TAX BENEFITS FROM EXERCISES OF STOCK OPTIONS AND VESTING OF RESTRICTED STOCK-BASED AWARDS Narrative (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
May 31, 2025 |
May 31, 2024 |
May 31, 2023 |
|
| Tax Benefits from Exercise of Stock Options and Vesting of Restricted Stock-Based Awards [Abstract] | |||
| Total cash received as a result of stock option exercises | $ 448.0 | $ 545.0 | $ 1,000.0 |
| Aggregate intrinsic value of vesting of restricted stock-based awards and options exercised | 9,000.0 | 7,400.0 | 5,100.0 |
| Tax benefits realized in connection with the vesting of restricted stock-based awards and exercises of stock options | $ 2,100.0 | $ 1,700.0 | $ 1.2 |