Nature Of Operations And Summary Of Significant Accounting Policies (Vendor Allowances) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 28, 2012	Jan. 29, 2011	Jan. 30, 2010
Nature Of Retail Operations [Line Items]
Vendor allowances	$ 316	$ 283	$ 262
Cosmetic Selling Expenses [Member]
Nature Of Retail Operations [Line Items]
Vendor allowances	128	118	106
Purchase Price Adjustments [Member]
Nature Of Retail Operations [Line Items]
Vendor allowances	108	96	91
Cooperative Advertising And Promotion [Member]
Nature Of Retail Operations [Line Items]
Vendor allowances	78	67	63
Other [Member]
Nature Of Retail Operations [Line Items]
Vendor allowances	$ 2	$ 2	$ 2