Note 7 - Shareholders' Equity (Details) (USD $)	6 Months Ended
	Aug. 31, 2013	Aug. 25, 2012	Mar. 02, 2013
Stockholders' Equity Note [Abstract]
Stock Repurchase Program, Authorized Amount	$ 7,450,000,000
Treasury Stock, Shares, Acquired (in Shares)	8,500,000
Payments for Repurchase of Common Stock	581,261,000	505,574,000
Treasury Stock, Shares (in Shares)	119,729,000		111,207,000
Treasury Stock, Value	5,614,601,000		5,033,340,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 1,800,000,000