Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 22, 2026	Feb. 23, 2025	Feb. 22, 2026	Feb. 23, 2025
Statement of Comprehensive Income [Abstract]
Net earnings, including earnings attributable to noncontrolling interests	$ 305.5	$ 631.0	$ 1,923.8	$ 2,016.9
Other comprehensive income (loss), net of tax:
Foreign currency translation	12.3	6.2	(40.0)	(26.9)
Net actuarial gain (loss)	3.8	0.0	(3.7)	0.0
Other fair value changes:
Hedge derivatives	(1.5)	1.1	6.6	4.3
Reclassification to earnings:
Foreign currency translation	0.0	33.9	0.0	33.9
Hedge derivatives	2.3	(3.0)	(1.6)	(1.3)
Amortization of losses and prior service costs	11.4	11.2	39.8	34.5
Other comprehensive income, net of tax	28.3	49.4	1.1	44.5
Total comprehensive income	333.8	680.4	1,924.9	2,061.4
Comprehensive income attributable to noncontrolling interests	2.7	5.4	3.8	14.9
Comprehensive income attributable to General Mills	$ 331.1	$ 675.0	$ 1,921.1	$ 2,046.5