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v3.22.4

Background and Summary of Significant Accounting Policies (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 USD ($) derivative_agreement $ / shares shares | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Feb. 25, 2019 shares
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Advertising expense | $ 62,000,000 | $ 56,000,000 | $ 56,000,000 |  |
Book overdrafts | $ 0 | 0 |  |  |
Accounts receivable, period past due | 30 days |  |  |  |
Unissued shares of CenturyLink common stock (in shares) | shares | 19,000,000 |  |  |  |
Preferred stock dividends (in dollars per share) | $ / shares | $ 25 |  |  |  |
Number of shares issued per share of common stock | shares |  |  |  |  | 1
Stockholders' equity | $ 10,437,000,000 | 11,840,000,000 | 11,162,000,000 |  |
Income tax expense | $ 557,000,000 | 668,000,000 | 450,000,000 |  |
Interest rate swaps |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Number of instruments held | derivative_agreement | 0 |  |  |  |
Retained Earnings (Accumulated Deficit) |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Stockholders' equity | $ (7,546,000,000) | $ (5,998,000,000) | $ (8,031,000,000) | $ (6,814,000,000) |
Income tax expense |  |  |  | 2,000,000 |
Retained Earnings (Accumulated Deficit) | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Stockholders' equity |  |  |  | 9,000,000 |
Income tax expense |  |  |  | $ 2,000,000 |
Capitalized software |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Estimated useful life | 7 years |  |  |  |
Minimum |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Contract term | 1 year |  |  |  |
Minimum | Customer relationships |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Estimated useful life | 7 years |  |  |  |
Minimum | Other intangible assets |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Estimated useful life | 9 years |  |  |  |
Maximum |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Contract term | 5 years |  |  |  |
Customer relationship period for revenue recognition | 20 years |  |  |  |
Maximum | Customer relationships |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Estimated useful life | 14 years |  |  |  |
Maximum | Other intangible assets |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Estimated useful life | 20 years |  |  |  |
Weighted Average | Mass Markets |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Length of customer life | 32 months |  |  |  |
Weighted Average | Business |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Length of customer life | 30 months |  |  |  |

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