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Related Parties (Due To/From Related Parties, Net) (Details) - USD ($)
$ in Millions
9 Months Ended
Oct. 30, 2020
Jan. 31, 2020
Related Party Transaction [Line Items]    
Due from related parties, net cash settlement period 60 days  
Dell    
Related Party Transaction [Line Items]    
Due from related parties, current $ 771 $ 1,618
Due to related parties, current 99 161
Due from related parties, net, current $ 672 $ 1,457