ENVIRONMENTAL LIABILITIES AND EXPENDITURES (Tables)

3 Months Ended

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