XML 19 R26.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Property and Equipment, Net (Tables)
3 Months Ended
Apr. 30, 2011
Property and Equipment, Net  
Summary of Property and Equipment, Net
     April 30,
2011
    January 29,
2011
    May 1,
2010
 
     (in millions)  

Property and Equipment, at Cost

   $ 4,225      $ 4,183      $ 4,054   

Accumulated Depreciation and Amortization

     (2,627     (2,573     (2,377
                        

Property and Equipment, Net

   $ 1,598      $ 1,610      $ 1,677