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Earnings Per Share
3 Months Ended
Mar. 31, 2015
Earnings Per Share [Abstract]  
Earnings Per Share

7) Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share:

 

     Three Months Ended March 31  
     2015      2014  
    

(in millions, except for

per share amounts)

 

Basic earnings per share:

     

Net income

   $ 375       $ 449   
  

 

 

    

 

 

 

Weighted average shares outstanding

     233.5         248.6   
  

 

 

    

 

 

 

Basic earnings per share

   $ 1.61       $ 1.81   
  

 

 

    

 

 

 

Diluted earnings per share:

     

Net income

   $ 375       $ 449   
  

 

 

    

 

 

 

Weighted average shares outstanding

     233.5        248.6   

Additional shares from assumed issuance of shares under stock-based compensation awards

     .7         .6   
  

 

 

    

 

 

 

Weighted average shares and potential shares assumed outstanding for computing diluted earnings per share

     234.2         249.2   
  

 

 

    

 

 

 

Diluted earnings per share

   $ 1.60       $ 1.80