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FAIR VALUE MEASUREMENTS -Schedule of Recurring Fair Value Measurements (Details) - USD ($)	Mar. 31, 2025	Dec. 31, 2024
Derivative liabilities
Cash held - offsetting derivative net asset positions under master- netting arrangements	$ 0	$ 0
Cash posted - total	94,000,000	45,000,000
Cash posted - offsetting derivative net liability positions under master-netting arrangements	49,000,000	10,000,000
Current Assets
Derivative liabilities
Cash posted - offsetting derivative net liability positions under master-netting arrangements	45,000,000	35,000,000
Fair Value, Recurring
Derivative assets
Derivative assets netting	(81,000,000)	(72,000,000)
Derivative assets	0	3,000,000
Derivative liabilities
Derivative liabilities netting	130,000,000	81,000,000
Derivative liabilities	(6,000,000)	(5,000,000)
Fair Value, Recurring | Total - Gross
Derivative assets
Derivative asset, fair value, gross	81,000,000	75,000,000
Derivative liabilities
Derivative liability, fair value, gross	(136,000,000)	(86,000,000)
Level 1 | Fair Value, Recurring
Derivative assets
Derivative asset, fair value, gross	44,000,000	41,000,000
Derivative liabilities
Derivative liability, fair value, gross	(63,000,000)	(40,000,000)
Level 2 | Fair Value, Recurring
Derivative assets
Derivative asset, fair value, gross	37,000,000	34,000,000
Derivative liabilities
Derivative liability, fair value, gross	(73,000,000)	(46,000,000)
Level 3 | Fair Value, Recurring
Derivative assets
Derivative asset, fair value, gross	0	0
Derivative liabilities
Derivative liability, fair value, gross	0	0
Commodity contracts | Fair Value, Recurring
Derivative assets
Derivative assets netting	(81,000,000)	(72,000,000)
Derivative assets	0	3,000,000
Derivative liabilities
Derivative liabilities netting	130,000,000	81,000,000
Derivative liabilities	(6,000,000)	(5,000,000)
Commodity contracts | Fair Value, Recurring | Total - Gross
Derivative assets
Derivative asset, fair value, gross	81,000,000	75,000,000
Derivative liabilities
Derivative liability, fair value, gross	(136,000,000)	(86,000,000)
Commodity contracts | Level 1 | Fair Value, Recurring
Derivative assets
Derivative asset, fair value, gross	44,000,000	41,000,000
Derivative liabilities
Derivative liability, fair value, gross	(63,000,000)	(40,000,000)
Commodity contracts | Level 2 | Fair Value, Recurring
Derivative assets
Derivative asset, fair value, gross	37,000,000	34,000,000
Derivative liabilities
Derivative liability, fair value, gross	(73,000,000)	(46,000,000)
Commodity contracts | Level 3 | Fair Value, Recurring
Derivative assets
Derivative asset, fair value, gross	0	0
Derivative liabilities
Derivative liability, fair value, gross	$ 0	$ 0

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