v3.26.1
ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) - USD ($)
$ in Millions
 12 Months Ended
May 31, 2026
May 31, 2025
May 31, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance $ 28,074 $ 27,582 $ 26,088
Other comprehensive loss, net of tax 135 (3) (32)
Ending balance 31,647 28,074 27,582
Foreign currency translation loss:      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance (1,420) (1,422) (1,362)
Other comprehensive loss, net of tax 145 2 (60)
Ending balance (1,275) (1,420) (1,422)
Retirement plans adjustments:      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance 58 63 35
Other comprehensive loss, net of tax 0 0 36
Reclassification from AOCI (10) (5) (8)
Ending balance 48 58 63
Accumulated
Other
Comprehensive
Loss      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance (1,362) (1,359) (1,327)
Other comprehensive loss, net of tax 135 (3) (32)
Ending balance $ (1,227) $ (1,362) $ (1,359)