Financial and Derivative Instruments - Fair Value of Derivatives Not Designated as Hedging Instruments (Details) - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Derivatives, Fair Value [Line Items] | ||
| Total assets at fair value | $ 264 | $ 137 |
| Total liabilities at fair value | 68 | 153 |
| Commodity | Accounts and notes receivable | ||
| Derivatives, Fair Value [Line Items] | ||
| Total assets at fair value | 191 | 122 |
| Commodity | Long-term receivables, net | ||
| Derivatives, Fair Value [Line Items] | ||
| Total assets at fair value | 73 | 15 |
| Commodity | Accounts payable | ||
| Derivatives, Fair Value [Line Items] | ||
| Total liabilities at fair value | 60 | 127 |
| Commodity | Deferred credits and other noncurrent obligations | ||
| Derivatives, Fair Value [Line Items] | ||
| Total liabilities at fair value | $ 8 | $ 26 |
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- Definition Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as an asset. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as a liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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