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. 30, 2020 USD ($)
Goodwill
Balance as of May 31, 2020	$ 11,433.9
Currency translation	5.7
Balance as of August 30, 2020	11,439.6
Grocery & Snacks
Goodwill
Balance as of May 31, 2020	4,743.1
Currency translation	0.0
Balance as of August 30, 2020	4,743.1
Refrigerated & Frozen
Goodwill
Balance as of May 31, 2020	5,648.3
Currency translation	0.0
Balance as of August 30, 2020	5,648.3
International
Goodwill
Balance as of May 31, 2020	290.5
Currency translation	5.7
Balance as of August 30, 2020	296.2
Foodservice
Goodwill
Balance as of May 31, 2020	752.0
Currency translation	0.0
Balance as of August 30, 2020	$ 752.0

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

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