Summary of Significant Accounting Policies (Costs Included as Net Advertising Expenses) (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Component Of Operating Other Cost And Expense [Line Items]
Required advertising costs for leased property		$ 14	$ 14
Advertising Expense [Member]
Component Of Operating Other Cost And Expense [Line Items]
Advertising expenses	$ 91	111	108
Digital advertising expense	95	96	96
Cooperative advertising reimbursements	(20)	(25)	(20)
Net advertising expense	$ 166	$ 182	$ 184