ACQUISITIONS, DIVESTITURES AND OTHER TRANSACTIONS - AQCUISITION-RELATED COSTS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Total	$ 153	$ 339	$ 1,647
Anadarko Petroleum Corporation
Business Acquisition [Line Items]
Employee severance and related employee cost	117	314	1,033
IT costs	36	9	15
Licensing fees for critical seismic data	0	0	401
Bank, legal, consulting and other	0	16	198
Total	$ 153	$ 339	$ 1,647