v3.26.1
RETIREMENT PLANS - Schedule of Components of Pension Plans (Details) - Pension Plan - USD ($)
$ in Millions
May 31, 2026
May 31, 2025
May 31, 2024
Defined Benefit Plan Disclosure [Line Items]      
PBO $ 28,095 $ 27,048  
Fair Value of
Plan Assets 29,113 27,245  
Funded Status 1,018 197  
Qualified      
Defined Benefit Plan Disclosure [Line Items]      
PBO 26,974 25,855  
Fair Value of
Plan Assets 28,453 26,601  
Funded Status 1,479 746  
Nonqualified      
Defined Benefit Plan Disclosure [Line Items]      
PBO 88 120  
Fair Value of
Plan Assets 0 0  
Funded Status (88) (120)  
International Pension Plans      
Defined Benefit Plan Disclosure [Line Items]      
PBO 1,033 1,073 $ 1,018
Fair Value of
Plan Assets 660 644 $ 602
Funded Status $ (373) $ (429)