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Fair Value Measurements (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jan. 28, 2012
Jan. 29, 2011
Jan. 30, 2010
Jan. 29, 2011
Fair Value, Inputs, Level 2 [Member]
Jan. 28, 2012
Fair Value, Inputs, Level 3 [Member]
HauteLook [Member]
Mar. 23, 2011
Fair Value, Inputs, Level 3 [Member]
HauteLook [Member]
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]            
Fair value of long-term debt including current maturities and excluding interest swap $ 4,152          
Carrying value of long-term debt 3,647          
Estimated fair value of our interest rate swap       25    
Goodwill at acquisition           146
Goodwill 175 53 53   121  
Goodwill impairment         $ 25