Basis of Presentation and Summary of Accounting Policies - Leases (Additional Information) (Details) $ in Billions	12 Months Ended
	Feb. 02, 2019 Location	Feb. 03, 2019 USD ($)
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of lease locations | Location	4,300
Subsequent Event | Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease, right-of-use asset		$ 9.0
Operating lease, liability		$ 9.0