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Derivative Instruments and Hedging Activites (Details Textual) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Aug. 02, 2013
Aug. 03, 2012
Aug. 02, 2013
Aug. 03, 2012
Feb. 01, 2013
Derivative Textuals          
Gain (loss) on foreign currency forward contracts $ 22 $ (16) $ (6) $ (4)  
Designated as cash flow hedging instruments, Interest Rate Contracts 787   787   1,320
Cash Flow Hedging
         
Derivative Textuals          
Maximum Remaining Maturity of Foreign Currency Derivatives     12 months    
Not Designated as Hedging Instrument
         
Derivative Textuals          
Maximum Remaining Maturity of Foreign Currency Derivatives     3 months    
Minimum
         
Derivative Textuals          
Length of Time Hedged in Interest Rate Cash Flow Hedge     30 months    
Maximum
         
Derivative Textuals          
Length of Time Hedged in Interest Rate Cash Flow Hedge     42 months    
Forward-starting interest rate swaps
         
Derivative Textuals          
Designated as cash flow hedging instruments, Interest Rate Contracts   $ 600   $ 600