Consolidated Statements of Earnings - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 23, 2025	Feb. 25, 2024	Feb. 23, 2025	Feb. 25, 2024
Consolidated Statements of Earnings [Abstract]
Net sales	$ 4,842.2	$ 5,099.2	$ 14,930.4	$ 15,143.3
Cost of sales	3,203.1	3,391.8	9,671.4	9,899.5
Selling, general, and administrative expenses	844.4	790.9	2,551.5	2,460.7
Divestiture gain	(95.9)	0.0	(95.9)	0.0
Restructuring, impairment, and other exit costs (recoveries)	(0.8)	5.8	2.6	130.6
Operating profit	891.4	910.7	2,800.8	2,652.5
Benefit plan non-service income	(13.9)	(18.6)	(41.6)	(55.7)
Interest, net	136.3	121.7	384.5	356.5
Earnings before income taxes and after-tax earnings from joint ventures	769.0	807.6	2,457.9	2,351.7
Income taxes	152.4	149.3	504.6	458.5
After-tax earnings from joint ventures	14.4	18.0	63.6	65.7
Net earnings, including earnings attributable to noncontrolling interests	631.0	676.3	2,016.9	1,958.9
Net earnings attributable to noncontrolling interests	5.4	6.2	15.7	19.8
Net earnings attributable to General Mills	$ 625.6	$ 670.1	$ 2,001.2	$ 1,939.1
Earnings per share - basic	$ 1.14	$ 1.18	$ 3.60	$ 3.35
Earnings per share - diluted	$ 1.12	$ 1.17	$ 3.57	$ 3.33