Goodwill and Other Intangible Assets - Goodwill (Details) $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($)
Goodwill [Roll Forward]
Beginning Balance	$ 2,592
Other	(9)	[1]
Ending Balance	2,583
United States (U.S.)
Goodwill [Roll Forward]
Beginning Balance	1,367
Other	0	[1]
Ending Balance	1,367
International
Goodwill [Roll Forward]
Beginning Balance	1,225
Other	(9)	[1]
Ending Balance	$ 1,216

[1] Includes adjustments for foreign currency translation.