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Computation of Earnings Per Share
12 Months Ended
May 31, 2011
Earnings Per Share Abstract  
Computation of Earnings Per Share

NOTE 10: COMPUTATION OF EARNINGS PER SHARE

 

The calculation of basic and diluted earnings per common share for the years ended May 31 was as follows (in millions, except per share amounts):

 

   2011 2010 2009
Basic earnings per common share:        
Net earnings allocable to common shares(1)$ 1,449 $ 1,182 $ 97
Weighted-average common shares  315   312   311
Basic earnings per common share$ 4.61 $ 3.78 $ 0.31
           
Diluted earnings per common share:        
Net earnings allocable to common shares(1)$ 1,449 $ 1,182 $ 97
Weighted-average common shares  315   312   311
Dilutive effect of share-based awards  2   2   1
Weighted-average diluted shares  317   314   312
Diluted earnings per common share$ 4.57 $ 3.76 $ 0.31
           
Anti-dilutive options excluded from diluted         
 earnings per common share  9.3   11.5   12.6
           
(1) Net earnings available to participating securities were immaterial in all periods presented.