Earnings (Loss) Per Share (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Earnings Per Share [Abstract]
Income (loss) from continuing operations, net of tax	$ 2	$ (29)
Income from discontinued operations, net of tax	0	2
Net income (loss)	$ 2	$ (27)
Shares, Basic	108,390,706	105,718,156
Dilutive RSUs, MSUs, performance shares and stock options	2,700,000	0
Deferred shares associated with a deferred compensation program for non-employee directors	200,000	0
Shares, Diluted	111,332,621	105,718,156
Income (Loss) from continuing operations per basic share	$ 0.02	$ (0.28)
Income from discontinued operations per basic share	$ 0.00	$ 0.02
Basic income (loss) per common share	$ 0.02	$ (0.26)
Income (loss) from continuing operations per diluted share	$ 0.02	$ (0.28)
Income from discontinued operations per diluted share	$ 0.00	$ 0.02
Diluted income (loss) per common share	$ 0.02	$ (0.26)