Cash, Cash Equivalents and Investments (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
Mar. 03, 2012	Feb. 26, 2011
Schedule of Available-for-sale Securities [Line Items]
Other investments	$ 0
Cash Cash Equivalents And Investments (Textual) [Abstract]
Cost method investments	37.0	15.0
Equity method of investments	48	11
Investments with continuous losses	0	0
Additional impairment on investment	0
Auction Rate Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Impairment of investments	0	6
Lehman Brothers International (Europe) Trust Assets [Member]
Schedule of Available-for-sale Securities [Line Items]
Impairment of investments	0	11
Other investments	$ 25	$ 25

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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+ Details

- Definition

The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

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+ Details