Costs Associated with Rationalization Programs - Textual (Details) $ in Millions	3 Months Ended
	Mar. 31, 2016 USD ($) Employees	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)
Restructuring Cost and Reserve [Line Items]
Rationalizations accrual balance	$ 89		$ 103
Rationalizations	11	$ 16
Rationalization charges incurred prior to current period			$ 365
Rationalization charges expected to be incurred in future periods	$ 30
Expected number of positions eliminated | Employees	500
Current Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations	$ 0	0
Prior Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations	$ 11	16
Number of positions eliminated | Employees	200
Wolverhampton Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Rationalizations accrual balance	$ 30
Amiens Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Rationalizations accrual balance	20
Rationalizations	$ 6	$ 12
Number of employees with claims filed | Employees	800