Costs Associated with Rationalization Programs - Liability Balance Roll-forward (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Restructuring Reserve [Roll Forward]
Beginning Balance	$ 103
Rationalizations	11	$ 16
Reversed to the Statements of Operations	0
Incurred, Net of Foreign Currency Translation of ($1) million and $0 million, respectively	(25)
Ending Balance	89
Associate-Related Costs
Restructuring Reserve [Roll Forward]
Beginning Balance	96
Rationalizations	4
Reversed to the Statements of Operations	0
Incurred, Net of Foreign Currency Translation of ($1) million and $0 million, respectively	(18)
Ending Balance	82
Foreign currency translation	(1)
Other Exit and Non-Cancelable Lease Costs
Restructuring Reserve [Roll Forward]
Beginning Balance	7
Rationalizations	7
Reversed to the Statements of Operations	0
Incurred, Net of Foreign Currency Translation of ($1) million and $0 million, respectively	(7)
Ending Balance	7
Foreign currency translation	$ 0