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INVESTMENTS (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Oct. 31, 2025 | Oct. 31, 2024 | Oct. 31, 2023
Long-Term Investments [Abstract] |  |  |
Equity investments - without readily determinable fair value | $ 55 | $ 101 |
Other investments - with readily determinable fair value | 37 | 31 |
Trading securities | 41 | 43 |
Long-term investments | 133 | 175 |
Equity Securities, FV-NI [Abstract] |  |  |
Net gain (loss) on equity securities | (36) | 6 | $ (41)
Net gain (loss) on equity securities sold during the period | 5 | 0 | (15)
Unrealized gain (loss) on equity securities | (41) | 6 | (26)
Equity Securities, FV-NI, Unrealized Loss | (39) |  |
Unrealized gain on non-marketable equity securities |  | 1 |
Trading, Unrealized Gain (Loss) | 6 | 10 | 2
Impairments in non-marketable securities without readily determinable fair value | $ 15 | $ 11 | $ 0

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