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Income Taxes (Accrued Interest and Penalties) (Details) - USD ($)
$ in Millions
12 Months Ended
Feb. 02, 2020
Feb. 03, 2019
Jan. 28, 2018
Income Tax Disclosure [Abstract]      
Unrecognized tax benefits, income tax penalties and interest expense $ 14 $ 33 $ 24
Total accrued interest and penalties $ 87 $ 101