Condensed Consolidated Statement of Equity (Deficit) - 9 months ended Sep. 30, 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 income	59	0	0	0	0	59	59	0
Other comprehensive income	7	0	0	0	7	0	7	0
Balance at Sep. 30, 2016	$ (2,411)	$ 1	$ 526	$ (296)	$ (8)	$ (2,633)	$ (2,410)	$ (1)