SUPPLEMENTAL ACCOUNT BALANCES - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Jul. 01, 2024	Dec. 31, 2023
Disaggregation of revenue
Restricted cash	$ 28,000,000		$ 28,000,000			$ 0
Escrow funds payable to sellers, percentage of released funds in excess of expenditures					50.00%
Oil, natural gas and NGL sales	(870,000,000)	$ (510,000,000)	(1,711,000,000)	$ (1,672,000,000)
Inventory write-down			13,000,000
General and administrative expenses	106,000,000	$ 65,000,000	$ 226,000,000	$ 201,000,000
Aera
Disaggregation of revenue
Oil, natural gas and NGL sales	$ 475,000,000
Acquired inventory					$ 18,000,000