Earnings Per Common Share (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Numerators and Denominators Used in Computations of Basic and Diluted Earnings Per Common Share

Reconciliations of the numerators and denominators used in the computations of basic and diluted earnings per common share were as follows, in millions:

	Three Months Ended June 30,						Six Months Ended June 30,
	2013			2012			2013			2012
Numerator (basic and diluted):
Income (loss) from continuing operations	$	82		$	(51	)	$	138		$	(9	)
Allocation to unvested restricted stock awards		(2	)		(1	)		(3	)		(1	)
Income (loss) from continuing operations attributable to common shareholders		80			(52	)		135			(10	)
Loss from discontinued Operations, net		(5	)		(24	)		(14	)		(33	)
Net income (loss) available to common shareholders	$	75		$	(76	)	$	121		$	(43	)
Denominator:
Basic common shares (based upon weighted average)		349			349			349			349
Add:
Contingent common shares		—			—			—			—
Stock option dilution		3			—			3			—
Diluted common shares		352			349			352			349