Condensed Consolidated Statements of Earnings - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 23, 2025	Feb. 25, 2024	Feb. 23, 2025	Feb. 25, 2024
Income Statement [Abstract]
Net sales	$ 2,841.0	$ 3,032.9	$ 8,831.0	$ 9,145.0
Cost of goods sold	2,130.7	2,174.1	6,534.7	6,616.5
Selling, general and administrative expenses	443.7	387.4	1,204.3	1,085.4
Other intangible asset impairment charges			18.9
Loss on divestitures	27.2		29.5	34.2
Pension and postretirement non-service income (expense)	(3.1)	1.4	(9.3)	2.1
Interest expense, net	100.9	106.5	314.9	325.8
Equity method investment earnings	(47.4)	(41.2)	(125.0)	(131.0)
Income before income taxes	189.0	404.7	863.0	1,212.0
Income tax expense (benefit)	43.9	95.9	(33.5)	297.1
Net income	145.1	308.8	896.5	914.9
Less: Net income attributable to noncontrolling interests		0.2	0.1	0.4
Net income attributable to Conagra Brands, Inc.	$ 145.1	$ 308.6	$ 896.4	$ 914.5
Earnings per share - basic
Net income attributable to Conagra Brands, Inc. common stockholders, basic (in dollars per share)	$ 0.30	$ 0.64	$ 1.87	$ 1.91
Earnings per share - diluted
Net income attributable to Conagra Brands, Inc. common stockholders, diluted (in dollars per share)	$ 0.30	$ 0.64	$ 1.87	$ 1.91