Derivative Instruments (Foreign Exchange Contracts - Balance Sheet Hedging Disclosure) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 28, 2012		Jan. 29, 2011
Other long-term liabilities	$ 60		$ 57
Other Comprehensive Income (Loss) [Member]
Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax	(3)		(23)
Other Income [Member]
Foreign Currency Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	$ 0	[1]	$ (31)	[1]

[1] Represents reclassification of amounts from accumulated other comprehensive income (loss) to earnings to completely offset foreign currency transaction gains and losses recognized on the intercompany loans. No ineffectiveness was associated with these foreign exchange cash flow hedges.