Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Earnings Per Share [Abstract]
Net loss from continuing operations	$ (4)	$ (10)	$ (14)	$ (33)
Accrued dividends on preferred stock	(3)	0	(5)	0
Adjusted Net Loss from Continuing Operations Available to Common Shareholders, Basic	(7)	(10)	(19)	(33)
Income from discontinued operations, net of tax, Basic	0	0	4	0
Adjusted Net Loss Available to Common Stockholders, Basic	$ (7)	$ (10)	$ (15)	$ (33)
Weighted average number of shares outstanding, Basic	203,673	202,875	203,522	202,875
Loss from continuing operations, per basic share	$ (0.03)	$ (0.05)	$ (0.09)	$ (0.17)
Income from discontinued operation, net of tax, per basic share	0.00	0.00	0.02	0.00
Basic Loss per Share	$ (0.03)	$ (0.05)	$ (0.07)	$ (0.17)
Adjusted Net Loss from Continuing Operations Available to Common Shareholders, Diluted	$ (7)	$ (10)	$ (19)	$ (33)
Net income from discontinued operations, diluted	0	0	4	0
Adjusted Net Loss Available to Common Stockholders, Diluted	$ (7)	$ (10)	$ (15)	$ (33)
Weighted average number of shares outstanding, Diluted	203,673	202,875	203,522	202,875
Loss from continuing operations, per diluted share	$ (0.03)	$ (0.05)	$ (0.09)	$ (0.17)
Income from discontinued operation, net of tax, per diluted share	0.00	0.00	0.02	0.00
Loss Per Share, Diluted	$ (0.03)	$ (0.05)	$ (0.07)	$ (0.17)