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FAIR VALUE MEASUREMENTS -Schedule of Recurring Fair Value Measurements (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Derivative liabilities
Cash held - offsetting derivative net asset positions under master-netting arrangements	$ 0	$ 0
Cash posted - total	45,000,000	41,000,000
Cash posted - offsetting derivative net liability positions under master-netting arrangements	10,000,000
Current Assets
Derivative liabilities
Cash posted - offsetting derivative net liability positions under master-netting arrangements	35,000,000
Fair Value, Recurring
Assets:
Derivative assets netting	(72,000,000)	(125,000,000)
Derivative assets	3,000,000	52,000,000
Derivative liabilities
Derivative liabilities netting	81,000,000	84,000,000
Derivative liabilities	(5,000,000)	0
Fair Value, Recurring | Commodity contracts
Assets:
Derivative assets netting	(72,000,000)	(125,000,000)
Derivative assets	3,000,000	52,000,000
Derivative liabilities
Derivative liabilities netting	81,000,000	84,000,000
Derivative liabilities	(5,000,000)	0
Fair Value, Recurring | Gross Fair Value Measurement
Assets:
Derivative asset, fair value, gross	75,000,000	177,000,000
Derivative liabilities
Derivative liability, fair value, gross	(86,000,000)	(84,000,000)
Fair Value, Recurring | Gross Fair Value Measurement | Commodity contracts
Assets:
Derivative asset, fair value, gross	75,000,000	177,000,000
Derivative liabilities
Derivative liability, fair value, gross	(86,000,000)	(84,000,000)
Fair Value, Recurring | Fair Value, Inputs, Level 1
Assets:
Derivative asset, fair value, gross	41,000,000	109,000,000
Derivative liabilities
Derivative liability, fair value, gross	(40,000,000)	(40,000,000)
Fair Value, Recurring | Fair Value, Inputs, Level 1 | Commodity contracts
Assets:
Derivative asset, fair value, gross	41,000,000	109,000,000
Derivative liabilities
Derivative liability, fair value, gross	(40,000,000)	(40,000,000)
Fair Value, Recurring | Fair Value, Inputs, Level 2
Assets:
Derivative asset, fair value, gross	34,000,000	68,000,000
Derivative liabilities
Derivative liability, fair value, gross	(46,000,000)	(44,000,000)
Fair Value, Recurring | Fair Value, Inputs, Level 2 | Commodity contracts
Assets:
Derivative asset, fair value, gross	34,000,000	68,000,000
Derivative liabilities
Derivative liability, fair value, gross	(46,000,000)	(44,000,000)
Fair Value, Recurring | Fair Value, Inputs, Level 3
Assets:
Derivative asset, fair value, gross	0	0
Derivative liabilities
Derivative liability, fair value, gross	0	0
Fair Value, Recurring | Fair Value, Inputs, Level 3 | Commodity contracts
Assets:
Derivative asset, fair value, gross	0	0
Derivative liabilities
Derivative liability, fair value, gross	$ 0	$ 0

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