UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net loss	$ (700)	$ (55)
Other comprehensive loss, net of tax
Foreign currency translation adjustments	(38)	(30)
Unrealized losses on cash flow hedges	0	(11)
Net unrealized losses on available-for-sale securities	(1)	(1)
Total other comprehensive loss, net of tax	(39)	(42)
Comprehensive loss	$ (739)	$ (97)