Other Income (Expense), Net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Other Income and Expenses [Abstract]
Income from cash and cash investments	$ 1	$ 0
Income from financial investments, net	1	2
Foreign currency transaction losses	0	(1)
Other items, net	(3)	0
Total other, net	$ (1)	$ 1