Fair Value Measurements (Narrative) (Details) (USD $) In Millions, unless otherwise specified								6 Months Ended
	Aug. 03, 2013	Feb. 02, 2013	Jul. 28, 2012	Jan. 28, 2012	Aug. 03, 2013 Fair Value, Inputs, Level 1	Feb. 02, 2013 Fair Value, Inputs, Level 1	Jul. 28, 2012 Fair Value, Inputs, Level 1	Aug. 03, 2013 Fair Value, Inputs, Level 3	Aug. 03, 2013 Fair Value, Inputs, Level 3 Minimum	Aug. 03, 2013 Fair Value, Inputs, Level 3 Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, at Carrying Value	$ 592	$ 537	$ 600	$ 1,205
Long-term investments, par value	83	84	142
Long Term Investments Fair Value	58	53	102
Long-term Debt, Excluding Current Maturities	2,492	2,492	2,141
Long term debt, fair value					$ 2,663	$ 2,702	$ 2,511
Fair value inputs redemption period								7 years
Investment maturity date range start								2037
Investment maturity date range end								2039
Discount rate									6.57%	9.47%
Weighted Average Discount Rate, Percent								7.64%