INCOME TAXES - Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Total unrecognized tax benefits at January 1	$ 1,311	$ 1,296	$ 861
Increases for current year’s tax positions	59	55	97
Increases for prior years’ tax positions	51	168	515
Decreases for prior years’ tax positions	(138)	(119)	(107)
Amounts of decreases relating to settlements	(3)	(50)	(64)
Reductions due to lapse of statutes of limitation	(4)	(26)	(2)
Foreign exchange, acquisitions and dispositions	1	(13)	(4)
Total unrecognized tax benefits at December 31	$ 1,277	$ 1,311	$ 1,296