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ENVIRONMENTAL LIABILITIES AND EXPENDITURES (Tables)
 9 Months Ended
Sep. 30, 2025
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 September 30, 2025. The current portion of $150 million is included in accrued liabilities and the remainder of $1.7 billion is included in other 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 SitesRemediation Balance
NPL Sites32 $1,378 
Third-Party Sites61 177 
Currently Operated Sites11 83 
Closed or Non-Operated Sites51 228 
Total155 $1,866