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Related Party Transactions - Schedule of Significant Transactions with Related Parties (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Balance Sheet |  |  |  |  |
Accounts and notes receivable | $ 5,744 |  | $ 5,744 |  | $ 6,695
Accounts payable | 6,245 |  | 6,245 |  | 6,044
Income Statement |  |  |  |  |
Operating revenues and other income | 15,522 | $ 13,604 | 47,363 | $ 42,216 |
Purchased commodities | 5,857 | 4,747 | 17,130 | 14,939 |
Operating expenses and selling, general and administrative expenses | 271 | 186 | 712 | 528 |
Related Party |  |  |  |  |
Balance Sheet |  |  |  |  |
Accounts and notes receivable | 45 |  | 45 |  | 74
Accounts payable | 73 |  | 73 |  | $ 57
Income Statement |  |  |  |  |
Operating revenues and other income | 12 | 23 | 60 | 64 |
Purchased commodities | (2) | 0 | 0 | 0 |
Operating expenses and selling, general and administrative expenses | $ 84 | $ 51 | $ 242 | $ 163 |

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- Definition Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 852 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10 + Details
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