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Income Taxes (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 31, 2021
Feb. 02, 2020
Feb. 03, 2019
Income Tax Disclosure [Abstract]      
Federal statutory rate 21.00%    
Net operating losses $ 144 $ 70  
Undistributed earnings of foreign subsidiaries 3,000    
Unrecognized tax benefits that would impact effective tax rate $ 458 $ 407 $ 398