Document And Entity Information
ecd_TrdArrIndTitle
Trading Arrangement, Individual Title
Statistical Measurement [Axis]
ecd_TrdArrIndName
Trading Arrangement, Individual Name
Note To Financial Statement Details Textual
ecd_TrdArrExpirationDate
Trading Arrangement Expiration Date
Significant Accounting Policies
ecd_TrdArrAdoptionDate
Trading Arrangement Adoption Date
Note 3 - Revenues
us-gaap_IncomeTaxExpenseBenefit
Provision for income taxes
ecd_NonRule10b51ArrTrmntdFlag
Non-Rule 10b5-1 Arrangement Terminated [Flag]
Note 4 - Investments and Fair Value Measurements
ecd_NonRule10b51ArrAdoptedFlag
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Note 6 - Debt
Trading Arrangements, by Individual [Table]
Note 7 - Stockholders' (Deficit) Equity
Retirement Benefits [Text Block]
Material Terms of Trading Arrangement [Text Block]
Note 8 - Equity Compensation Plans
Note 9 - Pension and Postretirement Benefits
Financial Instrument [Axis]
Note 10 - Segment Reporting
Shares withheld for tax settlement (in shares)
Note 3 - Revenues - Disaggregated Revenues (Details)
Note 3 - Revenues - Summary of Change in Contract Liabilities (Details)
Minimum [Member]
Note 4 - Investments and Fair Value Measurements - Long-term Debt (Details)
Note 6 - Debt - Short-term and Long-term Debt (Details)
Statistical Measurement [Domain]
Note 6 - Debt - Short-term and Long-term Debt (Details) (Parentheticals)
Maximum [Member]
us-gaap_SharePrice
Share Price (in dollars per share)
ecd_TrdArrSecuritiesAggAvailAmt
Trading Arrangement, Securities Aggregate Available Amount
Note 7 - Stockholders' (Deficit) Equity - Computation of Basic and Diluted Earnings Per Share (Details)
Share Repurchase Program [Axis]
Note 7 - Stockholders' (Deficit) Equity - Summary of Accumulated Other Comprehensive Losses (Details)
Share Repurchase Program [Domain]
Note 7 - Stockholders' (Deficit) Equity - Other Comprehensive Income (Loss) (Details)
Litigation Case [Domain]
Note 8 - Equity Compensation Plans - Summary of Stock Activity (Details)
Note 8 - Equity Compensation Plans - Stock Options Granted Weighted Average Assumptions (Details)
us-gaap_IncreaseDecreaseInAccountsReceivable
Accounts receivable
Note 9 - Pension and Postretirement Benefits - Components of Net Periodic Benefit Cost and Amounts Recognized in Other Comprehensive Income (Details)
Retirement Plan Type [Domain]
Note 10 - Segment Reporting - Long-lived Assets By Country (Details)
us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
Accounts payable and accrued liabilities
Notes To Financial Statements
Retirement Plan Type [Axis]
Notes To Financial Statements [Abstract]
us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses
Amortization of net actuarial loss
Amortization of prior service cost
us-gaap_EffectiveIncomeTaxRateContinuingOperations
Effective Income Tax Rate Reconciliation, Percent
Weighted average grant price (in dollars per share)
Exercised or lapsed, options, weighted average exercise price (in dollars per share)
Performance Shares [Member]
Interest cost
Financial Instruments [Domain]
us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets
Expected return on plan assets
us-gaap_CommonStockDividendsPerShareDeclared
Common Stock, Dividends, Per Share, Declared (in dollars per share)
Litigation Case [Axis]
us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost
Net periodic (benefit) cost
Segment Reporting [Text Block]
Award Type [Axis]
Adjustments to reconcile net income to net cash provided by operating activities:
Plan Name [Axis]
us-gaap_Liabilities
Total liabilities
Plan Name [Domain]
Defined Benefit Plan [Table]
vrsk_LossContingencyDamagesPerViolation
Loss Contingency, Damages Per Violation
The amount of damages per violation accrued under loss contingency.
us-gaap_LiabilitiesAndStockholdersEquity
Total liabilities and stockholders’ (deficit) equity
Title and Position [Axis]
Segment Reporting [Table]
us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Prepaid expenses and other assets
Stock-based compensation expense
us-gaap_ShareBasedCompensation
Selling, general and administrative
Senior Notes [Member]
Share-Based Payment Arrangement [Text Block]
Changes in assets and liabilities, net of effects from acquisitions:
us-gaap_PreferredStockSharesIssued
Preferred Stock, Shares Issued (in shares)
us-gaap_PreferredStockSharesAuthorized
Preferred Stock, Shares Authorized (in shares)
Employee Stock Ownership Plan (ESOP), Plan [Domain]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period (in shares)
Portion at Fair Value Measurement [Member]
Reported Value Measurement [Member]
Fair Value, by Balance Sheet Grouping [Table]
us-gaap_PreferredStockParOrStatedValuePerShare
Preferred Stock, Par or Stated Value Per Share (in dollars per share)
Employee Stock Ownership Plan (ESOP) Name [Axis]
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
Net increase (decrease) in cash and cash equivalents
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
Cash and cash equivalents, beginning of period
Cash and cash equivalents, end of period
vrsk_ContractWithCustomerLiabilityRevenueRecognizedDuringPeriod
Total revenues
Amount of revenue recognized during period including amounts previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.)
Effect of exchange rate changes
Additions to contract liabilities
Amount of increase (decrease) in obligation to transfer good or service to customer from billings.
Estimate of Fair Value Measurement [Member]
June ASR Agreements [Member]
Relating to June ASR Agreements.
New Accounting Pronouncements, Policy [Policy Text Block]
vrsk_PolicyTable
Statement [Table]
Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]
Credit Facility [Axis]
PSUs lapsed
PSUs lapsed
The value of performance share units lapsed.
Credit Facility [Domain]
Revolving Credit Facility [Member]
Prepaid expenses
Performance Stock ROIC-based [Member]
Share-based payment arrangement awarded for meeting ROIC-based performance targets.
us-gaap_EquityMethodInvestments
Equity Method Investments
us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Debt Instrument, Basis Spread on Variable Rate
us-gaap_InvestmentsFairValueDisclosure
Investments, Fair Value Disclosure
us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Line of Credit Facility, Maximum Borrowing Capacity
Equity Securities [Member]
Nonvested, number of shares (in shares)
Outstanding beginning balance, number of shares (in shares)
Outstanding ending balance, number of shares (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
Outstanding beginning balance, weighted average exercise price (in dollars per share)
Outstanding ending balance, weighted average exercise price (in dollars per share)
us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Line of Credit Facility, Remaining Borrowing Capacity
srt_StockRepurchaseProgramAuthorizedAmount1
Share Repurchase Program, Authorized, Amount
Granted, number of shares (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)
Granted, weighted average exercise price (in dollars per share)
Long-Term Debt, Type [Axis]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
Canceled, expired or forfeited, number of shares (in shares)
Product and Service [Domain]
Product and Service [Axis]
us-gaap_RepaymentsOfDebt
Repayment of debt
Fixed assets, net
us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
Open Market Repurchases [Member]
Relating to open market repurchases.
Foreign currency translation adjustment attributable to noncontrolling interests, before tax
Exercised or lapsed, options, aggregate intrinsic value
Foreign currency translation adjustment attributable to Verisk
us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions
Loss on equity-method investments, net
Proceeds from issuance of debt
Proceeds from Issuance of Debt
Exercisable, options (in shares)
Exercisable, options, weighted average exercise price (in dollars per share)
Measurement Frequency [Axis]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Outstanding beginning balance, options (in shares)
Outstanding, option (in shares)
Commitments and Contingencies Disclosure [Text Block]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Outstanding beginning balance, options, weighted average exercise price (in dollars per share)
Outstanding beginning balance, options, weighted average exercise price (in dollars per share)
Statement [Line Items]
Fair Value Hierarchy and NAV [Axis]
Syndicated Revolving Credit Facility [Member]
Represents the Syndicated Revolving Credit Facility...
Outstanding, options, aggregate intrinsic value
Common stock issued (in shares)
Common stock outstanding (in shares)
Award Type [Domain]
Risk-free interest rate
Common stock authorized (in shares)
Common Stock, Shares Authorized (in shares)
Expected volatility
us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Share Repurchase Program, Remaining Authorized, Amount
Dividend yield
vrsk_ProvisionForCreditLossOnInvestments
Provision for Credit Loss on Investments
The amount of provision for credit loss on investments.
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Common stock, $.001 par value; 2,000,000,000 shares authorized; 544,003,038 shares issued; 130,136,216 and 138,397,709 shares outstanding, respectively
The 2021 Incentive Plan [Member]
Represents Information about 2021 incentive plan.
us-gaap_SalesAndExciseTaxPayableCurrentAndNoncurrent
Sales and Excise Tax Payable
Atlas Data Privacy Corp., et al. v. Verisk Analytics, Inc. [Member]
Represents Atlas Data Privacy Corp., et al. v. Verisk Analytics, Inc., et al litigation.
Accounts payable and accrued liabilities
us-gaap_PolicyTextBlockAbstract
Accounting Policies
us-gaap_DisclosureTextBlockAbstract
Notes to Financial Statements
us-gaap_TableTextBlock
Notes Tables
Other stock issuances
Other stock issuances (in shares)
us-gaap_ComprehensiveIncomeNetOfTax
Comprehensive income attributable to Verisk
Finance lease liabilities, noncurrent
Finance lease liabilities, current
us-gaap_FinanceLeaseLiabilityCurrent
Subsequent Events [Text Block]
Proceeds from issuance of long-term debt, net of original discount
Significant Accounting Policies [Text Block]
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted-Average Remaining Contractual Term (Year)
us-gaap_OperatingLeaseLiabilityNoncurrent
Operating lease liabilities
Operating lease liabilities
Expected term in years (Year)
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted-Average Remaining Contractual Term (Year)
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]
Income taxes payable
us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToNoncontrollingInterest
Foreign currency translation adjustment attributable to noncontrolling interests, tax
us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent
Foreign currency translation adjustment attributable to Verisk
Other comprehensive income (loss), before tax
Weighted average grant date fair value per stock option (in dollars per share)
The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology, used as a valuation assumption.
Statement of Stockholders' Equity [Abstract]
Loss Contingencies [Table]
Statement of Comprehensive Income [Abstract]
Statement of Cash Flows [Abstract]
Foreign currency translation adjustment attributable to Verisk, after tax
UNITED KINGDOM
Foreign currency translation adjustment attributable to noncontrolling interests, after tax
Other comprehensive income (loss), after tax
Long-Term Debt, Type [Domain]
Stockholders’ (deficit) equity:
Equity Components [Axis]
Proceeds from stock options exercised
Proceeds from Stock Options Exercised
Nonqualified Stock Option [Member]
Represents information related to nonqualified stock option.
Defined Benefit Plan, Plan Assets, Category [Axis]
Equity Component [Domain]
Defined Benefit Plan, Plan Assets, Category [Domain]
Fair Value, Inputs, Level 2 [Member]
Fair Value, Inputs, Level 1 [Member]
Equity [Text Block]
AOCI Attributable to Parent [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Provision for credit losses
Subsequent Event [Table]
Deferred income tax assets
Comprehensive Income (Loss) [Table Text Block]
Cost of revenues (exclusive of items shown separately below)
Schedule of Net Benefit Costs [Table Text Block]
Stock-based compensation expense
Other comprehensive (loss) income
The amount of OCI excluding investments in noncontrolling interests, net of the tax.
us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax
Other comprehensive income (loss), before reclassifications, tax
Amortization of net actuarial loss and prior service benefit reclassified from accumulated other comprehensive income (losses), tax
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
RSAs lapsed
RSAs lapsed
This element represents the value of restricted stock lapsed during the reporting period.
Deferred income tax liabilities
vrsk_IncreaseDecreaseInOperatingLeaseRightOfUseAssets
Operating lease right-of-use assets, net
The amount of increase decrease in operating lease right of use assets.
Deferred income taxes
The amount of change in deferred income tax during the period.
Deferred tax liability established on date of acquisition
This element represents the deferred tax liability established on the date of acquisition in connection with the newly acquired subsidiary for the period.
Operating lease liabilities
vrsk_IncreaseDecreaseInOperatingLeaseLiabilities
The amount of increase (decrease) in operating lease liabilities.
Foreign currency translation adjustment, net of tax
Fair Value Disclosures [Text Block]
Share-Based Payment Arrangement, Option [Member]
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Supplemental disclosures:
Operating lease additions (terminations), net
The amount of noncash operating lease obligations incurred, net of terminations.
Current liabilities:
Investment (loss) gain
us-gaap_LiabilitiesCurrent
Total current liabilities
us-gaap_LettersOfCreditOutstandingAmount
Letters of Credit Outstanding, Amount
Accounts receivable, net of allowance for doubtful accounts of $35.9 and $33.2, respectively
us-gaap_LongTermDebtFairValue
Senior notes (Note 6)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
Canceled, expired or forfeited, option (in shares)
Accumulated other comprehensive income
Accumulated other comprehensive income
Canceled, expired or forfeited, options, weighted average exercise price (in dollars per share)
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Long-Lived Asset [Table Text Block]
Long-term debt
Long-term debt
us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates
Acquisitions and purchase of additional controlling interest, net of cash acquired of $0.0, $0.3, $0.0, and $0.3, respectively
Short-term debt and current portion of long-term debt
us-gaap_DebtCurrent
Debt, Current
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Income before income taxes
us-gaap_GainsLossesOnExtinguishmentOfDebt
Gain (Loss) on Extinguishment of Debt
Treasury stock shares repurchased not yet settled
The amount of treasury stock shares repurchased not yet settled.
Additional paid-in capital
Debt Disclosure [Text Block]
Noncontrolling interests
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)
Finance lease additions
Amount of increase in lease obligation from new finance lease, net of disposals.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Capital expenditures
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period (Year)
UNITED STATES
us-gaap_DebtInstrumentCarryingAmount
Long-Term Debt, Gross
us-gaap_DebtInstrumentFaceAmount
Debt Instrument, Face Amount
Current assets:
Stock options exercised
Schedule of Debt [Table Text Block]
us-gaap_AssetsCurrent
Total current assets
vrsk_AmortizationOfIntangibleAssetsIncludingDiscontinuedOperating
Amortization of intangible assets
Represents amortization of Intangible Assets including discontinued operating.
us-gaap_PaymentsForProceedsFromInvestments
Investments in non-public companies, net
Debt Instrument, Name [Domain]
us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
Amortization of net actuarial loss and prior service benefit reclassified from accumulated other comprehensive income (losses), after tax
us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
Exercised or lapsed, options (in shares)
Interest rate
us-gaap_DebtInstrumentInterestRateStatedPercentage
Debt Instrument, Interest Rate, Stated Percentage
Other comprehensive income (loss), before reclassifications, after tax
us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage
us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent
Amortization of net actuarial loss and prior service benefit reclassified from accumulated other comprehensive income (losses), before tax
Insurance [Member]
Related to insurance.
vrsk_RevenueRemainingPerformanceObligationCurrentPercentage
Revenue Remaining Performance Obligation, Current Percentage
The current percentage of revenue remaining in a performance obligation.
Other comprehensive income (loss), before reclassifications, before tax
Other Countries [Member]
Related to other countries.
us-gaap_DebtInstrumentUnamortizedDiscount
Debt Instrument, Unamortized Discount
Claims [Member]
Related to claims.
Treasury stock acquired, shares (in shares)
Treasury Stock, Shares, Acquired (in shares)
Registered Investment Companies [Member]
Related to registered investment companies.
Schedule of Long-Term Debt Instruments [Table]
Debt Instrument [Axis]
vrsk_ContractWithCustomerLiabilityForeignCurrencyTranslationAdjustment
Foreign currency translation adjustment
Amount of increase (decrease) in obligation due to foreign currency translation adjustment
Cash flows from operating activities:
Debt Securities [Member]
Cash flows from investing activities:
Shares transferred from treasury stock (in shares)
us-gaap_NetCashProvidedByUsedInOperatingActivities
Net cash provided by operating activities
Cash flows from financing activities:
us-gaap_NetCashProvidedByUsedInInvestingActivities
Net cash used in investing activities
us-gaap_SharesIssuedPricePerShare
Shares Issued, Price Per Share (in dollars per share)
us-gaap_PaymentsOfDebtIssuanceCosts
Payment of debt issuance costs
us-gaap_TreasuryStockAcquiredAverageCostPerShare
Shares Acquired, Average Cost Per Share (in dollars per share)
us-gaap_NetCashProvidedByUsedInFinancingActivities
Net cash used in financing activities
Accounting Policies [Abstract]
Segments [Domain]
us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax
Pension and postretirement adjustment, net of tax
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table]
Allowance for doubtful accounts, current
Total long-lived assets
Segments [Axis]
us-gaap_IncomeLossFromContinuingOperations
Net income
Pension and Postretirement Adjustment [Member]
Related to the pension and postretirement adjustment.
Income Statement [Abstract]
vrsk_CommonStockReissued
Common Stock Reissued (in shares)
The number of common stock reissued.
vrsk_ValueOfCommonStockIssuedToEmployeesPerShare
Value of Common Stock Issued to Employees Per Share (in dollars per share)
This element represents the discount price per share offered to employees who participate in the ESPP Plan.
vrsk_SharebasedCompensationArrangementBySharebasedPaymentAwardTargetLevels
Share-based Compensation Arrangement by Share-based Payment Award, Target Levels
The percent target levels for an award in a share-baesd compensation arrangement.
vrsk_SharebasedCompensationArrangementBySharebasedPaymentAwardNumberOfSharesPerAward
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Per Award (in shares)
The number of shares issued per award in a share-based compensation arrangement.
vrsk_NonqualifiedStockOptionContractualTerm
Nonqualified Stock Option, Contractual Term (Year)
Description of the estimated period of time over which an employee may exercise the vested nonqualified stock option granted. This period may be explicit or implicit based on the terms of the award, and may be presented in a variety of ways (for example, year, month and year, day, month and year, quarter of a year).
vrsk_UnrecognizedCompensationCostRelatedToNonvestedShareBasedCompensationArrangements
Unrecognized Compensation Cost Related to Nonvested Share Based Compensation Arrangements
As of the balance-sheet date, the aggregate unrecognized cost of share-based awards made to employees and non-employees under share-based compensation plans that have yet to vest.
us-gaap_NumberOfOperatingSegments
Number of Operating Segments
us-gaap_NumberOfReportableSegments
Number of Reportable Segments
UK Sharesave Plan [Member]
Related to the UK Sharesave plan.
Employee Stock Purchase Plan [Member]
Related to an employee stock purchase plan (ESPP) award.
us-gaap_AmortizationOfDeferredLoanOriginationFeesNet
Amortization of debt issuance costs and original issue discount, net of original issue premium
us-gaap_TreasuryStockCommonValue
Treasury stock, at cost, 413,866,822 and 405,605,329 shares, respectively
Dividend reinvestment, options, weighted average exercise price (in (in dollars per share)
The weighted average per share amount of options dividends reinvested in period in a share-based compensation arrangement.
Treasury stock (in shares)
Treasury Stock, Common, Shares (in shares)
Dividend reinvestment, options (in shares)
The number of options dividends reinvested in period in a share-based compensation arrangement.
Treasury Stock, Common [Member]
Net income
Net income
Total debt
Amortization of intangible assets
Operating expenses:
Pension Plan and SERP Plan [Member]
Represents pension plan and SERP plan.
us-gaap_OtherNoncashIncomeExpense
Other operating
us-gaap_CostsAndExpenses
Total operating expenses, net
Income Tax Disclosure [Text Block]
Restricted Stock [Member]
Accounting Standards Update and Change in Accounting Principle [Table]
Noncash investing and financing activities:
vrsk_PaymentForSharesRepurchasedNotYetSettled
Common stock repurchases not yet settled
Amount of payment for shares repurchased but not yet settled.
us-gaap_RelatedPartyTransactionAmountsOfTransaction
Related Party Transaction, Amounts of Transaction
us-gaap_DeferredFinanceCostsNet
Debt Issuance Costs, Net
us-gaap_TreasuryStockValueAcquiredParValueMethod
Treasury stock acquired
Related Party Transaction [Table]
Related Party Transactions Disclosure [Text Block]
Expected to vest, options (in shares)
Measurement Basis [Axis]
Fair Value Hierarchy and NAV [Domain]
Measurement Frequency [Domain]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate
Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date
us-gaap_RepaymentsOfLongTermDebt
Repayments of Long-Term Debt
Other expense:
Statement of Financial Position [Abstract]
us-gaap_NonoperatingIncomeExpense
Total other expense, net
Noncurrent assets:
Income taxes paid
Income taxes receivable
us-gaap_DividendsCommonStock
Common stock dividend
us-gaap_PaymentsForProceedsFromDepositsOnRealEstateAcquisitions
Escrow release associated with acquisitions
Dividend reinvestment, number of shares (in shares)
The number of dividends reinvestment made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).
Noncurrent liabilities:
Fair Value, Recurring [Member]
Other noncurrent assets
us-gaap_PaymentsForRepurchaseOfCommonStock
Payments for Repurchase of Common Stock
Repurchases of common stock
us-gaap_IncreaseDecreaseInDeferredRevenue
Deferred revenues
us-gaap_SharesIssued
Balance (in shares)
Balance (in shares)
Document Type
Expected, number of shares (in shares)
The number of expected to vest equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.
Document Information [Line Items]
Document Quarterly Report
Dividend reinvestment (in dollars per share)
The weighted average fair value of dividend reinvestment pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.
Document Information [Table]
us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)
us-gaap_LongTermNotesAndLoans
Long-term debt
Employer contributions/(reimbursement), net
Amount of net contribution by employer to plan assets of defined benefit plan.
Exercised or lapsed, weighted average exercise price (in dollars per share)
Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were exercised or lapsed.
Entity Interactive Data Current
Document Transition Report
Diluted (in shares)
Weighted average number of common shares and dilutive potential common shares used in diluted EPS (in shares)
Potential common shares issuable from stock options and stock-based awards (in shares)
Weighted average number of common shares used in basic EPS (in shares)
Basic (in shares)
us-gaap_EarningsPerShareBasic
Basic net income per share attributable to Verisk: (in dollars per share)
Underwriting [Member]
Represents underwriting.
Title and Position [Domain]
Collaborative Arrangement and Arrangement Other than Collaborative [Table]
vrsk_PaymentsForExciseTax
Payment of excise tax
The cash outflow for excise tax during the period.
Intangible assets, net
Document Fiscal Period Focus
Document Fiscal Year Focus
Depreciation and amortization of fixed assets
Investment in noncontrolling interests
Amount of increase or decrease in noncontrolling interest from investment.
Amendment Flag
Common Stock [Member]
Acquisition related liability adjustment
Goodwill
us-gaap_IncreaseDecreaseInOtherOperatingLiabilities
Other liabilities
Document Period End Date
Granted, options (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)
Legal Entity [Axis]
Entity File Number
us-gaap_RevenueRemainingPerformanceObligation
Revenue, Remaining Performance Obligation, Amount
Entity Tax Identification Number
Disaggregation of Revenue [Table Text Block]
Disaggregation of Revenue [Table]
Entity [Domain]
Entity Central Index Key
Entity Registrant Name
us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount
Equity Securities without Readily Determinable Fair Value, Amount
Foreign currency translation adjustment, before tax
Foreign currency translation adjustment, after tax
Entity Current Reporting Status
Entity Incorporation, State or Country Code
us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
Pension and postretirement liability adjustment
Current Fiscal Year End Date
Total other comprehensive loss, before tax
us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1
Other comprehensive income (loss), tax
Entity Filer Category
Entity Shell Company
Entity Emerging Growth Company
Total other comprehensive loss, after tax
Total other comprehensive (loss) income
Entity Small Business
us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
Foreign currency translation adjustment, tax
us-gaap_OperatingIncomeLoss
Operating income
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
us-gaap_ContractWithCustomerAssetNet
Contract with Customer, Asset, after Allowance for Credit Loss, Total
Nonvested, options (in shares)
Entity Address, State or Province
Entity Address, City or Town
us-gaap_InterestExpenseNonoperating
Interest expense, net
Retained earnings
Entity Address, Address Line One
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
City Area Code
us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
Net share settlement of taxes from RSAs and PSUs
Local Phone Number
Entity Address, Postal Zip Code
Revenue from Contract with Customer [Text Block]
Title of 12(b) Security
Security Exchange Name
Trading Symbol
Class of Stock [Axis]
February ASR Agreements [Member]
Represents the February ASR Agreements.
us-gaap_OtherComprehensiveIncomeLossTax
Total other comprehensive loss, tax
The Term Loan Facility, 2030 and 2036 Senior Notes [Member]
Represents information pertaining to the Term Loan Facility, as well as, 2030 and 2036 senior notes.
vrsk_RepaymentOfShorttermDebtIncludingMandatoryRedemptionFee
Repayment of short-term debt, inclusive of special mandatory redemption fee
The cash outflow for the repayment of short-term debt including the redemption fee.
Entity Common Stock, Shares Outstanding
Other comprehensive (loss) income, net of tax:
The 4.450% Senior Notes Due in 2031 [Member]
Represents the 4.450% Senior Notes Due in 2031.
vrsk_DebtInstrumentRedemptionPremiumPercentage
Debt Instrument, Redemption Premium Percentage
The redemption premium percentage for a debt instrument.
The 5.125% Senior Notes Due in 2036 [Member]
Represents the 5.125% Senior Notes Due in 2036.
Other current assets
vrsk_TreasuryStockPercentOfAggregatePurchasePrice
Treasury Stock, Percent of Aggregate Purchase Price
Represents the percent of aggerate purchase price for the treasury shares.
Net income
us-gaap_ProfitLoss
The February 18, 2026 Term Loan Agreement [Member]
Represents the term loan agreement for February 18, 2026.
Scenario [Axis]
Scenario [Domain]
Forecast [Member]
Unamortized premium, and net of unamortized discount and debt issuance costs
vrsk_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNetNoncurrent
Amount of unamortized debt discount premium and debt issuance costs, net classified as noncurrent.
Weighted-average shares outstanding:
Exercisable, options, aggregate intrinsic value
Income taxes
Common stock, par value (in dollars per share)
The 5.250% Senior Notes Due in 2035 [Member]
Represents the 5.250% Senior Notes Due in 2035.
Other financing activities, net
Foreign currency translation adjustment
us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
The 5.750% Senior Notes Due in 2033 [Member]
Represents the 5.750% Senior Notes Due in 2033.
us-gaap_Assets
Total assets
The 4.125% Senior Notes Due in 2029 [Member]
Represents the 4.125% Senior Notes Due in 2029.
The 3.625% Senior Notes Due in 2050 [Member]
Represents the 3.625% Senior Notes Due in 2050.
Net of cash acquired from acquisitions
The 5.500% Senior Notes Due in 2045 [Member]
Represents the 5.500% Senior Notes Due in 2045.
The 5.250% Senior Notes Due in 2034 [Member]
Represents the 5.250% Senior Notes Due in 2034.
Cash and cash equivalents
Geographical [Domain]
Geographical [Axis]
Other Postretirement Benefits Plan [Member]
us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
Common Stock, Capital Shares Reserved for Future Issuance (in shares)
us-gaap_EarningsPerShareDiluted
Diluted net income per share attributable to Verisk: (in dollars per share)
us-gaap_ContractWithCustomerLiabilityNoncurrent
Contract with Customer, Liability, Noncurrent
us-gaap_ContractWithCustomerLiability
Contract Liabilities
Contract Liabilities
The 4.500% Senior Notes Due in 2030 [Member]
Represents the 4.500% Senior Notes Due in 2030.
Deferred revenues
us-gaap_DepreciationDepletionAndAmortization
Depreciation and amortization of fixed assets
vrsk_DebtInstrumentCovenantConsolidatedFundedDebtLeverageRatio
Debt Instrument, Covenant, Consolidated Funded Debt Leverage Ratio
The consolidated funded debt leverage ratio for the debt instrument.
The 5.125% Senior Note Due in 2036 [Member]
Represents the 5.125% Senior Notes Due in 2036.
us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
Net share settlement from RSAs
vrsk_DebtInstrumentCovenantConsolidatedInterestCoverageRatio
Debt Instrument, Covenant, Consolidated Interest Coverage Ratio
The ratio for the consolidated interest coverage ratio related to the debt instrument.
vrsk_DebtInstrumentCovenantConsolidatedFundedDebtLeverageRatioSecondIncrease
Debt Instrument, Covenant, Consolidated Funded Debt Leverage Ratio, Second Increase
The second amount the consolidated funded debt leverage ratio can be increased to.
vrsk_DebtInstrumentCovenantConsolidatedFundedDebtLeverageRatioFirstIncrease
Debt Instrument, Covenant, Consolidated Funded Debt Leverage Ratio, First Increase
The first increase to the consolidated funded debt leverage ratio for the debt instrument.
Interest paid
vrsk_ExciseTaxAssociatedWithShareRepurchases
Net excise tax associated with share repurchases
Represents the amount of excise tax from share repurchases during the period.
TSR Based PSUs [Member]
Represents the TSR based PSUs.
us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
Less: Comprehensive income attributable to noncontrolling interests
Federal Income Tax Note [Table]
Term Loan Facility [Member]
Represents the term loan facility.
us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
Comprehensive income
us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
Total stockholders’ (deficit) equity
Balance
Balance
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised
Exercised or lapsed, number of shares (in shares)
Key Employees [Member]
Represents the key employees.
Issuance costs
us-gaap_DeferredFinanceCostsCurrentNet
Parent [Member]
us-gaap_DeferredFinanceCostsNoncurrentNet
Syndicated revolving credit facility debt issuance costs
Noncontrolling Interest [Member]
us-gaap_StockholdersEquity
Total Verisk stockholders' (deficit) equity
Canceled, expired or forfeited, weighted average exercise price (in dollars per share)
us-gaap_PaymentsOfDividends
Payments of Dividends
Dividends paid
Stock, Class of Stock [Table]
Operating lease right-of-use assets, net
Other noncurrent liabilities
ecd_Rule10b51ArrTrmntdFlag
Rule 10b5-1 Arrangement Terminated [Flag]
Revenues
ecd_Rule10b51ArrAdoptedFlag
Rule 10b5-1 Arrangement Adopted [Flag]
Commitments and contingencies (Note 12)