INCOME TAXES - Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reconciliation of effective income tax rate and amount computed using expected U.S. statutory federal rate
Income tax expense at U.S. federal statutory rate	$ 308	$ 119	$ 1,251
Adjustment due to:
Foreign rate differential	137	55	210
Innovation Box Tax benefit	(230)	(79)	(443)
Goodwill impairment	0	228	0
Stock-based compensation	37	32	23
Federal GILTI	17	73	36
State income tax (benefit) expense	(6)	(31)	9
Valuation allowance	(19)	36	1
Uncertain tax positions	39	64	11
Tax Act - U.S. transition tax benefit and other transition impacts	0	(8)	(17)
Other	17	19	12
Income tax expense	$ 300	$ 508	$ 1,093