DERIVATIVES - Schedule of Gains and Losses on Derivative Instruments Included in Statement of Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instruments, net:	$ 137	$ (259)	$ (586)
Net cash received (paid) on settlements:	(51)	(110)	(850)
Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instruments, net:	210	(239)	(528)
Net cash received (paid) on settlements:	57	(61)	(849)
Loss on derivative instruments, net			138
Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instruments, net:	(45)	(20)	(58)
Net cash received (paid) on settlements:	(83)	(49)	(1)
2026 WTI Contingent Liability
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instruments, net:	(3)	0	0
Treasury locks
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instruments, net:	(25)	0	0
Net cash received (paid) on settlements:	(25)	$ 0	$ 0
Loss on derivative instruments, net	25
Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Loss on derivative instruments, net	$ 37