Computation of Basic/Diluted Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2013

Computation of Basic/Diluted Earnings Per Common Share

Schedule of computation of earnings per share

				Three Months Ended March 31,
				2013		2012
Numerator:
	Consolidated net income			$	456	$	384
		Less: Distributed earnings to unvested
			stock-based awards that participate
			in earnings		(5)		(4)
		Less: Undistributed earnings allocated to
			unvested stock-based awards that
			participate in earnings		(5)		(3)
	Numerator for basic and diluted earnings per
		common share - net income available to
		common shareholders			446		377
Denominator:
	Denominator for basic earnings per common
		share - weighted-average common
		shares outstanding			1,113		1,120
	Effect of potential dilutive common shares
		under the treasury stock method:
		Employee stock options			7		7
		Denominator for diluted earnings per
			common share - weighted-average
			common shares outstanding plus
			dilutive effect of employee stock
			options		1,120		1,127
Basic earnings per common share				$	0.40	$	0.34
Diluted earnings per common share				$	0.40	$	0.33