Earnings Per Share (Notes)

6 Months Ended

Jun. 30, 2016

Earnings Per Share

Basic and diluted earnings per share are computed by dividing Net income attributable to common stockholders by the weighted-average common shares outstanding in the period. Diluted earnings per share is computed by giving effect to all potentially dilutive securities that are outstanding.



	Three Months Ended						Six Months Ended
	June 30, 2016			June 30, 2015			June 30, 2016			June 30, 2015
Net income attributable to common stockholders – basic	$	2,866		$	1,117		$	4,819		$	2,062
Less: earnings adjustment for dilutive stock compensation rights	(1		)	(4		)	(2		)	(1		)
Net income attributable to common stockholders – diluted	$	2,865		$	1,113		$	4,817		$	2,061

Weighted-average common shares outstanding – basic	1,548			1,596			1,547			1,606
Dilutive effect of warrants and awards under stock incentive plans	33			64			33			67
Weighted-average common shares outstanding – diluted	1,581			1,660			1,580			1,673

Diluted earnings per common share	$	1.81		$	0.67		$	3.05		$	1.23

In the three and six months ended June 30, 2016 stock options to purchase 26 million shares were not included in the computation of diluted earnings per share because the stock options would have had an antidilutive effect. In the three and six months ended June 30, 2015 warrants to purchase 46 million shares were not included in the computation of diluted earnings per share because the warrants would have had an antidilutive effect. The warrants expired December 31, 2015.