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GOODWILL AND OTHER INTANGIBLE ASSETS Text (Details) - USD ($) $ in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Nov. 01, 2024 | Sep. 20, 2024 | Oct. 31, 2025 | Oct. 31, 2024 | Oct. 31, 2023
Intangible Assets, Including Goodwill) |  |  |  |  |
Goodwill Additions |  |  |  | $ 526 |
Finite-Lived Intangible Assets, Period Increase (Decrease) |  |  | $ 2 | 188 |
Foreign exchange translation impact to other intangible assets |  |  | 0 | (5) |
Goodwill and Intangible Asset Impairment [Abstract] |  |  |  |  |
Goodwill impairment | $ 0 |  | 0 | 0 | $ 0
Impairment of finite-lived intangible assets |  |  | 0 | 0 |
Impairment of indefinite-lived intangible assets |  |  | 0 | 6 | 0
Business Acquisition |  |  |  |  |
Intangible assets written-off |  |  | 4 | 18 |
Goodwill, Measurement Period Adjustment |  |  | (5) |  |
Life Sciences and Diagnostics Markets |  |  |  |  |
Intangible Assets, Including Goodwill) |  |  |  |  |
Goodwill Additions |  |  |  | 526 |
Business Acquisition |  |  |  |  |
Goodwill, Measurement Period Adjustment |  |  | (5) |  |
Agilent CrossLab |  |  |  |  |
Intangible Assets, Including Goodwill) |  |  |  |  |
Goodwill Additions |  |  | 0 | $ 0 |
Third-Party Technology and Licenses |  |  |  |  |
Intangible Assets, Including Goodwill) |  |  |  |  |
Finite-Lived Intangible Assets, Period Increase (Decrease) |  |  | $ 1 |  |
Resolution Bioscience, Inc. |  |  |  |  |
Goodwill and Intangible Asset Impairment [Abstract] |  |  |  |  |
Impairment of finite-lived intangible assets |  |  |  |  | 258
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
BIOVECTRA |  |  |  |  |
Intangible Assets, Including Goodwill) |  |  |  |  |
Goodwill Additions |  | $ 526 |  |  |

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