Consolidated Statements Of Changes In Stockholders' Equity (Parenthetical) - $ / shares shares in Millions	12 Months Ended
	May 26, 2019	May 27, 2018	May 28, 2017
Statement of Stockholders' Equity [Abstract]
Cash dividends declared, per share (in dollars per share)	$ 3.00	$ 2.52	$ 2.24
Stock option exercises, shares	1.2	0.8	2.7
Repurchases of common stock, shares	1.9	2.8	3.7
Issuance of stock under Employee Stock Purchase Plan and other plans, shares	0.1	0.1	0.2