Fair Value Measurements (Details Textual) (USD $) In Millions	3 Months Ended
Apr. 29, 2011	Jan. 28, 2011
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Maturity Period Of Cash Equivalents	less than 90 days
Cost-method Investments, Aggregate Carrying Amount	$ 16	$ 15

- Definition

This element represents the aggregate carrying amount of all cost-method investments held by the Company. Generally, such investments do not have readily determinable fair values and are not required to be accounted for by the equity method. The carrying amount of such securities equates to cost, adjusted for other-than-temporary impairment. The cost method and lower-of-cost or market, an adaptation of the cost method, is generally followed for most investments in noncontrolled corporations, in some corporate joint ventures, and to a lesser extent in unconsolidated subsidiaries, particularly foreign.

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