Condensed Consolidated Statements of Earnings - USD ($) $ in Millions	3 Months Ended
	Aug. 24, 2025	Aug. 25, 2024
Income Statement [Abstract]
Net sales	$ 2,632.6	$ 2,794.9
Cost of goods sold	1,992.0	2,055.6
Gross profit	640.6	739.3
Selling, general and administrative expenses	335.6	335.4
Loss (gain) on divestitures	(42.4)	2.3
Operating profit	347.4	401.6
Pension and postretirement non-service income	6.1	3.1
Interest expense, net	93.8	105.8
Equity method investment earnings	29.4	29.1
Income before income taxes	289.1	328.0
Income tax expense (benefit)	124.6	(138.9)
Net income	164.5	466.9
Less: Net income attributable to noncontrolling interests		0.1
Net income attributable to Conagra Brands, Inc.	$ 164.5	$ 466.8
Earnings per share - basic
Net income attributable to Conagra Brands, Inc. common stockholders (in dollars per share)	$ 0.34	$ 0.97
Earnings per share - diluted
Net income attributable to Conagra Brands, Inc. common stockholders (in dollars per share)	$ 0.34	$ 0.97