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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jan. 28, 2012
Day
Jan. 29, 2011
Jan. 30, 2010
Significant Accounting Policies [Line Items]      
Gift card breakage income $ 4 $ 2 $ 4
Contingently issuable shares excluded from diluted earnings per share 0.9    
Catalog Costs, amortization period 90    
Prepaid catalog cost 3 4  
Cash equivalents 830 675  
Short-term deposits 191 165  
Capitalized software, net of accumulated amortization 27 27  
Self-insured liabilities total 14 15  
Minimum
     
Significant Accounting Policies [Line Items]      
Estimated useful life of capitalized software 2 years    
Maximum
     
Significant Accounting Policies [Line Items]      
Estimated useful life of capitalized software 7 years    
Building
     
Significant Accounting Policies [Line Items]      
Maximum Estimated useful lives of the assets 50    
Furniture, Fixtures and Equipment
     
Significant Accounting Policies [Line Items]      
Maximum Estimated useful lives of the assets 10    
Minimum Estimated useful lives of the assets 3    
Fair Value, Measurements, Recurring | Auction rate security
     
Significant Accounting Policies [Line Items]      
Assets measured at fair value on a recurring basis $ 5 $ 5  
Stock Option Plans
     
Significant Accounting Policies [Line Items]      
Potential common shares excluded from calculation of diluted earning per share 3.8 4.5 6.3