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Cash Flow Information (Tables) | 3 Months Ended
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Mar. 31, 2024
Supplemental Cash Flow Information [Abstract] |
Schedule of Cash Flow Information |
| Millions of Dollars
| Three Months Ended March 31
| 2024 | 2023
Cash Payments |  |
Interest | $ | 254 |  | 209 |
Income taxes | 707 |  | 1,062 |
Net Sales (Purchases) of Investments |  |
Short-term investments purchased | $ | (118) |  | (269) |
Short-term investments sold | 673 |  | 1,513 |
Long-term investments purchased | (199) |  | (210) |
Long-term investments sold | 49 |  | 31 |
| $ | 405 |  | 1,065 |

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