Other, Net (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Other Expenses [Abstract]
Estimated future obligation under a performance guarantee	$ (96)	$ 0
Satisfaction of future obligation under performance guarantee	35
Reduction in estimated exposure of future obligation under performance guarantee	61
Ukraine charitable pledge	20	0
Severance and other non-income tax refunds	$ 3	$ 36