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Goodwill and Intangible Assets (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended
	May 05, 2012	Apr. 30, 2011	May 05, 2012 Customer Relationships [Member]	Mar. 03, 2012 Customer Relationships [Member]	Apr. 30, 2011 Customer Relationships [Member]
Finite-Lived Intangible Assets
Gross Carrying Amount			$ 463	$ 453	$ 393
Accumulated Amortization			(239)	(224)	(199)
Amortization expense	$ 10	$ 15

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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