DERIVATIVES AND RISK MANAGEMENT - Summary of Before-Tax Effect of Derivative Instruments (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss) on unsettled derivatives	$ (31)	$ 1,528
Total gain (loss) on settled derivatives	156	(123)
Total gain (loss) on derivatives	126	1,401
Non-performance risk adjustment	1	(4)
Fixed price swaps | Natural Gas
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss) on unsettled derivatives	38	961
Total gain (loss) on settled derivatives	140	(45)
Fixed price swaps | Oil
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss) on unsettled derivatives	(8)	12
Total gain (loss) on settled derivatives	(4)	(4)
Fixed price swaps | Ethane
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss) on unsettled derivatives	1	9
Total gain (loss) on settled derivatives	3	1
Fixed price swaps | Propane
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss) on unsettled derivatives	(29)	1
Total gain (loss) on settled derivatives	(2)	1
Fixed price swaps | Normal Butane
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss) on unsettled derivatives	(3)	1
Total gain (loss) on settled derivatives	(1)	0
Fixed price swaps | Natural Gasoline
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss) on unsettled derivatives	(11)	1
Total gain (loss) on settled derivatives	(1)	0
Two-way costless collars | Natural Gas
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss) on unsettled derivatives	4	241
Total gain (loss) on settled derivatives	9	0
Two-way costless collars | Oil
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss) on unsettled derivatives	(3)	0
Three-way costless collars | Natural Gas
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss) on unsettled derivatives	1	263
Total gain (loss) on settled derivatives	16	(33)
Three-way costless collars | Oil
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss) on unsettled derivatives	(3)	12
Total gain (loss) on settled derivatives	0	(7)
Basis swaps | Natural Gas
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss) on unsettled derivatives	(21)	(30)
Total gain (loss) on settled derivatives	(4)	(29)
Call options | Natural Gas
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss) on unsettled derivatives	3	61
Total gain (loss) on settled derivatives	0	(7)
Put options | Natural Gas
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss) on unsettled derivatives	(8)	2
Total gain (loss) on settled derivatives	10	0
Sold Put | Natural Gas
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss) on unsettled derivatives	8	(6)
Total gain (loss) on settled derivatives	$ (10)	$ 0