Income Taxes (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Mar. 03, 2012	Feb. 26, 2011	Feb. 27, 2010
Earnings from continuing operations before income tax expense and equity in (loss) income of affiliates
United States	$ 1,537	$ 1,739	$ 1,944
Outside the United States	(494)	592	385
Earnings from continuing operations before income tax expense and equity in (loss) income of affiliates	1,043	2,331	2,329
Current:
Federal	447	735	686
State	61	73	116
Foreign	173	105	63
Current income tax expense	681	913	865
Deferred:
Federal	94	(113)	(13)
State	1	(2)	(11)
Foreign	(67)	(19)	(6)
Deferred income tax expense	28	(134)	(30)
Income tax expense	$ 709	$ 779	$ 835