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GOODWILL AND OTHER INTANGIBLE ASSETS Text (Details) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 31, 2024 USD ($) | Oct. 31, 2023 USD ($) numberOfCustomers | Oct. 31, 2022 USD ($) | Oct. 31, 2021 USD ($)
Intangible Assets, Including Goodwill) |  |  |  |
Goodwill Additions |  | $ 15 | $ 19 |
Additions and adjustments to other intangibles |  | 50 |  |
Foreign exchange translation impact to other intangible assets |  | 2 | (3) |
Goodwill and Intangible Asset Impairment [Abstract] |  |  |  |
Goodwill impairment | $ 0 | 0 | 0 | $ 0
Impairment of finite-lived intangible assets |  | 0 | 0 | 0
Impairment of indefinite-lived intangible assets |  | 0 | 0 | 0
Business Acquisition |  |  |  |
Intangible assets written-off |  | 7 |  |
Net gain on Divestiture of Business |  | 43 | 0 | 0
Proceeds from Divestiture of Businesses |  | 50 | 0 | $ 0
Diagnostics and Genomics |  |  |  |
Intangible Assets, Including Goodwill) |  |  |  |
Goodwill Additions |  | 15 | 0 |
Business Acquisition |  |  |  |
Goodwill, Transfers | $ 168 |  |  |
Life Sciences and Applied Markets |  |  |  |
Intangible Assets, Including Goodwill) |  |  |  |
Goodwill Additions |  | 0 | 19 |
Agilent CrossLab |  |  |  |
Intangible Assets, Including Goodwill) |  |  |  |
Goodwill Additions |  | 0 | 0 |
Resolution Bioscience, Inc. |  |  |  |
Goodwill and Intangible Asset Impairment [Abstract] |  |  |  |
Impairment of finite-lived intangible assets |  | 258 |  |
Business Acquisition |  |  |  |
Net gain on Divestiture of Business |  | 43 |  |
Resolution Bioscience, Inc. | Cost of Product and Services |  |  |  |
Goodwill and Intangible Asset Impairment [Abstract] |  |  |  |
Impairment of finite-lived intangible assets |  | $ 249 |  |
Business Acquisition |  |  |  |
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration] |  | Cost of revenue |  |
Resolution Bioscience, Inc. | Selling, General and Administrative |  |  |  |
Goodwill and Intangible Asset Impairment [Abstract] |  |  |  |
Impairment of finite-lived intangible assets |  | $ 9 |  |
Business Acquisition |  |  |  |
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration] |  | Selling, general and administrative |  |
Polymer Standards Service GmbH |  |  |  |
Intangible Assets, Including Goodwill) |  |  |  |
Goodwill Additions |  |  | 19 |
Additions and adjustments to other intangibles |  |  | 35 |
Business Acquisition |  |  |  |
Purchase price for acquisition |  |  | $ 41 |
Acquisition of businesses |  |  |  |
Business Acquisition |  |  |  |
Number of Businesses Acquired | numberOfCustomers |  | 2 |  |
Purchase price for acquisition |  | $ 51 |  |

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