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INVESTMENTS (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Oct. 31, 2021 | Oct. 31, 2020 | Oct. 31, 2019 | Nov. 01, 2018
Long-Term [Abstract] |  |  |  |
Short-term Investments | $ 91 | $ 0 |  |
Equity investments - without readily determinable fair value | 120 | 103 |  |
Equity Securities, FV-NI, Noncurrent | 31 | 25 |  |
Trading securities | 34 | 30 |  |
Long-term investments | 185 | 158 |  |
Amounts included in other income (expense), net [Abstract] |  |  |  |
Net unrealized gains on our equity securities with RDFV | 92 | 27 | $ 4 |
Retained earnings | 348 | 81 |  |
Net gain on equity securities | 98 | 27 | 4 |
Equity Securities, FV-NI, Realized Gain (Loss) | (6) | 0 | 0 |
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount | 17 | 27 | 1 |
Trading, Unrealized Gain (Loss) | $ 8 | $ 2 | $ 3 |
Accounting Standards Update 2016-01 |  |  |  |
Long-Term [Abstract] |  |  |  |
Long-term investments |  |  |  | $ 7
Amounts included in other income (expense), net [Abstract] |  |  |  |
Retained earnings |  |  |  | $ 5

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