CONSOLIDATED STATEMENTS OF EARNINGS (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Aug. 27, 2017	Aug. 28, 2016
CONSOLIDATED STATEMENTS OF EARNINGS [ABSTRACT]
Net sales	$ 3,769.2	$ 3,907.9
Cost of sales	2,459.1	2,491.0
Selling, general, and administrative expenses	679.1	712.2
Restructuring, impairment, and other exit costs	5.2	58.9
Operating profit	625.8	645.8
Interest, net	72.4	73.9
Earnings before income taxes and after-tax earnings from joint ventures	553.4	571.9
Income taxes	168.5	176.6
After-tax earnings from joint ventures	23.7	24.2
Net earnings, including earnings attributable to redeemable and noncontrolling interests	408.6	419.5
Net earnings attributable to redeemable and noncontrolling interests	3.9	10.5
Net earnings attributable to General Mills	$ 404.7	$ 409.0
Earnings per share - basic	$ 0.7	$ 0.68
Earnings per share - diluted	0.69	0.67
Dividends per share	$ 0.49	$ 0.48