GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS - Schedule of change in carrying amount of goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	May 26, 2024	May 28, 2023
GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS
Balance	$ 11,109.4	$ 11,255.2
Currency translation	(0.2)	(4.1)
Impairment	(526.5)	(141.7)
Balance	10,582.7	11,109.4
Grocery And Snacks [Member]
GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS
Balance	4,692.4	4,692.4
Balance	4,692.4	4,692.4
Refrigerated And Frozen [Member]
GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS
Balance	5,469.5	5,611.2
Impairment	(526.5)	(141.7)
Balance	4,943.0	5,469.5
International [Member]
GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS
Balance	214.7	218.8
Currency translation	(0.2)	(4.1)
Balance	214.5	214.7
Foodservice [Member]
GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS
Balance	732.8	732.8
Balance	$ 732.8	$ 732.8