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Derivative Financial Instruments Derivative Instruments (Foreign Exchange Contracts - Cash Flow Hedging Disclosure) (Details)
$ in Millions, $ in Millions
12 Months Ended
Feb. 03, 2018
USD ($)
Jan. 28, 2017
USD ($)
Feb. 03, 2018
CAD ($)
Derivative Instruments, Gain (Loss) [Line Items]      
Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax $ (21) $ (8)  
Cost of Goods Sold, Buying and Occupancy [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Foreign Currency Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net (1) (1)  
Other Income [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Foreign Currency Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net 8 8  
Cash Flow Hedging [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative, Notional Amount $ 217 $ 360  
Cash Flow Hedging [Member] | Foreign Exchange Contract [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Maximum Remaining Maturity of Foreign Currency Derivatives 18 months    
Gain (Loss) on Foreign Currency Cash Flow Hedge Ineffectiveness $ 0    
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months 8    
Cash Flow Hedging [Member] | Currency Swap [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative, Notional Amount     $ 170
Gain (Loss) on Foreign Currency Cash Flow Hedge Ineffectiveness $ 0