Derivative Instruments (Details) In Millions, unless otherwise specified	3 Months Ended							3 Months Ended
	May 04, 2013 USD ($)	May 04, 2013 GBP (£)	Feb. 02, 2013 USD ($)	May 05, 2012 USD ($)	May 04, 2013 Segment, Continuing Operations [Member] USD ($)	May 04, 2013 Segment, Discontinued Operations [Member] USD ($)	May 04, 2013 Segment, Discontinued Operations [Member] GBP (£)	May 04, 2013 Operating Expense [Member] Segment, Continuing Operations [Member] USD ($)	May 04, 2013 Operating Expense [Member] Segment, Discontinued Operations [Member] USD ($)
Derivatives, Fair Value [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Contract Term 1	6 months	6 months
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments								$ 1	$ (4)
Proceeds from Divestiture of Businesses	733	471
Derivatives not designated as hedging instruments	$ 759		$ 173	$ 240	$ 51	$ 708	£ 455