v3.2.0.727
Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2015
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
The following table summarizes basic and diluted earnings per share (in millions, except for per share amounts):
 
Three Months Ended
 
Six Months Ended
 
June 30, 2015
 
June 30, 2014
 
June 30, 2015
 
June 30, 2014
Basic earnings per share
 
 
 
 
 
 
 
Net income attributable to stockholders
$
1,117

 
$
278

 
$
2,062

 
$
491

Less: cumulative dividends on Series A preferred stock(a)

 
(88
)
 

 
(176
)
Net income attributable to common stockholders
$
1,117

 
$
190

 
$
2,062

 
$
315

 
 
 
 
 
 
 
 
Weighted-average common shares outstanding
1,596

 
1,608

 
1,606

 
1,598

Basic earnings per common share
$
0.70

 
$
0.12

 
$
1.28

 
$
0.20

Diluted earnings per share
 
 
 
 
 
 

Net income attributable to common stockholders – basic
$
1,117

 
$
190

 
$
2,062

 
$
315

Less: earnings adjustment for dilutive stock compensation rights
(4
)
 
—

 
(1
)
 
(14
)
Net income attributable to common stockholders – diluted
$
1,113

 
$
190

 
$
2,061

 
$
301

 
 
 
 
 
 
 
 
Weighted-average common shares outstanding – basic
1,596

 
1,608

 
1,606

 
1,598

Dilutive effect of warrants and restricted stock units (RSUs)
64

 
80

 
67

 
91

Weighted-average common shares outstanding – diluted
1,660

 
1,688

 
1,673

 
1,689

 
 
 
 
 
 
 
 
Diluted earnings per common share
$
0.67

 
$
0.11

 
$
1.23

 
$
0.18

________
(a)
Includes earned but undeclared dividends of $15 million on our Series A preferred stock in the three and six months ended June 30, 2014.