SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property, Plant And Equipment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Capitalized exploratory well costs for continuing operations
Balance — beginning of year	$ 262	$ 405	$ 276
Additions to capitalized exploratory well costs pending the determination of proved reserves	409	556	750
Reclassifications to property, plant and equipment based on the determination of proved reserves	(205)	(594)	(314)
Capitalized exploratory well costs charged to expense	(100)	(105)	(307)
Balance — end of year	$ 366	$ 262	$ 405