Stockholders' Equity (Schedule of Components of Other Comprehensive Income (Loss), Net) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Comprehensive Income (Loss) [Line Items]
Foreign currency translation, gross amount	$ 20	$ (4)	$ (10)
Foreign currency translation, income tax (provision) benefit	(31)	(4)	(6)
Foreign currency translation, net amount	(11)	(8)	(16)
Gain (loss) on cash flow hedges	13	(18)	(30)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax	21	(8)	(8)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax	34	(26)	(38)
Pension and postretirement benefits, gross amount	(3)	(2)	(6)
Pension and postretirement benefits, income tax (provision) benefit	0	0	(1)
Pension and postretirement benefits, net amount	(3)	(2)	(7)
Total other comprehensive income (loss), gross amount	51	(32)	(54)
Total other comprehensive income (loss), income tax (provision) benefit	(52)	4	1
Total other comprehensive income (loss), net of tax	$ (1)	$ (28)	$ (53)