Nature Of Operations And Summary Of Significant Accounting Policies (Vendor Allowances Earned) (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Nature Of Retail Operations [Line Items]
Vendor allowances	$ 455	$ 413	$ 389
Cosmetic expenses [Member]
Nature Of Retail Operations [Line Items]
Vendor allowances	161	140	137
Purchase price adjustments [Member]
Nature Of Retail Operations [Line Items]
Vendor allowances	178	164	143
Cooperative advertising [Member]
Nature Of Retail Operations [Line Items]
Vendor allowances	109	102	103
Other [Member]
Nature Of Retail Operations [Line Items]
Vendor allowances	$ 7	$ 7	$ 6