to provide the information we believe will be useful for understanding material trends affecting our business.

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Results of Operations

The following table summarizes the results of our consolidated operations for the three and six months ended June 30, 2020March 31, 2021 and 2019:2020:
 Three Months Ended June 30,Six Months Ended June 30,
 2020201920202019
 (Dollars in millions)
Operating revenue$1,799  2,028  3,717  4,058  
Operating expenses1,120  1,278  2,259  2,548  
Operating income679  750  1,458  1,510  
Total other expense, net(96) (106) (195) (208) 
Income before income taxes583  644  1,263  1,302  
Income tax expense153  167  330  338  
Net income$430  477  933  964  

 Three Months Ended March 31,
 20212020
 
Operating revenue$1,792 1,918 
Operating expenses1,057 1,139 
Operating income735 779 
Total other expense, net(85)(99)
Income before income taxes650 680 
Income tax expense168 177 
Net income$482 503 

For a discussion of certain trends that impact our business, see the MD&A discussion of trends impacting CenturyLink'sLumen's business included in CenturyLink'sLumen's reports filed with the SEC, including most recently its Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2020.March 31, 2021.

Operating Revenue

The following tables summarize our consolidated operating revenue recorded under each of our six above-describedfour revenue categories:
Three Months Ended June 30,% Change
20202019
(Dollars in millions)
IP and Data Services$131  145  (10)%
Transport and Infrastructure651  696  (6)%
Voice and Collaboration380  419  (9)%
IT and Managed Services—   nm
Regulatory Revenue45  47  (4)%
Affiliate Services592  720  (18)%
Total operating revenue$1,799  2,028  (11)%
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 Six Months Ended June 30,% Change
 20202019
 (Dollars in millions) 
IP and Data Services$267  285  (6)%
Transport and Infrastructure1,308  1,397  (6)%
Voice and Collaboration775  837  (7)%
IT and Managed Services  (50)%
Regulatory Revenue91  95  (4)%
Affiliate Services1,275  1,442  (12)%
Total operating revenue$3,717  4,058  (8)%
 Three Months Ended March 31,% Change
 20212020
 (Dollars in millions) 
Voice and other$543 590 (8)%
Fiber Infrastructure504 513 (2)%
IP and Data Services123 132 (7)%
Affiliate Services622 683 (9)%
Total operating revenue$1,792 1,918 (7)%

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

Total operating revenue decreased by $229$126 million or 11%, and $341 million, or 8%, respectively, for the three and six months ended June 30, 2020March 31, 2021 as compared to the three and six months ended June 30, 2019. TheMarch 31, 2020. Approximately half of the decrease in our operating revenue for both periods was driven by lower affiliate service revenues due to the transfer of employees, and the revenues related to the services those employees provide, from us to an affiliate. The remaining decline in revenue was primarily due to decreases in all of our revenue categories driven primarily by decreases in our voice, private line, broadband and private line services as well as affiliate services revenue.Ethernet services.
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Operating Expenses

The following tables summarize our consolidated operating expenses:
Three Months Ended June 30,% ChangeThree Months Ended March 31,% Change
20202019% Change20212020% Change
(Dollars in millions)(Dollars in millions)
Cost of services and products (exclusive of depreciation and amortization)Cost of services and products (exclusive of depreciation and amortization)$490  565  (13)%Cost of services and products (exclusive of depreciation and amortization)$439 473 (7)%
Selling, general and administrativeSelling, general and administrative139  157  (11)%Selling, general and administrative107 143 (25)%
Operating expenses - affiliatesOperating expenses - affiliates164  219  (25)%Operating expenses - affiliates194 195 (1)%
Depreciation and amortizationDepreciation and amortization327  337  (3)%Depreciation and amortization317 328 (3)%
Total operating expensesTotal operating expenses$1,120  1,278  (12)%Total operating expenses$1,057 1,139 (7)%

 Six Months Ended June 30,% Change
 20202019
 (Dollars in millions) 
Cost of services and products (exclusive of depreciation and amortization)$963  1,147  (16)%
Selling, general and administrative282  314  (10)%
Operating expenses - affiliates359  414  (13)%
Depreciation and amortization655  673  (3)%
Total operating expenses$2,259  2,548  (11)%

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

Cost of services and products (exclusive of depreciation and amortization) decreased by $75$34 million or 13%, and $184 million, or 16%, respectively, for the three and six months ended June 30, 2020March 31, 2021 as compared to the three and six months ended June 30, 2019.March 31, 2020. The decrease in our cost of services and products (exclusive of depreciation and amortization) for both periods was primarily due to reductions in salaries and wages and employee-related expenses resulting from lower headcount partially offset by increased network related costs due to increased customer installation, repair and maintenance costs.headcount.

Selling, General and Administrative

Selling, general and administrative expenses decreased by $18$36 million or 11%, and $32 million, or 10%, respectively, for the three and six months ended June 30, 2020March 31, 2021 as compared to the three and six months ended June 30, 2019.March 31, 2020. The decrease in our selling, general and administrative expenses for both periods was primarily due to reductions in salariesa reduction of professional fees and wagesemployee costs, lower property taxes, lower bad debt expense, and employee-related expenses from lower headcount and lower marketing and advertising expenses.a gain on the sale of property during the first quarter of 2021.

Operating Expenses - Affiliates

Operating expenses - affiliates decreased by $55 million or 25%, and $55 million, or 13%, respectively,remained consistent for the three and six months ended June 30, 2020March 31, 2021 as compared to the three and six months ended June 30, 2019. The decrease in operating expenses - affiliates for both periods was primarily due to the decline in the level of services provided to us by our affiliates.March 31, 2020.

Depreciation and Amortization

The following tables provide details of our depreciation and amortization expense:
Three Months Ended June 30,% Change
20202019
(Dollars in millions)
Depreciation$206  203  %
Amortization121  134  (10)%
Total depreciation and amortization$327  337  (3)%

 Three Months Ended March 31,% Change
 20212020
(Dollars in millions) 
Depreciation$207 204 %
Amortization110 124 (11)%
Total depreciation and amortization$317 328 (3)%

 Six Months Ended June 30,% Change
 20202019
(Dollars in millions) 
Depreciation$410  402  %
Amortization245  271  (10)%
Total depreciation and amortization$655  673  (3)%

Depreciation expense is impacted by several factors, including changes in our depreciable cost basis, changes in our estimates of the remaining economic life of certain network assets and the addition of new plant. Depreciation expense increased by $3 million or 1%, and $8 million, or 2%, respectively, for the three and six months ended June 30, 2020March 31, 2021 as compared to the three and six months ended June 30, 2019. The increase in depreciation expense for both periods wasMarch 31, 2020 primarily due to net growtha $13 million increase resulting from an increase in depreciable assets, which was partially offset by the impacta decrease of $9 million resulting from annual rate depreciable life changes.changes for certain telecommunications equipment.

Amortization expense decreased by $13$14 million or 10%, and $26 million, or 10%, respectively, for the three and six months ended June 30, 2020March 31, 2021 as compared to the three and six months ended June 30, 2019. The decrease in amortization expense for both periods wasMarch 31, 2020 primarily due to an $11 million decrease from the effect of using an accelerated amortization method resulting in an incremental decline in expense as the intangible assets amortize.amortize and a $3 million decrease associated with annual rate amortizable life changes of software for the period.

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Other Consolidated Results
The following table summarizestables summarize our total other (expense) incomeexpense, net and income tax expense:
Three Months Ended June 30,% Change
20202019
(Dollars in millions)
Interest expense$(75) (96) (22)%
Interest expense - affiliates, net(16) (15) %
Other (expense) income, net(5)  nm
Total other expense, net$(96) (106) (9)%
Income tax expense$153  167  (8)%

 Six Months Ended June 30,% Change
 20202019
 (Dollars in millions) 
Interest expense$(150) (191) (21)%
Interest expense - affiliates, net(32) (31) %
Other (expense) income, net(13) 14  nm
Total other expense, net$(195) (208) (6)%
Income tax expense$330  338  (2)%

nm Percentages greater than 200% and comparisons between positive and negative values or to/from zero values are considered not meaningful.
 Three Months Ended March 31,% Change
 20212020
 (Dollars in millions) 
Interest expense$(48)(75)(36)%
Interest expense - affiliates, net(31)(16)94 %
Other (expense) income, net(6)(8)(25)%
Total other expense, net$(85)(99)(14)%
Income tax expense$168 177 (5)%

Interest Expense

Interest expense decreased by $21$27 million or 22%, and $41 million, or 21%, respectively, for the three and six months ended June 30, 2020March 31, 2021 as compared to the three and six months ended June 30, 2019. The decrease in interest expense wasMarch 31, 2020. These decreases were primarily due to (i) athe decrease in average long-term debt from $6.0$4.9 billion to $4.8$3.2 billion as well as aand the decrease in theour average interest rate from 6.67%6.58% to 6.57%6.44%, for the three months ended June 30, 2019March 31, 2020 compared to the three months ended June 30, 2020, and (ii) a decrease in average long-term debt from $6.0 billion to $5.3 billion, as well as a decrease in the average interest rate from 6.67% to 6.61%, for the six months ended June 30, 2019 compared to the six months ended June 30, 2020.March 31, 2021.

Interest Expense - Affiliates, Net

Affiliated interest expense, net increased by $1$15 million or 7%, and $1 million, or 3%, respectively, for the three and six months ended June 30, 2020March 31, 2021 as compared to the three and six months ended June 30, 2019.March 31, 2020. The increase in interest expense - affiliates, net for both periods was due primarily due to the compoundingincrease in outstanding advances from our affiliates, which incur interest forat the Intercompany Note.same rate as the note payable to our affiliate. See Note 5—Long-Term Debt and Note Payable - Affiliate.

Other (Expense) Income,Expense, Net

OtherThe following table summarizes our total other (expense) income, net reflects certain items not directly related to our core operations, including interest income, gains and losses from non-operating asset dispositions and components of net periodic pension and post-retirement benefit costs. Other income, net decreased by $10 million and $27 million, respectively, for the three and six months ended June 30, 2020 as compared to the three and six months ended June 30, 2019. The decrease in other income, net for both periods was primarily due to a loss on the retirement of debt and a reduction of interest income.net:
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Three Months Ended March 31,
20212020% Change
(Dollars in millions)
Loss on extinguishment of debt$(8)(12)(33)%
Interest income— (100)%
Other income, net(33)%
Total other expense, net$(6)(8)(25)%

Income Tax Expense

Income tax expense for the three and six months ended June 30, 2020March 31, 2021 was $153 million and $330$168 million, or an effective tax ratesrate of 26.2% and 26.1%25.8%, respectively, compared to $167 million and $338$177 million, or an effective tax ratesrate of 25.9% and 26.0%, respectively, for the three and six months ended June 30, 2019.March 31, 2020.

Liquidity and Capital Resources

Overview of Sources and Uses of Cash

We are an indirectly wholly-owned subsidiary of CenturyLink.Lumen Technologies, Inc. As such, factors relating to, or affecting, CenturyLink'sLumen's liquidity and capital resources could have material impacts on us, including impacts on our credit ratings, our access to capital markets and changes in the financial market's perception of us.

CenturyLink
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Lumen Technologies has cash management arrangements between certainwith a majority of its subsidiaries that include lines of credit, affiliate advances and obligations, capital contributions and dividends. As part of these cash management arrangements, affiliates provide lines of credit to certain other affiliates. Amounts outstanding under these lines of credit and intercompany obligations vary from time to time. Under these arrangements, the majority of our cash balance is advanced on a daily basis for centralized management by CenturyLink'sLumen's service company affiliate. From time to time we may declare and pay dividends to our stockholder, QSC, sometimes in excess of our earnings to the extent permitted by applicable law, using cash owed to us under these advances, which has the net effect of reducing the amount of these advances. Our debt covenants do not currently limit the amount of dividends we can pay to QSC. Given our cash management arrangement with our ultimate parent, CenturyLink,Lumen Technologies, Inc., and the resulting amounts due to us from CenturyLink,Lumen Technologies, Inc., a significant component of our liquidity is dependent upon CenturyLink'sLumen Technologies, Inc.'s ability to repay its obligation to us.

We anticipate that our future liquidity needs will be met through (i) our cash provided by our operating activities, (ii) amounts due to us from CenturyLink,Lumen Technologies, (iii) our ability to refinance QC's debt securities at maturity and (iv) capital contributions, advances or loans from CenturyLinkLumen Technologies or its affiliates if and to the extent they have available funds or access to available funds that they are willing and able to contribute, advance or loan.

Capital Expenditures

We incur capital expenditures on an ongoing basis in order to enhance and modernize our networks, compete effectively in our markets and expand and improve our service offerings. CenturyLinkLumen Technologies evaluates 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 the expected return on investment. The amount of CenturyLink’sLumen’s consolidated capital investment is influenced by, among other things, demand for CenturyLink’sLumen’s services and products, cash flow generated by operating activities, cash required for other purposes and regulatory considerations (such as CenturyLink'sLumen's CAF II infrastructure buildout requirements). For more information on CenturyLink’sLumen’s total capital expenditures, please see its annual and quarterly reports filed with the SEC.

For more information on our capital spending, see "Historical Information—Investing Activities" below and Item 1A of Part I of our Annual Report on Form 10-K for the year ended December 31, 2019 and Item 1A of Part II of this report.2020.

Debt and Other Financing Arrangements

On February 16, 2021, we fully redeemed all $235 million aggregate principal amount of our outstanding 7.000% Senior Notes due 2056. As of March 31, 2021, we had a face amount of approximately $3.2 billion aggregate outstanding indebtedness (excluding finance leases, unamortized premiums, net and unamortized debt issuance costs). Approximately $950 million of our outstanding debt is due in the next 12 months (excluding finance lease obligations).

Subject to market conditions, and to the extent feasible, we expect to continue to issue debt securities, under Qwest Corporation, from time to time in the future primarily to refinance a substantial portion of our maturing debt. The availability, interest rate and other terms of any new borrowings will depend on the ratings assigned to Qwest Corporation by credit rating agencies, among other factors. We have no remaining debt maturities due in the next 12 months excluding finance lease obligations after redeeming the remaining $300 million aggregate principal amount of the 6.875% Notes on August 7, 2020.

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As of the date of this report, the credit ratings for Qwest Corporation's senior unsecured debt were as follows:
AgencyCredit Ratings
Standard & Poor'sBBB-
Moody's Investors Service, Inc.Ba2
Fitch RatingsBB+

CenturyLink, Inc.'sLumen's and Qwest Corporation's credit ratings are reviewed and adjusted from time to time by the rating agencies. For additional information regarding CenturyLink'sLumen's and Qwest Corporation's funding arrangements, see "RiskRisk Factors—Risk Related to CenturyLink's Recently-Completed Acquisition of Level 3" and "Risks Affecting Liquidity and Capital Resources"Financial Risks in Item 1A of Part I of our Annual Report on Form 10-K for the year ended December 31, 2019 and Item 1A2020.
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Term Loan

In 2015,October 2020, we entered intoborrowed $215 million under a variable rate term loan in the amount of $100 million with CoBank ACB. The outstanding unpaid principal amount of this term loan plus any accrued and unpaid interest is due on February 20, 2025.October 23, 2027. Interest is paid monthlyat least quarterly based upon either the London Interbank Offered Rate (“LIBOR”)LIBOR or the base rate (as defined in the credit agreement) plus an applicable margin between 1.50% to 2.50% per annum for LIBOR loans and 0.50% to 1.50% per annum for base rate loans depending on ourQwest Corporation's then current senior unsecured long-term debt rating. At both June 30, 2020March 31, 2021 and December 31, 2019,2020, the outstanding principal balance on this term loan was $100$215 million.


Note Payable - Affiliate

The Intercompany Note (as defined in Note 5—Long-Term Debt and Note Payable - Affiliate) was entered into in 2017 between Qwest Corporation and an affiliate of our ultimate parent company, CenturyLink, IncLumen Technologies, Inc., in the amount of $965 million. The outstanding principal balance owed by us under the Intercompany Note and the accrued interest thereon is due and payable on demand, but if no demand is made, then on June 30, 2022. Interest is accrued on the outstanding balance during an interest period using a weighted average per annum interest rate on the consolidated outstanding debt of CenturyLinkLumen Technologies, Inc. and its subsidiaries. As of June 30, 2020,March 31, 2021, the weighted average interest rate was 5.561%4.883%. As of June 30, 2020March 31, 2021 and December 31, 2019,2020, the Intercompany Note is reflected on our consolidated balance sheets as a current liability under note payable - affiliate. As of June 30, 2020, $31March 31, 2021, $14 million of accrued interest is reflected in other current liabilities on our consolidated balance sheets.

For additional information about our indebtedness, see Note 5—Long-Term Debt and Note Payable - Affiliate.

Dividends

We periodically pay dividends to QSC, our direct parent company. See Note 9—8—Dividends and the discussion above under the heading "Overview".

Pension and Post-retirement Benefit Obligations

CenturyLinkLumen Technologies is subject to material obligations under its existing defined benefit pension plans and post-retirement benefit plans. At December 31, 2019,2020, the accounting unfunded status of CenturyLink'sLumen's qualified and non-qualified defined benefit pension plans and qualified post-retirement benefit plans was approximately $1.8$1.7 billion and approximately $3.0 billion, respectively. For additional information about CenturyLink'sLumen's pension and post-retirement benefit arrangements, see "Critical Accounting Policies and Estimates—PensionsPension and Post-Retirement Benefits"Benefit Obligations" in Item 7 of CenturyLink'sLumen's Annual Report on Form 10-K for the year ended December 31, 20192020 and see Note 9—10—Employee Benefits to the consolidated financial statements in Item 8 of Part II of the same report.

A substantial portion of our active and retired employees participate in CenturyLink'sLumen's qualified pension plan and post-retirement benefit plans. On December 31, 2014, the Qwest Communications International Inc. ("QCII") pension plan and a pension plan of an affiliate were merged into the CenturyLink Retirement Plan, which was renamedis now named the CenturyLinkLumen Combined Pension Plan. Our contributions are not segregated or restricted to pay amounts due to our employees and may be used to provide benefits to other employees of our affiliates. Prior to the pension plan merger, the above-noted employees participated in the QCII pension plan.

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Benefits paid by CenturyLink'sLumen's qualified pension plan are paid through a trust that holds all of the plan's assets. Based on current laws and circumstances, CenturyLinkLumen Technologies does not expect any contributions to be required for their qualified pension plan during 2020.2021. The amount of required contributions to CenturyLink'sLumen's qualified pension plan in 2021 and beyond will depend on a variety of factors, most of which are beyond their control, including earnings on plan investments, prevailing interest rates, demographic experience, changes in plan benefits and changes in funding laws and regulations. CenturyLinkLumen Technologies occasionally makes voluntary contributions in addition to required contributions. CenturyLink doesAlthough Lumen Technologies believes it is not currently expectrequired to make a voluntary contributioncontributions to the trust for its qualified pension plan in 2020.2021 based on current laws and circumstances, it could make voluntary contributions.

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Substantially all of CenturyLink'sLumen's post-retirement health care and life insurance benefits plans are unfunded. Several trusts hold assets that have been used to help cover the health care costs of certain retirees. As of December 31, 2019, assets in the post-retirement trusts had been substantially depletedunfunded and had a fair value of $13 million (a portion of which was comprised of investments with restricted liquidity), which has significantly limited CenturyLink's ability to continue paying benefits from the trusts; however, CenturyLink will continue to pay certain benefits through the trusts. Benefits notare paid from the trusts are expected to be paid directly by CenturyLinkLumen Technologies with available cash.

The affiliate obligations, net in current and noncurrent liabilities on our consolidated balance sheets primarily represents the cumulative allocation of expenses, net of payments, associated with QCII's pension plans and post-retirement benefits plans prior to the plan mergers. In 2015, we agreed to a plan to settle the outstanding pension and post-retirement affiliate obligations, net balance with QCII over a 30 year term. Under the plan, payments are scheduled to be made on a monthly basis. For the sixthree months ended June 30, 2020,March 31, 2021, we made settlement payments of $36received a $5 million refund from QCII due to QCIIoverpayments in accordance with the plan.prior periods. Changes in the affiliate obligations, net are reflected in operating activities on our consolidated statements of cash flows. For 2020,2021, we expect to make aggregate settlement payments,net of $72the first quarter refund, of $45 million to QCII under the plan.

The capital markets have been volatile during 2020, partially as a result of the COVID-19 outbreak. Federal governmental actions to stimulate the economy have significantly impacted interest rates. These events could ultimately affect the funding levels of our pension plans and calculations of our liabilities under our pension and other post-employment benefit plans.

For 2020, CenturyLink's2021, Lumen's estimated annual long-term ratesrate of return net of administrative costs, are 6% and 4% for theon pension plan trust assets and post-retirement plans' trust assets, respectively, based on the assets currently held.is 5.5%. However, actual returns could be substantially different.

For additional information, see “Risk Factors—Risks Affecting Our LiquidityFinancial Risks—Increases in costs for pension and Capital Resources—Adverse changes in the value of assets or obligations associated with CenturyLink’s qualified pension plan could negativelyhealthcare benefits for our active and retired employees may have a material impact CenturyLink’s liquidity, which may in turn affect our business and liquidity”on us. in Item 1A of Part I of our Annual Report on Form 10-K for the year ended December 31, 2019 and Item 1A of Part II of this report.2020.

Future Contractual Obligations

For information regarding our estimated future contractual obligations, see 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, 2019.
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2020.

Connect America FundFederal Broadband Support Programs

As a result of acceptingSince 2015, Lumen has been receiving over $500 million annually through CAF II, support payments,a program that will end this year. Our current share of this CAF II funding is approximately $145 million annually. In connection with CAF II funding, we must meet certain specified infrastructure buildout requirements in 13 states by the end of 2021, which will obligate us to continue makingrequires substantial capital expenditures through next year. Weexpenditures. While we are on track to meet the requirement this year, we cannot provide any assurances that we will be able to timely meet all of our mandated buildout requirements. In accordance with the Federal Communications Commission's ("FCC") January 2020 order, we elected to receive an additional year of CAF II funding in 2021.

On January 30,In early 2020, the FCC created the Rural Digital Opportunity Fund (the “RDOF”)RDOF which is a new federal support program designed to followreplace the CAF Phase II program. ThroughOn December 7, 2020, the FCC allocated in its RDOF Phase I of the RDOF, the FCC plans to award up to $16.0auction $9.2 billion in support payments over 10 years to bringdeploy high speed broadband to certain specified high-cost U.S. markets lacking adequate broadband service. The FCC plans to selectover 5.2 million unserved locations. Lumen Technologies won bids for RDOF Phase I support recipients through a multi-round reverse auction scheduled to begin in late 2021, and to commence making support payments to winning bidders on January 1, 2022. In its January order, the FCC also clarified that CAF II recipients, like CenturyLink, may elect to receive an additional year of CAF Phase II funding in 2021. CenturyLink has filed an initial short-form application with the FCC to participate in the$26 million annually. These RDOF Phase I auction. Until the FCC acts upon CenturyLink's application, we cannot provide any assurance that we will be granted an opportunitysupport payments are expected to participate in the RDOF program.begin January 1, 2022.

For additional information on these programs, see (i) "Business—Regulation"Regulations—Universal Service" in Item 1 of Part I of our Annual Report on Form 10-K for the year ended December 31, 2019,2020 and (ii) "Risk Factors—Risks Affecting our LiquidityLegal and Capital Resources"Regulatory Risks" in Item 1A of Part I of our Annual Report on Form 10-K for the year ended December 31, 2019 and (iii) Item 1A Part II of this report.2020.

As part of its proposed infrastructure plan, the Biden Administration has proposed investing $100 billion to expand internet access in the United States. The plan seeks several other changes that could impact us, including proposals to increase competition among broadband providers. Currently we believe it is premature to speculate on the potential impact of these proposals on us.

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Historical Information

The following table summarizes our consolidated cash flow activities:
Six Months Ended June 30,Change Three Months Ended March 31,$ Change
20202019Change20212020$ Change
(Dollars in millions) (Dollars in millions)
Net cash provided by operating activitiesNet cash provided by operating activities$1,484  1,505  (21) Net cash provided by operating activities$814 785 29 
Net cash provided by (used in) investing activities$755  (797) 1,552  
Net cash (used in) provided by investing activitiesNet cash (used in) provided by investing activities$(211)830 (1,041)
Net cash used in financing activitiesNet cash used in financing activities$(2,236) (706) 1,530  Net cash used in financing activities$(607)(1,609)(1,002)

Operating Activities

Net cash provided by operating activities decreasedincreased by $21$29 million for the sixthree months ended June 30, 2020March 31, 2021 as compared to the sixthree months ended June 30, 2019March 31, 2020 primarily due to cash used for accounts payable and reductions ofchanges in other current assets and liabilities, partially offset by cash flows provided by lower accounts receivable and income and other tax accruals.net income. Cash provided by operating activities is subject to variability period over period as a result of timing differences, including with respect to of the collection of receivables and payments of interest expense, accounts payable and bonuses.

Investing Activities

Net cash (used in) provided by investing activities increasedchanged by $1.6$1.0 billion for the sixthree months ended June 30, 2020March 31, 2021 as compared to the sixthree months ended June 30, 2019March 31, 2020 primarily due to CenturyLink's repurchase of our senior notes and funds received from affiliates reducing our advances to affiliates balance,in the first quarter of 2020 that were used to repay our senior notes.notes, which in turn reduced our advances to affiliates balance.

Financing Activities

Net cash used in financing activities increaseddecreased by $1.5$1.0 billion for the sixthree months ended June 30, 2020March 31, 2021 as compared to the sixthree months ended June 30, 2019March 31, 2020 primarily due to lower repayments of long-term debt.
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debt and lower dividends paid to QSC.

See Note 5—Long-Term Debt and Note Payable - Affiliate, for additional information on our outstanding debt securities and financing activities.

Other Matters

We are subject to various legal proceedings and other contingent liabilities that individually or in the aggregate could materially affect our financial condition, future results of operations or cash flows. See Note 8—7—Commitments, Contingencies and Other Items for additional information.

CenturyLinkLumen Technologies is involved in several legal proceedings to which we are not a party that, if resolved against it, could have a material adverse effect on its business and financial condition. As a wholly owned subsidiary of CenturyLink,Lumen Technologies, our business and financial condition could be similarly affected. You can find descriptions of these legal proceedings in CenturyLink'sLumen's quarterly and annual reports filed with the SEC. Because we are not a party to any of the matters, we have not accrued any liabilities for these matters.

Market Risk

As of June 30, 2020,March 31, 2021, we were exposed to market risk from changes in interest rates on our variable rate long-term debt obligations, amended and restated revolving promissory note and fluctuations in certain foreign currencies. We seek to maintain a favorable mix of fixed and variable rate debt in an effort to limit interest costs and cash flow volatility resulting from changes in rates.

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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 (i) swap our exposure to changing or variable interest rates for fixed interest rates or (ii) to swap obligations to pay fixed interest rates for variable interest rates. As of June 30, 2020,March 31, 2021, we had no such instruments outstanding nor held or issued derivative financial instruments for trading or speculative purposes.

We do not believe that there were any material changes to market risks arising from changes in interest rates for the sixthree months ended June 30, 2020,March 31, 2021, when compared to the disclosures provided in our Annual Report on Form 10-K for the year ended December 31, 2019.2020.

Certain shortcomings are inherent in the method of analysis presented in the computation of exposures toevaluating our 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. TheseOur analyses only incorporate the risk exposures that existed at June 30, 2020.

Off-Balance Sheet Arrangements

As of June 30, 2020, we had no special purpose or limited purpose entities that provide off-balance sheet financing, liquidity, or market or credit risk support, and we did not engage in leasing, hedging or other similar activities that expose us to any significant liabilities that are not (i) reflected on the face of the consolidated financial statements, (ii) disclosed in Note 16—Commitments, Contingencies and Other Items to our consolidated financial statements in Item 8 of Part II of our Annual Report on Form 10-K for the year ended DecemberMarch 31, 2019, or in the Future Contractual Obligations table included in Item 7 of Part II of the same report, or (iii) discussed under the heading "Market Risk" above.2021.

Other Information

CenturyLink'sLumen's and our website is www.centurylink.comwww.lumen.com. We routinely post important investor information in the "Investor Relations" section of our website at ir.centurylink.comir.lumen.com. 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 our annual reports on Form 10-K, quarterly reports on Form 10-Q, and current reports on Form 8-K filed by us or our ultimate controlling stockholder Lumens Technologies, Inc., and all amendments to those reports, in the "Investor Relations" section of our website (ir.centurylink.comir.lumen.com) under the heading "SEC Filings." These reports are available on our website as soon as reasonably practicable after wethey are electronically file themfiled with the SEC.

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ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Omitted pursuant to General Instruction H(2).

ITEM 4. CONTROLS AND PROCEDURES

Disclosure Controls and Procedures

We maintain disclosure controls and procedures (as defined in Rule 13a-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 the Companyus in the reports that it fileswe file or furnishesfurnish 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 that this information is accumulated and communicated to the Company’sour senior management, including itsour Chief Executive Officer and Chief Financial Officer, as appropriate to allow timely decisions regarding required disclosure. Management, with the participation of our Chief Executive Officer, Jeff K. Storey, and our Executive Vice President and Chief Financial Officer, Indraneel Dev, evaluated the effectiveness of the Company’sour disclosure controls and procedures as of June 30, 2020.March 31, 2021. Based on this evaluation, the Company’sour Chief Executive Officer and Chief Financial Officer concluded that the Company’sour disclosure controls and procedures were effective, as of June 30, 2020,March 31, 2021, in providing reasonable assurance that 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 the Company’sour internal control over financial reporting (as defined in Rules 13a-15(f) or 15d-15(f) of the Exchange Act) that occurred during the secondfirst quarter of 20202021 that have materially affected, or are reasonably likely to materially affect, the Company’sour internal control over financial reporting.

Inherent Limitations of Internal Controls
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 in Note 8—7—Commitments, Contingencies and Other Items included in Item 1 of Part I of this report is incorporated herein by reference. The ultimate outcome of the matters described in Note 87 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 immaterial by us may ultimately materially impact us. For more information, see “Risk Factors—Risks Relating to Legal and Regulatory Matters—Risks—Our pending legal proceedings could have a material adverse impact on our financial condition and operating results, on the trading price of our securities and on our ability to access the capital markets”us” in Item 1A of Part I of our Annual Report on Form 10-K for the year ended December 31, 2019 and Item 1A of Part II of this report.2020.

ITEM 1A. RISK FACTORS

Our operations and financial results are subject to various risks and uncertainties, which could adversely affect our business, financial condition or future results. We urge you to carefully consider (i) the other information set forth 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, 2019 and (iii) the risk factors discussed in Part II, Item 1A of our Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2020, which are amended and restated in their entirety below.

An outbreak of disease or similar public health threat, such as the recent COVID-19 pandemic, could have a material adverse impact on our operating results and financial condition

An outbreak of disease or similar public health threat, such as the recent COVID-19 pandemic and its detrimental impact on the worldwide economy, could have a material adverse impact on our operating results and financial condition.

We are vulnerable to the general economic effects of disease outbreaks and similar public health threats. Since the latter half of the first quarter of 2020, the COVID-19 pandemic has caused a sudden and substantial reduction in worldwide economic activity. COVID-19 poses the risk that we or our employees, contractors, suppliers, customers and other business partners may be prevented from conducting business activities at expected levels through established processes for an indefinite period of time, including due to shutdowns or related restrictions that may be requested or mandated by governmental authorities. Future events regarding the pandemic, which are unpredictable and beyond our control, will ultimately impact our operations and results, including its impact on demand for our products and services and related impacts upon network usage, the ability of our customers to continue to pay us in a timely manner, the impact on other third parties upon which we are materially reliant, impacts on our workforce, impacts upon performance risk under our contracts, and impacts on our supply chains or distribution channels for our products and service. Such future uncertain and unpredictable developments include:

The duration, extent and severity of the pandemic. The ultimate impact of the pandemic will depend on various medical factors that are currently unknown, including (i) whether or when the current pandemic will abate, (ii) whether, when or to what extent additional outbreaks may arise or return (iii) the effectiveness of current or future mitigation steps, and (iv) whether or when treatments or vaccines will be developed to ameliorate or staunch the pandemic.

The response of governmental and nongovernmental authorities. Many governmental and nongovernmental bodies have taken action in response to the pandemic that has depressed economic activity. In the United States and many other countries, these mandates have been issued by state or local officials, which significantly increases the unpredictability and variability of when and how these mandates will be amended, rescinded or reimposed. The pandemic has also led to changes in laws governing the rights of workers and has caused, and may continue to cause, various parties to propose additional changes to laws or regulations, including those governing communications companies.2020.

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Impacts to economic and market conditions. Continuing uncertainties related to the duration and intensity of the pandemic will likely continue to create substantial disruptions and volatility in global, national, regional and local economies and markets. These disruptions could (i) limit or restrict our ability to conduct normal business activities with customers, vendors, lenders or others with whom we do business, (ii) continue to result in changes in spending patterns or reduced demand for certain of our products and services, (iii) cause us to delay, change or fail to attain our operating, capital spending or transformational plans, (iv) result in future changes in tax rates, (v) increase the risk of litigation and (vi) otherwise render it more difficult or impossible to implement our operational or strategic plans.

Impacts to Capital Markets. Shortly after COVID-19 began its worldwide spread domestic and worldwide capital markets experienced periods of instability or unpredictability. Legislative bodies and reserve banks have taken various actions in response to the pandemic that have impacted the capital markets, and we expect that these efforts could continue. We and our affiliates are materially reliant upon the capital markets to access funding necessary to refinance our outstanding indebtedness. If the economic disruptions caused by COVID-19 continues to interfere with the operations of the capital markets, our access to cash to refinance our debt or to fund our other cash requirements could be materially adversely affected.

In addition, responding to the continuing pandemic could divert management’s attention from our key strategic priorities, increase costs as we prioritize health and safety matters for our employees and customers, cause us to reduce, delay, alter or abandon initiatives that may otherwise increase our long-term value, increase vulnerability to information technology or cybersecurity related risks as more of our employees work remotely and otherwise continue to disrupt our business operations. Moreover, if the pandemic ultimately materially reduces our cash flows, we may need to re-evaluate our capital allocation plans, especially if increased broadband usage increases our need to invest in our network to remain competitive.

If the pandemic intensifies or economic conditions further deteriorate, the adverse impact of the pandemic has on us could become pronounced in the future and could have a material adverse impact on our operating results and financial condition.

Moreover, to the extent any of these risks and uncertainties adversely impact us in the ways described above or otherwise, they may also have the effect of heightening many of the other risks described under the section entitled “Item 1A. Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2019, In particular, further deterioration of global economic conditions could increase the possibility that we will incur a future goodwill impairment, as discussed in greater detail in Footnote 2 and Item 2 of Part I of this report.

We have taken certain precautions due to the uncertain and evolving situation relating to the spread of COVID-19 that could have a material adverse impact on our operating results and financial condition

The precautionary measures described in this report that we have taken to safeguard our employees and customers could make it more difficult to (i) timely and efficiently furnish products and services to our customers, (ii) devote sufficient resources to our ongoing network and product simplification projects, (iii) efficiently monitor and maintain our network, (iv) maintain effective internal controls (v) mitigate information technology or cybersecurity related risks and (vi) otherwise operate and administer our affairs. As such, these measures ultimately could have a material adverse impact on our operating results and financial condition.

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ITEM 6. EXHIBITS
Exhibits identified in parentheses below are on file with the SEC and are incorporated herein by reference. All other exhibits are provided as part of this electronic submission.
Exhibit
Number
Description
31.1*
31.2*
32.1*
32.2*
101*
Financial statements from the Quarterly Report on Form 10-Q of Qwest Corporation for the period ended June 30, 2020,March 31, 2021, formatted in Inline XBRL: (i) the Consolidated Statements of Operations, (ii) the Consolidated Balance Sheets, (iii) the Consolidated Statements of Cash Flows, (iv) the Consolidated Statements of Stockholder's Equity and (v) the Notes to the Consolidated Financial Statements.
104*Cover page formatted as Inline XBRL and contained in Exhibit 101.

*    Exhibit filed herewith.
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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 August 7, 2020.May 5, 2021.
 QWEST CORPORATION
By:/s/ Eric J. Mortensen
 
Eric J. Mortensen
Senior Vice President - Controller
 (Principal Accounting Officer)
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