Leases - Summary of Supplemental Balance Sheet Information (Details)	Jul. 31, 2021	Jan. 30, 2021	Aug. 01, 2020
Weighted-average remaining lease term (in years):
Operating leases	5 years	5 years	5 years
Finance leases	3 years	4 years	4 years
Weighted-average discount rate:
Operating leases	3.40%	3.50%	3.80%
Finance leases	5.30%	5.50%	7.40%