v3.26.1
BASIS OF PRESENTATION, RECENT ACCOUNTING PRONOUNCEMENTS AND OTHER Narrative (Details) - USD ($)
 3 Months Ended
Aug. 31, 2026
Aug. 31, 2025
Accounting Standards Update and Change in Accounting Principle [Abstract]    
Accounting Standards Update [Extensible Enumeration] us-gaap:AccountingStandardsUpdate202506Member  
Change in Accounting Principle, Accounting Standards Update, Adopted [true false] true  
Change in Accounting Principle, Accounting Standards Update, Adoption Date Jun. 01, 2026  
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false] true  
Restricted cash $ 2,600,000,000  
Contract with Customer, Asset and Liability [Abstract]    
Revenues recognized included in opening deferred revenues balances 4,000,000,000 $ 4,000,000,000
Revenue, Performance Obligation [Abstract]    
Remaining performance obligation, amount 664,000,000,000  
Customer Prepayments and Sales of Financing Receivables [Abstract]    
Proceeds of prepayments from customers 11,400,000,000 0
Sales of financing receivables $ 652,000,000 $ 756,000,000