Risk Management, Derivative Instruments and Hedging Activities - Schedule of Balance Sheets Presentation (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Derivative [Line Items] | ||
| Derivative asset, current | $ 131 | $ 56 |
| Derivative liability, current | 573 | 101 |
| Derivative asset, noncurrent | 9 | 4 |
| Derivative liability, noncurrent | 150 | 67 |
| Commodity derivatives | ||
| Derivative [Line Items] | ||
| Derivative asset, current | 130 | 56 |
| Derivative liability, current | 572 | 97 |
| Derivative asset, noncurrent | 7 | 4 |
| Derivative liability, noncurrent | 149 | 59 |
| Interest rate derivatives | ||
| Derivative [Line Items] | ||
| Derivative asset, current | 1 | 0 |
| Derivative liability, current | 1 | 4 |
| Derivative asset, noncurrent | 2 | 0 |
| Derivative liability, noncurrent | $ 1 | $ 8 |