UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income (loss)	$ 266	$ (700)
Other comprehensive income (loss), net of tax
Foreign currency translation adjustments	(2)	(38)
Net unrealized gains (losses) on available-for-sale securities	2	(1)
Total other comprehensive income (loss), net of tax	0	(39)
Comprehensive income (loss)	$ 266	$ (739)