Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Estimated Fair Value Of Company Long Term Debt) (Details)

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Fair Value Measurements (Estimated Fair Value Of Company Long Term Debt) (Details) (USD $)
In Millions, unless otherwise specified
Aug. 02, 2014
Aug. 03, 2013
Long-term debt $ 7,375 $ 6,650
Notional Amount
   
Long-term debt 6,544 6,125
Carrying Amount
   
Long-term debt $ 6,713 $ 6,308