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ACQUISITIONS (Narrative) (Details) $ in Millions |  | 3 Months Ended |
--- | --- | --- | ---
Nov. 03, 2023 USD ($) | Jan. 31, 2024 USD ($) | Jan. 31, 2024 USD ($) | Jan. 31, 2023 USD ($) | Nov. 03, 2023 € / shares
Business Acquisition [Line Items] |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  | $ 478 | $ 0 |
Share-based Compensation Expense |  |  | 50 | 55 |
Acquisition of non-controlling interests |  |  | $ 458 | $ 0 |
ESI Group SA |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Acquisition, Effective Date of Acquisition |  |  | Nov. 03, 2023 |  |
Business Acquisition, Percentage of Voting Interests Acquired | 50.60% |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired | $ 512 |  |  |  |
Business Acquisition, Share Price | € / shares |  |  |  |  | € 155
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual |  | $ 68 |  |  |
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual |  | $ 2 |  |  |
Discount rate used to value In Process R&D | 12.00% |  |  |  |
Payments to Acquire in Process Research and Development | $ 7 |  |  |  |
Share-based Compensation Expense |  |  | $ 5 |  |
Acquisition of non-controlling interests |  |  | 458 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities | 7 |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities | $ 104 |  |  |  |
Business Combination, Integration Related Costs |  |  | $ 14 |  |

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