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Long-term Debt and Finance Leases - Senior Notes Redemptions (Details) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Aug. 23, 2021
Debt Instrument [Line Items] |  |  |
Principal Repurchased | $ 1,855,000,000 |  |
Cash Paid | $ 1,949,000,000 |  |
Accrued interest |  | $ 29,000,000 |
Senior Notes due 2026 |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate, stated percentage | 7.25% |  | 7.25%
Principal Repurchased | $ 1,000,000,000 |  | $ 1,000,000,000
Cash Paid | $ 1,056,000,000 |  |
Average Early Redemption Percentage | 103.625% |  |
Senior Notes, due 2027 |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate, stated percentage | 6.625% |  | 6.625%
Principal Repurchased | $ 855,000,000 |  | $ 355,000,000
Cash Paid | $ 893,000,000 |  |
Average Early Redemption Percentage | 103.313% |  |

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