Consolidated Statements of Stockholders' Equity (USD $) In Millions	Total	Common Stock	Capital in Excess of Par Value	Treasury Stock	Accumulated Other Comprehensive Loss	Retained Earnings (Deficit)	Comprehensive Income (Loss)
Beginning Balance at Feb. 28, 2009	$ 2,581	$ 230	$ 2,853	$ (541)	$ (503)	$ 542
Net earnings (loss)	393					393	393
Pension and other postretirement activity (net of tax of $13, $28, $129 for 2010, 2011 and 2012 respectively)	25				25		25
Sales of common stock under option plans	(11)		(12)	1
Cash dividends declared on common stock $0.6100, $0.3500, $0.3500 per share	(129)					(129)
Compensation under employee incentive plans	28		16	12
Ending Balance at Feb. 27, 2010	2,887	230	2,857	(528)	(478)	806	418
Net earnings (loss)	(1,510)					(1,510)	(1,510)
Pension and other postretirement activity (net of tax of $13, $28, $129 for 2010, 2011 and 2012 respectively)	32				32		32
Sales of common stock under option plans	(3)		(7)	4
Cash dividends declared on common stock $0.6100, $0.3500, $0.3500 per share	(74)					(74)
Compensation under employee incentive plans	11		5	6
Purchase of shares for treasury	(3)			(3)
Ending Balance at Feb. 26, 2011	1,340	230	2,855	(521)	(446)	(778)	(1,478)
Net earnings (loss)	(1,040)					(1,040)	(1,040)
Pension and other postretirement activity (net of tax of $13, $28, $129 for 2010, 2011 and 2012 respectively)	(211)				(211)		(211)
Sales of common stock under option plans	(8)		(8)	0
Cash dividends declared on common stock $0.6100, $0.3500, $0.3500 per share	(74)					(74)
Compensation under employee incentive plans	14		8	6
Ending Balance at Feb. 25, 2012	$ 21	$ 230	$ 2,855	$ (515)	$ (657)	$ (1,892)	$ (1,251)