Condensed 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
Income Statement [Abstract]
Net sales	$ 3,195.1	$ 3,208.1	$ 5,990.0	$ 6,112.1
Cost of goods sold	2,348.4	2,361.5	4,404.0	4,442.4
Selling, general and administrative expenses	444.1	398.1	781.8	732.2
Pension and postretirement non-service income (expense)	(3.1)	0.4	(6.2)	0.7
Interest expense, net	108.2	113.3	214.0	219.3
Equity method investment earnings	(48.5)	(54.3)	(77.6)	(89.8)
Income before income taxes	346.0	389.1	674.0	807.3
Income tax expense (benefit)	61.5	102.9	(77.4)	201.2
Net income	284.5	286.2	751.4	606.1
Less: Net income attributable to noncontrolling interests			0.1	0.2
Net income attributable to Conagra Brands, Inc.	$ 284.5	$ 286.2	$ 751.3	$ 605.9
Earnings per share - basic
Net income attributable to Conagra Brands, Inc. common stockholders, basic (in dollars per share)	$ 0.60	$ 0.60	$ 1.57	$ 1.27
Earnings per share - diluted
Net income attributable to Conagra Brands, Inc. common stockholders, diluted (in dollars per share)	$ 0.59	$ 0.60	$ 1.57	$ 1.26