FAIR VALUE MEASUREMENTS, Non Marketable Securities Cumulative (Details) - USD ($) $ in Millions |
Apr. 30, 2026 |
Apr. 30, 2025 |
|---|---|---|
| Fair Value Disclosures [Abstract] | ||
| Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Cumulative Amount | $ 42 | $ 40 |
| Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Cumulative Amount | 72 | 57 |
| Equity Securities without Readily Determinable Fair Value, Impairment Loss, Cumulative Amount | 26 | 26 |
| Non-marketable equity securities carrying amount | $ 54 | $ 61 |