DERIVATIVE FINANCIAL INSTRUMENTS Narrative (Details) - Foreign Currency Forward Contracts Not Designated as Hedges [Member] - USD ($) $ in Billions |
Nov. 30, 2020 |
May 31, 2020 |
|---|---|---|
| Forward contracts held to purchase U.S. Dollars [Member] | ||
| Foreign Currency Forward Contracts Not Designated as Hedges (Narrative) [Abstract] | ||
| Notional amounts of forward contracts | $ 3.9 | $ 4.2 |
| Forward contracts held to sell U.S. Dollars [Member] | ||
| Foreign Currency Forward Contracts Not Designated as Hedges (Narrative) [Abstract] | ||
| Notional amounts of forward contracts | $ 3.9 | $ 3.9 |