ENVIRONMENTAL LIABILITIES AND EXPENDITURES (Tables)

6 Months Ended

Jun. 30, 2023

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 June 30, 2023. The current portion of $141 million is included in accrued liabilities and the remainder of $867 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	30	$	438
Third-Party Sites	66	217
Currently Operated Sites	13	101
Closed or Non-Operated Sites	51	252
Total	160	$	1,008