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Leases (Details 1) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
May 04, 2019
Feb. 02, 2019
Leases [Abstract]    
Deferred rent   $ 61
Operating lease cost $ 16 $ 28
Variable lease cost 5  
Total lease cost $ 21  
Weighted average remaining lease term 7 years  
Weighted average discount rate 5.00%  
Cash paid for lease liabilities $ 17