SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Capitalized exploratory well costs for continuing operations
Balance — beginning of year	$ 276	$ 213	$ 211
Additions to capitalized exploratory well costs pending the determination of proved reserves	750	323	163
Reclassifications to property, plant and equipment based on the determination of proved reserves	(314)	(183)	(67)
Capitalized exploratory well costs charged to expense	(307)	(77)	(94)
Balance — end of year	$ 405	$ 276	$ 213