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SEGMENT INFORMATION Profitability (Details) $ in Millions | 12 Months Ended
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Oct. 31, 2016 USD ($) segment | Oct. 31, 2015 USD ($) | Oct. 31, 2014 USD ($)
Segment Reporting [Abstract] |  |  |
Number of operating segments | segment | 3 |  |
Percentage of revenue from a single customer | Less than 10 percent | Less than 10 percent | Less than 10 percent
Select income statement components (Loss) [Abstract] |  |  |
Total net revenue | $ 4,202 | $ 4,038 | $ 4,048
Income from operations | 615 | 522 | 419
Depreciation expense | 95 | 98 | 120
Share-based compensation | 58 | 54 | 96
Life Sciences and Applied Markets |  |  |
Select income statement components (Loss) [Abstract] |  |  |
Total net revenue | 2,073 | 2,046 | 2,078
Income from operations | 429 | 380 | 369
Depreciation expense | 36 | 27 | 29
Share-based compensation | 29 | 27 | 29
Diagnostics and Genomics |  |  |
Select income statement components (Loss) [Abstract] |  |  |
Total net revenue | 709 | 662 | 663
Income from operations | 114 | 88 | 93
Depreciation expense | 31 | 37 | 43
Share-based compensation | 10 | 9 | 9
Agilent CrossLab |  |  |
Select income statement components (Loss) [Abstract] |  |  |
Total net revenue | 1,420 | 1,330 | 1,307
Income from operations | 316 | 299 | 301
Depreciation expense | 28 | 34 | 33
Share-based compensation | 21 | 18 | 18
Segment Total [Member] |  |  |
Select income statement components (Loss) [Abstract] |  |  |
Total net revenue | 4,202 | 4,038 | 4,048
Income from operations | 859 | 767 | 763
Depreciation expense | 95 | 98 | 105
Share-based compensation | $ 60 | $ 54 | $ 56

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- Definition Description of risks that arise due to the volume of business transacted with a particular customer. At a minimum, the description informs financial statement users of the general nature of the risk, but excludes "Information about Major Customers" that may be disclosed elsewhere (for instance, segment disclosures). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6404-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6327-108592 + Details
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