INCOME TAXES (Details) - USD ($) $ in Billions	3 Months Ended	9 Months Ended
Feb. 28, 2022	Feb. 28, 2021	Feb. 28, 2022	Feb. 28, 2021	May 31, 2021
Income Tax Disclosure [Abstract]
Effective tax (benefit) expense rate	18.40%	(53.30%)	12.30%	(9.80%)
Total net tax benefit		$ 2.3		$ 2.3
Deferred Tax Assets, Net [Abstract]
Net deferred tax assets	$ 6.6		$ 6.6		$ 5.8

Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant