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Related Party Transactions (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Related Party Transaction [Line Items] |  |  |
Accounts and notes receivable—related parties | $ 5,813 | $ 6,695 |
Accounts payable—related parties | 6,218 | 6,044 |
Operating revenues and other income | 61,548 | 56,953 | $ 58,574
Purchased commodities | 1 | 0 | 0
Operating expenses and selling, general and administrative expenses | 893 | 1,158 | 705
Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Accounts and notes receivable—related parties | 79 | 74 |
Accounts payable—related parties | 64 | 57 |
Operating revenues and other income | 73 | 88 | 90
Operating expenses and selling, general and administrative expenses | $ 286 | $ 246 | $ 282

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