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Commitments and Contingencies (Tables) | 3 Months Ended
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Mar. 31, 2025
Excluding Line 901 Incident |
Loss Contingencies [Line Items] |
Schedule of Environmental Loss Contingencies | Our estimated undiscounted reserves for environmental liabilities (excluding liabilities related to the Line 901 incident, as discussed further below) were reflected on our Condensed Consolidated Balance Sheets as follows (in millions):
| March 31, 2025 |  | December 31, 2024
Other current liabilities | $ | 29 |  |  | $ | 15 |
Other long-term liabilities and deferred credits | 87 |  |  | 81 |
Total | $ | 116 |  |  | $ | 96 |

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