Consolidated Statements of Earnings - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 24, 2024	Nov. 26, 2023	Nov. 24, 2024	Nov. 26, 2023
Consolidated Statements of Earnings [Abstract]
Net sales	$ 5,240.1	$ 5,139.4	$ 10,088.2	$ 10,044.1
Cost of sales	3,309.0	3,373.5	6,468.3	6,507.7
Selling, general, and administrative expenses	852.0	830.5	1,707.1	1,669.8
Restructuring, impairment, and other exit costs	1.2	123.6	3.4	124.8
Operating profit	1,077.9	811.8	1,909.4	1,741.8
Benefit plan non-service income	(13.8)	(20.1)	(27.7)	(37.1)
Interest, net	124.6	117.8	248.2	234.8
Earnings before income taxes and after-tax earnings from joint ventures	967.1	714.1	1,688.9	1,544.1
Income taxes	194.8	136.0	352.2	309.2
After-tax earnings from joint ventures	30.0	24.2	49.2	47.7
Net earnings, including earnings attributable to noncontrolling interests	802.3	602.3	1,385.9	1,282.6
Net earnings attributable to noncontrolling interests	6.6	6.8	10.3	13.6
Net earnings attributable to General Mills	$ 795.7	$ 595.5	$ 1,375.6	$ 1,269.0
Earnings per share - basic	$ 1.43	$ 1.03	$ 2.46	$ 2.18
Earnings per share - diluted	$ 1.42	$ 1.02	$ 2.45	$ 2.16