Consolidated Statements of Earnings - USD ($) $ in Millions	12 Months Ended
	May 25, 2025	May 26, 2024	May 28, 2023
Consolidated Statements of Earnings [Abstract]
Net sales	$ 19,486.6	$ 19,857.2	$ 20,094.2
Cost of sales	12,753.6	12,925.1	13,548.4
Selling, general, and administrative expenses	3,445.8	3,259.0	3,500.4
Divestitures gain, net	(95.9)	0.0	(444.6)
Restructuring, transformation, impairment, and other exit costs	78.3	241.4	56.2
Operating profit	3,304.8	3,431.7	3,433.8
Benefit plan non-service income	(54.4)	(75.8)	(88.8)
Interest, net	524.2	479.2	382.1
Earnings before income taxes and after-tax earnings from joint ventures	2,835.0	3,028.3	3,140.5
Income taxes	573.7	594.5	612.2
After-tax earnings from joint ventures	57.6	84.8	81.3
Net earnings, including earnings attributable to noncontrolling interests	2,318.9	2,518.6	2,609.6
Net earnings attributable to noncontrolling interests	23.7	22.0	15.7
Net earnings attributable to General Mills	$ 2,295.2	$ 2,496.6	$ 2,593.9
Earnings per share - basic	$ 4.12	$ 4.34	$ 4.36
Earnings per share - diluted	4.10	4.31	4.31
Dividends per share	$ 2.40	$ 2.36	$ 2.16