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ENVIRONMENTAL LIABILITIES AND EXPENDITURES (Tables) | 12 Months Ended
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Dec. 31, 2024
Environmental Remediation Obligations [Abstract] |
Schedule of current and non-current environmental remediation reserves by categories of sites |
| 2024 | 2023
millions, except number of sites | Number of Sites | Remediation Balance | Number of Sites | Remediation Balance
NPL Sites | 32 |  | $ | 1,374 |  | 32 |  | $ | 435 |
Third-Party Sites | 63 |  | 200 |  | 65 |  | 233 |
Currently Operated Sites | 12 |  | 88 |  | 12 |  | 98 |
Closed or Non-operated Sites | 51 |  | 247 |  | 51 |  | 255 |
Total | 158 |  | $ | 1,909 |  | 160 |  | $ | 1,021 |

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