SUPPLEMENTAL OIL AND GAS DISCLOSURES (Unaudited) - Principal Sources of Change In Discounted Future Net Cash Flows (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Extractive Industries [Abstract]
Sales, net of production costs	$ (4,707)	$ (2,422)	$ (4,291)
Net change in prices and production costs	9,376	(5,753)	(3,034)
Discoveries and improved recovery, net of related costs	1,749	751	2,042
Change in future development costs	(839)	20	(75)
Previously estimated development costs incurred during the period	545	576	983
Revision of quantities	1,983	(418)	(741)
Purchases of minerals in-place	1	0	0
Accretion of discount	626	1,236	1,693
Change in income taxes	(1,583)	1,533	720
Sales of minerals in-place	(116)	(104)	(817)
Change in production rates and other	13	11	(319)
Change in the discounted future net cash flows, Total	$ 7,048	$ (4,570)	$ (3,839)