Earnings per Share (Tables)

6 Months Ended

Jun. 30, 2012

Earnings per Share [Abstract]

Reconciliation of basic earnings per share to diluted earnings per share for income from continuing operations

	Three Months Ended June 30,
	2012		2011
Income from continuing operations	$	129	$	150
Weighted average common shares for basic earnings per share		195		189
Effect of dilutive stock options and restricted stock awards		3		6
Weighted average common shares for diluted earnings per share		198		195
Basic earnings per share	$	0.67	$	0.79
Diluted earnings per share	$	0.66	$	0.77

	Six Months Ended June 30,
	2012		2011
Income from continuing operations	$	258	$	179
Weighted average common shares for basic earnings per share		193		188
Effect of dilutive stock options and restricted stock awards		4		7
Weighted average common shares for diluted earnings per share		197		195
Basic earnings per share	$	1.34	$	0.95
Diluted earnings per share	$	1.31	$	0.92