SUPPLEMENTAL ACCOUNT BALANCES AND CASH FLOW INFORMATION - Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Supplemental Cash Flow Information
Interest paid, net of amount capitalized	$ (44)	$ (43)	$ (28)
Income taxes paid	121	20	0
Supplemental Disclosure of Non-cash Investing and Financing Activities
Derivative related to additional earn-out consideration for the Ventura divestiture	0	0	3
Receivable from affiliate	0	32	0
Dividends accrued for stock-based compensation awards	3	2	0
Contribution to the Carbon TerraVault JV	$ 15	$ 2	$ 0