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Derivative Instruments (Foreign Exchange Contracts - Cash Flow Hedging Disclosure) (Details)
$ in Millions, $ in Millions
3 Months Ended 9 Months Ended
Nov. 03, 2018
USD ($)
Oct. 28, 2017
USD ($)
Nov. 03, 2018
USD ($)
Oct. 28, 2017
USD ($)
Feb. 03, 2018
CAD ($)
Feb. 03, 2018
USD ($)
Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax $ 1 $ 11 $ 11 $ (8)    
Foreign Currency Cash Flow Hedge Asset at Fair Value 3 15 3 15    
Cost of Goods Sold, Buying and Occupancy [Member]            
Foreign Currency Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net 0 0 3 (3)    
Other Income (Loss) [Member]            
Foreign Currency Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net 0 (4) 0 3    
Cash Flow Hedging [Member]            
Derivative, Notional Amount 198 379 $ 198 379   $ 217
Cash Flow Hedging [Member] | Currency Swap [Member]            
Derivative, Notional Amount         $ 170  
Cash Flow Hedging [Member] | Foreign Exchange Contract [Member]            
Derivative, Remaining Maturity     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 3   3      
Other Current Assets [Member]            
Foreign Currency Cash Flow Hedge Asset at Fair Value $ 3 $ 14 $ 3 $ 14   $ 0