Goodwill and Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Goodwill [Roll Forward]
Beginning balance	$ 601	$ 668
Acquisitions	6	0
Divestitures	(4)	0
Translation	(48)	(67)
Ending balance	555	601
North America
Goodwill [Roll Forward]
Beginning balance	93	93
Acquisitions	0	0
Divestitures	(2)	0
Translation	0	0
Ending balance	91	93
Europe, Middle East and Africa
Goodwill [Roll Forward]
Beginning balance	448	511
Acquisitions	0	0
Divestitures	(2)	0
Translation	(45)	(63)
Ending balance	401	448
Asia Pacific
Goodwill [Roll Forward]
Beginning balance	60	64
Acquisitions	6	0
Divestitures	0	0
Translation	(3)	(4)
Ending balance	$ 63	$ 60