Consolidated Statements Of Changes In Stockholders' Equity (Parenthetical) - $ / shares shares in Millions	12 Months Ended
	May 27, 2018	May 28, 2017	May 29, 2016
Statement of Stockholders' Equity [Abstract]
Cash dividends declared, per share (in dollars per share)	$ 2.52	$ 2.24	$ 2.1
Stock option exercises, shares	0.8	2.7	2.4
Repurchases of common stock, shares	2.8	3.7	3.0
Issuance of stock under Employee Stock Purchase Plan and other plans, shares	0.1	0.2	0.2