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Property and Leases (Schedule of Assets and Liabilities Related to Operating and Finance Leases) (Details) - USD ($)
$ in Millions
12 Months Ended
Feb. 02, 2020
Feb. 04, 2019
Feb. 03, 2019
Assets:      
Operating lease assets $ 5,595 $ 5,700 $ 0
Finance leases 934    
Total lease assets 6,529    
Current:      
Operating lease liabilities 828   0
Finance lease liabilities 84    
Long-term:      
Operating lease liabilities 5,066   $ 0
Finance lease liabilities 1,081    
Total lease liabilities 7,059    
Finance lease asset accumulated amortization $ 644