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Cash Flow Information (Tables) | 6 Months Ended
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Jun. 30, 2022
Supplemental Cash Flow Information [Abstract] |
Schedule of Cash Flow Information |
| Millions of Dollars
| Six Months Ended June 30
Cash Payments | 2022 | 2021
Interest | $ | 486 |  | 464 |
Income taxes | 3,942 |  | 107 |
Net Sales (Purchases) of Investments |  |
Short-term investments purchased | $ | (1,253) |  | (5,439) |
Short-term investments sold | 613 |  | 6,842 |
Long-term investments purchased | (510) |  | (149) |
Long-term investments sold | 46 |  | 48 |
| $ | (1,104) |  | 1,302 |

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