Earnings Per Common Share (Tables)

12 Months Ended

Dec. 31, 2012

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:

	2012			2011			2010
Numerator (basic and diluted):
Loss from continuing operations	$	(76	)	$	(465	)	$	(1,022	)
Allocation to unvested restricted stock awards		(2	)		(3	)		(3	)
Loss from continuing operations attributable to common shareholders		(78	)		(468	)		(1,025	)
Loss from discontinued operations, net		(38	)		(110	)		(21	)
Net loss available to common shareholders	$	(116	)	$	(578	)	$	(1,046	)
Denominator:
Basic common shares (based on weighted average)		349			348			349
Add:
Contingent common shares		—			—			—
Stock option dilution		—			—			—
Diluted common shares		349			348			349