CONSOLIDATED STATEMENTS OF EARNINGS (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Aug. 26, 2018	Aug. 27, 2017
CONSOLIDATED STATEMENTS OF EARNINGS [ABSTRACT]
Net sales	$ 4,094.0	$ 3,769.2
Cost of sales	2,751.2	2,455.9
Selling, general, and administrative expenses	742.7	702.8
Restructuring, impairment, and other exit costs (recoveries)	(1.4)	5.2
Operating profit	601.5	605.3
Benefit plan non-service income	(20.9)	(20.5)
Interest, net	133.5	72.4
Earnings before income taxes and after-tax earnings from joint ventures	488.9	553.4
Income taxes	110.7	168.5
After-tax earnings from joint ventures	17.7	23.7
Net earnings, including earnings attributable to redeemable and noncontrolling interests	395.9	408.6
Net earnings attributable to redeemable and noncontrolling interests	3.6	3.9
Net earnings attributable to General Mills	$ 392.3	$ 404.7
Earnings per share - basic	$ 0.66	$ 0.7
Earnings per share - diluted	0.65	0.69
Dividends per share	$ 0.49	$ 0.49