UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income (loss)	$ 857	$ (167)	$ 157	$ (222)
Other comprehensive (loss) income, net of tax
Foreign currency translation adjustments	(70)	8	(108)	(22)
Losses on cash flow hedges	0	11	0	0
Net unrealized gains on available-for-sale securities	1	98	0	97
Total other comprehensive (loss) income, net of tax	(69)	117	(108)	75
Comprehensive income (loss)	$ 788	$ (50)	$ 49	$ (147)