INCOME TAXES - COMPONENTS OF DEFERRED TAX ASSETS AND LIABILITIES (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Deferred tax liabilities
Property, plant and equipment differences	$ (7,218)	$ (9,905)
Equity investments, partnerships and international subsidiaries	(441)	(571)
Gross long-term deferred tax liabilities	(7,659)	(10,476)
Deferred tax assets
Environmental reserves	229	242
Postretirement benefit accruals	235	285
Deferred compensation and benefits	207	286
Asset retirement obligations	799	850
Foreign tax credit carryforwards	3,622	3,904
General business credit carryforwards	30	698
Net operating loss carryforward	1,058	1,628
Interest expense carryforward	11	28
All other	771	689
Gross long-term deferred tax assets	6,962	8,610
Valuation allowance	(4,785)	(5,136)
Net long-term deferred tax assets	2,177	3,474
Total deferred income tax liability, net	(5,482)	(7,002)
Net long-term deferred tax assets	(30)	(37)
Total deferred income tax liability, gross	$ (5,512)	$ (7,039)