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v3.22.4

Cash Flow Information (Tables) | 12 Months Ended
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Dec. 31, 2022
Supplemental Cash Flow Information [Abstract] |
Cash Flow Information |
| Millions of Dollars
| 2022 | 2021 | 2020
Noncash Investing Activities |  |  |
Increase (decrease) in PP&E related to an increase (decrease) in asset retirement obligations | $ | 825 |  | 442 |  | (116) |
Cash Payments |  |  |
Interest | $ | 873 |  | 924 |  | 785 |
Income taxes | 7,368 |  | 856 |  | 905 |
Net Sales (Purchases) of Investments |  |  |
Short-term investments purchased | $ | (5,046) |  | (5,554) |  | (12,435) |
Short-term investments sold | 3,102 |  | 8,810 |  | 12,015 |
Investments and long-term receivables purchased | (775) |  | (279) |  | (325) |
Investments and long-term receivables sold | 90 |  | 114 |  | 87 |
| $ | (2,629) |  | 3,091 |  | (658) |

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- References No definition available. + Details
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