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Revenue (Schedule of Sales Disaggregated by Sales Channel) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 31, 2020
Nov. 02, 2019
Oct. 31, 2020
Nov. 02, 2019
Sales $ 2,106 $ 1,932 $ 5,359 $ 5,784
Store Sales Channel [Member]        
Sales 1,656 1,636 3,858 4,915
Direct to Customers Sales Channel [Member]        
Sales $ 450 $ 296 $ 1,501 $ 869