Costs Associated with Rationalization Programs - Roll-Forward of the Rationalization Liability Between Periods (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Restructuring Reserve [Roll Forward]
Beginning balance			$ 219
2017 Charges			95
Incurred, including net Foreign Currency Translation of $23 million and $0 million, respectively			(73)
Reversed to the Statements of Operations	$ (5)		(7)
Ending balance	234		234
Rationalizations	46	$ 135	102	$ 194
Prior Year Plans
Restructuring Reserve [Roll Forward]
Rationalizations	20	7	50	23
Associate-Related Costs
Restructuring Reserve [Roll Forward]
Beginning balance			214
2017 Charges			70
Incurred, including net Foreign Currency Translation of $23 million and $0 million, respectively			(47)
Reversed to the Statements of Operations			(7)
Ending balance	230		230
Foreign currency translation			23
Associate-Related Costs | Prior Year Plans
Restructuring Reserve [Roll Forward]
Rationalizations	(5)	0	12	10
Other Exit and Non-Cancelable Lease Costs
Restructuring Reserve [Roll Forward]
Beginning balance			5
2017 Charges			25
Incurred, including net Foreign Currency Translation of $23 million and $0 million, respectively			(26)
Reversed to the Statements of Operations			0
Ending balance	4		4
Foreign currency translation			0
Other Exit and Non-Cancelable Lease Costs | Prior Year Plans
Restructuring Reserve [Roll Forward]
Rationalizations	$ 12	$ 6	24	$ 13
Benefit Plan Curtailments and Settlements | Prior Year Plans
Restructuring Reserve [Roll Forward]
Rationalizations			$ 14