Consolidated Statements of Earnings - USD ($) $ in Millions	12 Months Ended
	May 26, 2024	May 28, 2023	May 29, 2022
Consolidated Statements of Earnings [Abstract]
Net sales	$ 19,857.2	$ 20,094.2	$ 18,992.8
Cost of sales	12,925.1	13,548.4	12,590.6
Selling, general, and administrative expenses	3,259.0	3,500.4	3,147.0
Divestitures gain, net	0.0	(444.6)	(194.1)
Restructuring, impairment, and other exit costs (recoveries)	241.4	56.2	(26.5)
Operating profit	3,431.7	3,433.8	3,475.8
Benefit plan non-service income	(75.8)	(88.8)	(113.4)
Interest, net	479.2	382.1	379.6
Earnings before income taxes and after-tax earnings from joint ventures	3,028.3	3,140.5	3,209.6
Income taxes	594.5	612.2	586.3
After-tax earnings from joint ventures	84.8	81.3	111.7
Net earnings, including earnings attributable to redeemable and noncontrolling interests	2,518.6	2,609.6	2,735.0
Net earnings attributable to redeemable and noncontrolling interests	22.0	15.7	27.7
Net earnings attributable to General Mills	$ 2,496.6	$ 2,593.9	$ 2,707.3
Earnings per share - basic	$ 4.34	$ 4.36	$ 4.46
Earnings per share - diluted	4.31	4.31	4.42
Dividends per share	$ 2.36	$ 2.16	$ 2.04