Consolidated Statements of Earnings - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 22, 2026	Feb. 23, 2025	Feb. 22, 2026	Feb. 23, 2025
Income Statement [Abstract]
Net sales	$ 4,436.7	$ 4,842.2	$ 13,815.0	$ 14,930.4
Cost of sales	3,069.8	3,203.1	9,222.8	9,671.4
Selling, general, and administrative expenses	812.9	844.4	2,500.4	2,551.5
Divestitures loss (gain), net	5.0	(95.9)	(1,049.4)	(95.9)
Restructuring, transformation, impairment, and other exit costs (recoveries)	24.4	(0.8)	162.8	2.6
Operating profit	524.6	891.4	2,978.4	2,800.8
Benefit plan non-service income	(15.3)	(13.9)	(46.1)	(41.6)
Interest, net	128.4	136.3	387.1	384.5
Earnings before income taxes and after-tax (loss) earnings from joint ventures	411.5	769.0	2,637.4	2,457.9
Income taxes	99.9	152.4	654.7	504.6
After-tax (loss) earnings from joint ventures	(6.1)	14.4	(58.9)	63.6
Net earnings, including earnings attributable to noncontrolling interests	305.5	631.0	1,923.8	2,016.9
Net earnings attributable to noncontrolling interests	2.4	5.4	3.5	15.7
Net earnings attributable to General Mills	$ 303.1	$ 625.6	$ 1,920.3	$ 2,001.2
Earnings per share – basic (usd per share)	$ 0.57	$ 1.14	$ 3.57	$ 3.60
Earnings per share – diluted (usd per share)	$ 0.56	$ 1.12	$ 3.56	$ 3.57