DERIVATIVES - Schedule of Fair Value Derivatives (Details) - Marketing Derivatives - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Gross and net fair values of outstanding derivatives
Collateral paid netted against derivative liabilities	$ 45	$ 42
Other current assets
Gross and net fair values of outstanding derivatives
Netting, asset	(1,349)	(1,009)
Total net fair value, asset	35	99
Other long-term assets
Gross and net fair values of outstanding derivatives
Netting, asset	(6)	(43)
Total net fair value, asset	1	5
Accrued liabilities
Gross and net fair values of outstanding derivatives
Netting and collateral, liability	1,349	1,009
Total net fair value, liability	(90)	(22)
Deferred credits and other liabilities - other
Gross and net fair values of outstanding derivatives
Netting and collateral, liability	6	43
Total net fair value, liability	(3)	(6)
Level 1 | Other current assets
Gross and net fair values of outstanding derivatives
Commodity contract derivative asset, gross	1,289	1,008
Level 1 | Other long-term assets
Gross and net fair values of outstanding derivatives
Commodity contract derivative asset, gross	6	47
Level 1 | Accrued liabilities
Gross and net fair values of outstanding derivatives
Commodity contract derivative liability, gross	(1,340)	(967)
Level 1 | Deferred credits and other liabilities - other
Gross and net fair values of outstanding derivatives
Commodity contract derivative liability, gross	(6)	(43)
Level 2 | Other current assets
Gross and net fair values of outstanding derivatives
Commodity contract derivative asset, gross	95	100
Level 2 | Other long-term assets
Gross and net fair values of outstanding derivatives
Commodity contract derivative asset, gross	1	1
Level 2 | Accrued liabilities
Gross and net fair values of outstanding derivatives
Commodity contract derivative liability, gross	(99)	(64)
Level 2 | Deferred credits and other liabilities - other
Gross and net fair values of outstanding derivatives
Commodity contract derivative liability, gross	(3)	(6)
Level 3 | Other current assets
Gross and net fair values of outstanding derivatives
Commodity contract derivative asset, gross	0	0
Level 3 | Other long-term assets
Gross and net fair values of outstanding derivatives
Commodity contract derivative asset, gross	0	0
Level 3 | Accrued liabilities
Gross and net fair values of outstanding derivatives
Commodity contract derivative liability, gross	0	0
Level 3 | Deferred credits and other liabilities - other
Gross and net fair values of outstanding derivatives
Commodity contract derivative liability, gross	$ 0	$ 0