v3.26.1
RETIREMENT PLANS - Schedule of Pension Plans Contributions (Details) - U.S. Pension Plans - USD ($)
$ in Millions
12 Months Ended
May 31, 2026
May 31, 2025
Defined Benefit Plan Disclosure [Line Items]    
Defined benefit plan, tax status Qualified Qualified
Pension Plan    
Defined Benefit Plan Disclosure [Line Items]    
Defined benefit plan, tax status Qualified Qualified
Required $ 0 $ 0
Voluntary 275 800
Defined benefit plan required contributions by employer $ 275 $ 800