Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Building Building [Member] Machinery and Equipment Machinery and Equipment [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum [Member] Maximum [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Land Land Buildings Buildings and Improvements, Gross Machinery, equipment and fixtures Machinery and Equipment, Gross Property, Plant and Equipment, Other, Gross Property, Plant and Equipment, Other, Gross Construction-in-progress Construction in Progress, Gross Property, Plant and Equipment, Gross Property, Plant and Equipment, Gross Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property, Plant and Equipment, Net Property, Plant and Equipment, Net Property, Plant and Equipment, Useful Life Property, Plant and Equipment, Useful Life Depreciation Depreciation Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative [Table] Derivative [Table] Majority Majority [Member] Majority [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract Type [Domain] Derivative Contract [Domain] Foreign Exchange Contract Foreign Exchange Forward [Member] Foreign Exchange Contract Foreign Exchange Contract [Member] Derivative [Line Items] Derivative [Line Items] Derivative, Notional Amount Derivative, Notional Amount Derivative, Term of Contract Derivative, Term of Contract Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] 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] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Unrecognized compensation costs Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Unrecognized compensation costs, period for recognition Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Outstanding, December 31, 2012 (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Outstanding, June 30, 2013 (in shares) Exercisable, December 31, 2014 Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Weighted-average Exercise Price Per Share Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Outstanding, December 31, 2012 (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Forfeited (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Outstanding, June 30, 2013 (in dollars per share) Outstanding, Weighted-average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Outstanding, Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Vested and expected to vest, Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Weighted-average grant date fair value per stock option Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Deferred Stock Units (DSUs) Deferred Stock Units (DSUs) [Member] Deferred Stock Units (DSUs) [Member] Pfizer Stock Benefit Plans Pfizer Stock Benefit Plans [Member] Pfizer Stock Benefit Plans [Member] Other Equity-Based or Cash-Based Awards Other Equity-Based or Cash-Based Awards [Member] Other Equity-Based or Cash-Based Awards [Member] Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Exercise price percentage of the fair market value price at date of grant Share-based Compensation Arrangement by Share-based Payment Award, Exercise Price Percentage of the Fair Market Value Price at Date of Grant Share-based Compensation Arrangement by Share-based Payment Award, Exercise Price Percentage of the Fair Market Value Price at Date of Grant Contractual term Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Maximum annual payment made to plan participant Share-based Compensation Arrangement by Share-based Payment Award, Maximum Value of Payment Made to Plan Participant Share-based Compensation Arrangement by Share-based Payment Award, Maximum Value of Payment Made to Plan Participant Award vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Additional expense of accelerated vesting of the outstanding Pfizer stock options, and the settlement Share Based Compensation Arrangement By Share Based Payment Award Accelerated Vesting Additional Expense Share Based Compensation Arrangement By Share Based Payment Award Accelerated Vesting Additional Expense Cash payment next quarter Share Based Compensation Arrangement By Share Based Payment Award Cash Payment Related to Unvested Forfeited Awards Share Based Compensation Arrangement By Share Based Payment Award Cash Payment Related to Unvested Forfeited Awards Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization Nature of Operations [Text Block] Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Types Of Joint Venture [Axis] Types Of Joint Venture [Axis] Types Of Joint Venture [Axis] Types Of Joint Venture [Domain] Types Of Joint Venture [Domain] Types Of Joint Venture [Domain] Jilin Pfizer Guoyuan Animal Health Co Ltd Jilin Pfizer Guoyuan Animal Health Co Ltd [Member] Jilin Pfizer Guoyuan Animal Health Co., Ltd. [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Cost of Sales Cost of Sales [Member] Other Nonoperating Income (Expense) [Member] Other Nonoperating Income (Expense) [Member] Significant Acquisitions and Disposals by Transaction [Axis] Significant Acquisitions and Disposals by Transaction [Axis] Significant Acquisitions and Disposals, Transaction [Domain] Significant Acquisitions and Disposals, Transaction [Domain] Wyeth Wyeth [Member] Wyeth [Member] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] Europe Europe [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] King King [Member] King [Member] King Animal Health King Animal Health [Member] King Animal Health [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Gain (Loss) on Disposition of Assets Gain (Loss) on Disposition of Assets Service Management Costs Service Management Costs Proceeds from Sale of Intangible Assets Proceeds from Sale of Intangible Assets Payments to Acquire Interest in Joint Venture Payments to Acquire Interest in Joint Venture Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Goodwill Goodwill BusinessAcquisitionCostOfAcquiredEntityCashPaidPerShare BusinessAcquisitionCostOfAcquiredEntityCashPaidPerShare Business Acquisition Cost Of Acquired Entity Cash Paid Per Share Business Acquisition Acquired Entity Common Shares Percent Business Acquisition Acquired Entity Common Shares Percent Represents the percent of common shares acquired. Business Combination, Consideration Transferred Business Combination, Consideration Transferred Payments to Acquire Businesses, Net of Cash Acquired Payments to Acquire Businesses, Net of Cash Acquired Commitments and Contingencies Disclosure [Abstract] Loss Contingencies [Table] Loss Contingencies [Table] Asset Class [Axis] Asset Class [Axis] Asset Class [Domain] Asset Class [Domain] Other Fixed Assets [Member] Other Fixed Assets [Member] Other Fixed Assets [Member] Land, Buildings and Improvements Land, Buildings and Improvements [Member] Currency [Axis] Currency [Axis] All Currencies [Domain] All Currencies [Domain] Brazil, Brazil Real Brazil, Brazil Real Loss Contingencies [Line Items] Loss Contingencies [Line Items] Rental Income, Nonoperating Rental Income, Nonoperating Operating Leases, Future Minimum Payments Due, Next Twelve Months Operating Leases, Future Minimum Payments Due, Next Twelve Months Penalties Rate Penalties Rate Penalties Rate Capital Lease Interest Rates Capital Lease Interest Rates Capital Lease Interest Rates Operating Leases, Rent Expense, Net Operating Leases, Rent Expense, Net Operating Leases, Future Minimum Payments, Due in Two Years Operating Leases, Future Minimum Payments, Due in Two Years Operating Leases, Future Minimum Payments, Due in Three Years Operating Leases, Future Minimum Payments, Due in Three Years Operating Leases, Future Minimum Payments, Due in Four Years Operating Leases, Future Minimum Payments, Due in Four Years Operating Leases, Future Minimum Payments, Due in Five Years Operating Leases, Future Minimum Payments, Due in Five Years Operating Leases, Future Minimum Payments, Due Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Operating Leases, Future Minimum Payments Due Operating Leases, Future Minimum Payments Due Receivables [Abstract] Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Stockholders' Equity Attributable to Parent [Abstract] Stockholders' Equity Note Disclosure [Text Block] Stockholders' Equity Note Disclosure [Text Block] Stock Repurchase Program, Authorized Amount Stock Repurchase Program, Authorized Amount Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Litigation Case [Axis] Litigation Case [Axis] Litigation Case [Domain] Litigation Case [Domain] Intellectual Property Intellectual Property [Member] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] In Process Research and Development [Member] In Process Research and Development [Member] ProductRights [Member] ProductRights [Member] Product Rights [Member] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Employee Severance [Member] Employee Severance [Member] MEXICO MEXICO NETHERLANDS NETHERLANDS Other International Countries Other International Countries [Member] Other International Countries [Member] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] United States (U.S.) UNITED STATES Certain Significant Items Certain Significant Items [Member] Certain significant items [Member] Europe, Africa, and Middle East (EuAfME) Europe, Africa, Middle East [Member] Europe, Africa, Middle East [Member] Manufacturing, Research, Corporate [Member] Manufacturing, Research, Corporate [Member] Manufacturing, Research, Corporate [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Revenues denominated in Euros Revenue Denominated in Foreign Currency Revenue Denominated in Foreign Currency Restructuring charges Restructuring Charges Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) Investor Related Costs Investor Related Costs Investor Related Costs Stand-up costs Stand Up Costs Stand Up Costs Restructuring Costs and Asset Impairment Charges Restructuring Costs and Asset Impairment Charges Asset write-offs and asset impairments Asset Impairment Charges Inventory Write-down Inventory Write-down Charges for manufacturing services agreements associated with divestitures change in estimate Charges For Manufacturing Services Agreements Associated With Divestitures Change in Estimate Charges For Manufacturing Services Agreements Associated With Divestitures Change in Estimate Restructuring and implementation costs Restructuring And Implementation Costs Restructuring And Implementation Costs Additional depreciation asset restructuring Restructuring and Related Cost, Accelerated Depreciation Dedicated Pension Plans, Settlement Charge for Contract Termination Dedicated Pension Plans, Settlement Charge for Contract Termination Dedicated Pension Plans, Settlement Charge for Contract Termination Inventory and Intercompany Write Offs After Separation Inventory and Intercompany Write Offs After Separation Inventory and Intercompany Write Offs After Separation Gain (loss) related to litigation settlement Gain (Loss) Related to Litigation Settlement Insurance Recoveries Insurance Recoveries Revenues Revenues Percentage Of Total Revenues By Country Percentage Of Total Revenues By Country Percentage of Total Revenues, by Country Revenue By Major Customer, Percentage Revenue By Major Customer, Percentage Revenue By Major Customer, Percentage Income Tax Disclosure [Abstract] Taxes on income [Table] Taxes on income [Table] Taxes on income [Table] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Internal Revenue Service (IRS) Internal Revenue Service (IRS) [Member] Various Foreign Country Tax Authorities Foreign Tax Authority [Member] International International [Member] International [Member] Taxes on Income [Line Items] Taxes on income [Line Items] [Line Items] for Taxes on income [Table] Deferred Income Tax Liability On Undistributed Earnings Not Reinvested Amount Tax Expense On Undistributed Earnings Not Reinvested Amount Tax Expense On Undistributed Earnings Not Reinvested Amount Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Current Federal Tax Expense (Benefit) Current Federal Tax Expense (Benefit) Current State and Local Tax Expense (Benefit) Current State and Local Tax Expense (Benefit) Deferred Federal Income Tax Expense (Benefit) Deferred Federal Income Tax Expense (Benefit) Deferred State and Local Income Tax Expense (Benefit) Deferred State and Local Income Tax Expense (Benefit) Current Foreign Tax Expense (Benefit) Current Foreign Tax Expense (Benefit) Deferred Foreign Income Tax Expense (Benefit) Deferred Foreign Income Tax Expense (Benefit) Foreign Income Tax Expense (Benefit), Continuing Operations Foreign Income Tax Expense (Benefit), Continuing Operations Income Tax Expense (Benefit) Income Tax Expense (Benefit) Valuation Allowance, Deferred Tax Asset, Change in Amount Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Tax Adjustments, Settlements, and Unusual Provisions Tax Adjustments, Settlements, and Unusual Provisions Deferred Tax Liabilities, Undistributed Foreign Earnings Deferred Tax Liabilities, Undistributed Foreign Earnings Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Effective Income Tax Rate Reconciliation, Other Adjustments, Amount U.S. statutory income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent State and local taxes, net of federal benefits Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Taxation of non-U.S. operations(a)(b) Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Unrecognized tax benefits and tax settlements and resolution of certain tax positions(c) Unrecognized Tax Benefits And Tax Settlements And Resolution Of Certain Tax Positions Unrecognized Tax Benefits And Tax Settlements And Resolution Of Certain Tax Positions U.S. healthcare legislation(d) Effective Income Tax Rate Reconciliation Legislation The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to U.S. healthcare legislation. U.S. Research and Development Tax Credit and U.S. Domestic Production Activities deduction(e) Effective Income Tax Rate Reconciliation, Tax Credit, Percent Non-deductible / non-taxable items(f) Effective Income Tax Rate Reconciliation Nondeductible Items Effective Income Tax Rate Reconciliation Nondeductible Items All other—net Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Effective tax rate Effective Income Tax Rate Reconciliation, Percent Quarterly Financial Information Disclosure [Abstract] Weighted-average common shares outstanding Weighted Average Number of Shares Outstanding, Basic Revenue, Net Revenue, Net Costs and Expenses Costs and Expenses Restructuring charges and certain acquisition-related costs Restructuring Charges And Acquisition Related Costs This element represents (i) restructuring charges, which are amounts charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a program that is planned and controlled by management, and materially changes either the scope of a business undertaken by an entity, or the manner in which that business is conducted; and (ii) acquisition-related costs, which are costs incurred to effect a business combination which costs have been expensed during the period. Such costs can include transaction costs such as banking, legal, accounting and other costs directly related to effect a business combination as well as external, incremental costs of integration planning that are directly related to a business combination, including costs associated with preparing for systems and other integration activities. Provision for taxes on income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income/(loss) attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Net Income (Loss) Attributable to Parent Net Income (Loss) Attributable to Parent Earnings Per Share, Basic Earnings Per Share, Basic Diluted (in dollars per share) Earnings Per Share, Diluted Acquisitions and Divestitures [Abstract] Acquisitions and Divestitures [Abstract] Acquisition And Divestiture Activities [Text Block] Acquisition And Divestiture Activities [Text Block] Acquisition And Divestiture Activities [Text Block] Defined Benefit Plan, Assumptions Used in Calculations [Abstract] Weighted average assumptions used to determine benefit obligations: [Abstract] Weighted average assumptions used to determine benefit obligations: [Abstract] Weighted average assumptions used to determine benefit obligations: [Abstract] Discount rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Rate of compensation increase Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase Weighted average assumptions used to determine net benefit cost for the year ended December 31: Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] Discount rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Expected return on plan assets Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets Rate of compensation increase Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Other Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Share-based compensation expense—direct Allocated Share-based Compensation Expense Share-based compensation expense—indirect Allocated Share-based Compensation Expense, Allocated from Parent Company Allocated Share-based Compensation Expense, Allocated from Parent Company Share-based compensation expense—total Allocated Share-based Compensation Expense, Direct and Indirect Expense Allocated Share-based Compensation Expense, Direct and Indirect Expense Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Allocated Share-based Compensation Expense, Net of Tax Allocated Share-based Compensation Expense, Net of Tax Earnings Per Share [Abstract] Numerator Earnings Per Share, Basic [Abstract] Net income before allocation to noncontrolling interests Net income attributable to Zoetis Inc. Denominator Earnings Per Share, Diluted [Abstract] Common stock equivalents: stock options, RSUs and DSUs Weighted Average Number Diluted Shares Outstanding Adjustment Weighted-average common and potential dilutive shares outstanding Weighted Average Number of Shares Outstanding, Diluted Earnings per share attributable to Zoetis stockholders—diluted (in dollars per share) Other Income and Expenses [Abstract] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Other Income Expense Net [Member] Other Income Expense Net [Member] Other Income Expense Net [Member] TAIWAN, PROVINCE OF CHINA TAIWAN, PROVINCE OF CHINA ArgentinaAndChina [Member] ArgentinaAndChina [Member] ArgentinaAndChina [Member] VENEZUELA VENEZUELA Other Litigation Other Litigation [Member] Other Litigation [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Developed Technology Rights Developed Technology Rights [Member] Patented Technology Trademarks [Member] Patented Technology Patented Technology [Member] Technology-Based Intangible Assets Technology-Based Intangible Assets [Member] Genetic Testing Services Genetic Testing Services [Member] Genetic Testing Services [Member] Other Income Deductions Other Income Deductions [Line Items] Other Income Deductions [Line Items] Royalty-related income Royalty Revenue Identifiable intangible asset impairment charges(a) Impairment of Intangible Assets (Excluding Goodwill) Net gain on sale of assets(b) Litigation Settlement, Expense Litigation Settlement, Expense Gain (Loss) Related to Litigation Settlement Foreign currency (gain)/loss(d) Foreign Currency Transaction Gain (Loss), before Tax Other, net(e) Other Nonoperating Income (Expense) Nonoperating Income (Expense) Nonoperating Income (Expense) Other Increase (Decrease) in Environmental Liabilities Other Increase (Decrease) in Environmental Liabilities Schedule of Indefinite-lived and Finite-lived Intangible Assets [Table] Schedule Of Indefinitelived And Finitelived Intangible Assets [Table] Schedule of Indefinite-lived and Finite-lived Intangible Assets [Table] Brands Brands [Member] Brands [Member] Trademarks and Trade Names Trademarks and Trade Names [Member] Other Intangible Assets Other Intangible Assets [Member] Indefinite-lived Intangible Assets by Major Class [Axis] Finite Lived and Indefinite Lived Intangible Assets [Line Items] Finite Lived And Indefinite Lived Intangible Assets [Line Items] Finite Lived and Indefinite Lived Intangible Assets [Line Items] Finite-Lived Intangible Asset, Useful Life Finite-Lived Intangible Asset, Useful Life Amortization of Intangible Assets Amortization of Intangible Assets Finite-lived intangible assets, Gross Carrying Amount Finite-Lived Intangible Assets, Gross Finite-lived intangible assets, Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Finite-lived intangible assets, Identifiable Intangible Assets, Less Accumulated Amortization Finite-Lived Intangible Assets, Net Indefinite-Lived Intangible Assets (Excluding Goodwill) Indefinite-Lived Intangible Assets (Excluding Goodwill) Intangible Assets, Gross Carrying Amount Intangible Assets, Gross (Excluding Goodwill) Identifiable Intangible Assets, Less Accumulated Amortization Intangible Assets, Net (Excluding Goodwill) Finite-Lived Intangible Assets, Amortization Expense, Year One Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Finite-Lived Intangible Assets, Amortization Expense, Year Two Finite-Lived Intangible Assets, Amortization Expense, Year Two Finite-Lived Intangible Assets, Amortization Expense, Year Three Finite-Lived Intangible Assets, Amortization Expense, Year Three Finite-Lived Intangible Assets, Amortization Expense, Year Four Finite-Lived Intangible Assets, Amortization Expense, Year Four Finite-Lived Intangible Assets, Amortization Expense, Year Five Finite-Lived Intangible Assets, Amortization Expense, Year Five Long-term Purchase Commitment, Amount Long-term Purchase Commitment, Amount Accounting Policies [Abstract] Use of Estimates, Policy [Policy Text Block] Use of Estimates, Policy [Policy Text Block] Business Combinations and Other Purchase of Business Transactions, Policy [Policy Text Block] Business Combinations and Other Purchase of Business Transactions, Policy [Policy Text Block] Foreign Currency Transactions and Translations Policy [Policy Text Block] Foreign Currency Transactions and Translations Policy [Policy Text Block] Revenue Recognition, Policy [Policy Text Block] Revenue Recognition, Policy [Policy Text Block] Inventory, Policy [Policy Text Block] Inventory, Policy [Policy Text Block] Selling, General and Administrative Expenses, Policy [Policy Text Block] Selling, General and Administrative Expenses, Policy [Policy Text Block] Research and Development Expense, Policy [Policy Text Block] Research and Development Expense, Policy [Policy Text Block] Amortization Of Intangible Assets Depreciation And Certain Long Lived Assets Policy [Text Block] Amortization Of Intangible Assets Depreciation And Certain Long Lived Assets Policy [Text Block] Describes an entity's accounting policy for goodwill and intangible assets, finite-lived intangible assets and property, plant and equipment. In relation to goodwill and intangible assets, this accounting policy also may address how an entity assesses and measures impairment of goodwill and intangible assets. In relation to finite-lived intangible assets, this accounting policy also may address: (1) the amortization method used (2) the useful lives of such assets (3) how the entity assesses and measures impairment of such assets. In relation to property, plant and equipment this accounting policy may include the basis of such assets, depreciation methods used and estimated useful lives, the entity's capitalization policy, including its accounting treatment for costs incurred for repairs and maintenance activities, whether such asset balances include capitalized interest and the method by which such is calculated, how disposals of such assets are accounted for and how impairment of such assets is assessed and recognized. Costs Associated with Exit or Disposal Activities or Restructurings, Policy [Policy Text Block] Internal Use Software, Policy [Policy Text Block] Costs Associated with Exit or Disposal Activities or Restructurings, Policy [Policy Text Block] Costs Associated with Exit or Disposal Activities or Restructurings, Policy [Policy Text Block] Earnings Per Share, Policy [Policy Text Block] Earnings Per Share, Policy [Policy Text Block] Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents, Policy [Policy Text Block] Fair Value Fair Value Measurement, Policy [Policy Text Block] Trade and Other Accounts Receivable, Policy [Policy Text Block] Trade and Other Accounts Receivable, Policy [Policy Text Block] Income Tax, Policy [Policy Text Block] Income Tax, Policy [Policy Text Block] Pension and Other Postretirement Plans, Policy [Policy Text Block] Pension and Other Postretirement Plans, Policy [Policy Text Block] Asset Retirement Obligations, Policy [Policy Text Block] Asset Retirement Obligations, Policy [Policy Text Block] Commitments and Contingencies, Policy [Policy Text Block] Commitments and Contingencies, Policy [Policy Text Block] Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Business Unit Equity Policy [Text Block] Business Unit Equity Policy [Text Block] Business Unit Equity Policy [Text Block] Reclassification, Policy [Policy Text Block] Reclassification, Policy [Policy Text Block] Property, Plant and Equipment [Table Text Block] Property, Plant and Equipment [Table Text Block] Significant Accounting Policies Significant Accounting Policies [Text Block] Components of Other (Income)/Deductions—Net Schedule of Other Operating Cost and Expense, by Component [Table Text Block] Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Schedule Of Components Of Provision For Income Taxes Table [Text Block] Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Expected dividend yield(a) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Risk-free interest rate(b) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Expected stock price volatility(c) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Expected term(d) (years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Components of Share-based Compensation Expense Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] Share-based Payment Awards, Stock Options, Valuation Assumptions Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Stock Option Activity Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Restricted Stock Units (RSUs) Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Schedule of Stock by Class [Table Text Block] Schedule of Stock by Class [Table Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Deferred Tax Liabiilty, Noncurrent Deferred Tax Liabiilty, Noncurrent [Member] Deferred Tax Liabiilty, Noncurrent [Member] Deferred Tax Assets, Current Deferred Tax Assets, Current [Member] Deferred Tax Assets, Current [Member] Noncurrent Deferred Tax Assets Noncurrent Deferred Tax Assets [Member] Noncurrent Deferred Tax Assets [Member] Other Current Liabilities Other Current Liabilities [Member] Deferred Tax Asset Temporary Differences Prepaid Deferred Items Deferred Tax Asset Temporary Differences Prepaid Deferred Items Deferred Tax Asset Temporary Differences Prepaid Deferred Items Deferred Tax Assets, Inventory Deferred Tax Assets, Inventory Deferred Tax Liabilities, Intangible Assets Deferred Tax Liabilities, Intangible Assets Deferred Tax Liabilities, Property, 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of Quarterly Financial Information [Table Text Block] Schedule of Quarterly Financial Information [Table Text Block] Sales Revenue, Segment [Member] Sales Revenue, Segment [Member] Income Before Taxes [Member] Income Before Taxes [Member] Income Before Taxes [Member] Subsegments [Axis] Subsegments [Axis] Subsegments [Domain] Subsegments [Domain] Canada and Latin America (CLAR) Reportable Segment Reportable Segment [Member] ReportableSegment [Member] Other business activities Other Segments [Member] Corporate Corporate Segment [Member] Purchase accounting adjustments Purchase Accounting Adjustments [Member] Purchase Accounting Adjustments [Member] Acquisition-related costs Acquisition-related Costs [Member] Other unallocated Segment Reconciling Items [Member] Prior Period Reclassification Adjustment Prior Period Reclassification Adjustment Number of operating segments Number of Operating Segments Earnings Depreciation and Amortization Depreciation, Depletion and Amortization Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Asset Impairments [Member] Asset Impairments [Member] Asset impairments [Member] Accelerated Depreciation [Member] Accelerated Depreciation [Member] Accelerated Depreciation [Member] Exit Costs [Member] Other Restructuring [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Balance, December 31, Restructuring Reserve Provision/(Benefit) Utilization and other(a) Restructuring Reserve, Utilization And Other Adjustment to restructuring reserve resulting from utilization and foreign currency translation. Non-Cash Activity Other Restructuring Costs Separation adjustment(b) Restructuring Reserve, Accrual Adjustment Balance, December 31, Restructuring Reserve, Current Restructuring Reserve, Current Restructuring Reserve, Noncurrent Restructuring Reserve, Noncurrent Document Document and Entity Information [Abstract] Document - Document and Entity Information [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Public Float Entity Public Float Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Nonvested, December 31, 2012 (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Vested (in shares) Reinvested dividend equivalents (in shares) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Reinvested Dividend Equivalents In Period The number of shares under a share-based award plan other than a stock option plan that represents reinvested dividend equivalents. A dividend reinvestment equivalent allows the holder of the stock to reinvest dividends paid to them by the entity on new issues of stock by the entity. Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Nonvested, June 30, 2013 (in shares) Weighted Average Grant Date Fair Value Per Share Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Nonvested, December 31, 2012 (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted (in dollars per share) Vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Reinvested dividend equivalents (in dollars per share) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Reinvested Dividend Equivalents Weighted Average Grant Date Fair Value The weighted average fair value as of grant dates pertaining to a share-based award plan other than a stock option plan for reinvested dividend equivalents. A dividend reinvestment equivalent allows the holder of the stock to reinvest dividends paid to them by the entity on new issues of stock by the entity. Forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Nonvested, June 30, 2013 (in dollars per share) Assets Assets [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Inventories Other current assets Other Assets, Current Total current assets Assets, Current Property, plant and equipment, less accumulated depreciation of $1,145 in 2014 and $1,028 in 2013 Identifiable intangible assets, less accumulated amortization Other noncurrent assets Other Assets, Noncurrent Total assets Liabilities and Equity Liabilities and Equity [Abstract] Short-term borrowings Debt, Current Accounts payable Accounts Payable, Current Dividends payable Dividends Payable, Current Accrued expenses Accrued Liabilities, Current Accrued compensation and related items Employee-related Liabilities, Current Income taxes payable Taxes Payable, Current Other current liabilities Other Liabilities, Current Total current liabilities Liabilities, Current Long-term debt, net of discount Noncurrent deferred tax liabilities Deferred Tax Liabilities, Net, Noncurrent Other taxes payable Accrued Income Taxes, Noncurrent Other noncurrent liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies Commitments and Contingencies Business unit equity Parent Company Investment Parent Company Investment Preferred stock, $0.01 par value; 1,000,000,000 authorized, none issued Preferred Stock, Value, Outstanding Common stock, $0.01 par value: 6,000,000,000 authorized, 501,342,267 and 500,007,735 shares issued; 501,327,524 and 500,007,428 shares outstanding at December 31, 2014 and 2013, respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Retained earnings Retained Earnings (Accumulated Deficit) Total Zoetis Inc. equity Stockholders' Equity Attributable to Parent Equity attributable to noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest Total equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities and equity Liabilities and Equity Quarterly Financial Information [Text Block] Quarterly Financial Information [Text Block] Related Party Transactions Related Party Transactions Disclosure [Text Block] Other (Income)/Deductions - Net Other Income and Other Expense Disclosure [Text Block] Schedule of Selected Income Statement Information by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Long-lived Assets by Geographic Areas [Table Text Block] Long-lived Assets by Geographic Areas [Table Text Block] Schedule of Significant Product Revenues Revenue from External Customers by Products and Services [Table Text Block] Debt Disclosure [Abstract] Interest Expense Interest Costs Capitalized Interest Costs Capitalized Gross goodwill Goodwill, Gross Accumulated goodwill impairment losses Goodwill, Impaired, Accumulated Impairment Loss Debt Issuance Purchaser [Axis] Debt Issuance Purchaser [Axis] Debt Issuance Purchaser [Axis] Debt Issuance Purchaser [Domain] Debt Issuance Purchaser [Domain] [Domain] for Debt Issuance Purchaser [Axis] Initial Purchasers Initial Purchasers [Member] Initial Purchasers [Member] Pfizer Transfer Pfizer Transfer [Member] Pfizer Transfer [Member] Debt, principal amount Debt, stated interest rate Debt Instrument, Interest Rate, Stated Percentage Debt, unamortized discount Debt Instrument, Unamortized Discount Debt, purchase price percent due to downgrade of investment grade Debt Instrument, Purchase Price Percent Due to Downgrade of Investment Grade Debt Instrument, Purchase Price Percent Due to Downgrade of Investment Grade Schedule of Expenses Allocated from Separation [Table] Schedule of Expenses Allocated from Separation [Table] Business Pre-Separation Costs [Axis] Business Pre-Separation Costs [Axis] Business Pre-Separation Costs Business Pre-Separation Costs [Domain] Business Pre-Separation Costs [Domain] [Domain] for Business Pre-Separation Costs Allocated Expense From Parent Allocated Expense From Parent [Member] Allocated Expense From Parent Selling, General and Administrative Expenses Selling, General and Administrative Expenses [Member] Research and Development Expense Research and Development Expense [Member] Restructuring Charges and Certain Acquisition-related Costs Restructuring Charges and Certain Acquisition-related Costs [Member] Restructuring Charges and Certain Acquisition-related Costs [Member] Schedule of Expenses Allocated from Separation [Line Items] Schedule of Expenses Allocated from Separation [Line Items] [Line Items] for Schedule of Expenses Allocated from Separation [Table] Enabling Functions operating expenses Operating Expenses PGS manufacturing costs Manufacturing Costs Accelerated depreciation Other costs associated with cost reduction/productivity initiatives—implementation costs Other Cost and Expense, Implementation Costs Other Cost and Expense, Implementation Costs Share-based compensation expense Transaction costs Business Combination, Acquisition Related Costs Compensation-related expenses Labor and Related Expense Property, Plant and Equipment Disclosure [Text Block] Property, Plant and Equipment Disclosure [Text Block] Derivative Instrument Detail [Abstract] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Foreign Exchange Forward Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Other Current Assets Other Current Assets [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Foreign currency forward-exchange contracts Derivative Asset, Fair Value, Gross Asset Foreign currency forward-exchange contracts Derivative Liability, Fair Value, Gross Liability Total foreign currency forward-exchange contracts Derivative, Fair Value, Net Gain (loss) on derivative contracts not designated as hedging instruments Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments Share-based Payments Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Restructuring Charges and Other Costs Associated with Acquisitions and Cost-Reduction/Productivity Initiatives Cost Reduction And Productivity Initiatives And Acquisition Related Costs Disclosure [Text Block] Description of cost-reduction and productivity initiatives associated with a comprehensive plan to integrate acquired operations, generate cost savings and capture synergies across the company; as well as costs incurred in connection with an acquisition. These costs include (i) restructuring activities, including exit and disposal activities, the major types of costs associated with the plan activities and the accrual balance at the end of the period; (ii) integration costs, which represent external, incremental costs directly related to integrating acquired businesses; (iii) implementation costs, which represent external, incremental costs directly related to implementing cost-reduction initiatives prior to acquisition and primarily include expenditures related to system and process standardization and the expansion of shared services; (iv) additional depreciation-asset restructuring, which represents the impact of changes in the estimated useful lives of assets involved in restructuring actions; and (v) transaction costs, representing external costs incurred in connection with an acquisition. Separation Activities and Initial Public Offering [Abstract] Separation Activities and Initial Public Offering [Abstract] Senior notes transferred to Pfizer Senior Notes, Transferred to Related Party Senior Notes, Transferred to Related Party Cash transferred to Pfizer Cash and Cash Equivalents, Transferred to Related Party Cash and Cash Equivalents, Transferred to Related Party The Separation, Adjustments Associated with the Separation, Senior Notes Offering, Initial Public Offering and Exchange Offer Separation Activities and Initial Public Offering Disclosure [Text Block] Separation Activities and Initial Public Offering Disclosure [Text Block] Schedule of Separation Adjustments [Table] Schedule of Separation Adjustments [Table] Schedule of Separation Adjustments [Table] Separation Adjustment Separation Adjustment [Member] Separation Adjustment [Member] Non U.S. Jurisdiction Non U.S. Jurisdiction [Member] Non U.S. Jurisdiction [Member] Non-dedicated Manufacturing Sites Retained by Pfizer Non-dedicated Manufacturing Facility, Retained by Related Party [Member] Non-dedicated Manufacturing Facility, Retained by Related Party [Member] Non-dedicated Manufacturing Site Transferred by Pfizer Non-dedicated Manufacturing Facility, Transferred by Related Party [Member] Non-dedicated Manufacturing Facility, Transferred by Related Party [Member] Schedule of Separation Adjustments [Line Items] Schedule of Separation Adjustments [Line Items] [Line Items] for Schedule of Separation Adjustments [Table] Net liabilities retained by Pfizer Business Separation, Net Liabilities Retained by Related Party Business Separation, Net Liabilities Retained by Related Party Removal of inventories, retained by Pfizer Business Separation, Decrease in Inventory, Retained by Related Party Business Separation, Decrease in Inventory, Retained by Related Party Removal of property, plant and equipment, retained by Pfizer Business Separation, Decrease in Property, Plant and Equipment, Retained by Related Party Business Separation, Decrease in Property, Plant and Equipment, Retained by Related Party Removal of other net liabilities, retained by Pfizer Business Separation, Decrease in Other Net Liabilities, Retained by Related Party Business Separation, Decrease in Other Net Liabilities, Retained by Related Party Business Separation, Decrease in Cash, Retained by Related Party Business Separation, Decrease in Cash, Retained by Related Party Business Separation, Decrease in Cash, Retained by Related Party Addition of property, plant and equipment, retained by Pfizer Business Separation, Addition to Property, Plant and Equipment, Retained by Related Party Business Separation, Addition to Property, Plant and Equipment, Retained by Related Party Removal of net other assets, retained by Pfizer Business Separation, Decrease in Other Net Assets, Retained by Related Party Business Separation, Decrease in Other Net Assets, Retained by Related Party Business Separation, Addition of Net Receivables, From Related Party Business Separation, Addition of Net Receivables, From Related Party Business Separation, Addition of Net Receivables, From Related Party Addition of net benefit plan liabilities, retained by Pfizer Business Separation, Addition to Benefit Liability, Net, Retained by Related Party Business Separation, Addition to Benefit Liability, Net, Retained by Related Party Business Separation, Deferred Compensation Liabilities, Retained by Related Party Business Separation, Deferred Compensation Liabilities, Retained by Related Party Business Separation, Deferred Compensation Liabilities, Retained by Related Party Elimination of noncurrent deferred tax assets, retained by Pfizer Business Separation, Decrease in Deferred Tax Assets, Net, Retained by Related Party Business Separation, Decrease in Deferred Tax Assets, Liabilites, Net, Retained by Related Party Addition of noncurrent deferred tax assets, retained by Pfizer Business Separation, Addition to Deferred Tax Assets, Benefit Plan Liabilities, Noncurrent, Retained by Related Party Business Separation, Addition to Deferred Tax Assets, Benefit Plan Liabilities, Noncurrent, Retained by Related Party Addition of noncurrent deferred tax assets related to net operating loss and tax credit carryforwards, retained by Pfizer Business Separation, Addition to Deferred Tax Assets, Tax Credit Carryforwards, Noncurrent, Retained by Related Party Business Separation, Addition to Deferred Tax Assets, Tax Credit Carryforwards, Noncurrent, Retained by Related Party Addition of noncurrent deferred tax liabilities related to property, plant and equipment transferred by Pfizer Business Separation, Addition to Deferred Tax Liabilities, Property, Plant and Equipment, Noncurrent, Retained by Related Party Business Separation, Addition to Deferred Tax Liabilities, Property, Plant and Equipment, Noncurrent, Retained by Related Party Business Separation, Decrease in Long-Term Debt, Retained by Related Party Business Separation, Decrease in Long-Term Debt, Retained by Related Party Business Separation, Decrease in Long-Term Debt, Retained by Related Party Elimination of allocated accrued Interest payable, retained by Pfizer Business Separation, Decrease in Accrued Interest Payable, Retained by Related Party Business Separation, Decrease in Accrued Interest Payable, Retained by Related Party Elimination of allocated unamortized deferred debt issuance costs, retained by Pfizer Business Separation, Decrease in Unamortized Debt Issuance Costs, Retained by Related Party Business Separation, Decrease in Unamortized Debt Issuance Costs, Retained by Related Party Certain net financial assets retained by Pfizer Business Separation, Assets, Net, Retained by Related Party Business Separation, Assets, Net, Retained by Related Party Removal of miscellaneous other liabilities, retained by Pfizer Business Separation, Decrease in Other Liabilities, Miscellaneous, Retained by Related Party Business Separation, Decrease in Other Liabilities, Miscellaneous, Retained by Related Party Business Separation, Addition to Net Deferred Tax Assets, Adjustment Business Separation, Addition to Net Deferred Tax Assets, Adjustment Business Separation, Addition to Net Deferred Tax Assets, Adjustment Business Separation, Addition to Inventory, Retained by Related Party Business Separation, Addition to Inventory, Retained by Related Party Business Separation, Addition to Inventory, Retained by Related Party Business Separation, Elimination of Prepaid Taxes Business Separation, Elimination of Prepaid Taxes Business Separation, Elimination of Prepaid Taxes Business Separation, Addition of Net Benefit Plan Liabilities, To Transfer from Related Party Business Separation, Addition of Net Benefit Plan Liabilities, To Transfer from Related Party Business Separation, Addition of Net Benefit Plan Liabilities, To Transfer from Related Party Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value, Inputs, Level 2 Fair Value, Inputs, Level 2 [Member] Fair value, debt instrument Debt Instrument, Fair Value Disclosure Changes in the Carrying Amount of Goodwill Schedule of Goodwill [Table Text Block] Components of Identifiable Intangible Assets Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Text Block] Disclosure of the details of finite-lived and indefinite-lived intangible assets, excluding goodwill, in total and by major 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 the company. Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule of Product Information [Table] Schedule of Product Information [Table] Product [Member] Product [Member] Product Information [Line Items] Product Information [Line Items] Number of regional segments Number of Regional Segments Number of Regional Segments Number of countries in which entity markets products Number of Countries in which Entity Operates Number of core animal species Number of Core Animal Species Marketed Number of Core Animal Species Marketed Number of major product categories Number of Major Product Categories Number of Major Product Categories Common Class A Common Class A [Member] Common Class B Common Class B [Member] Sale of Stock [Axis] Sale of Stock [Axis] Sale of Stock [Domain] Sale of Stock [Domain] Share price Share Price Defined Benefit Plan, Target Plan Asset Allocations Range Minimum Defined Benefit Plan, Target Plan Asset Allocations Range Minimum Defined Benefit Plan, Target Plan Asset Allocations Range Maximum Defined Benefit Plan, Target Plan Asset Allocations Range Maximum Defined Benefit Plan Cash And Cash Equivalents Defined Benefit Plan Cash And Cash Equivalents Defined Benefit Plan, Cash and Cash Equivalents Defined Benefit Plan Equity Securities Assets Defined Benefit Plan Equity Securities Assets Defined Benefit Plan Equity Securities Assets Defined Benefit Plan Debt Securities Assets Defined Benefit Plan Debt Securities Assets Defined Benefit Plan Debt Securities Assets Defined Benefit Plan Real Estate And Defined Benefit Plan Other Investments Defined Benefit Plan Real Estate And Defined Benefit Plan Other Investments Defined Benefit Plan Real Estate And Defined Benefit Plan Other Investments Defined Benefit Plan, Target Plan Asset Allocations Defined Benefit Plan, Target Plan Asset Allocations Defined Benefit Plan, Actual Plan Asset Allocations Defined Benefit Plan, Actual Plan Asset Allocations Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Business Unit Equity Parent [Member] Common Stock Common Stock [Member] Retained Earnings Retained Earnings [Member] Equity Attributable to Noncontrolling Interests Noncontrolling Interest [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Beginning balance Net Income (Loss) Share-based compensation expense Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Net transfers between Pfizer and noncontrolling interests Stockholders' Equity, Net Transfers Between Related Party and Noncontrolling Interests Stockholders' Equity, Net Transfers Between Related Party and Noncontrolling Interests Net transfers - Pfizer Stockholders' Equity, Net Transfers to Related Party Stockholders' Equity, Net Transfers to Related Party Dividends declared Dividends, Common Stock Separation adjustments(d) Business Separation, Adjustments Business Separation, Adjustments Employee benefit plan contribution from Pfizer Inc.(e) Contributed Capital, Associated with Pension, Contributed by Related Party Contributed Capital, Associated with Pension, Contributed by Related Party Reclassification of net liability due to Pfizer Inc.(f) Reclassification of Net Liability Due to Related Party Reclassification of Net Liability Due to Related Party Consideration paid to Pfizer Inc. in connection with the Separation(g) Adjustments to Additional Paid in Capital, Consideration Paid to Related Party Adjustments to Additional Paid in Capital, Consideration Paid to Related Party Issuance of common stock to Pfizer Inc. in connection with the Separation and reclassification of Business Unit Equity(g) Stock Issued During Period, Value, New Issues, And Reclassification of Unit Equity Stock Issued During Period, Value, New Issues, And Reclassification of Unit Equity Defined contribution plan transactions(h) Stock Issued During Period, Value, Employee Benefit Plan Pension plan transfer from Pfizer Inc.(i) DefinedPensionPlanTransfer Defined benefit pension plan transfer from Pfizer Ending balance Basic and Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Costs of goods manufactured Related Party Costs Europe And Global Manufacturing [Member] Europe And Global Manufacturing [Member] Europe And Global Manufacturing [Member] Nature of Expense [Axis] Expense Type [Axis] Expense Type [Axis] Expense Type [Domain] Expense Type [Domain] [Domain] for Expense Type [Member] Direct Cost [Member] Direct Cost [Member] Direct Cost [Member] Allocated Cost Allocated Cost [Member] Allocated Cost [Member] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] Manufacturing Facility [Member] Manufacturing Facility [Member] Facility Closing Facility Closing [Member] Integration costs(a) Business Combination, Integration Related Costs Restructuring Charges Severance Costs Severance Costs Exit costs Business Exit Costs Total Restructuring charges and certain acquisition-related costs Implementation costs––allocated(d) Implementation Costs Implementation costs represent external, incremental costs directly related to Implementing cost-reduction initiatives, and primarily include expenditures related to system and process standardization and the expansion of shared services. Total costs associated with restructuring, acquisitions and cost-reduction/productivity initiatives Cost Reduction Initiatives And Acquisition Costs Costs incurred in connection with the Company's cost-reduction/productivity initiatives and business acquisitions. Short-term Debt [Abstract] Short-term borrowings, carried at historical proceeds, as adjusted Short-term debt, weighted-average effective interest rate Short-term Debt, Weighted Average Interest Rate Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Benefit Obligation, Separation Adjustments Benefit Obligation, Separation Adjustments Benefit Obligation, Separation Adjustments Defined Benefit Plan, Actuarial Gain (Loss) Defined Benefit Plan, Actuarial Gain (Loss) Defined Benefit Plan Plan Settlement Defined Benefit Plan Plan Settlement Defined Benefit Plan Plan Settlement Defined Benefit Plan, Foreign Currency Exchange Rate Gain (Loss) Defined Benefit Plan, Foreign Currency Exchange Rate Gain (Loss) Defined Benefit Plan, Other Changes Defined Benefit Plan, Other Changes Plan Assets, Separation Adjustments Plan Assets, Separation Adjustments Plan Assets, Separation Adjustments Defined Benefit Plan, Actual Return on Plan Assets Defined Benefit Plan, Actual Return on Plan Assets Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Plan Assets Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Plan Assets Defined Benefit Plan, Other Costs Defined Benefit Plan, Other Costs Defined Benefit Plan, Funded Status of Plan Defined Benefit Plan, Funded Status of Plan Plan Assets Plan Settlement Plan Assets Plan Settlement Plan Assets Plan Settlement Statement of Cash Flows [Abstract] Operating Activities Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income before noncontrolling interests 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 expense Share-based compensation expense Share-based Compensation Deferred taxes Deferred Income Tax Expense (Benefit) Employee benefit plan contribution from Pfizer Inc. Non Cash Trasfers to Related Party Non Cash Trasfers to Related Party Other non-cash adjustments Other Noncash Income (Expense) Other changes in assets and liabilities, net of acquisitions and divestitures and transfers with Pfizer Inc. Other changes in assets and liabilities, net of acquisitions and divestitures and transfers with Pfizer Inc. [Abstract] Other changes in assets and liabilities, net of acquisitions and divestitures and transfers with Pfizer Inc. [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Inventories Increase (Decrease) in Inventories Other assets Increase (Decrease) in Other Operating Assets Accounts payable Increase (Decrease) in Accounts Payable Other liabilities Increase (Decrease) in Other Operating Liabilities Other tax accounts, net Increase (Decrease) in Accrued Taxes Payable Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Investing Activities Net Cash Provided by (Used in) Investing Activities [Abstract] Purchases of property, plant and equipment Payments to Acquire Property, Plant, and Equipment Milestone payment related to previously acquired intangibles Net proceeds from sales of assets Proceeds from Sale of Property, Plant, and Equipment Other investing activities Payments for (Proceeds from) Other Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Financing Activities Net Cash Provided by (Used in) Financing Activities [Abstract] Increase/(decrease) in short-term borrowings, net Proceeds from (Repayments of) Short-term Debt Proceeds from issuance of long-term debt—senior notes, net of discount and fees Proceeds from Issuance of Senior Long-term Debt Stock-based compensation-related proceeds and excess tax benefits Proceeds and Excess Tax Benefit from Share-based Compensation Consideration paid to Pfizer Inc. in connection with the Separation(a) Payment to Related Party in Connection with Asset Transfer Payment to Related Party in Connection with Asset Transfer Cash dividends paid(b) Payments of Ordinary Dividends Other net financing activities with Pfizer Inc. Proceeds from (Payments for) Other Financing Activities Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange-rate changes on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Net increase in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Supplemental cash flow information Supplemental Cash Flow Information [Abstract] Cash paid during the period for: Cash Paid During Period For [Abstract] Cash Paid During Period For [Abstract] Income taxes Income Taxes Paid, Net Interest, net of capitalized interest Interest Paid, Net Non-cash transactions: Other Noncash Investing and Financing Items [Abstract] Intangible asset acquisition(c) Noncash or Part Noncash Acquisition, Intangible Assets Acquired Purchases of property, plant and equipment Capital Expenditures Incurred but Not yet Paid Contingent purchase price consideration Other Significant Noncash Transaction, Value of Consideration Given Dividends declared, not paid Dividends Payable Zoetis Inc. senior notes transferred to Pfizer Inc. in connection with the Separation(d) Debt Issued to Related Party for Net Asset Transfers Debt Issued to Related Party for Net Asset Transfers Common Stock, Shares, Outstanding Schedule of Goodwill [Table] Schedule of Goodwill [Table] Goodwill [Line Items] Goodwill [Line Items] Goodwill [Roll Forward] Goodwill [Roll Forward] Balance, December 31, 2013 Other(a) Goodwill, Other Changes Balance, December 31, 2014 Statement of Comprehensive Income [Abstract] Other comprehensive loss, net of tax and reclassification adjustments: Other Comprehensive Income (Loss), Net of Tax [Abstract] Foreign currency translation adjustments, net Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Benefit plans: Actuarial gains/(losses), net(a) Plan settlement, net(b) OtherComprehensiveIncomePensionPlanSettlementCharge Pension Plan Settlement Charge Total other comprehensive loss, net of tax Comprehensive income before allocation to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income/(loss) attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive income attributable to Zoetis Comprehensive Income (Loss), Net of Tax, Attributable to Parent Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Income Taxes Income Tax Disclosure [Text Block] Business Combination, Cash payment Business Combination, Cash payment Business Combination, Cash payment Business Combination, Contingent Consideration, Liability Business Combination, Contingent Consideration, Liability Anti-infectives Anti-infective Products [Member] Anti-infective Products [Member] Vaccines Vaccines [Member] Vaccines [Member] Parasiticides Parasiticides [Member] Parasiticides [Member] Medicated feed additives Medicated Feed Additives [Member] Medicated Feed Additives [Member] Other pharmaceuticals Other Pharmaceuticals [Member] Other Pharmaceuticals [Member] Other non-pharmaceuticals Other Non Pharmaceuticals [Member] Other Non Pharmaceuticals [Member]