Stockholders' Equity (Schedule of Components of Other Comprehensive Income (Loss), Net) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Stockholders' Equity Note [Abstract]
Foreign currency translation gain (loss), gross amount	$ (15)	$ 3
Foreign currency translation gain (loss), income tax (provision) benefit	(6)	(7)
Foreign currency translation gain (loss), net	(21)	(4)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax	19	44
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax	4	10
Gain (loss) on cash flow hedges	15	34
Pension and postretirement benefits gain (loss), gross amount	2	(4)
Pension and postretirement benefits gain (loss), income tax (provision) benefit	0	0
Pension and postretirement benefits gain (loss), net	2	(4)
Other Comprehensive Income (Loss), before Tax	6	43
Income tax (provision) benefit	(10)	(17)
Total other comprehensive income (loss), net of tax	(4)	26
Other Comprehensive Income (Loss), before Tax	6	43
Income tax (provision) benefit	(10)	(17)
Total other comprehensive income (loss), net of tax	$ (4)	$ 26