GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS - Schedule of Change in Carrying Amount of Goodwill (Details) $ in Millions	6 Months Ended
	Nov. 28, 2021 USD ($)
Goodwill
Balance as of May 30, 2021	$ 11,338.9
Currency translation	(6.9)
Balance as of November 28, 2021	11,332.0
Grocery & Snacks
Goodwill
Balance as of May 30, 2021	4,692.4
Currency translation	0.0
Balance as of November 28, 2021	4,692.4
Refrigerated & Frozen
Goodwill
Balance as of May 30, 2021	5,611.2
Currency translation	0.0
Balance as of November 28, 2021	5,611.2
International
Goodwill
Balance as of May 30, 2021	302.5
Currency translation	(6.9)
Balance as of November 28, 2021	295.6
Foodservice
Goodwill
Balance as of May 30, 2021	732.8
Currency translation	0.0
Balance as of November 28, 2021	$ 732.8