<?xml version="1.0" encoding="utf-8"?>
<FilingSummary xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <Version>2.4.1.9</Version>
  <ProcessingTime />
  <ReportFormat>Html</ReportFormat>
  <ContextCount>147</ContextCount>
  <ElementCount>360</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>61</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>7</UnitCount>
  <MyReports>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0001000 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>1001000 - Statement - CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/CondensedConsolidatedStatementOfOperationsUnaudited</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS (Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>1001001 - Statement - CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS (PARENTHETICAL)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/CondensedConsolidatedStatementOfOperationsParenthetical</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS (PARENTHETICAL)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>1002000 - Statement - CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/CondensedConsolidatedStatementOfComprehensiveIncomeUnaudited</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>1002001 - Statement - CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (Unaudited) (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/CondensedConsolidatedStatementOfComprehensiveIncomeUnauditedParenthetical</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (Unaudited) (Parenthetical)</ShortName>
    </Report>
    <Report>
      <IsDefault>true</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>1003000 - Statement - CONDENSED CONSOLIDATED BALANCE SHEET (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/CondensedConsolidatedBalanceSheetUnaudited</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEET (Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>1003501 - Statement - CONDENSED CONSOLIDATED BALANCE SHEET (Unaudited) (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/CondensedConsolidatedBalanceSheetUnauditedParenthetical</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEET (Unaudited) (Parenthetical)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>1004000 - Statement - CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/CondensedConsolidatedStatementOfCashFlowsUnaudited</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>2101100 - Disclosure - OVERVIEW, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/OverviewBasisOfPresentationAndSummaryOfSignificantAccountingPolicies</Role>
      <ShortName>OVERVIEW, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>2102100 - Disclosure - NEW ACCOUNTING PRONOUNCEMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/NewAccountingPronouncements</Role>
      <ShortName>NEW ACCOUNTING PRONOUNCEMENTS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>2104100 - Disclosure - DISCONTINUED OPERATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/DiscontinuedOperations</Role>
      <ShortName>DISCONTINUED OPERATIONS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>2105100 - Disclosure - SHARE-BASED COMPENSATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/ShareBasedCompensation</Role>
      <ShortName>SHARE-BASED COMPENSATION</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>2106100 - Disclosure - INCOME TAXES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/IncomeTaxes</Role>
      <ShortName>INCOME TAXES</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>2107100 - Disclosure - NET INCOME PER SHARE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/NetIncomePerShare</Role>
      <ShortName>NET INCOME PER SHARE</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>2108100 - Disclosure - INVENTORY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/Inventory</Role>
      <ShortName>INVENTORY</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>2109100 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/GoodwillAndOtherIntangibleAssets</Role>
      <ShortName>GOODWILL AND OTHER INTANGIBLE ASSETS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>2110100 - Disclosure - FAIR VALUE MEASUREMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/FairValueMeasurements</Role>
      <ShortName>FAIR VALUE MEASUREMENTS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>2111100 - Disclosure - DERIVATIVES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/Derivatives</Role>
      <ShortName>DERIVATIVES</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>2113100 - Disclosure - EXIT OF NMR BUSINESS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/ExitOfNmrBusiness</Role>
      <ShortName>EXIT OF NMR BUSINESS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>2114100 - Disclosure - RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/RetirementPlansAndPostRetirementPensionPlans</Role>
      <ShortName>RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>2115100 - Disclosure - WARRANTIES AND CONTINGENCIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/WarrantiesAndContingencies</Role>
      <ShortName>WARRANTIES AND CONTINGENCIES</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>2116100 - Disclosure - SHORT-TERM DEBT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/ShortTermDebt</Role>
      <ShortName>SHORT-TERM DEBT</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>2117100 - Disclosure - LONG-TERM DEBT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/LongTermDebt</Role>
      <ShortName>LONG-TERM DEBT</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>2118100 - Disclosure - STOCKHOLDERS' EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/StockholdersEquity</Role>
      <ShortName>STOCKHOLDERS' EQUITY</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>2119100 - Disclosure - SEGMENT INFORMATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/SegmentInformation</Role>
      <ShortName>SEGMENT INFORMATION</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>2201201 - Disclosure - OVERVIEW, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/OverviewBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesPolicies</Role>
      <ShortName>OVERVIEW, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>2304301 - Disclosure - DISCONTINUED OPERATIONS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/DiscontinuedOperationsTables</Role>
      <ShortName>DISCONTINUED OPERATIONS (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>2305301 - Disclosure - SHARE-BASED COMPENSATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/ShareBasedCompensationTables</Role>
      <ShortName>SHARE-BASED COMPENSATION (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>2307301 - Disclosure - NET INCOME PER SHARE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/NetIncomePerShareTables</Role>
      <ShortName>NET INCOME PER SHARE (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>2308301 - Disclosure - INVENTORY (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/InventoryTables</Role>
      <ShortName>INVENTORY (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>2309301 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/GoodwillAndOtherIntangibleAssetsTables</Role>
      <ShortName>GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>2310301 - Disclosure - FAIR VALUE MEASUREMENTS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/FairValueMeasurementsTables</Role>
      <ShortName>FAIR VALUE MEASUREMENTS (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>2311301 - Disclosure - DERIVATIVES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/DerivativesTables</Role>
      <ShortName>DERIVATIVES (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>2313301 - Disclosure - EXIT OF NMR BUSINESS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/ExitOfNmrBusinessTables</Role>
      <ShortName>EXIT OF NMR BUSINESS (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>2314301 - Disclosure - RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/RetirementPlansAndPostRetirementPensionPlansTables</Role>
      <ShortName>RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>2315301 - Disclosure - WARRANTIES AND CONTINGENCIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/WarrantiesAndContingenciesTables</Role>
      <ShortName>WARRANTIES AND CONTINGENCIES (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>2317301 - Disclosure - LONG-TERM DEBT (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/LongTermDebtTables</Role>
      <ShortName>LONG-TERM DEBT (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>2318301 - Disclosure - STOCKHOLDERS' EQUITY (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/StockholdersEquityTables</Role>
      <ShortName>STOCKHOLDERS' EQUITY (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>2319301 - Disclosure - SEGMENT INFORMATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/SegmentInformationTables</Role>
      <ShortName>SEGMENT INFORMATION (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>2401402 - Disclosure - OVERVIEW, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/OverviewBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesDetails</Role>
      <ShortName>OVERVIEW, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>2404402 - Disclosure - DISCONTINUED OPERATIONS - Statement of Operations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/DiscontinuedOperationsStatementOfOperationsDetails</Role>
      <ShortName>DISCONTINUED OPERATIONS - Statement of Operations (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>2404403 - Disclosure - DISCONTINUED OPERATIONS - Assets and Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/DiscontinuedOperationsAssetsAndLiabilitiesDetails</Role>
      <ShortName>DISCONTINUED OPERATIONS - Assets and Liabilities (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>2404404 - Disclosure - DISCONTINUED OPERATIONS - Textuals (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/DiscontinuedOperationsTextualsDetails</Role>
      <ShortName>DISCONTINUED OPERATIONS - Textuals (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>2405402 - Disclosure - SHARE-BASED COMPENSATION Allocated Share-based compensation expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/ShareBasedCompensationAllocatedShareBasedCompensationExpenseDetails</Role>
      <ShortName>SHARE-BASED COMPENSATION Allocated Share-based compensation expense (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>2405403 - Disclosure - SHARE-BASED COMPENSATION Fair Value Assumptions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/ShareBasedCompensationFairValueAssumptionsDetails</Role>
      <ShortName>SHARE-BASED COMPENSATION Fair Value Assumptions (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>2406401 - Disclosure - INCOME TAXES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/IncomeTaxesDetails</Role>
      <ShortName>INCOME TAXES (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>2407402 - Disclosure - NET INCOME PER SHARE (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/NetIncomePerShareDetails</Role>
      <ShortName>NET INCOME PER SHARE (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>2408402 - Disclosure - INVENTORY (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/InventoryDetails</Role>
      <ShortName>INVENTORY (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>2409402 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS Goodwill Roll forward (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/GoodwillAndOtherIntangibleAssetsGoodwillRollForwardDetails</Role>
      <ShortName>GOODWILL AND OTHER INTANGIBLE ASSETS Goodwill Roll forward (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>2409403 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS Disclosures and Components of Purchased Other Intangibles (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/GoodwillAndOtherIntangibleAssetsDisclosuresAndComponentsOfPurchasedOtherIntangiblesDetails</Role>
      <ShortName>GOODWILL AND OTHER INTANGIBLE ASSETS Disclosures and Components of Purchased Other Intangibles (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>2409404 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS Textuals (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/GoodwillAndOtherIntangibleAssetsTextualsDetails</Role>
      <ShortName>GOODWILL AND OTHER INTANGIBLE ASSETS Textuals (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>2409405 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS Finite-Lived Assets Future Amortization Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/GoodwillAndOtherIntangibleAssetsFiniteLivedAssetsFutureAmortizationExpenseDetails</Role>
      <ShortName>GOODWILL AND OTHER INTANGIBLE ASSETS Finite-Lived Assets Future Amortization Expense (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>2410402 - Disclosure - FAIR VALUE MEASUREMENTS, Fair value of assets and liabilities measured on a recurring basis (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/FairValueMeasurementsFairValueOfAssetsAndLiabilitiesMeasuredOnRecurringBasisDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENTS, Fair value of assets and liabilities measured on a recurring basis (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>2410403 - Disclosure - FAIR VALUE MEASUREMENTS, Fair value measures and impairment of long-lived assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/FairValueMeasurementsFairValueMeasuresAndImpairmentOfLongLivedAssetsDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENTS, Fair value measures and impairment of long-lived assets (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>2411402 - Disclosure - DERIVATIVES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/DerivativesDetails</Role>
      <ShortName>DERIVATIVES (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>2411403 - Disclosure - DERIVATIVES, Disclosures and derivative instrument aggregated notional amounts by currency and designations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/DerivativesDisclosuresAndDerivativeInstrumentAggregatedNotionalAmountsByCurrencyAndDesignationsDetails</Role>
      <ShortName>DERIVATIVES, Disclosures and derivative instrument aggregated notional amounts by currency and designations (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>2411404 - Disclosure - DERIVATIVES, Fair value of derivative instruments and Consolidated Balance Sheet location (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/DerivativesFairValueOfDerivativeInstrumentsAndConsolidatedBalanceSheetLocationDetails</Role>
      <ShortName>DERIVATIVES, Fair value of derivative instruments and Consolidated Balance Sheet location (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>2411405 - Disclosure - DERIVATIVES, Effect of derivative instruments on Consolidated Statement of Operations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/DerivativesEffectOfDerivativeInstrumentsOnConsolidatedStatementOfOperationsDetails</Role>
      <ShortName>DERIVATIVES, Effect of derivative instruments on Consolidated Statement of Operations (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>2413402 - Disclosure - EXIT OF NMR BUSINESS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/ExitOfNmrBusinessDetails</Role>
      <ShortName>EXIT OF NMR BUSINESS (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>2414402 - Disclosure - RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS- Components of net periodic costs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/RetirementPlansAndPostRetirementPensionPlansComponentsOfNetPeriodicCostsDetails</Role>
      <ShortName>RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS- Components of net periodic costs (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>2414403 - Disclosure - RETIREMENT PLANS AND POST RETIREMENT - Transferred to Keysight Technologies, Inc. (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/RetirementPlansAndPostRetirementTransferredToKeysightTechnologiesIncDetails</Role>
      <ShortName>RETIREMENT PLANS AND POST RETIREMENT - Transferred to Keysight Technologies, Inc. (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>2414404 - Disclosure - RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Details) (Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/RetirementPlansAndPostRetirementPensionPlansDetailsTextual</Role>
      <ShortName>RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Details) (Textual)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>2415402 - Disclosure - WARRANTIES AND CONTINGENCIES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/WarrantiesAndContingenciesDetails</Role>
      <ShortName>WARRANTIES AND CONTINGENCIES (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>2416401 - Disclosure - SHORT-TERM DEBT Credit Facility (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/ShortTermDebtCreditFacilityDetails</Role>
      <ShortName>SHORT-TERM DEBT Credit Facility (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>2417402 - Disclosure - LONG-TERM DEBT (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/LongTermDebtDetails</Role>
      <ShortName>LONG-TERM DEBT (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>2417403 - Disclosure - LONG-TERM DEBT Long-Term Debt - Other Debt (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/LongTermDebtLongTermDebtOtherDebtDetails</Role>
      <ShortName>LONG-TERM DEBT Long-Term Debt - Other Debt (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>2418402 - Disclosure - STOCKHOLDERS' EQUITY - Stock Repurchase Program (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/StockholdersEquityStockRepurchaseProgramDetails</Role>
      <ShortName>STOCKHOLDERS' EQUITY - Stock Repurchase Program (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>2418403 - Disclosure - STOCKHOLDER"S EQUITY - Dividends (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/StockholdersEquityDividendsDetails</Role>
      <ShortName>STOCKHOLDER"S EQUITY - Dividends (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>2418404 - Disclosure - STOCKHOLDER'S EQUITY - Accumulated Other Comprehensive Income (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/StockholdersEquityAccumulatedOtherComprehensiveIncomeDetails</Role>
      <ShortName>STOCKHOLDER'S EQUITY - Accumulated Other Comprehensive Income (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>2418405 - Disclosure - STOCKHOLDERS' EQUITY - Reclassifications out of accumulated comprehensive income (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/StockholdersEquityReclassificationsOutOfAccumulatedComprehensiveIncomeDetails</Role>
      <ShortName>STOCKHOLDERS' EQUITY - Reclassifications out of accumulated comprehensive income (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>2419402 - Disclosure - SEGMENT INFORMATION - Profitability (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/SegmentInformationProfitabilityDetails</Role>
      <ShortName>SEGMENT INFORMATION - Profitability (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>2419403 - Disclosure - SEGMENT INFORMATION - Reconciliation of Reportable Results (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/SegmentInformationReconciliationOfReportableResultsDetails</Role>
      <ShortName>SEGMENT INFORMATION - Reconciliation of Reportable Results (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>2419404 - Disclosure - SEGMENT INFORMATION - Segment Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.agilent.com/role/SegmentInformationSegmentAssetsDetails</Role>
      <ShortName>SEGMENT INFORMATION - Segment Assets (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Info">Element us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount had a mix of decimals attribute values: -5 0.</Log>
    <Log type="Info">Element us-gaap_EffectiveIncomeTaxRateContinuingOperations had a mix of decimals attribute values: 0 3.</Log>
    <Log type="Info">Element us-gaap_TreasuryStockSharesAcquired had a mix of decimals attribute values: -6 -3.</Log>
    <Log type="Info">Columns in Cash Flows statement 'CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) (USD $)' have maximum duration 91 days and at least 28 values. Shorter duration columns must have at least one fourth (7) as many values. Column '10/31/2014' is shorter (-735536 days) and has only 1 values, so it is being removed.</Log>
    <Log type="Info">'Shares' elements on report '2407402 - Disclosure - NET INCOME PER SHARE (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Shares' elements on report '2418402 - Disclosure - STOCKHOLDERS' EQUITY - Stock Repurchase Program (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2418402 - Disclosure - STOCKHOLDERS' EQUITY - Stock Repurchase Program (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">Process Flow-Through: 1001000 - Statement - CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS (Unaudited)</Log>
    <Log type="Info">Process Flow-Through: 1001001 - Statement - CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS (PARENTHETICAL)</Log>
    <Log type="Info">Process Flow-Through: 1002000 - Statement - CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (Unaudited)</Log>
    <Log type="Info">Process Flow-Through: 1002001 - Statement - CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (Unaudited) (Parenthetical)</Log>
    <Log type="Info">Process Flow-Through: 1003000 - Statement - CONDENSED CONSOLIDATED BALANCE SHEET (Unaudited)</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Jan. 31, 2014'</Log>
    <Log type="Info">Process Flow-Through: 1003501 - Statement - CONDENSED CONSOLIDATED BALANCE SHEET (Unaudited) (Parenthetical)</Log>
    <Log type="Info">Process Flow-Through: 1004000 - Statement - CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited)</Log>
  </Logs>
  <InputFiles>
    <File>a-20150131.xml</File>
    <File>a-20150131.xsd</File>
    <File>a-20150131_cal.xml</File>
    <File>a-20150131_def.xml</File>
    <File>a-20150131_lab.xml</File>
    <File>a-20150131_pre.xml</File>
  </InputFiles>
  <SupplementalFiles />
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
