Accumulated Other Comprehensive Income - Changes in Accumulated Balances of Other Comprehensive Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accumulated Other Comprehensive Income (Loss), Tax
Beginning balance	$ 42	$ 25
Other comprehensive income (loss) before reclassifications	(17)	14
Less: Amount of gain (loss) reclassified from AOCI	13	(3)
Net current period other comprehensive income (loss)	(30)	17
Ending balance	12	42	$ 25
Accumulated Other Comprehensive Income (Loss), Net of Tax
Stockholders' equity, beginning of period	3,561	2,870
Other comprehensive income (loss) before reclassifications	(138)	244
Less: Amount of gain (loss) reclassified from AOCI	80	12
Other comprehensive income (loss), net of tax	(218)	232	(114)
Stockholders' equity, end of period	9,778	3,561	2,870
Unrealized Gains (Losses) on Derivative Instruments
Accumulated Other Comprehensive Income (Loss), Before Tax
Beginning balance	(85)	(9)
Other comprehensive income (loss) before reclassifications	91	(61)
Less: Amount of gain (loss) reclassified from AOCI	(59)	15
Net current period other comprehensive income (loss)	150	(76)
Ending balance	65	(85)	(9)
Unrealized Gains (Losses) on Investments
Accumulated Other Comprehensive Income (Loss), Before Tax
Beginning balance	5	5
Other comprehensive income (loss) before reclassifications	(11)	0
Less: Amount of gain (loss) reclassified from AOCI	1	0
Net current period other comprehensive income (loss)	(12)	0
Ending balance	(7)	5	5
Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss), Before Tax
Beginning balance	654	363
Other comprehensive income (loss) before reclassifications	(201)	291
Less: Amount of gain (loss) reclassified from AOCI	125	0
Net current period other comprehensive income (loss)	(326)	291
Ending balance	328	654	363
Total
Accumulated Other Comprehensive Income (Loss), Net of Tax
Stockholders' equity, beginning of period	616	384
Stockholders' equity, end of period	$ 398	$ 616	$ 384