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SEGMENT INFORMATION - Profitability (Details) $ in Millions | 3 Months Ended
--- | ---
Jan. 31, 2025 USD ($) | Jan. 31, 2024 USD ($)
Segment Reporting Information |  |
Number of operating segments | 3 | 3
Segment Reporting Information |  |
Net revenue | $ 1,681 | $ 1,658
Income from operations | 376 | 384
Operating Segments |  |
Segment Reporting Information |  |
Income from operations | 422 | 428
Life Sciences and Diagnostics Markets |  |
Segment Reporting Information |  |
Net revenue | 647 | 620
Life Sciences and Diagnostics Markets | Operating Segments |  |
Segment Reporting Information |  |
Income from operations | 117 | 114
Agilent CrossLab |  |
Segment Reporting Information |  |
Net revenue | 696 | 686
Agilent CrossLab | Operating Segments |  |
Segment Reporting Information |  |
Income from operations | 221 | 222
Applied Markets |  |
Segment Reporting Information |  |
Net revenue | 338 | 352
Applied Markets | Operating Segments |  |
Segment Reporting Information |  |
Income from operations | $ 84 | $ 92

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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 49 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-49 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-18 + Details
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