SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Summary of Significant Accounting Policies [Line Items]
Interest paid	$ 1,685	$ 1,521	$ 912
Capitalized interest	61	84	89
Continuing operations
Summary of Significant Accounting Policies [Line Items]
Income tax payments	763	498	1,944
Income tax refunds received	70	223	80
Production, property and other tax payments	$ 790	$ 629	$ 724