Leases - Schedule of Lease Cost and Activity (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Finance leases: | ||||
| Amortization of finance lease assets | $ 23 | $ 25 | $ 46 | $ 51 |
| Interest obligations under finance leases | 2 | 3 | 5 | 7 |
| Total finance lease costs | 25 | 28 | 51 | 58 |
| Operating leases: | ||||
| Total operating lease costs | 17 | 15 | 34 | 32 |
| Cash payments related to lease liabilities included in operating cash flows: | ||||
| Interest payments on finance lease liabilities | 5 | 7 | ||
| Cash payments related to lease liabilities included in financing cash flows: | ||||
| Principal payments on finance lease liabilities | 42 | 41 | ||
| Nonrelated Party | ||||
| Operating leases: | ||||
| Fixed lease costs | 16 | 14 | 32 | 30 |
| Cash payments related to lease liabilities included in operating cash flows: | ||||
| Operating lease liabilities | 49 | 46 | ||
| Related Party | ||||
| Operating leases: | ||||
| Fixed lease costs | 1 | 1 | 2 | 2 |
| Cash payments related to lease liabilities included in operating cash flows: | ||||
| Operating lease liabilities | $ 2 | $ 2 | ||