Derivative Instruments - Change in Unrealized Gains (Losses) in AOCI (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	$ 571	$ 536	$ 684
Change in fair value, net of tax	(205)
Reclassification into earnings, net of tax	1
Ending Balance	2,107	571	536
Cash Flow Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	14	2	4
Change in fair value, net of tax	11	14	3
Reclassification into earnings, net of tax	(19)	(2)	(5)
Ending Balance	6	14	2
Net Investment Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(81)	(8)	0
Change in fair value, net of tax	59	(73)	(8)
Reclassification into earnings, net of tax	5	0	0
Ending Balance	(17)	(81)	(8)
Interest rate swap contracts
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	0	0	0
Change in fair value, net of tax	(203)	0	0
Reclassification into earnings, net of tax	0	0	0
Ending Balance	$ (203)	$ 0	$ 0