Nature Of Operations And Summary Of Significant Accounting Policies (Vendor Allowances) (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Nature Of Retail Operations [Line Items]
Total vendor allowances	$ 457	$ 465	$ 455
Cosmetic expenses [Member]
Nature Of Retail Operations [Line Items]
Total vendor allowances	159	166	161
Purchase price adjustments [Member]
Nature Of Retail Operations [Line Items]
Total vendor allowances	184	179	178
Cooperative advertising [Member]
Nature Of Retail Operations [Line Items]
Total vendor allowances	107	114	109
Other [Member]
Nature Of Retail Operations [Line Items]
Total vendor allowances	$ 7	$ 6	$ 7