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

12 Months Ended

Dec. 31, 2012

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

Schedule of computation of earnings per share

				Years Ended December 31,
				2012		2011		2010
Numerator:
	Consolidated net income			$	1,149	$	1,085	$	418
		Less: Distributed earnings to unvested
			stock-based awards that participate
			in earnings		(4)		(3)		(2)
		Less: Undistributed earnings allocated to
			unvested stock-based awards that
			participate in earnings		(20)		(13)		(2)
	Numerator for basic and diluted earnings per
		common share - income available to
		common shareholders		$	1,125	$	1,069	$	414
Denominator:
	Denominator for basic earnings per common
		share - weighted-average common
		shares outstanding			1,112		1,148		1,222
	Effect of potential dilutive common shares
		under the treasury stock method:
		Employee stock options			6		8		14
		Denominator for diluted earnings per
			common share - weighted-average
			common shares outstanding plus
			dilutive effect of employee stock
			options		1,118		1,156		1,236
Basic earnings per common share				$	1.01	$	0.93	$	0.34
Diluted earnings per common share				$	1.01	$	0.92	$	0.33