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Land, Property And Equipment (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Feb. 03, 2018
Jan. 28, 2017
Jan. 30, 2016
Land, Property and Equipment [Line Items]      
Depreciation and amortization expense $ 655 $ 631 $ 560
Property and equipment [Member]      
Land, Property and Equipment [Line Items]      
Capital lease obligations 26 26  
Accumulated amortization on capital lease obligations $ 25 $ 25