Condensed Consolidated Statement of Equity (Deficit) - 3 months ended Mar. 31, 2016 - USD ($) $ in Millions	Total	Common Stock [Member]	Paid-in Capital [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income [Member]	Accumulated Deficit [Member]	Parent [Member]	Noncontrolling Interest [Member]
Balance at Dec. 31, 2015	$ (2,477)	$ 1	$ 526	$ (296)	$ (15)	$ (2,692)	$ (2,476)	$ (1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(44)	0	0	0	0	(44)	(44)	0
Other comprehensive loss	26	0	0	0	26	0	26	0
Balance at Mar. 31, 2016	$ (2,495)	$ 1	$ 526	$ (296)	$ 11	$ (2,736)	$ (2,494)	$ (1)