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ENVIRONMENTAL LIABILITIES AND EXPENDITURES (Tables) | 3 Months Ended
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Mar. 31, 2024
Environmental Remediation Obligations [Abstract] |
Schedule of Current and Non-Current Environmental Remediation Reserves by Categories of Sites | The following table presents the current and non-current environmental remediation liabilities of such subsidiaries on a consolidated basis as of March 31, 2024. The current portion of $131 million is included in accrued liabilities and the remainder of $870 million is included in deferred credits and other liabilities - environmental remediation liabilities. These environmental remediation sites are grouped into NPL Sites and the following three categories of non-NPL Sites—Third-Party Sites, Currently Operated Sites and Closed or Non-Operated Sites.
millions, except number of sites | Number of Sites | Remediation Balance
NPL Sites | 32 |  | $ | 432 |
Third-Party Sites | 64 |  | 220 |
Currently Operated Sites | 12 |  | 96 |
Closed or Non-Operated Sites | 51 |  | 253 |
Total | 159 |  | $ | 1,001 |

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