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LONG-TERM DEBT - Carrying Value (Details) - USD ($) $ in Millions | Oct. 31, 2021 | Oct. 31, 2020
--- | --- | ---
Debt Instrument [Line Items] |  |
Senior Notes Amortized principal | $ 2,729 | $ 2,284
Senior Notes 2022 |  |
Debt Instrument [Line Items] |  |
Senior Notes Amortized principal | 0 | 400
Senior Notes 2023 [Member] |  |
Debt Instrument [Line Items] |  |
Senior Notes Amortized principal | 599 | 598
Senior Notes 2026 |  |
Debt Instrument [Line Items] |  |
Senior Notes Amortized principal | 298 | 298
Senior Notes 2029 |  |
Debt Instrument [Line Items] |  |
Senior Notes Amortized principal | 494 | 493
Senior Notes 2030 [Member] |  |
Debt Instrument [Line Items] |  |
Senior Notes Amortized principal | 496 | 495
Senior Notes 2031 |  |
Debt Instrument [Line Items] |  |
Senior Notes Amortized principal | $ 842 | $ 0

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