Derivative Instruments (Foreign Exchange Contracts - Cash Flow Hedging Disclosure) (Details) (USD $)	3 Months Ended				9 Months Ended
	Oct. 27, 2012		Oct. 29, 2011		Oct. 27, 2012		Oct. 29, 2011
Gain (Loss) on Foreign Currency Cash Flow Hedge Ineffectiveness					$ 0
Other Comprehensive Income (Loss) [Member]
Interest Rate Cash Flow Hedge Asset at Fair Value	(6,000,000)		17,000,000		1,000,000		(9,000,000)
Gain (Loss) Recognized in Other Comprehensive Income (Loss)	(6,000,000)		17,000,000		1,000,000		(9,000,000)
Other Income (Loss) [Member]
(Gain) Loss Reclassified from Accumulated Other Comprehensive Income (Loss) into Other Income (Loss)	$ 4,000,000	[1]	$ (17,000,000)	[1]	$ 5,000,000	[1]	$ (6,000,000)

[1] Represents reclassification of amounts from accumulated other comprehensive income 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.