Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail) $ in Thousands			6 Months Ended
	Nov. 06, 2018	Oct. 30, 2018	Aug. 03, 2019 USD ($)	Feb. 03, 2019 USD ($)
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Stock split ratio, common stock	2	2
Lease liabilities			$ 9,096,587
Operating lease right of use assets			$ 8,944,302	$ 8,704,584
Accounting Standards Update 2016-02
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Lease liabilities				9,000,000
Operating lease right of use assets				$ 8,704,584
Minimum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Operating lease term of possession previous to opening store			30 days
Maximum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Operating lease term of possession previous to opening store			60 days