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Related Party Transactions (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2024
Related Party Transactions [Abstract] |
Schedule of Significant Transactions with Related Parties |
| Millions of Dollars
| Three Months Ended June 30 | Six Months Ended June 30
| 2024 | 2023 | 2024 | 2023
Significant Transactions with Equity Affiliates |  |  |  |
Operating revenues and other income | $ | 23 |  | 23 |  | 41 |  | 44 |
Operating expenses and selling, general and administrative expenses | 57 |  | 72 |  | 112 |  | 150 |

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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
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