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Consolidated Statements of Stockholders' Equity (Parenthetical) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Feb. 25, 2012	Feb. 26, 2011	Feb. 27, 2010
Accumulated Other Comprehensive Loss
Tax effect on pension and other postretirement activity	$ 129	$ 28	$ 13
Retained Earnings (Deficit)
Cash dividends declared on common stock	$ 0.3500	$ 0.3500	$ 0.6100
Comprehensive Income (Loss)
Tax effect on pension and other postretirement activity	$ 129	$ 28	$ 13

Tax effects of the increase (decrease) to accumulated comprehensive income during the period related to benefit plans. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.

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