Fair Value Measures - Fair Value of Financial Assets and Liabilities (Details) - Fair Value, Recurring - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
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| Assets: | ||
| Total commodity derivatives | $ 920 | $ 618 |
| Other non-current assets | 210 | 209 |
| Total assets | 1,130 | 827 |
| Liabilities: | ||
| Total commodity derivatives | (1,332) | (454) |
| Total liabilities | (1,332) | (454) |
| Level 1 | ||
| Assets: | ||
| Total commodity derivatives | 858 | 531 |
| Other non-current assets | 210 | 209 |
| Total assets | 1,068 | 740 |
| Liabilities: | ||
| Total commodity derivatives | (1,257) | (404) |
| Total liabilities | (1,257) | (404) |
| Level 2 | ||
| Assets: | ||
| Total commodity derivatives | 62 | 87 |
| Other non-current assets | 0 | 0 |
| Total assets | 62 | 87 |
| Liabilities: | ||
| Total commodity derivatives | (75) | (50) |
| Total liabilities | $ (75) | $ (50) |
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- Definition Fair value portion of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Definition Fair value of financial and nonfinancial obligations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Fair value portion of other assets. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Fair value as of the balance sheet date of price risk derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets on the balance sheet. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Fair value as of the balance sheet date of price risk derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities on the balance sheet. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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