GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS - Schedule of change in carrying amount of goodwill (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 23, 2025	Nov. 24, 2024	Nov. 23, 2025	May 25, 2025
GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS
Balance			$ 10,501.9
Currency translation			(1.2)
Impairment	$ (771.3)	$ 0.0	(771.3)
Balance	9,729.4		9,729.4
Grocery & Snacks
GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS
Balance			4,663.1
Balance	4,663.1		4,663.1
Refrigerated & Frozen
GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS
Balance			4,916.6
Impairment	(771.3)		(771.3)
Balance	4,145.3		4,145.3
Accumulated impairment losses to goodwill	1,440.0		1,440.0	$ 668.2
International
GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS
Balance			202.1
Currency translation			(1.2)
Balance	200.9		200.9
Food service
GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS
Balance			720.1
Balance	$ 720.1		$ 720.1