GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS - Schedule of Change in Carrying Amount of Goodwill, Excluding Amounts Classified as Held for Sale (Details) $ in Millions	3 Months Ended
	Aug. 25, 2019 USD ($)
Goodwill
Balance as of May 26, 2019	$ 11,460.1
Purchase accounting adjustments	5.0
Currency translation	(2.8)
Balance as of August 25, 2019	11,462.3
Grocery & Snacks
Goodwill
Balance as of May 26, 2019	4,746.7
Purchase accounting adjustments	1.2
Currency translation	0.0
Balance as of August 25, 2019	4,747.9
Refrigerated & Frozen
Goodwill
Balance as of May 26, 2019	5,661.7
Purchase accounting adjustments	3.8
Currency translation	0.0
Balance as of August 25, 2019	5,665.5
International
Goodwill
Balance as of May 26, 2019	299.0
Purchase accounting adjustments	0.0
Currency translation	(2.8)
Balance as of August 25, 2019	296.2
Foodservice
Goodwill
Balance as of May 26, 2019	752.7
Purchase accounting adjustments	0.0
Currency translation	0.0
Balance as of August 25, 2019	$ 752.7