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Commitments And Contingencies (Details) - USD ($)
$ in Millions
9 Months Ended
Oct. 31, 2020
Nov. 02, 2019
La Senza Charges $ 0 $ 37
LaSenza [Member]    
Loss Contingency Accrual 35  
LaSenza [Member] | Lease Agreements [Member]    
Loss Contingency, Maximum Exposure, Undiscounted $ 34