CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 12	$ 274	$ 223	$ 560
Other comprehensive loss
Unrealized loss on available-for-sale debt securities	(7)	(2)	(16)	(11)
Tax benefit	2	1	4	1
Unrealized loss on available-for-sale debt securities, net of tax	(5)	(1)	(12)	(10)
Unrealized gain on cash flow hedges				1
Unrealized gain on cash flow hedges, net of tax				1
Foreign currency translation adjustments		10		(19)
Other comprehensive loss (income), net of tax	(5)	9	(12)	(28)
Total comprehensive income, net of tax	$ 7	$ 283	$ 211	$ 532