Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements and Concentrations of Credit Risk (Estimated Fair Value Of Company Long Term Debt) (Details)

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Fair Value Measurements and Concentrations of Credit Risk (Estimated Fair Value Of Company Long Term Debt) (Details) (USD $)
In Millions, unless otherwise specified
Feb. 02, 2013
Jan. 28, 2012
Notional Amount
   
Long-term debt $ 6,583 $ 6,404
Carrying Amount
   
Long-term debt 6,774 6,620
Fair Value
   
Long-term debt $ 7,351 $ 7,343