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Condensed Consolidating Financial Information (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Aug. 27, 2011	Feb. 26, 2011	Aug. 28, 2010
Long-term Debt	$ 2,140	$ 1,152	$ 1,120
Percentage of voting interest of subsidiary (as a percent)	100.00%
Convertible Debt [Member]
Long-term Debt	$ 402	$ 402	$ 402

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date. May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.

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