XML 37 R16.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Net Income Per Share (Tables)
 3 Months Ended
Apr. 30, 2011
Net Income Per Share  
Earnings Per Share Computation
Three Months Ended       
     April 30,
2011		      May 1,
2010		     
     (In Millions)     

Numerator - Net income

    $       211       $       199      

Denominator - Weighted average shares:

         

Basic

      288         307      

Impact of dilutive employee stock options (a)

      2         2      
                    

Diluted

      290         309      
                    

 

  (a)

Excludes 9 million weighted-average shares for both the three months ended April 30, 2011 and May 1, 2010 as the impact of such shares was antidilutive.