INCOME TAXES - Additional Information (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
May 31, 2026 |
May 31, 2025 |
May 31, 2024 |
|
| Effective Income Tax Rate Reconciliation [Line Items] | |||
| Corporate structuring transactions, benefit | $ 100 | $ 66 | $ 0 |
| State deferred tax remeasurement | 0 | $ 54 | |
| Recognition of cumulative benefit from TCJA | 249 | ||
| Uncertain tax benefits that would impact effective tax rate | 161 | 149 | |
| Uncertain tax position, accrued interest and penalties | 48 | $ 35 | |
| Income Tax Jurisdiction, Foreign | |||
| Effective Income Tax Rate Reconciliation [Line Items] | |||
| Operating loss carryovers | 3,000 | ||
| Valuation allowance related to foreign net operating losses | 100 | ||
| State And Local Jurisdiction | |||
| Effective Income Tax Rate Reconciliation [Line Items] | |||
| Operating loss carryovers | 1,100 | ||
| Income Tax Jurisdiction, Domestic Federal | |||
| Effective Income Tax Rate Reconciliation [Line Items] | |||
| Operating loss carryovers | $ 130 | ||