Summary of Significant Accounting Policies - Summary of Useful Lives of Major Classes of Fixed Assets (Detail)	12 Months Ended
	Feb. 03, 2018
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Leasehold improvements	Lesser of 10 years or the term of the lease
Minimum [Member] | Fixtures [Member]
Property, Plant and Equipment [Line Items]
Useful life	3 years
Minimum [Member] | Buildings Land and Building and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Useful life	15 years
Minimum [Member] | Computer Equipment, Software Store Equipment & Other [Member]
Property, Plant and Equipment [Line Items]
Useful life	3 years
Maximum [Member] | Fixtures [Member]
Property, Plant and Equipment [Line Items]
Useful life	7 years
Maximum [Member] | Buildings Land and Building and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Useful life	39 years
Maximum [Member] | Computer Equipment, Software Store Equipment & Other [Member]
Property, Plant and Equipment [Line Items]
Useful life	5 years