LEASES, OTHER COMMITMENTS AND CERTAIN CONTINGENCIES - Supplemental Cash Flow Information Related to Leases (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
May 31, 2025 |
May 31, 2024 |
May 31, 2023 |
|
| Cash Flow, Operating Activities, Lessee [Abstract] | |||
| Cash paid for amounts included in the measurement of operating lease liabilities | $ 1,685 | $ 1,168 | $ 894 |
| ROU assets obtained in exchange for operating lease obligations | $ 6,970 | $ 4,246 | $ 1,957 |