Segment Reporting [Abstract] SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Goodwill [Table] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Life Sciences and Applied Markets Life Sciences and Applied Markets [Member] Life Sciences and Applied Markets [Member] Diagnostics and Genomics Diagnostics and Genomics [Member] Diagnostics and Genomics segment includes; DNA mutation detection; genotyping; gene copy number determination; identification of gene rearrangements; DNA methylation profiling; gene expression profiling; and automated gel electrophoresis-based sample analysis systems. Agilent CrossLab Agilent CrossLab [Member] Agilent CrossLab [Member] Goodwill [Line Items] Goodwill [Roll Forward] Goodwill beginning balance Goodwill Foreign currency translation impact Goodwill, Translation and Purchase Accounting Adjustments Goodwill arising from acquisitions/adjustments Goodwill, Acquired During Period Goodwill ending balance Fair Value Disclosures [Abstract] FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] Accounting Policies [Abstract] Overview, Segment Structure and Basis of Presentation Business Description and Basis of Presentation [Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Update to Share-based Compensation Policy Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Fair Value of Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Goodwill and Purchased Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Earnings Per Share [Abstract] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Options with exercise price greater than average market price Options with exercise price greater than average market price [Member] Options with exercise price greater than average market price [Member] Stock Options, LTPP and restricted stock combined exercise price, unamortized fair value, excess tax benefits or shortfalls greater than average market price Stock Options, LTPP and restricted stock combined exercise price, unamortized fair value, excess tax benefits or shortfalls greater than average market price [Member] [Member] Stock Options, LTPP and restricted stock combined exercise price, unamortized fair value, excess tax benefits or shortfalls greater than average market price [Member] [Member] Antidilutive Securities Excluded from EPS Computation Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Numerator: Numerator [Abstract] Numerator [Abstract] Income from continuing operations Income (Loss) from Continuing Operations Attributable to Parent Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Denominators: Denominators [Abstract] Denominators [Abstract] Basic weighted-average shares (in shares) Weighted Average Number of Shares Outstanding, Basic Potentially dilutive common shares equivalents - stock options and other employee stock plans (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Diluted weighted average shares (in shares) Weighted Average Number of Shares Outstanding, Diluted Discontinued Operations and Disposal Groups [Abstract] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Groups, Including Discontinued Operations, Name [Domain] Disposal Groups, Including Discontinued Operations, Name [Domain] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Schedule of income (loss) from discontinued operations Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block] Schedule of assets and liabilities of discontinued operations Schedule of assets and liabilities attributable to discontinued operations [Table Text Block] Tabular disclosure of assets and liabilities attributable to discontinued operations [Table Text Block] Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract] Schedule of Defined Benefit Plans Disclosures [Table] Operating Activities [Axis] Operating Activities [Axis] Operating Activities [Domain] Operating Activities [Domain] Continuing Operations Continuing Operations [Member] Discontinued Operations Discontinued Operations [Member] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plan and Other Postretirement Benefit Plan [Domain] Pensions (U.S. Plans) United States Pension Plan of US Entity [Member] Pensions (Non-U.S. Plans) Foreign Pension Plan [Member] United States Post-retirement Benefit Plan United States Postretirement Benefit Plan of US Entity [Member] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan, Net Periodic Benefit Cost Defined Benefit Plan, Net Periodic Benefit Cost [Abstract] Service cost - benefits earned during the period Defined Benefit Plan, Service Cost Interest cost on benefit obligation Defined Benefit Plan, Interest Cost Expected return on plan assets Defined Benefit Plan, Expected Return on Plan Assets Amortization: Amortization and deferrals [Abstract] Amortization and deferrals [Abstract] Actuarial losses Defined Benefit Plan, Amortization of Gains (Losses) Prior service cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Total net plan costs Defined Benefit Plan, Net Periodic Benefit Cost New Accounting Pronouncements and Changes in Accounting Principles [Abstract] NEW ACCOUNTING PRONOUNCEMENTS New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Debt Disclosure [Abstract] Schedule of Interest Rate Swaps pertaining to Senior Notes offered Schedule of Long-term Debt Instruments [Table Text Block] Cash Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents Accounts receivable Disposal Group, Including Discontinued Operation, Trade Receivables Inventory Disposal Group, Including Discontinued Operation, Inventory Other current assets Disposal Group, Including Discontinued Operation, Other Assets, Current Current assets of discontinued operations Disposal Group, Including Discontinued Operation, Assets, Current Property, plant and equipment Disposal Group, Including Discontinued Operation, Property, Plant and Equipment Goodwill Disposal Group, Including Discontinued Operation, Goodwill Other intangibles Disposal Group, Including Discontinued Operation, Intangible Assets Long-term investments discontinued operations long term investments Amount classified as long term investments attributable to disposal group held for sale or disposed of. Other assets Disposal Group, Including Discontinued Operation, Other Assets Non-current assets of discontinued operations Disposal Group, Including Discontinued Operation, Assets, Noncurrent Total assets of discontinued operations Disposal Group, Including Discontinued Operation, Assets Accounts payable Disposal Group, Including Discontinued Operation, Accounts Payable Employee compensation and benefits Discontinued operations employee compensation and benefit Amount classified as employee compensation and benefits attributable to disposal group held for sale or disposed of. Deferred revenue Disposal Group, Including Discontinued Operation, Deferred Revenue Other accrued liabilities Disposal Group, Including Discontinued Operation, Accrued Liabilities Current liabilities of discontinued operations Disposal Group, Including Discontinued Operation, Liabilities, Current Long-term debt Discontinued operations long term debt Amount classified as long term debt attributable to disposal group held for sale or disposed of. Retirement and post-retirement benefits discontinued operations retirement and post-retirement benefits Amount classified as retirement and post-retirement benefits attributable to disposal group held for sale or disposed of. Other long-term liabilities Disposal Group, Including Discontinued Operation, Other Liabilities Long-term liabilities of discontinued operations Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent Total liabilities of discontinued operations Disposal Group, Including Discontinued Operation, Liabilities Share-based Compensation [Abstract] Windfall tax benefit realized Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Share-based compensation capitalized within inventory Share-based compensation capitalized within inventory Share-based compensation capitalized within inventory Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Income Statement Location [Axis] Income Statement Location [Domain] Cost of Products and Services Cost of Sales [Member] Research and Development Expense Research and Development Expense [Member] Selling, General and Administrative Expenses Selling, General and Administrative Expenses [Member] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] Share-based Compensation, Allocation and Classification in Financial Statements [Abstract] Share-based compensation expense Allocated Share-based Compensation Expense Inventory, Net [Abstract] INVENTORY Schedule of Inventory, Current [Table Text Block] Statement of Financial Position [Abstract] Liabilities and Equity [Abstract] Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, issued and outstanding (in shares) Preferred Stock, Shares Outstanding Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, issued and outstanding (in shares) Common Stock, Shares, Outstanding Treasury stock at cost, shares (in shares) Treasury Stock, Shares Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative [Table] Hedging Designation [Axis] Hedging Designation [Domain Members] Hedging Designation [Domain] Derivatives Designated as Hedging Instruments Designated as Hedging Instrument [Member] Derivatives Not Designated as Hedging Instruments Not Designated as Hedging Instrument [Member] Hedging Relationship [Axis] Hedging Relationship [Domain] Cash Flow Hedging Cash Flow Hedging [Member] Derivative Instrument [Axis] Derivative Contract [Domain] Foreign Exchange Contracts Foreign Exchange Contract [Member] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Other Current Assets Other Current Assets [Member] Other Accrued Liabilities Other Accrued Liabilities [Member] Other Accrued Liabilities [Member] Derivative [Line Items] Derivative Fair Value by Balance Sheet Location [Abstract] Derivative, Fair Value, Net [Abstract] Total derivatives Asset Derivative Asset, Fair Value, Gross Asset Total derivatives Liabilities Derivative Liability, Fair Value, Gross Liability LONG-TERM DEBT Long-term Debt [Text Block] Restructuring and Related Activities [Abstract] Restructuring and Related Activities Disclosure [Text Block] Restructuring and Related Activities Disclosure [Text Block] Short-term Debt [Abstract] Line of Credit Facility [Table] Line of Credit Facility [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Line of Credit Line of Credit [Member] Dako Dako [Member] Dako [Member] Line of Credit Facility [Axis] Lender Name [Axis] Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Line of Credit Facility Line of Credit Facility [Abstract] Line of Credit Facility, Initiation Date Line of Credit Facility, Initiation Date Short-term Debt, Terms (in years) Short-term Debt, Terms Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Expiration Date Line of Credit Facility, Expiration Date Line of Credit Facility, Amount Outstanding Long-term Line of Credit Assets [Abstract] Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Accounts receivable, net Accounts Receivable, Net, Current Inventory Inventory, Net Other current assets Other Assets, Current Current assets of discontinued operations Total current assets Assets, Current Property, plant and equipment, net Property, Plant and Equipment, Net Goodwill Other intangible assets, net Intangible Assets, Net (Excluding Goodwill) Long-term investments Long-term Investments Other assets Other Assets, Noncurrent Non-current assets of discontinued operations Total assets Assets Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Employee compensation and benefits Employee-related Liabilities, Current Deferred revenue Deferred Revenue, Current Other accrued liabilities Other Liabilities, Current Current liabilities of discontinued operations Total current liabilities Liabilities, Current Long-term debt Long-term Debt, Excluding Current Maturities Retirement and post-retirement benefits Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent Other long-term liabilities Other Liabilities, Noncurrent Long-term liabilities of discontinued operations Total liabilities Liabilities Commitments and Contingencies (Note 13) Commitments and Contingencies Stockholders' equity: Preferred stock; $0.01 par value; 125 million shares authorized; none issued and outstanding Preferred Stock, Value, Issued Common stock; $0.01 par value; 2 billion shares authorized; 609 million shares at January 31, 2015 and 608 million shares at October 31, 2014, issued Common Stock, Value, Issued Treasury stock at cost; 273 million shares at January 31, 2015 and 273 million shares at October 31, 2014 Treasury Stock, Value Additional paid-in-capital Additional Paid in Capital Retained earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Total stockholder's equity Stockholders' Equity Attributable to Parent Non-controlling interest Stockholders' Equity Attributable to Noncontrolling Interest Total equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities and equity Liabilities and Equity OVERVIEW AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Overview And Summary Of Significant Accounting Policies [Text Block] This element may be used to describe all significant accounting policies of the reporting entity, descriptions of the basis of accounting used to prepare the financial statements (for example, U.S. Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS), and overview information (which may include, Summary description of products and services, Proposed Acquisitions and Divestitures). Commitments and Contingencies Disclosure [Abstract] WARRANTIES AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Standard warranty Schedule of Product Warranty Liability [Table Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Stock Options Employee Stock Option [Member] LTPP LTPP [Member] Long Term Performance Plan. Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Weighted average risk-free interest rate (in hundredths) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Weighted average volatility (in hundredths) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate Expected life (in years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Volatility of Agilent shares (in hundredths) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Volatility of selected peer-company shares minimum (in hundredths) Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Peer Company Shares Volatility Rate Range Minimum The measure of the percentage amount by which a share price fluctuates during a period for peer companies - minimum range. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. Volatility of selected peer-company shares maximum (in hundredths) Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Peer Company Shares Volatility Rate Range Maximum The measure of the percentage amount by which a share price fluctuates during a period for peer companies - maximum range. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. Price-wise correlation with selected peers (in hundredths) Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Peer Company Shares Price Wise Correlationy Rate The measure of the percentage amount of share price correlation during the period with a selected group of peer companies. Pair-wise correlations with selected peers is calculated as the correlation between each pair and the sum of correlations divided by the number of pairs to produce the average correlation between each pair. ESPP plan purchase price (in hundredths) Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date Position [Axis] Position [Axis] Position [Domain] Position [Domain] Sell Short [Member] Buy Long [Member] Currency [Axis] Currency [Axis] All Currencies [Domain] All Currencies [Domain] Euro Euro Member Countries, Euro British Pound United Kingdom, Pounds Canadian Dollar Canada, Dollars Australian Dollars Australia, Dollars Malaysian Ringgit Malaysia, Ringgits Japanese Yen Japan, Yen United States of America, Dollars United States of America, Dollars Other Other Currency [Member] Other Currency [Member] Derivative, by Nature [Axis] Derivative, Name [Domain] Derivative, Name [Domain] Forward Contracts USD Forward Contracts [Member] Option Contracts Options Held [Member] Forward Contracts DKK Forward Contracts DKK [Member] Contracts negotiated between two parties to purchase and sell a specific quantity of a financial instrument, foreign currency, or commodity at a price specified at origination of the contract, with delivery and settlement at a specified future date. Total notional amount Derivative, Notional Amount Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Purchased Technology Developed Technology Rights [Member] Trademark/Tradenames Trademarks [Member] Customer Relationships Customer Relationships [Member] In Process R&D In Process R And D [Member] In process research and development costs that are not amortized. Total amortizable intangible assets Total Amortizable Intangible Assets [Member] Sum of the gross carrying amounts before accumulated amortization as of the balance sheet date of all intangible assets having statutory or estimated useful lives. The aggregate gross carrying amount (including any previously recognized impairment charges) of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets, Net [Abstract] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Accumulated Amortization and Impairments Finite-Lived Intangible Assets, Accumulated Amortization Net Book Value Indefinite-Lived Intangible Assets (Excluding Goodwill) [Abstract] Indefinite-Lived Intangible Assets (Excluding Goodwill) [Abstract] In-Process R&D Indefinite-Lived Intangible Assets (Excluding Goodwill) Fair Value Assets And Liabilities Measured On Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Australia, Dollars Derivative, by Nature [Axis] Forward Contracts Designated as Hedging Instrument Treasury Lock Treasury Lock [Member] Income Statement Location [Axis] Income Statement Location [Domain] Other Expense Other Expense [Member] Cost of Sales Balance Sheet Location [Axis] Balance Sheet Location [Domain] Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss) [Member] Gain (loss) recognized in accumulated other comprehensive income Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net Gain (loss) reclassified from accumulated other comprehensive income into cost of sales Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Loss recognized in other income (expense) Derivative, Gain (Loss) on Derivative, Net Cash Flow Hedge Net Gain to be Reclassified within Twelve Months Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months Segment Profitability and Segment Assets Schedule of Segment Reporting Information, by Segment [Table Text Block] Reconciliation of segment results to total enterprise results Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring [Member] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] Fair Value, Inputs, Level 1 [Member] Significant Other Observable Inputs (Level 2) [Member] Fair Value, Inputs, Level 2 [Member] Significant Unobservable Inputs (Level 3) [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Assets Short - term [Abstract] Cash equivalents (money market funds) Cash and Cash Equivalents, Fair Value Disclosure Derivative instruments (foreign exchange contracts) Fair Value Assets Measured On Recurring Basis Derivative Instruments Foreign Exhange Contracts This element represents a certain statement of financial position asset which includes foreign exchange contracts derivative instruments, measured at fair value on a recurring basis. Assets, Long-term [Abstract] Assets, Noncurrent [Abstract] Trading securities Trading Securities Available-for-sale investments Available-for-sale Securities Total assets measured at fair value Fair Value Assets Measured On Recurring Basis Total Assets This element represents total assets, measured at fair value on a recurring basis. Liabilities, Short-term [Abstract] Derivative instruments (foreign exchange contracts) Derivative Liability Liabilities Long-term [Abstract] Liabilities, Noncurrent [Abstract] Deferred compensation liability Fair Value Liabilities Measured On Recurring Basis Deferred Compensation Liability This element represents a certain statement of financial position liability which deferred compensation liability, measured at fair value on a recurring basis. Total liabilities measured at fair value Fair Value Liabilities Measured On Recurring Basis Total Liabilities This element represents total liabilities, measured at fair value on a recurring basis. Impairment of Investments Investments, Fair Value Disclosure [Abstract] Impairment of Investments Other than Temporary Impairment Losses, Investments NET INCOME PER SHARE Earnings Per Share [Text Block] Statement of Comprehensive Income [Abstract] Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] Unrealized gains and (losses) on derivatives reclassified to cost of products Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion Unrealized gains and (losses) on derivatives reclassified to cost of products, before tax Unrealized gains and losses on derivatives reclassified to cost of products, before tax Amount before tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss). Reclassification of (gains) and losses into earnings related to derivative instruments, tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax Unrealized gains and (losses) on derivatives reclassified to cost of products, net of tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Actuarial net loss Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax Prior service benefit Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), before Tax Actuarial net loss and prior service benefit reclassified, before tax Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, before Tax Tax on actuarial net loss and prior service benefit reclassified Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Tax Actuarial net loss and prior service benefit reclassified, net of tax Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Net of Tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS Pension and Other Postretirement Benefits Disclosure [Text Block] Schedule of Long-term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument, Name [Domain] Senior Notes 2017 Senior Notes 2017 [Member] Notes Payable with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), including current and non-current portion. Senior note holders are paid off in full before any payments are made to junior note holders. Senior Notes 2020 Senior Notes 2020 [Member] Notes Payable with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), including current and non-current portion. Senior note holders are paid off in full before any payments are made to junior note holders. Senior Notes 2022 Senior Notes 2022 [Member] Bond that takes priority over other debt securities by the issuer. In the event the issuer goes bankrupt, senior debt holders receive priority for (must receive) repayment prior to (relative to) junior and unsecured ( general) creditors. Senior Notes 2023 Senior Notes 2023 [Member] Senior Notes 2023 [Member] Debt Instrument Debt Instrument [Line Items] Long-term Debt Long-term Debt Amortized Principal Debt Instrument Net Discount Premium Amount The carry amount of debt instrument, stated principal amount of the debt instrument at time of issuance net of any unamortized premium or discount. Interest Rate Swap Interest Rate Swap Forward based contracts in which two parties agree to swap periodic payments that are fixed at the outset of the swap contract with variable payments based on a market interest rate (index rate) over a specified period recorded in debt. Carrying Value of Senior Notes Long-term Debt, Gross SHORT-TERM DEBT Short-term Debt [Text Block] Dividends [Abstract] Dividends Payable [Table] Dividends Payable [Table] Dividends [Axis] Dividends [Axis] Dividends [Domain] Dividends [Domain] Dividends Payable [Line Items] Dividends Payable [Line Items] Dividends Paid [Abstract] Dividends, Cash [Abstract] Cash paid per share for dividends previously declared Common Stock, Dividends, Per Share, Cash Paid Aggregate cash paid for dividends previously declared Payments of Ordinary Dividends, Common Stock Statement of Cash Flows [Abstract] Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by (used in) operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Share-based compensation Share-based Compensation Excess tax benefit from share-based plans Excess Tax Benefit from Share-based Compensation, Operating Activities Deferred taxes Deferred Income Tax Expense (Benefit) Excess and obsolete inventory related charges Inventory Write-down Other non-cash expenses, net Other Noncash Income (Expense) Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Inventory Increase (Decrease) in Inventories Accounts payable Increase (Decrease) in Accounts Payable Employee compensation and benefits Increase (Decrease) in Employee Related Liabilities Other assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Investments in property, plant and equipment Payments to Acquire Property, Plant, and Equipment Change in restricted cash and cash equivalents, net Increase (Decrease) in Restricted Cash Acquisitions of businesses and intangible assets, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Issuance of common stock under employee stock plans Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options Payment of dividends Payments of Ordinary Dividends Excess tax benefit from share-based plans Excess Tax Benefit from Share-based Compensation, Financing Activities Transfer of cash and cash equivalents to Keysight inc Net Transfer To Subsidiaries Net Transfer To Subsidiaries Treasury stock repurchases Payments for Repurchase of Common Stock Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate movements Effect of Exchange Rate on Cash and Cash Equivalents Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Change in cash and cash equivalents within current assets of discontinued operations Cash and Cash equivalents of discontinued operations Amount classified as cash and cash equivalents attributable to disposal group or disposed of reclassifed within current assets of discontinued operations Cash and cash equivalents at beginning of period Cash and Cash Equivalents, at Carrying Value, Including Discontinued Operations Cash and cash equivalents at end of period Separation transaction costs Separation transaction costs Separation transaction costs are costs incurred to effect the separation of the disposal group including transactions costs, informations system costs and other related costs. Transferred to Keysight Cash per separation agreement Cash per separation agreement Amount of cash Keysight will have immediately following distribution per the separation agreement Accumulated other comprehensive loss transferred to discontinued operations Accumulated other comprehensive loss transferred to discontinued operations Amount of accumulated other comprehensive loss related to pension and post-retirement benefit plans and currency translation transferred to discontinued operations Additional paid in capital transferred to discontinued operations Additional paid in capital transferred to discontinued operations Amount of additional paid in capital related to share-based compensation windfall tax benefits attributable to discontinued operations Transition Service Agreement Future transition service income Future transition service income Total amount of income expected to be received over the next 12-18 months for services rendered to discontinued operations such services as administrative, site services, information technology systems and other corporate and support services as defined in the Transition Service Agreement Future yearly lease income Future yearly lease income Amount of annual lease income expected to be received over the next 4-5 years. Transition service and lease income Transition service and lease income Amount of transition service and lease income from discontinued operations included in other income (expense), net. Over funded cash Cash and Cash Equivalents [Abstract] Agilent receivable due from Keysight Agilent receivable due from Keysight Agilent accounts receivable due from Keysight related to cash Agilent over-funded Keysight at Distribution. Finite-Lived Intangible Assets, Major Class Name [Domain] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Additions to goodwill Additions to other intangibles Indefinite-lived Intangible Assets, Period Increase (Decrease) Foreign exchange translation impact Finite-Lived Intangible Assets, Translation Adjustments In-process research and development decrease In-process research and development Increase Decrease The change during the reporting period in the carrying value of In-Process Research and Development. Amortization of intangible assets during the period Amortization of Intangible Assets Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract] Total reportable segments’ income from operations Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Business exit costs Restructuring Charges Restructuring reversal Restructuring Reserve, Accrual Adjustment Acceleration of sharebased compensation expense related to workforce reduction Acceleration of sharebased compensation expense related to workforce reduction Acceleration of sharebased compensation expense related to workforce reduction Transformational initiatives Transformational Programs The charge against earnings in the period, comprised of costs associated with restructuring activities not otherwise specified in the taxonomy that are not part of a specific plan as required by GAAP. Amortization of intangible assets Acquisition and integration costs Business Combination, Acquisition Related Costs Pre-separation costs One time and pre separation costs One time and pre separation costs Other Other Amount of an item in the reconciliation of total profit or loss from reportable segments, to the entity's consolidated income before income taxes, extraordinary items, discontinued operations. Interest income Investment Income, Interest Interest expense Interest Expense, Deposits Other income (expense), net Other Nonoperating Income (Expense) Unallocated corporate charges Unallocated corporate charges Unallocated corporate charges are overhead costs for centralized services which remain after a business disposal. Income from continuing operations before taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Long-Lived Assets [Abstract] Assets Long Lived [Abstract] Assets Long Lived [Abstract] Impairment long-lived assets held and used Impairment of Long-Lived Assets Held-for-use Impairment of long-lived assets held for sale Impairment of Long-Lived Assets to be Disposed of INVENTORY Inventory Disclosure [Text Block] Reconciliation of the numerators and denominators of the basic and diluted net income per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Long-term Debt, Unclassified [Abstract] Schedule of Long-term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument, Name [Domain] Other Long-term Debt Other Long-term Debt [Abstract] Mortgage Loans on Real Estate Mortgage Loans on Real Estate Stockholders' Equity Note [Abstract] Class of Treasury Stock [Table] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Share Repurchase Program [Domain Members] Share Repurchase Program [Domain] 2014 Share Repurchase Program 2014 Share Repurchase Program [Member] 2014 Share Repurchase Program [Member] Share Repurchase Program [Line Items] Share Repurchase Program [Line Items] Initial amount authorized Stock Repurchase Program, Authorized Amount Maintain weighted average diluted shares count Weighted average count of diluted shares The approximate number of weighted average diluted shares the new repurchase program announced on November 22, 2013, is designed to maintain. Cost to repurchases shares of common stock under share repurchase program Number of shares repurchased (in shares) Treasury Stock, Shares, Acquired Goodwill balances and movements for each reportable segments during the period Schedule of Goodwill [Table Text Block] Components of other intangibles during the period Schedule Of Other Intangible Assets By Major Class [Text Block] Disclosure of other intangibles assets, in total and by major class, including the gross carrying amount and accumulated amortization. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. Income Tax Disclosure [Abstract] Income Tax Examination [Table] Income Tax Examination [Table] Keysight Spin-off Keysight Spin-off [Member] Keysight Spin-off Income Tax Authority, Name [Axis] Income Tax Authority, Name [Axis] Income Tax Authority, Name [Domain] Income Tax Authority, Name [Domain] Internal Revenue Service (IRS) Internal Revenue Service (IRS) [Member] Income Tax Examination [Line Items] Income Tax Examination [Line Items] Effective Income Tax Rate, Percent Effective Income Tax Rate Reconciliation, Percent Income Tax Expense (Benefit) Income Tax Expense (Benefit) Net Discrete Tax Benefit Net Discrete Tax Benefit Net discrete tax benefit Income Tax Credit, Research, Amount Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount Net Discrete Tax expense Net Discrete Tax expense Net Discrete Tax expense Out of period adjustment to tax benefit Out of period adjustment to tax benefit Out of period adjustment to tax benefit Out of period adjustment to tax expense Out of period adjustment to tax expense Out of period adjustment to tax expense Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Tax liability on foreign earnings distributions Tax liability on foreign earnings distributions Tax liability on foreign earnings distributions of subsidiaries Unrecognized tax benefits, decrease resulting from error in adoption of Fin 48 Unrecognized tax benefits, decrease resulting from error in adoption of Fin 48 Unrecognized tax benefits, decrease resulting from error in adoption of Fin 48 Deferred Tax Assets, Gross Deferred Tax Assets, Gross Deferred Tax Liabilities, Gross Deferred Tax Liabilities, Gross Total income tax payable, net of income tax receivable Total income tax payable, net of income tax receivable Total amounts payable to taxing authorities for taxes that are based on the reporting entity's earnings, net of amounts receivable from taxing authorities for refunds of overpayments or recoveries of income taxes. Liability for Uncertain Tax Positions, Noncurrent Liability for Uncertain Tax Positions, Noncurrent Prepaid Taxes Prepaid Taxes Prepaid Taxes Non current prepaid taxes long term prepaid taxes long term Restructuring and Related Costs [Table Text Block] Restructuring and Related Costs [Table Text Block] Finished goods Inventory, Finished Goods, Gross Purchased parts and fabricated assemblies Inventory, Work in Process and Raw Materials Inventory GOODWILL AND OTHER INTANGIBLE ASSETS Goodwill and Intangible Assets Disclosure [Text Block] Expected number of positions to be eliminated Restructuring and Related Cost, Expected Number of Positions Eliminated Number of Employees Pending Termination Number of Employees Pending Termination The expected number of positions pending termination as a result of restructuring activities. Schedule of Restructuring and Related Costs [Table] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Workforce Reduction Employee Severance [Member] Special charges related to inventory and others Other Restructuring [Member] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] Other Comprehensive Income Location [Axis] Other Comprehensive Income Location [Axis] Other Comprehensive Income Location [Domain] Other Comprehensive Income Location [Domain] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Restructuring Reserve [Abstract] Restructuring Reserve [Abstract] Beginning balance Restructuring Reserve Income statement expense Inventory charges Restructuring Reserve, Settled without Cash Cash payments Payments for Restructuring Ending balance Defined Contribution Plan Name [Axis] Defined Contribution Plan Name [Axis] Defined Contribution Plan Amendment Defined Contribution Plan Name [Domain] Employees hired before November 1, 2014 Employees hired before November 1, 2014 [Member] Employees hired before November 1, 2014 [Member] Employees hired on or after November 1, 2014 Employees hired on or after November 1, 2014 [Member] Employees hired on or after November 1, 2014 [Member] Maximum employer match in the Agilent 401(k) plan Defined Contribution Plan, Employer Matching Contribution, Percent of Match Defined Benefit Plans Contributions Pension and Other Postretirement Benefit Contributions [Abstract] Contributions to defined benefit plans Defined Benefit Plan, Contributions by Employer Estimated future employer contributions in remainder of current fiscal year Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year Number of operating segments Number of Operating Segments Schedule of Segment Reporting Information, by Segment [Table] Segment Total Segment Total [Member] Reportable amounts associated with all reporting segments included in a reconciliation from segment reporting to consolidated income from operations, before taxes. Segment Reporting Information [Line Items] Segment Reporting Information Segment Reporting Information, Profit (Loss) [Abstract] Select Income Statement Components Income Statement [Abstract] Total net revenue Revenue, Net Income from operations Operating Income (Loss) Fair value of long term debt in excess of carrying value Fair value of long term debt in excess of carrying value Amount of fair value of long term debt in excess of carrying value. Fair Value of Financial Instruments Goodwill and Purchased Intangible Assets Goodwill and Purchased Intangible Assets [Abstract] Goodwill and Purchased Intangible Assets [Abstract] Purchased intangible assets useful life range minimum (in months) Finite Lived Intangible Assets Useful Life Minimum Months The minimum useful life of a major finite-lived intangible asset class expressed in months. A major class is composed of intangible assets that can be grouped together because they are similar either by their nature or by their use in the operations of a company. Purchased intangible assets useful life range maximum (in years) Finite Lived Intangible Assets Useful Life Maximum Years The maximum useful life of a major finite-lived intangible asset class expressed in years. A major class is composed of intangible assets that can be grouped together because they are similar either by their nature or by their use in the operations of a company. Impairment of goodwill Goodwill, Impairment Loss Impairment of intangible assets (IPR&D) Impairment of Intangible Assets (Excluding Goodwill) Net revenue Disposal Group, Including Discontinued Operation, Revenue Costs and expenses Discontinued Operations Costs and Expenses Total costs of sales and operating expenses for the period attributable to discontinued operations. Operating income (loss) Disposal Group, Including Discontinued Operation, Operating Income (Loss) Other income (expense),net Discontinued operations-Other Income (Expense)net The net amount of other income and expense amounts attributable to discontinued operations. Income (loss) from discontinued operations before tax Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax Provision (benefit) for income taxes Discontinued Operation, Tax Effect of Income (Loss) from Discontinued Operation During Phase-out Period Net income (loss) from discontinued operations STOCKHOLDERS EQUITY Stockholders' Equity Note Disclosure [Text Block] Document and Entity Information [Abstract] Document and Entity Information [Abstract] Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Document Type Amendment Flag Document Period End Date Document Period End Date Income tax expense (benefit) from discontinued operations DERIVATIVES Derivative Instruments and Hedging Activities Disclosure [Text Block] Compensation and Retirement Disclosure [Abstract] Schedule of Defined Benefit Plans Disclosures [Table] Keysight Technologies, Inc. Keysight [Member] Keysight Technologies, Inc. [Member] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plan and Other Postretirement Benefit Plan [Domain] United States defined benefit plans Non-United States defined benefit plans United States post-retirement benefit plans Defined Benefit Plan, Asset Categories [Axis] Defined Benefit Plan, Asset Categories [Axis] Plan Asset Categories [Domain] Plan Asset Categories [Domain] Equity Securities by Industry [Axis] Equity Securities by Industry [Axis] Equity Securities, Industry [Domain] Equity Securities, Industry [Domain] Equity Securities by Entity Size [Axis] Equity Securities by Entity Size [Axis] Equity Securities, Entity Size [Domain] Equity Securities, Entity Size [Domain] Equity Securities by Investment Objective [Axis] Equity Securities by Investment Objective [Axis] Equity Securities, Investment Objective [Domain] Equity Securities, Investment Objective [Domain] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Defined Benefit Plan Disclosure [Line Items] Fair value of plan assets transferred to Keysight Defined Benefit Plan, Fair Value of Plan Assets Benefit obligation transferred to Keysight Defined Benefit Plan, Benefit Obligation Derivative [Table] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Instruments, Gain (Loss) by Income Statement Location [Axis] Income Statement and Other Comprehensive Income (Loss) Location [Domain] Hedging Relationship [Axis] Hedging Relationship [Domain] Derivative [Line Items] Terminated Interest Rate Swaps Interest Rate Derivatives [Abstract] Number of Interest Rate Swap Contracts Designated as Fair Value Hedges Terminated (in units) Number of Interest Rate Swap Contracts Designated as Fair Value Hedges Terminated Number of interest rate derivative instruments held by the entity at the reporting date. Notional Amount of Terminated Interest Rate Swaps Notional Amount Of Terminated Interest Rate Fair Value Hedge Derivatives Aggregate notional amount of all interest rate derivatives designated as hedging instruments in fair value hedges that were terminated. Notional amount refers to the monetary amount specified in the interest rate derivative contract. Amount to be amortized on terminated interest rates swaps Terminated Interest Rate Fair Value Hedge Asset Unamortized Amount The unamortized amount of interest rate swap contracts upon termination. Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Derivative Instruments and Hedging Activities Disclosure Derivative Instrument Detail [Abstract] Notional Amount of Interest Rate Swap Contract Designated as Cash Flow Hedges Amount to be amortized on terminated cash flow hedge Terminated cash flow flow hedge asset unamortized amount Terminated cash flow hedge asset unamortized amount Aggregate Fair Value of all Derivative Instruments with Credit-Risk-Related Contingent Features that were in a Net Liability Position Derivative, Net Liability Position, Aggregate Fair Value Debt Instrument, Face Amount Debt Instrument, Face Amount Extinguishment of Debt, Amount Extinguishment of Debt, Amount Derivative Contracts [Abstract] Derivative Contracts [Abstract] Foreign exchange forward contracts designated as cash flow hedge (in units) Number Of Foreign Exchange Forward Contracts Designated As Cash Flow Hedge Number of foreign currency exchange forward contract derivatives held by the entity at the reporting date and designated as cash flow hedges. Foreign exchange option contracts designated as cash flow hedge (in units) Number Of Foreign Exchange Option Contracts Designated As Cash Flow Hedge Number of foreign currency exchange option contract derivatives held by the entity at the reporting date and designated as cash flow hedges. Foreign exchange forward contracts not designated as hedges (in units) Number Of Foreign Exchange Forward Contracts Not Designated As Hedges Number of foreign currency exchange forward contract derivatives held by the entity at the reporting date and not designated as hedges. Movement in Standard Product Warranty Accrual [Roll Forward] Beginning balance at beginning of period Standard Product Warranty Accrual Accruals for warranties including change in estimate Standard Product Warranty Accrual, Warranties Issued Settlements made during the period Standard Product Warranty Accrual, Payments Ending balance at end of period Standard Product Warranty Disclosure [Abstract] Accruals for warranties due within one year Standard Product Warranty Accrual, Current Accruals for warranties due after one year Standard Product Warranty Accrual, Noncurrent Schedule of Segment Reporting Information, by Segment [Table] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Segment Reporting Information [Line Items] Assets Fair value of plan assets and benefit obligation transferred to Keysight Fair value of plan assets and Benefit obligation transferred to Keysight [Table Text Block] Fair value of plan assets and Benefit obligation transferred to Keysight in connection with the separation Schedule of net pension and post-retirement benefit costs Schedule of Defined Benefit Plans Disclosures [Table Text Block] Schedule of Short-term Debt [Table] Interest Rate Swap On Senior Notes [Axis] Interest Rate Swap On Senior Notes [Axis] Pertinent information about each long-term debt arrangement including the carrying amount as of the balance sheet date, by type of long-term debt. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer. Interest Rate Swap On Senior Notes [Domain] Interest Rate Swap On Senior Notes [Domain] Type of long-term debt arrangement, such as notes, line of credit, commercial paper, asset-based financing, project financing, letter of credit financing. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer. Short-term Debt, Type [Axis] Short-term Debt, Type [Axis] Short-term Debt, Type [Domain] Short-term Debt, Type [Domain] Short-term Debt [Line Items] Short-term Debt [Line Items] Other comprehensive income (loss), tax, parenthetical disclosures [Abstract] Other Comprehensive Income (Loss), Tax, Parenthetical Disclosures [Abstract] Unrealized loss on investments,tax Other Comprehensive Income (Loss), Available-for-sale Securities, Tax Unrealized gain (loss) on derivative instruments, tax Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Amounts reclassified into earnings related to derivative instruments, tax Foreign currency translation, tax Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax Net defined benefit pension cost and post retirement plan costs, tax [Abstract] Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax [Abstract] Change in actuarial net loss, tax Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Tax Change in net prior service benefit, tax Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), Tax Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Unrealized loss on investments, net of tax benefit of $0 and $1 Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Unrealized gain (loss) on derivative instruments, net of tax (expense) benefit of $(3) and $1 Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Amounts reclassified into earnings related to derivative instruments, net of tax (expense) benefit of $1 and $(1) Other Comprehensive Income Reclassification Adjustment Derivatives Included In Net Income net Tax Post tax reclassification adjustment for accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges included in accumulated comprehensive income that was realized in net income during the period. A cash flow hedge is a hedge of the exposure to variability in the cash flows of a recognized asset or liability or a forecasted transaction that is attributable to a particular risk. Foreign currency translation, net of tax benefit of $6 and $5 Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Net defined benefit pension cost and post retirement plan costs: Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax [Abstract] Change in actuarial net loss, net of tax expense of $(2) and $(4) Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Net of Tax Change in net prior service benefit, net of tax benefit of $2 and $4 Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost (Credit) Arising During Period, Net of Tax Other comprehensive loss Other Comprehensive Income (Loss), Net of Tax Total comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Future amortization expense for remainder of 2015 Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year Future amortization expense for 2016 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Future amortization expense for 2017 Finite-Lived Intangible Assets, Amortization Expense, Year Two Future amortization expense for 2018 Finite-Lived Intangible Assets, Amortization Expense, Year Three Future amortization expense for 2019 Finite-Lived Intangible Assets, Amortization Expense, Year Four Future amortization expense for 2020 Finite-Lived Intangible Assets, Amortization Expense, Year Five Future amortization thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Allocated Share-based compensation expense disclosure Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Share-based compensation arrangement by share-based payment award fair value assumptions and methodology schedule Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions And Methodology [Text Block] Disclosure of components of a stock option or other award plan under which share-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from share-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from share-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate. Aggregated notional amounts by currency and designation Schedule of Derivative Instruments [Table Text Block] Gross fair values and balance sheet location of derivative instruments held in the consolidated balance sheet Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Effect of derivative instruments for foreign exchange contracts in the consolidated statement of operations Derivative Instruments, Gain (Loss) [Table Text Block] Net revenue [Abstract] Revenues [Abstract] Products Sales Revenue, Goods, Net Services and other Services And Other Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts, combined with revenues from the sale of other goods or rendering of other services, not elsewhere specified in the taxonomy; net of (reduced by) sales adjustments, returns, allowances, and discounts. Total net revenue Costs and expenses: Costs and Expenses [Abstract] Cost of products Cost of Goods Sold Cost of services and other Cost Of Services And Other Total costs related to services rendered by an entity during the reporting period, combined with the other costs incurred during the reporting period related to other revenue generating activities. Total costs Cost of Revenue Research and development Research and Development Expense Selling, general and administrative Selling, General and Administrative Expense Total costs and expenses Costs and Expenses Income from operations Interest expense Interest Expense Other income (expense), net Provision (benefit) for income taxes Income from continuing operations Income (loss) from discontinued operations (net of tax expense (benefit) of $(2) million and $20 million) Net income Net income per share - basic Earnings Per Share, Basic [Abstract] Income from continuing operations Income (Loss) from Continuing Operations, Per Basic Share Income (loss) from discontinued operations Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Net income per share - basic Earnings Per Share, Basic Net income per share - diluted Earnings Per Share, Diluted [Abstract] Income from continuing operations Income (Loss) from Continuing Operations, Per Diluted Share Income (loss) from discontinued operations Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Net income per share - diluted Earnings Per Share, Diluted Weighted average shares used in computing net income per share: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic (in shares) Diluted (in shares) Cash dividends declared per common share Common Stock, Dividends, Per Share, Declared Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] INCOME TAXES Income Tax Disclosure [Text Block] Beginning balance Other Comprehensive (Income) Loss, Available for Sale Securities Adjustment, Net of Tax, Transferred to Keysight Other Comprehensive (Income) Loss, Available for Sale Securities Adjustment, Net of Tax, Transferred to Keysight Other Comprehensive (Income) Loss, Available for Sale Securities Adjustment, Net of Tax, Transferred to Keysight Other comprehensive (income) loss, net of tax, transfer to Keysight Other comprehensive (income) loss, net of tax, transfer to Keysight Other comprehensive (income) loss, net of tax, transfer to Keysight Other comprehensive income (loss) before reclassifications Other Comprehensive Income (Loss), before Tax Amounts reclassified out of accumulated other comprehensive income Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Tax (expense) benefit Other Comprehensive Income (Loss), Tax Other comprehensive income (loss) Ending balance Unrealized gain on investments [Abstract] Unrealized Gain (Loss) on Investments [Abstract] Beginning balance Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Other comprehensive income (loss) before reclassifications Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax Tax (expense) benefit Other comprehensive income (loss) Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Ending balance Foreign currency translation [Abstract] Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent [Abstract] Beginning balance Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Other Comprehensive (Income) Loss, Foreign Currency Translation, Net of tax, Transfer to Keysight Other Comprehensive (Income) Loss, Foreign Currency Translation, Net of tax, Transfer to Keysight Other Comprehensive (Income) Loss, Foreign Currency Translation, Net of tax, Transfer to Keysight Other comprehensive income (loss) before reclassifications Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Amounts reclassified out of accumulated other comprehensive income Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax Tax (expense) benefit Other comprehensive income (loss) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Ending balance Prior service credits [Abstract] Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss), Net Prior Service Cost (Credit), before Tax [Abstract] Beginning balance Defined Benefit Plan, Accumulated Other Comprehensive Income Net Prior Service Cost (Credit), after Tax Other Comprehensive (Income) Loss, Pension and Other Post Retirement Benefit Plans, Net Prior Service Cost (Benefit ), Net of tax, Transfer to Keysight Other Comprehensive (Income) Loss, Pension and Other Post Retirement Benefit Plans, Net Prior Service Cost (Benefit ), Net of tax, Transfer to Keysight Other Comprehensive (Income) Loss, Pension and Other Post Retirement Benefit Plans, Net Prior Service Cost (Benefit ), Net of tax, Transfer to Keysight Other comprehensive income (loss) before reclassifications Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost (Credit) Arising During Period, before Tax Amounts reclassified out of accumulated other comprehensive income Tax (expense) benefit Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost (Credit), Tax Other comprehensive income (loss) Ending balance Actuarial Losses [Abstract] Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss), Net Actuarial Gain (Loss), before Tax [Abstract] Beginning balance Defined Benefit Plan, Accumulated Other Comprehensive Income Net Gains (Losses), after Tax Other Comprehensive (Income) Loss, Pension and other Post Retirement Benefit Plan, Net unrealized (gain) loss, net of tax, transfer to Keysight Other Comprehensive (Income) Loss, Pension and other Post Retirement Benefit Plan, Net unrealized gain (loss), net of tax, transfer to Keysight Other Comprehensive (Income) Loss, Pension and other Post Retirement Benefit Plan, Net unrealized gain (loss), net of tax, transfer to Keysight Other comprehensive income (loss) before reclassifications Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax Amounts reclassified out of accumulated other comprehensive income Tax (expense) benefit Other Comprehensive Income (loss) pension and other post retirement benefit plans, amortization of net loss, tax Other Comprehensive Income (loss) pension and other post retirement benefit plans, amortization of net loss, tax Other comprehensive income (loss) Ending balance Unrealized gains (losses) on derivatives [Abstract] Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax [Abstract] Beginning balance Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Other comprehensive (Income) Loss, Derivatives qualifying as hedges, net of tax, transfer to Keysight Other comprehensive (Income) Loss, Derivatives qualifying as hedges, net of tax, transfer to Keysight Other comprehensive (Income) Loss, Derivatives qualifying as hedges, net of tax, transfer to Keysight Other comprehensive income (loss) before reclassifications Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax Tax (expense) benefit Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax Other comprehensive income (loss) Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Parent Ending balance Discontinued Operations Disclosure Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] SHARE-BASED COMPENSATION Disclosure of Compensation Related Costs, Share-based Payments [Text Block]