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v3.26.1

Other Current Liabilities | 3 Months Ended
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Mar. 31, 2026
Other Liabilities Disclosure [Abstract] |
Other Liabilities Disclosure | Other Current Liabilities The following summarizes the components of other current liabilities:
(Millions of dollars) | March 31, 2026 |  | December 31, 2025
Environmental credits liability | $ | 607 |  |  | $ | 463 |
Accrued interest payable | 320 |  |  | 449 |
Other current liabilities | 407 |  |  | 341 |
Total other current liabilities | $ | 1,334 |  |  | $ | 1,253 |

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