BASIS OF PRESENTATION AND OTHER Narrative (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	May 31, 2023	May 31, 2022
Contract with Customer, Asset and Liability [Abstract]
Revenues recognized included in opening deferred revenues balances			$ 3,900	$ 3,500
Revenue, Performance Obligation [Abstract]
Remaining performance obligation, amount	$ 64,900
Sales of Financing Receivables [Abstract]
Sales of financing receivables	$ 561	$ 927
Accounting Standards Update 2020-04 [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Accounting Standards Update, Adopted	true
Immaterial effect	true