Revenue (Schedule of Sales Disaggregated by Sales Channel) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jul. 31, 2021	Aug. 01, 2020	Jul. 31, 2021	Aug. 01, 2020
Sales	$ 2,275	$ 2,077	$ 4,428	$ 3,253
Store Sales Channel [Member]
Sales	1,817	1,388	3,437	2,202
Direct to Customers Sales Channel [Member]
Sales	$ 458	$ 689	$ 991	$ 1,051

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details