DERIVATIVES - Schedule of Fair Value Derivatives (Details) - Marketing Derivatives - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Gross and net fair values of outstanding derivatives
Collateral received netted against derivative assets	$ 35
Collateral paid netted against derivative liabilities	1	$ 15
Other current assets
Gross and net fair values of outstanding derivatives
Netting, asset	(948)	(980)
Total net fair value, asset	90	67
Long-term receivables and other assets, net
Gross and net fair values of outstanding derivatives
Netting, asset	(20)	(1)
Total net fair value, asset	3	2
Accrued liabilities
Gross and net fair values of outstanding derivatives
Netting and collateral, liability	948	980
Total net fair value, liability	(20)	(54)
Deferred credits and other liabilities - other
Gross and net fair values of outstanding derivatives
Netting and collateral, liability	20	2
Total net fair value, liability	0	0
Level 1 | Other current assets
Gross and net fair values of outstanding derivatives
Commodity contract derivative asset, gross	976	920
Level 1 | Long-term receivables and other assets, net
Gross and net fair values of outstanding derivatives
Commodity contract derivative asset, gross	22	1
Level 1 | Accrued liabilities
Gross and net fair values of outstanding derivatives
Commodity contract derivative liability, gross	(926)	(938)
Level 1 | Deferred credits and other liabilities - other
Gross and net fair values of outstanding derivatives
Commodity contract derivative liability, gross	(20)	(1)
Level 2 | Other current assets
Gross and net fair values of outstanding derivatives
Commodity contract derivative asset, gross	62	127
Level 2 | Long-term receivables and other assets, net
Gross and net fair values of outstanding derivatives
Commodity contract derivative asset, gross	1	2
Level 2 | Accrued liabilities
Gross and net fair values of outstanding derivatives
Commodity contract derivative liability, gross	(42)	(96)
Level 2 | Deferred credits and other liabilities - other
Gross and net fair values of outstanding derivatives
Commodity contract derivative liability, gross	0	(1)
Level 3 | Other current assets
Gross and net fair values of outstanding derivatives
Commodity contract derivative asset, gross	0	0
Level 3 | Long-term receivables and other assets, net
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