ENVIRONMENTAL LIABILITIES AND EXPENDITURES (Tables)

3 Months Ended

Mar. 31, 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 March 31, 2023. The current portion of $141 million is included in accrued liabilities and the remainder of $890 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	$	440
Third-Party Sites	67	231
Currently Operated Sites	13	103
Closed or Non-Operated Sites	51	257
Total	161	$	1,031