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SEGMENT INFORMATION - Profitability (Details) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2019 USD ($) | Jul. 31, 2018 USD ($) | Jul. 31, 2019 USD ($) | Jul. 31, 2018 USD ($)
Segment Reporting Information |  |  |  |
Number of operating segments | 3 |  |  |
Segment Reporting Information |  |  |  |
Net revenue | $ 1,274 | $ 1,203 | $ 3,796 | $ 3,620
Income from operations | 225 | 221 | 691 | 660
Life Sciences and Applied Markets |  |  |  |
Segment Reporting Information |  |  |  |
Net revenue | 544 | 540 | 1,680 | 1,673
Income from operations | 118 | 122 | 384 | 389
Diagnostics and Genomics |  |  |  |
Segment Reporting Information |  |  |  |
Net revenue | 263 | 237 | 752 | 687
Income from operations | 50 | 43 | 132 | 115
Agilent CrossLab |  |  |  |
Segment Reporting Information |  |  |  |
Net revenue | 467 | 426 | 1,364 | 1,260
Income from operations | 122 | 98 | 342 | 281
Segment Total |  |  |  |
Segment Reporting Information |  |  |  |
Net revenue | 1,274 | 1,203 | 3,796 | 3,620
Income from operations | $ 290 | $ 263 | $ 858 | $ 785

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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 No definition available. + Details
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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