Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - $ / shares shares in Millions	3 Months Ended		6 Months Ended
	Nov. 24, 2019	Nov. 25, 2018	Nov. 24, 2019	Nov. 25, 2018
Statement of Stockholders' Equity [Abstract]
Dividends declared (in dollars per share)	$ 0.88	$ 0.75	$ 1.76	$ 1.50
Stock option exercised (in shares)	0.0	0.2	0.2	0.9
Repurchases of common stock, (in shares)	1.2	0.6	2.0	0.9
Issuance of stock under Employee Stock Purchase Plan and other plans (in shares)	0.1	0.0	0.1	0.1