Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Indefinite-lived Intangible Assets, Foreign Currency Translation Gain (Loss)	$ 40
Goodwill, Foreign Currency Translation Gain (Loss)	41
Amortization of Intangible Assets	113	$ 75	$ 27
Amortization expense of intangible assets next 12 months	106
Finite-Lived Intangible Assets, Amortization Expense, Year Two	99
Finite-Lived Intangible Assets, Amortization Expense, Year Three	96
Finite-Lived Intangible Assets, Amortization Expense, Year Four	93
Finite-Lived Intangible Assets, Amortization Expense, Year Five	$ 85