Fair Value Measurements (Narrative) (Details) (USD $) In Millions, unless otherwise specified	May 03, 2014	Feb. 01, 2014	May 04, 2013	Jan. 28, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, at Carrying Value	$ 717	$ 971	$ 518	$ 537
Long-term investments, par value	82	82	82
Long-term Debt, Excluding Current Maturities	2,792	2,792	2,492
Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long Term Investments Fair Value	$ 3,082	$ 2,988	$ 2,802