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Fair Value Measurements (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 02, 2013
Jan. 28, 2012
Jan. 29, 2011
Maximum
     
Fair Value Measurements      
Impairment charges for long-lived assets $ 1 $ 1 $ 1
ScrapHD
     
Fair Value Measurements      
Impairment charges for long-lived assets 7    
Goodwill impairment charge 1    
Contingent consideration
     
Fair Value Measurements      
Fair value $ 0