XML 57 R46.htm IDEA: XBRL DOCUMENT v3.10.0.1
Earnings per Common Share (Tables)
 9 Months Ended
Sep. 30, 2018
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following table presents the calculation of basic and diluted earnings per common share.
 
 
Three months ended September 30,
 
Nine months ended September 30,
($ in millions, except per share data; shares in thousands) (a)
 
2018
 
2017
 
2018
 
2017
Net income from continuing operations attributable to common stockholders
 
$
374

 
$
280

 
$
974

 
$
747

Income (loss) from discontinued operations, net of tax
 
—

 
2

 
(1
)
 
1

Net income attributable to common stockholders
 
$
374

 
$
282

 
$
973

 
$
748

Basic weighted-average common shares outstanding (b)
 
422,187

 
449,169

 
429,625

 
457,612

Diluted weighted-average common shares outstanding (b)
 
424,784

 
451,078

 
432,038

 
458,848

Basic earnings per common share
 
 
 
 
 
 
 
 
Net income from continuing operations
 
$
0.89

 
$
0.62

 
$
2.27

 
$
1.63

Income from discontinued operations, net of tax
 
—

 
—

 
—

 
—

Net income
 
$
0.89

 
$
0.63

 
$
2.26

 
$
1.63

Diluted earnings per common share
 
 
 
 
 
 
 
 
Net income from continuing operations
 
$
0.88

 
$
0.62

 
$
2.25

 
$
1.63

Income from discontinued operations, net of tax
 
—

 
—

 
—

 
—

Net income
 
$
0.88

 
$
0.63

 
$
2.25

 
$
1.63

(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 vested but were not yet issued for the three months and nine months ended September 30, 2018, and 2017.