DERIVATIVES - Schedule of Fair Value Derivatives (Details) - Marketing Derivatives - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Gross and net fair values of outstanding derivatives
Collateral paid netted against derivative liabilities	$ 3	$ 15
Other current assets
Gross and net fair values of outstanding derivatives
Netting, asset	(1,090)	(980)
Total net fair value, asset	34	67
Long-term receivables and other assets, net
Gross and net fair values of outstanding derivatives
Netting, asset	(9)	(1)
Total net fair value, asset	2	2
Accrued liabilities
Gross and net fair values of outstanding derivatives
Netting and collateral, liability	1,090	980
Total net fair value, liability	(32)	(54)
Deferred credits and other liabilities - other
Gross and net fair values of outstanding derivatives
Netting and collateral, liability	9	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	1,025	920
Level 1 | Long-term receivables and other assets, net
Gross and net fair values of outstanding derivatives
Commodity contract derivative asset, gross	9	1
Level 1 | Accrued liabilities
Gross and net fair values of outstanding derivatives
Commodity contract derivative liability, gross	(1,035)	(938)
Level 1 | Deferred credits and other liabilities - other
Gross and net fair values of outstanding derivatives
Commodity contract derivative liability, gross	(9)	(1)
Level 2 | Other current assets
Gross and net fair values of outstanding derivatives
Commodity contract derivative asset, gross	99	127
Level 2 | Long-term receivables and other assets, net
Gross and net fair values of outstanding derivatives
Commodity contract derivative asset, gross	2	2
Level 2 | Accrued liabilities
Gross and net fair values of outstanding derivatives
Commodity contract derivative liability, gross	(87)	(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