Computation of basic/diluted earnings per common share (Tables)

9 Months Ended

Sep. 30, 2011

Computation of basic/diluted earnings per common share.

Schedule of computation of earnings per share

				Three months ended September 30,				Nine months ended September 30,
				2011		2010		2011		2010
Numerator:
	Consolidated net income			$	148	$	51	$	986	$	651
		Less: Distributed earnings to unvested
			stock-based awards that participate
			in earnings		---		---		(3)		(2)
		Less: Undistributed earnings allocated to
			unvested stock-based awards that
			participate in earnings		(2)		---		(11)		(4)
	Numerator for basic and diluted earnings per
		common share - net income available to
		common shareholders			146		51		972		645
Denominator:
	Denominator for basic earnings per common
		share - weighted-average common
		shares outstanding			1,140		1,212		1,151		1,230
	Effect of potential dilutive common shares
		under the treasury stock method:
		Employee stock options			8		15		9		15
		Denominator for diluted earnings per
			common share - weighted-average
			common shares outstanding plus
			dilutive effect of employee stock
			options		1,148		1,227		1,160		1,245
Basic earnings per common share				$	0.13	$	0.04	$	0.84	$	0.53
Diluted earnings per common share				$	0.13	$	0.04	$	0.84	$	0.52