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Other Intangible Assets, Net - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jan. 28, 2012
Jan. 29, 2011
Jan. 30, 2010
Expected Amortization Expense [Line Items]      
Addition in intangible asset $ 7    
Retirement of intangible assets 3    
Amortization expense $ 16 $ 17 $ 19