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Long-Term Debt and Obligations Under Finance Leases (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 30, 2021
Feb. 01, 2020
Feb. 02, 2019
Long-Term Debt and Obligations Under Finance Leases [Abstract]      
Debt $ 98 $ 118  
8.5% debentures payable 2022 20    
Repayments of debt $ 22    
Interest rate of debentures (as a percent) 8.50%    
Interest expense related to long-term debt $ 8 $ 8 $ 8
Finance Lease, Liability, Current $ 2