Interest Income and Other, Net - Summary of Interest Income and Other, Net (Details) - USD ($) $ in Millions		3 Months Ended	9 Months Ended
		Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Other Income And Expenses [Abstract]
Net loss, realized and unrealized, on foreign exchange and foreign currency derivative contracts and other, net		$ (4)	$ (1)	$ (3)
Interest income			$ 1	1
Gain on sale of business	[1]	17		17
Total		$ 13		$ 15

[1] In August 2015, we sold 100% interest in one of our Chinese subsidiaries to an unrelated third party for $28 million in cash consideration and recognized a $17 million gain on sale of subsidiary in the third quarter of 2015.