v2.3.0.11
Derivative Financial Instruments (Details) (USD $)
In Millions
3 Months Ended 6 Months Ended 1 Months Ended 3 Months Ended 6 Months Ended
Apr. 30, 2011
May 01, 2010
Jul. 30, 2011
Jul. 31, 2010
Jan. 29, 2011
Jul. 31, 2011
Interest rate swaps
Jul. 30, 2011
Interest rate swaps
Jul. 31, 2010
Interest rate swaps
Jul. 30, 2011
Interest rate swaps
Jul. 31, 2010
Interest rate swaps
Derivative Financial Instruments                    
Net gains amortized into net interest expense for terminated and de-designated swaps $ 10 $ 11 $ 20 $ 22            
Unamortized hedged debt valuation gains from terminated and de-designated interest rate swaps     132 175 152          
Derivative Contracts - Effect on Results of Operations                    
Gain of derivative instrument not designated as hedging instrument             11 13 22 28
Fixed rate debt issuance           350        
Notional amount of interest rate swap           $ 350