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Earnings Per Common Share
 3 Months Ended
Mar. 31, 2015
Earnings Per Share [Abstract]  
Earnings Per Share [Text Block]
Earnings per Common Share
The following table presents the calculation of basic and diluted earnings per common share.
 
 
Three months ended
March 31,
($ in millions, except share data) (a)
 
2015
 
2014
Net income from continuing operations
 
$
179

 
$
198

Preferred stock dividends
 
(67
)
 
(68
)
Net income from continuing operations attributable to common shareholders
 
112

 
130

Income from discontinued operations, net of tax
 
397

 
29

Net income attributable to common shareholders
 
$
509

 
$
159

Basic weighted-average common shares outstanding (b)
 
482,247,935

 
479,767,540

Diluted weighted-average common shares outstanding (b)
 
482,781,619

 
479,767,540

Basic earnings per common share
 


 
 
Net income from continuing operations
 
$
0.23

 
$
0.27

Income from discontinued operations, net of tax
 
0.82

 
0.06

Net income
 
$
1.06

 
$
0.33

Diluted earnings per common share
 


 
 
Net income from continuing operations
 
$
0.23

 
$
0.27

Income from discontinued operations, net of tax
 
0.82

 
0.06

Net income
 
$
1.06

 
$
0.33

(a)
Figures in the table may not recalculate exactly due to rounding. Earnings per share is calculated based on unrounded numbers.
(b)
Includes shares related to share-based compensation that have vested but have not been issued for the three months ended March 31, 2015.