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Retirement Plans - Schedule of Pension Plans Contributions (Details) - U.S. Plans [Member] - USD ($)
$ in Millions
 12 Months Ended
May 31, 2022
May 31, 2021
Defined Benefit Plan Disclosure [Line Items]    
Defined benefit plan contributions by employer $ 500 $ 300
Voluntary Contribution [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined benefit plan contributions by employer $ 500 $ 300