Condensed Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 23, 2025	Nov. 24, 2024	Nov. 23, 2025	Nov. 24, 2024
Income Statement [Abstract]
Net sales	$ 2,979.1	$ 3,195.1	$ 5,611.7	$ 5,990.0
Cost of goods sold	2,283.1	2,348.4	4,275.1	4,404.0
Gross profit	696.0	846.7	1,336.6	1,586.0
Selling, general and administrative expenses	325.1	425.2	660.7	760.6
Goodwill impairment charges	771.3	0.0	771.3
Other intangible asset impairment charges	197.0	18.9	197.0	18.9
Loss (gain) on divestitures	0.2		(42.2)	2.3
Operating profit (loss)	(597.6)	402.6	(250.2)	804.2
Pension and postretirement non-service income	6.1	3.1	12.2	6.2
Interest expense, net	96.0	108.2	189.8	214.0
Equity method investment earnings	32.2	48.5	61.6	77.6
Income (loss) before income taxes	(655.3)	346.0	(366.2)	674.0
Income tax expense (benefit)	8.3	61.5	132.9	(77.4)
Net income (loss)	(663.6)	284.5	(499.1)	751.4
Less: Net income attributable to noncontrolling interests				0.1
Net income (loss) attributable to Conagra Brands, Inc.	$ (663.6)	$ 284.5	$ (499.1)	$ 751.3
Earnings (loss) per share - basic
Net income (loss) attributable to Conagra Brands, Inc. common stockholders (in dollars per share)	$ (1.39)	$ 0.6	$ (1.04)	$ 1.57
Earnings (loss) per share - diluted
Net income (loss) attributable to Conagra Brands, Inc. common stockholders (in dollars per share)	$ (1.39)	$ 0.59	$ (1.04)	$ 1.57