Coronavirus (COVID-19) (Details) $ in Millions	3 Months Ended	9 Months Ended
	May 02, 2020 USD ($)	Oct. 31, 2020 merchandiseCategory
Unusual or Infrequent Item, or Both [Line Items]
Number of core merchandise categories (in merchandise categories)		5
Coronavirus (COVID-19)
Unusual or Infrequent Item, or Both [Line Items]
Number of merchandise categories with significant sales growth		4
Cost of Sales | Coronavirus (COVID-19)
Unusual or Infrequent Item, or Both [Line Items]
Purchase order cancellation fees | $	$ 216