INCOME TAXES - COMPONENTS OF DEFERRED TAX ASSETS AND LIABILITIES (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Deferred tax liabilities
Property, plant and equipment differences	$ (6,994)	$ (7,218)
Equity investments, partnerships and international subsidiaries	(709)	(441)
Gross long-term deferred tax liabilities	(7,703)	(7,659)
Deferred tax assets
Environmental reserves	223	229
Postretirement benefit accruals	229	235
Deferred compensation and benefits	237	207
Asset retirement obligations	722	799
Foreign tax credit carryforwards	2,759	3,622
Business credit carryforwards	43	30
Net operating loss carryforward	1,056	1,058
Interest expense carryforward	11	11
All other	586	771
Gross long-term deferred tax assets	5,866	6,962
Valuation allowance	(3,901)	(4,785)
Net long-term deferred tax assets	1,965	2,177
Total deferred income tax liability, net	(5,738)	(5,482)
Less: foreign deferred tax asset in long-term receivables and other assets, net	(26)	(30)
Total deferred income tax liability	$ (5,764)	$ (5,512)