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Basic And Diluted Weighted Average Common Shares (Tables)
 12 Months Ended
Jan. 29, 2012
Earnings Per Share [Abstract]  
Schedule of Weighted Average Number of Shares
The reconciliation of basic to diluted weighted average common shares for fiscal 2011, 2010 and 2009 was as follows (amounts in millions):
 
Fiscal Year Ended
 
January 29,
2012
 
January 30,
2011
 
January 31,
2010
Weighted average common shares
1,562

 
1,648

 
1,683

Effect of potentially dilutive securities:
 
 
 
 
 
Stock Plans
8

 
10

 
9

Diluted weighted average common shares
1,570

 
1,658

 
1,692