GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS - Schedule of Change in Carrying Amount of Goodwill, Excluding Amounts Classified as Held for Sale (Details) $ in Millions	6 Months Ended
Nov. 24, 2019 USD ($)
Goodwill
Balance as of May 26, 2019	$ 11,435.4
Purchase accounting adjustments	10.1
Currency translation	(2.6)
Balance as of November 24, 2019	11,442.9
Grocery & Snacks
Goodwill
Balance as of May 26, 2019	4,741.3
Purchase accounting adjustments	3.5
Currency translation	0.0
Balance as of November 24, 2019	4,744.8
Refrigerated & Frozen
Goodwill
Balance as of May 26, 2019	5,642.4
Purchase accounting adjustments	5.9
Currency translation	0.0
Balance as of November 24, 2019	5,648.3
International
Goodwill
Balance as of May 26, 2019	299.0
Purchase accounting adjustments	0.7
Currency translation	(2.6)
Balance as of November 24, 2019	297.1
Foodservice
Goodwill
Balance as of May 26, 2019	752.7
Purchase accounting adjustments	0.0
Currency translation	0.0
Balance as of November 24, 2019	$ 752.7

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
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-Name Accounting Standards Codification
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-Section 45
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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
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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising 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 805
-SubTopic 10
-Section 25
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e961-128460

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

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