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v3.23.1

Related Party Transactions (Tables) | 3 Months Ended
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Mar. 31, 2023
Related Party Transactions [Abstract] |
Schedule of Significant Transactions with Related Parties |
| Millions of Dollars
| Three Months Ended March 31 |  |
| 2023 | 2022 |  |  |
Significant Transactions with Equity Affiliates |  |  |  |  |
Operating revenues and other income | $ | 21 |  | 22 |  |  |  |
Operating expenses and selling, general and administrative expenses | 78 |  | 46 |  |  |  |

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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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