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EARNINGS PER COMMON SHARE COMPUTATION
3 Months Ended
Mar. 31, 2017
Earnings Per Share [Abstract]  
EARNINGS PER COMMON SHARE COMPUTATION
EARNINGS PER COMMON SHARE COMPUTATION
Detail supporting the computation of basic and diluted earnings per common share was as follows for the three months ended March 31, 2017 and 2016:
 
Three months ended March 31,
 
2017
 
2016
 
(dollars in millions, except per common share results; number of shares in thousands)
Net income available for common stockholders
$
1,115

 
$
254

Weighted average outstanding shares of common stock
used to compute basic earnings per common share
147,824

 
149,161

Dilutive effect of:
 
 
 
Employee stock options
199

 
218

Restricted stock
849

 
1,517

Shares used to compute diluted earnings per common share
148,872

 
150,896

Basic earnings per common share
$
7.54

 
$
1.70

Diluted earnings per common share
$
7.49

 
$
1.68

Number of antidilutive stock options and restricted stock
excluded from computation
938

 
1,285