Costs Associated with Rationalization Programs - Liability Balance Roll-forward (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2016
Restructuring Reserve [Roll Forward]
Beginning Balance		$ 103
2016 Charges		62
Reversed to the Statements of Operations		(2)
Incurred, Net of Foreign Currency Translation of $1 million and $0 million, respectively		(45)
Ending Balance	$ 118	118
Associate-Related Costs
Restructuring Reserve [Roll Forward]
Beginning Balance		96
2016 Charges		55
Reversed to the Statements of Operations	(2)	(2)
Incurred, Net of Foreign Currency Translation of $1 million and $0 million, respectively		(36)
Ending Balance	113	113
Foreign currency translation		1
Other Exit and Non-Cancelable Lease Costs
Restructuring Reserve [Roll Forward]
Beginning Balance		7
2016 Charges		7
Reversed to the Statements of Operations		0
Incurred, Net of Foreign Currency Translation of $1 million and $0 million, respectively		(9)
Ending Balance	$ 5	5
Foreign currency translation		$ 0