RETIREMENT PLANS - Schedule of Retirement Plan Costs (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Feb. 28, 2026 |
Feb. 28, 2025 |
Feb. 28, 2026 |
Feb. 28, 2025 |
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| Retirement Benefits [Abstract] | ||||
| Defined benefit pension plans | $ 47 | $ 69 | $ 140 | $ 209 |
| Defined contribution plans | 327 | 278 | 945 | 853 |
| Postretirement healthcare plans | 22 | 22 | 67 | 65 |
| Retirement plans costs | $ 396 | $ 369 | $ 1,152 | $ 1,127 |
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- References No definition available.
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- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cost for defined contribution plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cost (reversal of cost) for other postretirement benefits. Excludes pension benefits. No definition available.
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- Definition Amount of cost (reversal of cost) for pension and other postretirement benefits. No definition available.
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