Other Income, Net - (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Other Income and Expenses [Abstract]
Interest income	$ 4	$ 5	$ 11	$ 11
Government grants and incentives	1		2	2
Foreign exchange gain (loss)	(4)	$ 6	(10)	8
Strategic transaction expenses	$ (1)	$ (2)	(3)	$ (3)
Gain on derecognition of noncontrolling interest			5
Gain on sale of marketable securities			$ 1
Recognition of unrealized gain on payment-in-kind note receivable				$ 2
Insurance recoveries		$ 2	$ 4	2
Other	$ 2	9	8	13
Other income, net	$ 2	$ 20	$ 18	$ 35