Summary of Significant Accounting Policies (Costs Included as Component of Selling, General and Administrative Expenses) (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 30, 2021	Feb. 01, 2020	Feb. 02, 2019
Summary of Significant Accounting Policies [Abstract]
Catalog costs	$ 7	$ 15	$ 18