Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - $ / shares shares in Millions	3 Months Ended		6 Months Ended
	Nov. 25, 2018	Nov. 26, 2017	Nov. 25, 2018	Nov. 26, 2017
Statement of Stockholders' Equity [Abstract]
Dividends declared (in dollars per share)	$ 0.75	$ 0.63	$ 1.50	$ 1.26
Stock option exercised (in shares)	0.2	0.1	0.9	0.4
Repurchases of common stock, (in shares)	0.6	1.1	0.9	2.3
Issuance of treasury stock under Employee Stock Purchase Plan and other plans (in shares)	0.0	0.0	0.1	0.0