Derivative Instruments - Net Gains (Losses) from Changes in Fair Value (Details) - Derivative instruments not designated as hedges: - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss) recognized in income	$ 20	$ (58)	$ (22)
Foreign exchange contracts | Foreign exchange loss
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss) recognized in income	7	(12)	(3)
Forward interest rate swaps | Interest expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss) recognized in income	$ 13	$ (46)	$ (19)