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Debt (Long-term Debt Instruments) (Details) - USD ($) | 1 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2025 | Sep. 30, 2025 | Jul. 31, 2025 | Dec. 31, 2024
Debt Instrument |  |  |  |
Finance leases |  | $ 318,000,000 |  | $ 263,000,000
Total debt |  | 14,148,000,000 |  | 13,406,000,000
Less short-term portion |  | (1,548,000,000) |  | (1,178,000,000)
Total long-term debt |  | 12,600,000,000 |  | 12,228,000,000
Accounts receivable securitization facility expiring 2026 | Line of Credit |  |  |  |
Debt Instrument |  |  |  |
Long-term debt |  | 1,439,000,000 |  | 1,085,000,000
Borrowing capacity, net of letters of credit |  | $ 60,000,000 |  |
Interest rate at September 30, 2025 |  | 5.10% |  |
Average month-end principal amount of debt outstanding |  | $ 1,334,000,000 |  |
Weighted-average interest rate on average debt outstanding |  | 5.20% |  |
Maximum month-end principal amount of debt outstanding |  | $ 1,440,000,000 |  |
Debt instrument, extension period | 364 days |  |  |
Collateral amount |  | 1,710,000,000 |  |
$4.50 billion ABL facility expiring 2030 | Line of Credit |  |  |  |
Debt Instrument |  |  |  |
Maximum borrowing capacity |  | 4,500,000,000 | $ 4,500,000,000 |
Long-term debt |  | 2,586,000,000 |  | 2,253,000,000
Borrowing capacity, net of letters of credit |  | 1,880,000,000 |  |
Letters of credit |  | $ 22,000,000 |  |
Interest rate at September 30, 2025 |  | 5.10% |  |
Average month-end principal amount of debt outstanding |  | $ 1,918,000,000 |  |
Weighted-average interest rate on average debt outstanding |  | 5.40% |  |
Maximum month-end principal amount of debt outstanding |  | $ 2,598,000,000 |  |
Term loan facility expiring 2031 |  |  |  |
Debt Instrument |  |  |  |
Long-term debt |  | $ 978,000,000 |  | 984,000,000
Annual repayment rate |  | 1.00% |  |
5 1/2 percent Senior Notes due 2027 | Senior notes |  |  |  |
Debt Instrument |  |  |  |
Stated interest rate |  | 5.50% |  |
Long-term debt |  | $ 499,000,000 |  | 499,000,000
3 7/8 percent Senior Secured Notes due 2027 | Senior notes |  |  |  |
Debt Instrument |  |  |  |
Stated interest rate |  | 3.875% |  |
Long-term debt |  | $ 747,000,000 |  | 747,000,000
4 7/8 percent Senior Notes due 2028 | Senior notes |  |  |  |
Debt Instrument |  |  |  |
Stated interest rate |  | 4.875% |  |
Long-term debt |  | $ 1,668,000,000 |  | 1,667,000,000
6 percent Senior Secured Notes due 2029 | Senior notes |  |  |  |
Debt Instrument |  |  |  |
Stated interest rate |  | 6.00% |  |
Long-term debt |  | $ 1,491,000,000 |  | 1,490,000,000
5 1/4 percent Senior Notes due 2030 | Senior notes |  |  |  |
Debt Instrument |  |  |  |
Stated interest rate |  | 5.25% |  |
Long-term debt |  | $ 746,000,000 |  | 746,000,000
4 percent Senior Notes due 2030 | Senior notes |  |  |  |
Debt Instrument |  |  |  |
Stated interest rate |  | 4.00% |  |
Long-term debt |  | $ 746,000,000 |  | 745,000,000
3 7/8 percent Senior Notes due 2031 | Senior notes |  |  |  |
Debt Instrument |  |  |  |
Stated interest rate |  | 3.875% |  |
Long-term debt |  | $ 1,093,000,000 |  | 1,092,000,000
3 3/4 percent Senior Notes due 2032 | Senior notes |  |  |  |
Debt Instrument |  |  |  |
Stated interest rate |  | 3.75% |  |
Long-term debt |  | $ 746,000,000 |  | 745,000,000
6 1/8 percent Senior Notes due 2034 | Senior notes |  |  |  |
Debt Instrument |  |  |  |
Stated interest rate |  | 6.125% |  |
Long-term debt |  | $ 1,091,000,000 |  | $ 1,090,000,000
Term loan facility | Line of Credit |  |  |  |
Debt Instrument |  |  |  |
Borrowing capacity, net of letters of credit |  | $ 0 |  |
Interest rate at September 30, 2025 |  | 5.70% |  |
Average month-end principal amount of debt outstanding |  | $ 989,000,000 |  |
Weighted-average interest rate on average debt outstanding |  | 6.00% |  |
Maximum month-end principal amount of debt outstanding |  | $ 993,000,000 |  |
4 7/8 percent Senior Notes due 2028, one | Senior notes |  |  |  |
Debt Instrument |  |  |  |
Long-term debt |  | 1,664,000,000 |  |
4 7/8 percent Senior Notes due 2028, two | Senior notes |  |  |  |
Debt Instrument |  |  |  |
Long-term debt |  | $ 4,000,000 |  |

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