Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements and Concentrations of Credit Risk (Narrative) (Details)

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Fair Value Measurements and Concentrations of Credit Risk (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 02, 2013
Jan. 28, 2012
Jan. 29, 2011
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Carrying value of long-lived assets held and used $ 5 $ 27  
Long-lived assets held and used 1 5  
Impairments of properties held and used $ 4 $ 22 $ 18