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REVENUE- Revenue by Region (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2025 | Jul. 31, 2024 | Jul. 31, 2025 | Jul. 31, 2024
Net revenue | $ 1,738 | $ 1,578 | $ 5,087 | $ 4,809
Life Sciences and Diagnostics Markets |  |  |  |
Net revenue | 670 | 585 | 1,971 | 1,809
Agilent CrossLab |  |  |  |
Net revenue | 744 | 691 | 2,153 | 2,041
Applied Markets |  |  |  |
Net revenue | 324 | 302 | 963 | 959
Americas |  |  |  |
Net revenue | 683 | 626 | 2,030 | 1,893
Americas | Life Sciences and Diagnostics Markets |  |  |  |
Net revenue | 316 | 268 | 953 | 841
Americas | Agilent CrossLab |  |  |  |
Net revenue | 274 | 267 | 805 | 779
Americas | Applied Markets |  |  |  |
Net revenue | 93 | 91 | 272 | 273
Europe |  |  |  |
Net revenue | 492 | 432 | 1,397 | 1,316
Europe | Life Sciences and Diagnostics Markets |  |  |  |
Net revenue | 201 | 177 | 568 | 537
Europe | Agilent CrossLab |  |  |  |
Net revenue | 212 | 184 | 594 | 551
Europe | Applied Markets |  |  |  |
Net revenue | 79 | 71 | 235 | 228
Asia Pacific |  |  |  |
Net revenue | 563 | 520 | 1,660 | 1,600
Asia Pacific | Life Sciences and Diagnostics Markets |  |  |  |
Net revenue | 153 | 140 | 450 | 431
Asia Pacific | Agilent CrossLab |  |  |  |
Net revenue | 258 | 240 | 754 | 711
Asia Pacific | Applied Markets |  |  |  |
Net revenue | $ 152 | $ 140 | $ 456 | $ 458

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