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LONG-TERM DEBT - Term Loan (Details) - USD ($) $ in Millions |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
May 04, 2022 | Oct. 31, 2024 | Oct. 31, 2023 | Oct. 31, 2022 | Apr. 15, 2022 | Jun. 21, 2013
Line of Credit Facility [Line Items] |  |  |  |  |  |
Long-Term Debt |  | $ 3,345 | $ 2,735 |  |  |
Gain (Loss) on Extinguishment of Debt |  | 0 | 0 | $ (9) |  |
Term Loan Maturing 2025 |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  | $ 600 |
Long-Term Debt |  |  | $ 600 |  |  |
Weighted average interest rate, at point in time |  |  | 6.22% |  |  |
Repayments of Debt |  | 600 |  |  |  |
Senior Notes 2023 [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Fixed interest rate per annum (in hundredths) |  |  |  |  |  | 3.875%
Early Repayment of Senior Debt | $ 600 |  |  |  |  |
Repayments of senior debt | 609 |  |  |  |  |
Gain (Loss) on Extinguishment of Debt | (9) |  |  |  |  |
Debt Instrument, Increase, Accrued Interest | $ 7 |  |  |  |  |
Strategic Innovation Fund |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Long-Term Debt |  | 18 |  |  |  |
Atlantic Canada Opportunities Agency (ACOA) |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Long-Term Debt |  | $ 1 |  |  |  |

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