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RETIREMENT PLANS - Schedule of MTM Adjustments (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
May 31, 2025 | May 31, 2024 | May 31, 2023
Retirement Benefits [Abstract] |  |  |
Actual versus expected return on assets | $ 75 | $ (67) | $ 2,492
Discount rate change | (1,024) | (1,139) | (3,395)
Demographic experience: |  |  |
Current year actuarial loss | 196 | 67 | 142
Change in future assumptions | 247 | 577 | 110
Pension plan amendments, including curtailment gains | (9) | 1 | 1
Total MTM gain | $ (515) | $ (561) | $ (650)

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- Definition Change in future assumptions. + References No definition available. + Details
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- Definition Current year actuarial loss. + References No definition available. + Details
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- Definition Demographic experience. + References No definition available. + Details
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- Definition The amount of actuarial gain/loss attributable to the discount rate. + References No definition available. + Details
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- Definition Pension Plan Amendments, Including Curtailment Gains + References No definition available. + Details
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- Definition The annual retirement plan amount recorded for actuarial gains and losses calculated using actual fair value of plan assets. + References No definition available. + Details
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- Definition The amount of actuarial gain/loss attributable to the return on assets. + References No definition available. + Details
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- References No definition available. + Details
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