Fair Value Measurements (Narrative) (Details) (USD $) In Millions, unless otherwise specified								9 Months Ended
	Nov. 02, 2013	Feb. 02, 2013	Oct. 27, 2012	Jan. 28, 2012	Nov. 02, 2013 Fair Value, Inputs, Level 1	Feb. 02, 2013 Fair Value, Inputs, Level 1	Oct. 27, 2012 Fair Value, Inputs, Level 1	Nov. 02, 2013 Fair Value, Inputs, Level 3	Nov. 02, 2013 Fair Value, Inputs, Level 3 Minimum	Nov. 02, 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	$ 598	$ 537	$ 550	$ 1,205
Long-term investments, par value	82	84	124
Long Term Investments Fair Value	57	53	90
Long-term Debt, Excluding Current Maturities	2,792	2,492	2,492
Long term debt, fair value					$ 2,960	$ 2,702	$ 2,894
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%