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SEGMENT INFORMATION - Profitability (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2018 USD ($) | Apr. 30, 2017 USD ($) | Apr. 30, 2018 USD ($) | Apr. 30, 2017 USD ($)
Segment Reporting Information |  |  |  |
Number of operating segments | 3 |  |  |
Segment Reporting Information |  |  |  |
Net revenue | $ 1,206 | $ 1,102 | $ 2,417 | $ 2,169
Income from operations | 215 | 201 | 454 | 407
Life Sciences and Applied Markets |  |  |  |
Segment Reporting Information |  |  |  |
Net revenue | 561 | 523 | 1,179 | 1,063
Income from operations | 119 | 110 | 278 | 236
Diagnostics and Genomics |  |  |  |
Segment Reporting Information |  |  |  |
Net revenue | 219 | 201 | 404 | 365
Income from operations | 44 | 49 | 66 | 72
Agilent CrossLab |  |  |  |
Segment Reporting Information |  |  |  |
Net revenue | 426 | 378 | 834 | 741
Income from operations | 98 | 82 | 186 | 156
Segment Total |  |  |  |
Segment Reporting Information |  |  |  |
Net revenue | 1,206 | 1,102 | 2,417 | 2,169
Income from operations | $ 261 | $ 241 | $ 530 | $ 464

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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 Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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