XML 123 R20.htm IDEA: XBRL DOCUMENT v2.4.0.6
Earnings Per Common Share Computation
 12 Months Ended
Dec. 31, 2012
Earnings Per Common Share Computation

13. EARNINGS PER COMMON SHARE COMPUTATION

Detail supporting the computation of basic and diluted earnings per common share was as follows for the years ended December 31, 2012, 2011 and 2010:

 

     2012      2011      2010  
     (dollars in millions, except per
common share results, number of
shares in thousands)		  

Net income available for common stockholders

    $ 1,222       $ 1,419       $ 1,099   
  

 

 

     

 

 

     

 

 

  

Weighted-average outstanding shares of common stock used to compute basic earnings per common share

      161,484         165,413         167,782   

Dilutive effect of:

         

Employee stock options

      576         959         676   

Restricted stock

      1,397         1,455         1,340   
  

 

 

     

 

 

     

 

 

  

Shares used to compute diluted earnings per common share

      163,457         167,827         169,798   
  

 

 

     

 

 

     

 

 

  

Basic earnings per common share

    $ 7.56       $ 8.58       $ 6.55   
  

 

 

     

 

 

     

 

 

  

Diluted earnings per common share

    $ 7.47       $ 8.46       $ 6.47   
  

 

 

     

 

 

     

 

 

  

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

      754         864         3,820