Restructuring and Other Charges - Roll Forward of Restructuring Reserve (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2016
Employee Severance
Restructuring Reserve [Roll Forward]
Restructuring Reserve, beginning balance	$ 30	$ 30
Expenses		30
Cash Payments		(45)
Impact of Exchange Rates		0
Restructuring Reserve, ending balance		$ 15
Europe | Reduction in Structural Costs
Restructuring Cost and Reserve [Line Items]
Restructuring Plan, Cost Reduction Initiative, Annualized Run Rate	$ 49