75000 - Document - Document And Entity Information
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link:definitionLink
75010 - Statement - Consolidated Statement of Operations
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link:definitionLink
75020 - Statement - Consolidated Statement of Comprehensive Income
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link:definitionLink
75030 - Statement - Consolidated Statement of Financial Position
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75040 - Statement - Consolidated Statement of Changes In Equity
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75050 - Statement - Consolidated Statement of Cash Flows
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75060 - Disclosure - Cybersecurity Risk Management, Strategy and Governance
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995457 - Disclosure - Note 1 - Corporate Information and Group Structure
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995467 - Disclosure - Note 2 - Accounting Policies, Judgments, and Estimation Uncertainty
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995477 - Disclosure - Note 3 - Revenue
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995487 - Disclosure - Note 4 - Personnel Expenses, Including Share-based Compensation
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995497 - Disclosure - Note 5 - Other Operating Expenses
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995507 - Disclosure - Note 6 - Finance Income and Finance Expenses
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995517 - Disclosure - Note 7 - Income Tax
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995527 - Disclosure - Note 8 - Earnings Per Share
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995537 - Disclosure - Note 9 - Property and Equipment
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995547 - Disclosure - Note 10 - Goodwill and Intangible Assets
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995557 - Disclosure - Note 11 - Investments in Unconsolidated Entities
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995567 - Disclosure - Note 12 - Trade and Other Receivables
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995577 - Disclosure - Note 13 - Leases
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995587 - Disclosure - Note 14 - Trade and Other Payables, and Other Current Liabilities
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995597 - Disclosure - Note 15 - Financial Assets and Financial Liabilities
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995607 - Disclosure - Note 16 - Capital Management
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995617 - Disclosure - Note 17 - Related Parties
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995627 - Disclosure - Note 18 - Events After the Reporting Period
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995637 - Disclosure - Significant Accounting Policies (Policies)
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995647 - Disclosure - Note 3 - Revenue (Tables)
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995657 - Disclosure - Note 4 - Personnel Expenses, Including Share-based Compensation (Tables)
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995667 - Disclosure - Note 5 - Other Operating Expenses (Tables)
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995677 - Disclosure - Note 6 - Finance Income and Finance Expenses (Tables)
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995687 - Disclosure - Note 7 - Income Tax (Tables)
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995697 - Disclosure - Note 8 - Earnings Per Share (Tables)
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995707 - Disclosure - Note 9 - Property and Equipment (Tables)
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995717 - Disclosure - Note 10 - Goodwill and Intangible Assets (Tables)
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995727 - Disclosure - Note 11 - Investments in Unconsolidated Entities (Tables)
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995737 - Disclosure - Note 12 - Trade and Other Receivables (Tables)
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995747 - Disclosure - Note 13 - Leases (Tables)
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995757 - Disclosure - Note 14 - Trade and Other Payables, and Other Current Liabilities (Tables)
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995767 - Disclosure - Note 15 - Financial Assets and Financial Liabilities (Tables)
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995777 - Disclosure - Note 16 - Capital Management (Tables)
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995787 - Disclosure - Note 17 - Related Parties (Tables)
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995797 - Disclosure - Note 1 - Corporate Information and Group Structure (Details Textual)
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995807 - Disclosure - Note 2 - Accounting Policies, Judgments, and Estimation Uncertainty (Details Textual)
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995817 - Disclosure - Note 3 - Revenue (Details Textual)
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995827 - Disclosure - Note 3 - Revenue - Disaggregation of Revenue (Details)
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995837 - Disclosure - Note 3 - Revenue - Disclosure of Remaining Performance Obligations (Details)
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995847 - Disclosure - Note 3 - Revenue - Disclosure of Deferred Revenue (Details)
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995857 - Disclosure - Note 4 - Personnel Expenses, Including Share-based Compensation (Details Textual)
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995867 - Disclosure - Note 4 - Personnel Expenses, Including Share-based Compensation - Summary of Amounts of Personnel Expenses Excluding Share-based Compensation (Details)
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995877 - Disclosure - Note 4 - Personnel Expenses, Including Share-based Compensation - Summary of Amounts of Share-based Compensation Expenses (Details)
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995887 - Disclosure - Note 4 - Personnel Expenses, Including Share-based Compensation - Summary of Movements in Number of RSUs and Options (Details)
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995897 - Disclosure - Note 4 - Personnel Expenses, Including Share-based Compensation - Summary of Weighted Average Values for Inputs Used in Valuation Techniques (Details)
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995907 - Disclosure - Note 4 - Personnel Expenses, Including Share-based Compensation - Schedule of Compensation to Key Management Personnel (Details)
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995917 - Disclosure - Note 4 - Personnel Expenses, Including Share-based Compensation - Summary of Research and Development Summary of Research and Development Personnel Costs (Details)
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995927 - Disclosure - Note 5 - Other Operating Expenses - Summary of Items of Other Operating Expenses (Details)
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995937 - Disclosure - Note 6 - Finance Income and Finance Expenses - Summary of items of Finance Income and Finance Expenses, Including Foreign Exchange Gains and Losses (Details)
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995947 - Disclosure - Note 7 - Income Tax - Summary of Income Tax Expense (Details)
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995957 - Disclosure - Note 7 - Income Tax (Details Textual)
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995967 - Disclosure - Note 7 - Income Tax - Reconciliation of Differences Between Expected Income Tax Expense Expressed as Accounting Profit Multiplied by Corporate Income Tax Rate and Actual Income Tax Expense (Details)
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995977 - Disclosure - Note 7 - Income Tax - Reconciliation of Differences Between Expected Income Tax Expense Expressed as Accounting Profit Multiplied by Corporate Income Tax Rate and Actual Income Tax Expense (Parenthetical) (Details)
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995987 - Disclosure - Note 7 - Income Tax - Reconciliation of Deferred Taxes by Type of Temporary Differences (Details)
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995997 - Disclosure - Note 7 - Income Tax - Deferred Tax Assets and Liabilities (Details)
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996007 - Disclosure - Note 8 - Earnings Per Share (Details Textual)
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996017 - Disclosure - Note 8 - Earnings Per Share - Income (Loss) Per Share (Details)
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996027 - Disclosure - Note 9 - Property and Equipment (Details Textual)
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996037 - Disclosure - Note 9 - Property and Equipment - Components of Property, Plant and Equipment, Net (Details)
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996047 - Disclosure - Note 9 - Property and Equipment - Estimated Useful Lives of Property, Plant and Equipment (Details)
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996057 - Disclosure - Note 10 - Goodwill and Intangible Assets (Details Textual)
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996067 - Disclosure - Note 10 - Goodwill and Intangible Assets - Reconciliation of the Carrying Amounts of Goodwill and Intangible Assets (Details)
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996077 - Disclosure - Note 10 - Goodwill and Intangible Assets - Reconciliation of the Carrying Amounts of Goodwill and Intangible Assets (Parenthetical) (Details)
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996087 - Disclosure - Note 10 - Goodwill and Intangible Assets - Summary of Estimated Useful Lives of Intangible Assets with Limited Useful Life (Details)
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996097 - Disclosure - Note 11 - Investments in Unconsolidated Entities - Summary of Investments in Unconsolidated Entities (Details)
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996107 - Disclosure - Note 11 - Investments in Unconsolidated Entities (Details Textual)
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996117 - Disclosure - Note 11 - Investments in Unconsolidated Entities - Summary of Equity Value, Period of Time until Potential Liquidity Events and Probabilities (Details)
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996127 - Disclosure - Note 11 - Investments in Unconsolidated Entities - Summary of Reconciliation of Carrying Amounts of Investments (Details)
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996137 - Disclosure - Note 11 - Investments in Unconsolidated Entities - Summary of Individual Sensitivities of Key Unobservable Inputs to the Fair Value Measurement (Details)
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996147 - Disclosure - Note 11 - Investments in Unconsolidated Entities - Summary of Financial Position Data (Details)
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996157 - Disclosure - Note 11 - Investments in Unconsolidated Entities - Disclosure of Income Data (Details)
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996167 - Disclosure - Note 12 - Trade and Other Receivables - Summary of Trade Receivables (Details)
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996177 - Disclosure - Note 12 - Trade and Other Receivables - Summary of Aging of Trade Receivables (Details)
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996187 - Disclosure - Note 12 - Trade and Other Receivables - Summary of Provision for Impairment of Trade Receivables (Details)
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996197 - Disclosure - Note 12 - Trade and Other Receivables (Details Textual)
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996207 - Disclosure - Note 12 - Trade and Other Receivables - Summary of Movements in Carrying Amount of Receivable (Details)
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996217 - Disclosure - Note 13 - Leases (Details Textual)
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996227 - Disclosure - Note 13 - Leases - Summary of Lease Liabilities (Details)
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996237 - Disclosure - Note 13 - Leases - Summary of Lease Liabilities (Details) 2
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996247 - Disclosure - Note 13 - Leases - Summary of Carrying Amounts of Right-of-Use Assets (Details)
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996257 - Disclosure - Note 13 - Leases - Lease Amounts Included in Statement of Operations (Details)
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996267 - Disclosure - Note 14 - Trade and Other Payables, and Other Current Liabilities - Summary of Trade and Other Payables, and Other Current Liabilities (Details)
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996277 - Disclosure - Note 15 - Financial Assets and Financial Liabilities - Summary of Carrying Amounts of Financial Assets and Financial Liabilities (Details)
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996287 - Disclosure - Note 15 - Financial Assets and Financial Liabilities (Details Textual)
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996297 - Disclosure - Note 15 - Financial Assets and Financial Liabilities - Summary of Sensitivity Analysis Impact on Income Before Income Taxes (Details)
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996307 - Disclosure - Note 15 - Financial Assets and Financial Liabilities - Summary of Maturity Profile of Financial Liabilities Based on Contractual Undiscounted Payments (Details)
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996317 - Disclosure - Note 15 - Financial Assets and Financial Liabilities - Summary of Changes in Liabilities Arising from Financing Activities (Details)
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996327 - Disclosure - Note 16 - Capital Management (Details Textual)
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996337 - Disclosure - Note 16 - Capital Management - Summary of Dividends Declared and Distributed (Details)
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996347 - Disclosure - Note 16 - Capital Management - Summary of Gains and Losses on Investment Portfolio (Details)
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996357 - Disclosure - Note 16 - Capital Management - Summary of Net Gains on Investment Portfolio (Details)
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996367 - Disclosure - Note 17 - Related Parties (Details Textual)
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996377 - Disclosure - Note 17 - Related Parties - Summery of Outstanding Balances and Transactions (Details)
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996387 - Disclosure - Note 18 - Events After the Reporting Period -Additional Information (Details)
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ifrs-full_CashOutflowForLeases
Cash outflow for leases
Disclosure of financial assets [table]
Foreign currency translation reserve
Travel
Travel
Other personnel-related expenses
Other personnel-related expenses
The amount of expenses related to hosting.
Hosting
Hosting
Disclosure of initial application of standards or interpretations [table]
The disclosure of carrying amounts of investments in associates and joint ventures.
Disclosure of carrying amounts of investments in associates and joint ventures [text block]
Summary of Investments in Unconsolidated Entities
Top of range [member]
Top of range [member]
Foreign exchange (gain) loss
Advertising [member]
This member stand for advertising.
Entity Incorporation, State or Country Code
Trade receivables [member]
This member stands for temporary differences attributable to trade receivables.
Temporary difference, trade receivables [member]
Verda Ventures.
Verda Ventures [Member]
Verda Venture (MiniPay Fund)
Represents net deduction of value to reflect various scenarios of impacts related to the provisions in the agreement.
opra_NetDeductionOfValueToReflectVariousScenariosOfImpactsRelatedToTheProvisions
Net deduction of value to reflect various scenarios of impacts related to the provisions
Disclosure of Leases [table]
Disclosure of leases.
Represents Probability-weighted Present Value
opra_ProbabilityweightedPresentValue
Probability-weighted present value
Entity Current Reporting Status
Capitalized Development Expenditure Excluded From Personnel Expense
Capitalized development expenditure excluded from personnel expense.
Capitalized development costs (Note 10)
Capitalized development costs (Note 10)
Share-based remuneration, net of tax
Share-based compensation, net of tax
Amount of trade receivables before allowance.
opra_TradeReceivablesGross
Trade receivables
Gross carrying amount of trade receivables
Other interest expense
Other Interest Expense
Other interest expense.
Share Based Compensation Expense
Share based compensation expense.
Total share-based compensation expenses
Share-based compensation expenses
Share-based compensation expenses
Assets (liabilities)
Net assets (liabilities)
Net assets
Classes of property, plant and equipment [axis]
ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities
Payment of lease liabilities
Non-current lease liabilities
Non-current lease liabilities
Current [member]
Increase Decrease Through Changes Allowance Account For Credit Losses Of Financial Assets
Increase decrease through changes allowance account for credit losses of financial assets.
Increase (decrease) in loss allowance
Classes of financial assets [axis]
Unrecognized Income (Loss) from Joint Ventures
Unrecognized income (loss) from joint ventures.
Unrecognized income (loss) from joint ventures
Document Fiscal Period Focus
Reconciliation of the Carrying Amount of Goodwill and Intangible Assets
Disclosure of detailed information about intangible assets [abstract]
The expected volatility of the share price used to calculate the fair value of the other equity instruments granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in other equity instruments pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time.
opra_ExpectedVolatilityOtherEquityInstrumentsGranted
Expected volatility
Disclosure of Financial Position Data In Associates and Joint Ventures [Text Block]
Disclosure of financial position data in associates and joint ventures.
Summary of Financial Position Data
Entity Shell Company
Technology [member]
Technology-based intangible assets [member]
Recognition and derecognition of deferred tax assets
Tax Effect Of Recognition And Derecognition Of Deferred Tax Assets
Tax effect of recognition and derecognition of deferred tax assets.
Investments in financial asset
Investments in financial asset.
Carrying amount, balance
Carrying amount, balance
ifrs-full_CashFlowsFromUsedInFinancingActivities
Net cash flow used in financing activities
Post-employment and medical benefits
Post-employment and medical benefits
Cybersecurity Risk Management, Strategy, and Governance [Abstract]
Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag]
Term of right-of-use assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.
opra_RightofuseAssetsTermOfContract
Right-of-use assets, Term of Contract (Month)
The amount of reclassification adjustments related to the share of other comprehensive loss of equity-accounted investees.
opra_ReclassificationAdjustmentsOnShareOfOtherComprehensiveLossOfEquityaccountedInvesteesNetOfTax
Reclassification of share of other comprehensive loss of equity-accounted investees
Cybersecurity Risk Board of Directors Oversight [Text Block]
USDC and USDT [member]
USDC and USDT.
Effect of exchange rate changes on cash and cash equivalents
Kunlun [member]
Related to Kunlun Tech Limited.
Kunlun Tech Limited [member]
Classes of financial instruments [axis]
The amount of expenses related to software license.
Software license fees
Software license fees
ifrs-full_FinanceCosts
Finance expense
Total finance expenses
Duration of initial simulation period (years to longstop date)
The duration of initial simulation period for other equity instruments granted.
opra_DurationOfInitialSimulationPeriodOtherEquityInstrumentsGranted
Entity Filer Category
Within One Year [Member]
Not later than one year [member]
In the first year [member]
Price Risk [member]
Price Risk.
ifrs-full_OtherIntangibleAssets
Other intangible assets
Capital Reserved For Investments In Marketable Securities
Capital reserved for investments in marketable securities.
Capital reserved for investments in marketable securities
Interest income on receivable from sale of Star X
Interest income
Interest income on Star X receivable
Segments [domain]
Classes of intangible assets and goodwill [domain]
ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods
Current income taxes
Amount of increase in other equity instruments from dividend.
opra_NumberOfInstrumentsOtherEquityInstrumentsIncreaseFromDividends
Number of Instruments, Other Equity Instruments, Increase From Dividends (in shares)
Disclosure of Income Data In Associates and Joint Ventures [Text Block]
Disclosure of income data in associates and joint ventures.
Disclosure of Income Data
NIGERIA
Nigeria [member]
Total financial liabilities
Financial liabilities
Financial liabilities at beginning of period
Financial liabilities at end of period
Total financial liabilities
Financial liabilities
Decrease In Deferred Tax Benefit Recognized In Equity
Decrease in deferred tax benefit recognized in equity.
Decrease in deferred tax benefit recognized in equity
Cybersecurity Risk Third Party Oversight and Identification Processes [Flag]
Exercise price, RSU (in dollars per share)
Outstanding at period end RSUs, weighted average grant date fair value (in dollars per share)
Outstanding at beginning of period, RSUs, weighted average grant date fair value (in dollars per share)
Temporary difference, unused tax losses and unused tax credits [axis]
The value of significant unobservable input used in the measurement of the fair value of assets.
Time horizon
Note 13 - Lease Liabilities and Other Loans - Noncurrent and Current (Details)
This member stands for a financial forecast of cash flows from an initial public offering, used as a measurement input.
Financial forecast of cash inflows (outflows) from initial public offering [member]
Cybersecurity Risk Management Third Party Engaged [Flag]
Cash and cash equivalents
Cash and cash equivalents at end of period
Cash and cash equivalents at beginning of period
Total cash and cash equivalents
Operating profit
ifrs-full_ProfitLossFromOperatingActivities
ifrs-full_TradeAndOtherPayables
Total trade and other payables
Paid in cash
Dividends Paid In Cash
Dividends paid in cash.
Later than six months and not later than one year [member]
In the first year [member]
Tax using the Norwegian tax rate of 22%
ifrs-full_TaxExpenseIncomeAtApplicableTaxRate
Assets:
Leases
Disclosure of leases [text block]
Geographical [Domain]
Disclosure of transactions between related parties [abstract]
ifrs-full_ComprehensiveIncome
Total comprehensive income attributable to Opera shareholders
ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities
Income taxes paid
Depreciation
Depreciation
Share of Net Assets
Share of net assets.
Opera's share of net assets
Carrying amount [member]
Number of Instruments Other Equity Instruments Transferred
Number of instruments other equity instruments transferred.
Number of shares transferred
Useful life (Year)
Useful life measured as period of time, property, plant and equipment (Year)
Receivables
Amounts receivable, related party transactions
Summary of Movements in Number of RSUs and Options
The disclosure of the number and weighted average exercise prices of share options and other equity instruments.
Disclosure of number and weighted average exercise prices of share options and other equity instruments [text block]
Currency [Axis]
Recognition and derecognition of deferred tax assets, percentage
Tax Rate Effect Of Recognition And Derecognition Of Deferred Tax Assets
Tax rate effect of recognition and derecognition of deferred tax assets.
Disclosure of reconciliation of changes in intangible assets and goodwill [abstract]
ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations
Diluted earnings per ADS (in dollars per share)
Lease liabilities
Total lease liabilities
Investment commitment
Investment commitment.
Sensitivity analysis change in long-term growth rate
Sensitivity analysis change in long-term growth rate.
Proceeds from sales of financial assets
Proceeds from sales of financial assets.
Cybersecurity Risk Management, Strategy, and Governance [Table]
Management fee
Management Fees
Management fees.
Management fee
Intangible assets
Total intangible assets other than goodwill
Remaining Capital Commitments
Remaining capital commitments.
Remaining capital commitments
Related to AB Fjord Bank.
AB Fjord Bank [member]
Document Shell Company Report
Intangible assets with indefinite useful life [axis]
Tax Effect Of Pillar Two Top Up Taxes
Tax effect of pillar two top up taxes.
Pillar Two top-up taxes
Pillar Two top-up taxes
Network Infrastructure [member]
Disclosure of non-adjusting events after reporting period [abstract]
Corporate Information and Group Structure [line items]
Corporate information and group structure.
Restricted Share Units (RSU), 2025 [Member]
Restricted share units (RSU), 2025.
Disclosure of transactions between related parties [line items]
Foreign Currencies
Description of accounting policy for foreign currency translation [text block]
ifrs-full_GoodwillRecognisedAsOfAcquisitionDate
Goodwill recognised as of acquisition date
Deferred tax benefit (liability) recognized in equity
Deferred tax recognized in equity (1)
Deferred tax benefit recognized in equity
Adjustments for decrease (increase) in other current assets
Other current assets
Other effects
Other tax effects for reconciliation between accounting profit and tax expense (income)
Income (loss) before income taxes
ifrs-full_ProfitLossBeforeTax
Income before income taxes
Income before income taxes
Current portion
Deferred Tax Assets and Liabilities
Disclosure Of Deferred Tax Assets And Liabilities Explanatory
Disclosure of deferred tax assets and liabilities.
Revenue
Total revenue
Other [member]
Other temporary differences [member]
Initially applied IFRSs [axis]
Related to listed equity instruments.
Listed equity instruments [member[
Change in other liabilities
Other liabilities
Share Repurchase Program, Period
Share repurchase program, period.
Share repurchase program, period
ifrs-full_CashFlowsFromUsedInOperatingActivities
Net cash flow from operating activities
ifrs-full_AdjustmentsForFairValueGainsLosses
Fair value gain on investments
Fair value gain on long-term investments
ifrs-full_Liabilities
Total liabilities
Other non-current investments and financial assets
Non-current investments other than investments accounted for using equity method
American depositary share (ADS) is a U.S. dollar-denominated equity share of a foreign-based company available for purchase on an American stock exchange. American Depositary Shares (ADSs) are issued by depository banks in the U.S. under agreement with the issuing foreign company.
ADS [member]
CELO and other crypto assets [member]
Represents CELO and other crypto assets.
CELO and Other Crypto Assets [Member]
Represents Star X.
Star X [member]
Capital Reserve For Net Gain Prior to Termination
Capital reserve for net gain prior to termination.
Net gain prior to termination
Tax using the Norwegian tax rate of 22%, percentage
Tax using the Norwegian tax rate of 22%, percentage
ifrs-full_ApplicableTaxRate
Applicable tax rate
Entity Well-known Seasoned Issuer
The rate of interest on investment.
opra_InvestmentInterestRate1
Investment, interest rate
This member stand for provision for impairment of trade receivables.
Provision for impairment of trade receivables [member]
Description of accounting policy for new and amended accounting standards [text block]
he description of the entity's accounting policy for new and amended accounting standards.
New and Amended Accounting Standards
Material income and expense [abstract]
Loss allowance as of December 31
Loss allowance as of January 1
Loss allowance as of December 31
Loss allowance as of December 31
ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets
Loss allowance as of December 31
Loss allowance as of January 1
Allowance for expected credit losses
Represents information regarding options and RSUs together.
Options and RSUs [member]
Disclosure of disaggregation of revenue from contracts with customers [table]
Deferred revenue
Effect of shares issued (in shares)
Effect of shares issued upon exercise of equity awards
Additions
Discontinued operations [member]
Other expenses
Other expenses
Amendment Flag
Kenya, Shillings
Kenyan shilling [member]
This member stands for interest bearing loans.
Interest bearing loans [member]
Disclosure Of Personnel Expenses Excluding Share Based Compensation [Table Text Block]
Disclosure of personnel expenses excluding share based compensation.
Summary of Amounts of Personnel Expenses Excluding Share-based Compensation
Effect of change in useful life
Effect of change in useful life.
Effect of changes due to reduction in depreciation expenses
Disclosure of detailed information about property, plant and equipment [line items]
Borrowings by name [domain]
Summary of Trade Receivables and Other Current Receivables
Disclosure of trade receivables and other current receivables [text block]
The disclosure of trade receivables and other current receivables.
Later than one month and not later than two months [member]
Classes of intangible assets and goodwill [axis]
ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement
Forfeited, RSUs
Later than two months and not later than three months [member]
Disclosure of information about key management personnel [text block]
Schedule of Compensation to Key Management Personnel (Details)
Entity Address, Postal Zip Code
Categories of related parties [domain]
Increase (decrease) in number of ordinary shares issued
Acquisition of treasury shares (in shares)
Share repurchases (in shares)
The increase (decrease) in the number of shares from dividends.
Dividend adjustment awards granted (in shares)
Major customers [axis]
Cybersecurity Risk Role of Management [Text Block]
Crypto assets [member]
This member stands for crypto assets.
The amount of decrease in investment accounted for using equity method fair value measurement.
Decrease in assumption
Entity Address, Address Line One
Singapore, Dollars
Singapore dollar [member]
Interest income
Interest income
Equity to asset ratio, measurement input [member]
Equity to asset ratio, measurement input.
Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]
Disclosure of performance obligations [table]
Discount rate, measurement input [member]
United States [member]
Represents the United States.
Disclosure of nature and extent of risks arising from financial instruments [table]
Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block]
ifrs-full_NumberOfSharesIssued
Issued shares at beginning of period (in shares)
Classes of employee benefits expense [abstract]
The amount of consideration to be received for disposal group held for sale.
opra_DisposalGroupHeldForSaleConsiderationToBeReceived
Disposal group held for sale, consideration to be received
Unobservable inputs [axis]
Income Taxes
Disclosure of income tax [text block]
Norwegian krone [member]
Norway, Krone
Document Type
Other locations [member]
Represents geographical areas classified as other.
Other geographical areas [member]
Summary of Sensitivity Analysis Impact on Income Before Income Taxes
Disclosure Of Detailed Information Of Sensitivity Impact Analysis On Income Before Income Taxes [text block]
Disclosure of detailed information of sensitivity impact analysis on income before income taxes.
ifrs-full_PercentageOfEntitysRevenue
Percentage of entity's revenue
ifrs-full_OperatingExpense
Total operating expenses
Kunlun Tech RSU [member]
Kunlun Tech RSU [Member]
Represents Kunlun Tech RSU.
Total lease-related expenses
Amount of lease-related expenses.
opra_LeaserelatedExpenses
Total lease-related expenses
ifrs-full_CashFlowsFromUsedInInvestingActivities
Net cash flow from (used in) investing activities
Entity Central Index Key
Growth rate used to extrapolate cash flow projections
Growth rate of revenue
Pillar two minimum tax rate percentage
Pillar Two Minimum Tax Rate Percentage
Pillar two minimum tax rate percentage.
New, modified and disposed leases
New, modified and terminated leases
This member stands for recognized during 2024.
Recognized during 2024 [member]
Paid in cash
ifrs-full_DividendsPaid
Dividends recognised as distributions to owners
Dividends
Investments in Unconsolidated Entities
Disclosure of interests in other entities [text block]
ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
Impairment of non-financial assets
Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block]
Licences [member]
Dividend Payable, Date of Record
Dividend payable, date of record.
Dividend payable, date of record
Bottom of range [member]
Represents Opera Norway AS.
Opera Norway AS [member]
Continuing and discontinued operations [axis]
Foreign exchange gain (loss)
The gains (losses) arising from foreign net exchange relating to leases.
opra_GainsLossesArisingFromForeignNetExchangeRelatingToLeases
Trademark [member]
This member stands for trademark.
Trademark [member]
Dividends paid
ifrs-full_DividendsPaidClassifiedAsFinancingActivities
Geographical areas [axis]
ifrs-full_Borrowings
Total borrowings
Total lease liabilities and other loans
Represents Change in assumption of unobservable input in years.
Time to exit (Year)
The reasonable possible increase (decrease) in operating expenditure which would result in cash generating unit to be impaired.
opra_SensitivityAnalysisReasonablyPossibleIncreaseDecreaseInOperatingExpenditure
Sensitivity analysis, reasonably possible increase (decrease) in operating expenditure
Fair value gain on long-term investments
Fair value gain on long term investments
Fair value gain on long term investments.
Goodwill [member]
Goodwill [member]
Associates [domain]
Total compensation to key management personnel
ifrs-full_KeyManagementPersonnelCompensation
Total compensation to key management personnel
Cumulative Net Gain (Loss) Related To Marketable Securities
Cumulative net gain (loss) related To marketable securities.
Cumulative net gain related to marketable securities
Euro Member Countries, Euro
Euro [member]
Retained earnings [member]
Represents unlisted preferred and ordinary shares.
Unlisted preferred and ordinary shares [member]
Document Financial Statement Error Correction [Flag]
Categories of financial assets [domain]
Types of risks [domain]
USDC [member]
USDC.
USDC [member]
ADS equivalent [member]
This member stands for American depositary shares.
Trade and Other Payables, and Other Current Liabilities
Disclosure of trade and other payables [text block]
The weighted average remaining contractual life of outstanding share options and other equity instruments.
opra_WeightedAverageRemainingContractualLifeOfOutstandingShareOptionsAndOtherEquityInstruments
Weighted average remaining contractual life of outstanding share options and other equity instruments (Year)
Three year cumulative inflation rate
Three-year cumulative inflation rate.
Three-year cumulative inflation rate
Current Fiscal Year End Date
Disclosure of research and development expense [text block]
Summary of Research and Development Personnel Costs
Technology licensing and other revenue [member]
This member stand for Technology licensing and other revenue.
Dividends, amount
Total dividends
Dividend
Dividend
Special [member]
Special Dividend [Member]
Special dividend.
Explanation of period over which revenue is expected to grow
Explanation of period over which management has projected cash flows
Proceeds from sales of other long-term assets
Proceeds from sales of other long-term assets, classified as investing activities
Sale of long-term investments
ifrs-full_OtherNoncurrentFinancialLiabilities
Other non-current liabilities
Types of financial liabilities [domain]
Dividends recognised as distributions to owners per share
Dividends, per share
Per share
ifrs-full_CurrentLiabilities
Total current liabilities
The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease.
Security deposit [member]
Geographical [Axis]
This member stands for software member.
Software [member]
ifrs-full_RevenueFromSaleOfGoodsRelatedPartyTransactions
Sales of goods and services
ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill
Useful life (Year)
Weighted average grant date fair value of RSUs granted
Regular awards granted RSUs, weighted average grant date fair value (in dollars per share)
ifrs-full_FinanceIncomeCost
Net finance income (expense)
Non-adjusting events after reporting period [axis]
Trade and Other Receivables
Disclosure of trade and other receivables [text block]
Tax Rate Effect Of Pillar Two Top Up Taxes
Tax rate effect of pillar two top up taxes.
Pillar two top up taxes, percentage
Repurchase of shares
Share repurchases, amount
Payments to acquire or redeem entity's shares
Repurchase of shares
Share repurchases
This member stands for other receivables.
Other receivables [member]
Classes of financial liabilities [domain]
Office Premises [Member]
Office Premises [Member]
Office Premises.
Office premises [member]
Disclosure of unconsolidated structured entities [table]
ifrs-full_TradeAndOtherPayablesToRelatedParties
Trade and other payables due to related parties (Note 17)
Shares Repurchased, Average Price Per Share
Shares repurchased, average price per share.
Shares repurchased, average price per share
The increase (decrease) in liabilities arising from financing activities resulting from interest expense.
opra_IncreaseDecreaseThroughEffectOfChangesInInterestExpenseLiabilitiesArisingFromFinancingActivities
Interest expense
Related to YoYo Games Limited.
YoYo Games Limited [member]
New or amended IFRS Accounting Standard is applied early
Disclosure of Financial Assets and Financial Liabilities [Abstract]
Disclosure of financial assets and financial liabilities.
Different tax rates of subsidiaries operating in other jurisdictions
Tax Effect Of Different Tax Rates Of Subsidiaries Operating In Other Jurisdictions
Tax effect of different tax rates of subsidiaries operating in other jurisdictions.
Disclosure of financial risk management [text block]
Financial Assets and Financial Liabilities
Summary of Income Tax Expense
Disclosure of major components of tax expense (income).
Major components of tax expense (income) [text block]
This member stands for a financial forecast of cash flows from sales transactions, used as a measurement input.
Financial forecast of cash inflows (outflows) from sales transactions, measurement input [member]
The amount of expense recognized for technology and platform fees.
opra_TechnologyAndPlatformFeeExpense
Technology and platform fees
Dividends proposed or declared before financial statements authorised for issue but not recognised as distribution to owners per share (in dollars per share)
Per share
Dividends, per share
Disclosure of detailed information about financial instruments [text block]
Summary of Carrying Amounts of Financial Assets and Financial Liabilities
Tax-exempt income, percentage
Tax rate effect of revenues exempt from taxation
Tax rate effect of revenues exempt from taxation
Tax-exempt income, percentage
Nanobank [member]
This member stands for Nanobank.
Classes of liabilities [axis]
Interest paid
ifrs-full_InterestPaidClassifiedAsFinancingActivities
Statement Table [Table]
Statement 1 Table
Percentage Of Weakening In Closing Foreign Exchange Rate
Percentage of weakening in closing foreign exchange rate.
Percentage of weakening in closing exchange rate of foreign currencies
Forfeited options, weighted average grant date fair value (in dollars per share)
Disclosure of temporary difference, unused tax losses and unused tax credits [abstract]
Represents OPay Limited.
OPay Limited [member]
Deferred tax liabilities
Net deferred tax liabilities
Cash and cash equivalent [member]
Cash And Cash Equivalent [Member]
Cash And Cash Equivalent.
Changes in estimates related to prior years, percentage
Tax rate effect of adjustments for current tax of prior periods
Range [axis]
Payables
Amounts payable, related party transactions
ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
Exercised, options
Cash flows from investing activities:
The percent net reduction of value from shares valuation.
opra_SharesValuationNetReductionOfValuePercent
Shares valuation, net reduction of value, percent
Segments [axis]
Revenue from rendering of services, related party transactions
Revenue recognized
Change in trade and other receivables
Trade and other receivables
Trade and other receivables [abstract]
Disclosure of unconsolidated structured entities [line items]
Disclosure of financial liabilities [line items]
Financial forecast of profit (loss) for cash-generating unit, measurement input [member]
Disclosure of terms and conditions of share-based payment arrangement [table]
Number of instruments or interests issued or issuable
This member stands for office properties.
Office properties [member]
Additional paid-in capital [member]
Other
The amount of miscellaneous other receivable.
opra_MiscellaneousOtherReceivable
Classes of financial liabilities [axis]
Schedule of Compensation to Key Management Personnel [Abstract]
Schedule of compensation to key management personnel.
Number of other equity instruments granted in share-based payment arrangement
Regular awards granted, RSUs
Earnings per ADS and per ordinary share:
Earnings per share:
The disclosure of sensitivity analysis for equity instruments.
Disclosure of sensitivity analysis for equity value, timing and probabilities [text block]
Summary of Equity Value, Period of Time until Potential Liquidity Events and Probabilities
Represents total financial liabilities including interest.
Total financial liabilities, including interest
Additional paid-in capital
Additional paid-in capital
Classes of intangible assets other than goodwill [domain]
Unobservable inputs [domain]
Unrealized Gains
Unrealized gains.
Unrealized gains
Other effects, percentage
Other tax rate effects for reconciliation between accounting profit and tax expense (income)
Property and Equipment
Disclosure of property, plant and equipment [text block]
Transfers
Increase (decrease) through transfers, intangible assets and goodwill
Additions, net of government grants
ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
ifrs-full_AdjustmentsForFinanceIncomeCost
Net finance (income) expense
Country risk premium [member]
This member stands for the country risk premium used as a measurement input.
Country risk premium, measurement input [member]
Disclosure of Disaggregation of Revenue from Contracts with Customers
Summary of Movements in Carrying Amount of Receivable
The entire disclosure for receivables.
Disclosure of receivables [text block]
Total
Share Repurchases and Dividends
Share repurchases and dividends.
Total capital returns
Sensitivity analysis impact on income before income taxes
Increase (Decrease) On Income Before Income Taxes Through Change In Foreign Exchange Rate
Increase (decrease) on income before income taxes through change in foreign exchange rate.
Represents third party receivables.
Third party receivables [member]
Shares repurchased, average price paid per share
Shares Repurchased, Average Price Paid Per Share
Shares repurchased, average price paid per share.
Represents Keeneyes Future Holding Inc.
Keeneyes Future Holding Inc. [member]
Keeneyes Future Holding Inc. [member]
Disclosure of Detailed Information About Property, Plant and Equipment
Property and Equipment
Deferred tax liability amortization
Deferred Tax Liability Amortization
Deferred tax liability amortization.
Auditor Firm ID
Equipment [member]
This member stand for equipment.
Rent and other office expenses
Rent and other office expenses
Products and services [axis]
Disclosure of financial liabilities [table]
Salaries, including bonuses
Salaries, including bonuses
Trade and other receivables [table]
Trade and other receivables.
Current receivables due from joint ventures
Accounts receivable
Corporate information and statement of IFRS compliance [abstract]
The disclosure of detailed information about finance income (cost). [Refer: Finance income (cost)]
Disclosure of detailed information about finance income (cost) [text block]
Summary of items of Finance Income and Finance Expenses, Including Foreign Exchange Gains and Losses
Accounting Judgments and Estimation Uncertainty
The description of the entity's accounting policy for significant accounting estimates, judgements and assumptions.
Description of accounting policy for significant accounting estimates, judgements and assumptions [text block]
ifrs-full_RevenueFromContractsWithCustomers
Revenue from contracts with customers
ifrs-full_EquityAndLiabilities
Total equity and liabilities
The amount of content costs.
opra_ContentCost
Content cost
Disclosure of reconciliation of changes in intangible assets and goodwill [table]
ifrs-full_AdditionsToRightofuseAssets
Additions to right-of-use assets
This member stands for a financial forecast of cash flows from dissolution, used as a measurement input.
Financial forecast of cash inflows (outflows) from dissolution, measurement input [member]
Disposals, intangible assets other than goodwill
Disposals, intangible assets other than goodwill
Disposals
Cybersecurity Risk Management Positions or Committees Responsible [Text Block]
Types of risks [axis]
Disclosure of unconsolidated structured entities [abstract]
Finance income
Total finance income
Document Information [Line Items]
Share-based payment expense
Share-based compensation
Treasury shares [member]
Proceeds from exercise of share options
Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block]
Increase (decrease) through foreign exchange, financial assets
Effect of movements in exchange rates
Temporary difference, unused tax losses and unused tax credits [domain]
Number of Equal Quarterly Investments Committed
Number of equal quarterly investments committed
Number of equal quarterly investments committed.
Proceeds From Net Sale Of Short Term Investments Classified As Investing Activities
The cash inflow from sales of short-term investments that the entity does not separately disclose in the same statement or note, classified as investing activities.
Net sale of short-term investments
Joint ventures [domain]
Document Registration Statement
Disclosure of employee benefits [text block]
Personnel Expenses, Including Share-based Compensation
Goodwill
Disclosure of initial application of standards or interpretations [abstract]
Accumulated balance of unrecognized share of losses in associates
Accumulated balance of unrecognized share of losses in associates.
Accumulated unrecognized share of losses in associates
Duration of second simulation period with postponed exercise (years)
The duration of second simulation period with postponed exercise for other equity instruments granted.
opra_DurationOfSecondSimulationPeriodWithPostponedExerciseOtherEquityInstrumentsGranted
Disclosure Of Share Based Compensation [Table Text Block]
Disclosure of share based compensation.
Summary of Amounts of Share-based Compensation Expenses
Summary of Lease Liabilities
Disclosure of Borrowings and Finance Lease Liabilities
The disclosure of borrowings and finance lease liabilities.
Summary of Trade and Other Payables, and Other Current Liabilities
The disclosure of detailed information about trade and other payables.
Disclosure of detailed information about trade and other payables [text block]
Current lease liabilities
Classes of share capital [domain]
Corporate Information and Group Structure [table]
Corporate information and group structure.
Recurring Semi-annual Dividend [member]
Recurring Semi-annual Dividend [member]
Recurring semi-annual dividend.
Business Contact [Member]
Note 9 - Property and Equipment - Estimated Useful Lives of Property, Plant and Equipment (Details)
Disclosure of detailed information about intangible assets [line items]
Disclosure of terms and conditions of share-based payment arrangement [abstract]
- Share-based payment expense (Note 4)
Share-based compensation
Total cost of equity awards
Share-based compensation
Foreign currency translation reserve [member]
Later than three months [member]
Classes of share capital [axis]
Types of share-based payment arrangements [domain]
Disclosure of initial application of standards or interpretations [line items]
Trade and other payables
Issuance of shares upon exercise of equity awards (in shares)
Major customers [domain]
Sensitivity Analysis Reasonably Possible Increase Decrease In EBITDA Margin
Sensitivity analysis reasonably possible increase decrease in EBITDA margin.
Sensitivity analysis, reasonably possible increase (decrease) in EBITDA margin
Amount of increase (decrease) in investments in joint ventures and associates due to change in fair value of preferred shares.
Change in fair value of preferred shares
Time to exit.
Time to exit [member]
Interest expense (included in finance expense)
ifrs-full_InterestExpenseOnLeaseLiabilities
Interest expense (included in finance expense)
Interest expense on lease liabilities
Total other operating expenses
ifrs-full_OtherExpenseByNature
Total other operating expenses
Other operating expenses
Other expenses
Other expenses
ifrs-full_EquityAttributableToOwnersOfParent
Total equity attributable to Opera shareholders
ifrs-full_CurrentFinancialAssets
Current financial assets
Total current financial assets
Discount rate applied to cash flow projections
Discount rate applied to present value of cash flows
The amount of Personnel expenses excluding share-based remuneration.
opra_PersonnelExpensesExcludingSharebasedRemuneration
Total personnel expenses, excluding share-based compensation
Total personnel expenses, excluding share-based compensation
Personnel expenses excluding share-based compensation
Market risk premium, measurement input [member]
Market risk premium, measurement input.
Entity [Domain]
Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block]
Exchange differences on translation of foreign operations
Pillar Two Revenue Threshold Amount
Pillar two revenue threshold amount.
Pillar two revenue threshold amount
Cybersecurity Risk Management Expertise of Management Responsible [Text Block]
Net cash flow
ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities
ifrs-full_WeightedAverageSharePrice2019
Fair value of underlying share at grant date
Acquisition of treasury shares
Share repurchases
Investment Amount
Investment amount.
Investment
Other paid in capital
Disclosure of Capital Managements Explanatory
Disclosure of capital managements.
Capital Management
Events After the Reporting Period
Disclosure of events after reporting period [text block]
Development Expenditure
Development expenditure.
Development expenditure
Capital Contributions
Capital contributions.
Capital contributions
The amount of increase in investment accounted for using equity method under a fair value measurement.
Increase in assumption
The proportion of carrying amount ownership interest in associate.
Ownership interest
This member stand for customer group 1.
Customer group 1 [member]
ifrs-full_NumberOfOutstandingShareOptions
Outstanding at period end, options
Outstanding at period start, options
Entity Address, City or Town
Later than three years and not later than four years [member]
In the fourth year [member]
Continuing operations, unless line item indicates otherwise [member]
Deferred during the year
Revenue Deferred During The Period
Revenue deferred during the period.
The amount of gain on settlement of instruments.
opra_GainOnSettlementOfInstruments
Gain on settlement of instruments
ifrs-full_NoncurrentAssets
Total non-current assets
Security Exchange Name
Related to other financial liabilities.
Other financial liabilities [member]
Disclosure of temporary difference, unused tax losses and unused tax credits [table]
Contact Personnel Name
Share-based remuneration [member]
This member stands for temporary differences attributable to share-based remuneration.
Temporary difference, share-based remuneration [member]
Beginning of the year
End of the year
ifrs-full_IntangibleAssetsAndGoodwill
End of the year
Beginning of the year
Disclosure of leases [line items]
Disclosure of leases.
Weighted average cost of capital, measurement input [member]
Measurement [domain]
Accounting Policies, Judgments, and Estimation Uncertainty [abstract]
Accounting policies, judgments, and estimation uncertainty.
Later than one year and not later than three years [member]
In the second and third years [member]
Relating to long term stable growth rate.
Long term stable growth rate [member]
The reasonable possible increase (decrease) in WACC which would result in cash generating unit to be impaired.
opra_SensitivityAnalysisReasonablyPossibleIncreaseDecreaseInWACC
Sensitivity analysis, reasonably possible increase (decrease) in WACC
ifrs-full_DeferredTaxLiabilities
Deferred tax liabilities
Statement of changes in equity [abstract]
Net income
Profit (loss)
Net income
Net income attributable to Opera shareholders
Net income (loss)
Reconciliation of accounting profit multiplied by applicable tax rates [abstract]
Document Period End Date
Other current assets
Other current assets
Sweden, Kronor
Swedish krona [member]
Associates [axis]
Disclosure of objectives, policies and processes for managing capital [line items]
Prepayments
ICFR Auditor Attestation Flag
Categories of related parties [axis]
Maximum amount of stock repurchase plan authorized.
opra_ShareRepurchaseProgramMaximumAuthorizedAmount
Share repurchase program, maximum authorized amount
Deferred tax assets recognized
Deferred Tax Assets Recognized
Deferred tax assets recognized.
ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates
Share of net (income) loss of equity-accounted investees
Financial guarantee contracts [member]
Right-of-use assets
Domestic Top Up Tax Expenses
Domestic top up tax expenses.
Domestic top up tax expenses
Total for all related parties [member]
Customer relationships [member]
Customer-related intangible assets [member]
Equity value
Financial assets, at fair value
ifrs-full_NumberOfSharesAuthorised
Number of shares authorised (in shares)
Share capital
Disclosure of nature and extent of risks arising from financial instruments [line items]
Income tax expense
Income tax expense
Total tax expense (income)
Tax income (expense)
ifrs-full_IncomeTaxExpenseContinuingOperations
Capital commitments
Total capital commitments
Outstanding capital commitment
Receivables from contracts with customers [abstract]
Represents the nominal growth rate for cash generating unit.
opra_CashGeneratingUnitNominalGrowthRate
Cash generating unit, nominal growth rate
Deferred revenue as of December 31
Deferred revenue as of January 1
Contract liabilities
Total contract liabilities
Cybersecurity Risk Management, Strategy, and Governance [Line Items]
Share of net loss of equity-accounted investees
Total share of profit (loss) of associates and joint ventures accounted for using equity method
Opera's share of net income (loss)
Share of net income (loss) of equity-accounted investees
Types of financial liabilities [axis]
Amortization
ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill
Amortization
Represents non-current lease liabilities.
Non-current lease liabilities [member]
Total current financial liabilities
Current financial liabilities
Current financial liabilities
Valuation techniques used in fair value measurement [domain]
Products and services [domain]
Disclosure of temporary difference, unused tax losses and unused tax credits [text block]
Reconciliation of Deferred Taxes by Type of Temporary Differences
Initially applied IFRSs [domain]
Classes of financial assets [domain]
Intangible assets under development [member]
Intangible assets under development [member]
Percentage of net deduction of value to reflect various scenarios of impacts related to the provisions in the agreement.
opra_PercentageOfNetDeductionOfValueToReflectVariousScenariosOfImpactsRelatedToTheProvisions
Percentage of net deduction of value to reflect various scenarios of impacts related to the provisions
All Currencies [Domain]
Increase (decrease) in investments in financial assets due to change in fair value of preferred shares
Increase (decrease) in investments in financial assets due to change in fair value of preferred shares.
Change in fair value of preferred shares
Earnings per share [table]
Change in trade and other payables
Trade and other payables
Deferred tax assets and liabilities [abstract]
ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019
Fair value of underlying share at grant date
Classes of other provisions [axis]
Entity File Number
The number of quarterly installments of consideration to be received for disposal group held for sale.
opra_DisposalGroupHeldForSaleConsiderationToBeReceivedNumberOfQuarterlyInstallments
Disposal group held for sale, consideration to be received, number of quarterly installments
Cover [Abstract]
Represents Recognized over 2025-2026.
Recognized over 2025-2026 [member]
The disclosure of other expenses by nature.
Disclosure of other expenses by nature [text block]
Summary of Items of Other Operating Expenses
Corporate Information and Group Structure
Disclosure of general information about financial statements [text block]
This member stands for Browser and news segment.
Browser and News [member]
Represents the fair value of instruments or interests issued or issuable.
opra_FairValueOfInstrumentsOrInterestsIssuedOrIssuable
Fair value of instruments or interests issued or issuable
Disclosure of quantitative information about right-of-use assets [line items]
Current interest-bearing loans [member]
Represents current interest bearing loans.
Operating expenses:
Trade and other receivables [line items]
Trade and other receivables.
Cost of inventory sold
Cost of inventories recognised as expense during period
Cost of inventory sold
Currency risk [member]
Price Risk [member]
Disclosure of objectives, policies and processes for managing capital [abstract]
The number of shares repurchased during the period.
opra_NumberOfSharesRepurchasedDuringPeriod
Number of shares repurchased during period (in shares)
Share repurchases, number of shares
Measurement input
Significant unobservable input, assets
Social security contributions for Opera-granted awards
The amount of share-based remuneration, including related social security costs.
Share-based remuneration, including related social security contribution
The current amount of accrued personnel expenses.
opra_CurrentAccruedPersonnelExpenses
Accrued personnel expenses
Related Parties
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]
Research and development expenditure
Total research and development expenditure.
R&D personnel costs expensed
Categories of financial liabilities [axis]
Dividend income
Dividends
Summary of Amounts of Share-based Compensation Expenses
Explanation of effect of share-based payments on entity's profit or loss [text block]
ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax
Reclassification of exchange differences on loss of control
Disclosure of financial assets [abstract]
Interest income on cash and cash equivalents
Interest income on cash and cash equivalents
Unlisted equities [member]
Unlisted Equities [member]
Unlisted Equities.
Trade and other payables [abstract]
This member stands for the discount for lack of marketability used as a measurement input used in valuation techniques based on a present value calculation.
Discount for lack of marketability1 [member]
Tax-exempt income
Tax effect of revenues exempt from taxation
Tax effect of revenues exempt from taxation
Counterparties [domain]
Income (Loss) Per Share
Disclosure of earnings per share [text block]
Current accrued expenses and other current liabilities
Accrued expenses
Accrued expenses
ifrs-full_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod
Dividend set-off
Net deferred tax asset (liability), balance
Net deferred tax liability (asset)
Net deferred tax asset (liability), balance
Net deferred tax liability (asset) recognized
ifrs-full_NumberOfSharesOutstanding
Balance (in shares)
Balance (in shares)
Number of shares outstanding (in shares)
Total shares outstanding
Russia [member]
Represents Russia.
Disclosure of terms and conditions of share-based payment arrangement [line items]
Deferred Revenue Recognized During The Period
Deferred revenue recognized during the period.
Recognized as revenue during the year
ifrs-full_OtherCurrentFinancialLiabilities
Other current liabilities
Total other current liabilities
The amount of current assets or disposal groups classified as held for sale.
Assets held for sale
Current assets or disposal groups classified as held for sale
Investment in OPay
Invested amount
Investments
Audit, legal and other advisory services
Audit, legal and other advisory services
Financial liabilities at amortised cost, category [member]
Effect of movements in exchange rates, property, plant and equipment
Financial assets at fair value through profit or loss, category [member]
Summary of Estimated Useful Lives of Intangible Assets with Limited Useful Life
The disclosure of intangible assets with an indefinite and definite useful life.
Disclosure of intangible assets with indefinite and definite useful life [text block]
In the second year [member]
Later than one year and not later than two years [member]
Foreign exchange gain (loss)
Total foreign exchange gain (loss)
Cybersecurity Risk Management Processes Integrated [Flag]
ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
Net change in cash and cash equivalents
Document Transition Report
Profit or loss [abstract]
The amount of receivables arising from the sale investments.
Non-current receivables from sale of investments
Non-current receivables from sale of investments
Statement of financial position [abstract]
Summary of Aging of Trade Receivables
The disclosure of aging of trade receivables.
Disclosure of aging of trade receivables [text block]
Revenue
Disclosure of Revenue from Contracts with Customers
Deferred income taxes
ifrs-full_DeferredTaxExpenseIncome
Effect of Changes due to Reduction in Depreciation Expenses
Effect of changes due to reduction in depreciation expenses.
Effect of changes due to reduction in depreciation expenses
Effect of changes due to reduction in depreciation expenses
IFRS 10 [Member]
IFRS 10.
IFRS 10 [member]
Transaction price allocated to remaining performance obligations
Aggregate amount of transaction prices allocated to remaining long-term contracts
USDT [member]
USDT [member]
USDT.
Total other comprehensive income (loss)
Other comprehensive income (loss)
Other comprehensive income (loss)
Description of accounting policy for aggregation of income, expenses, assets, liabilities and cash Flows [text block]
The description of the entity's accounting policy for aggregation of income, expenses, assets, liabilities and cash flows.
Aggregation of Income, Expenses, Assets, Liabilities and Cash Flows
ifrs-full_ProportionOfOwnershipInterestInAssociate
Proportion of ownership interest in associate
Classes of assets [domain]
Regular awards granted options, weighted average grant date fair value (in dollars per share)
Other intangible assets [member]
Other intangible assets [member]
Equity beta
Represents the estimated beta for equity.
opra_EstimatedBetaForEquity
Estimated beta for equity
Components of equity [axis]
Basic earnings per ADS (in dollars per share)
Basic
Cybersecurity Risk Management Processes Integrated [Text Block]
Business combinations [domain]
Stablecoins Cash Equivalents [member]
Stablecoins cash equivalents.
Stablecoins (cash equivalents) [member]
The amount of realized foreign exchange gain (loss).
Realized foreign exchange gain (loss)
Adjustments to right-of-use assets
ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities
Purchase of intangible assets
Significant Accounting Policies
Lease liabilities [member]
The amount of current receivables from sale of investments.
Current receivables from sale of investments
Current receivables from sale of investments
Depreciation and amortization
ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense
Adjustments for depreciation and amortisation expense
Trade receivables
Trade receivables net of loss allowance
Business combinations [axis]
Fair Value Gain On Short term Investments
Fair Value Gain On Short term Investments
Fair value gain on short-term investments (Note 16)
ifrs-full_BasicEarningsLossPerShareFromContinuingOperations
Basic earnings per ADS (in dollars per share)
The annualized growth rate of cash flows.
opra_CashFlowsAnnualizedGrowthRate
Cash flows, annualized growth rate
Maturity [domain]
ifrs-full_LiabilitiesArisingFromFinancingActivities
Balance
Balance
Note To Financial Statement Details Textual
Basis of Consolidation
The description of the entity's accounting policy for consolidation.
Description of accounting policy for consolidation [text block]
Document Fiscal Year Focus
Investments accounted for using equity method
Total investments accounted for using equity method
Equity-accounted investments
Potential ordinary share transactions [member]
ifrs-full_IntangibleAssetsWithIndefiniteUsefulLife
Intangible assets with indefinite useful life
Ordinary shares [member]
Maturity [axis]
The reasonable possible increase (decrease) in revenue which would result in cash generating unit to be impaired.
opra_SensitivityAnalysisReasonablyPossibleIncreaseDecreaseInRevenue
Sensitivity analysis, reasonably possible increase (decrease) in revenue
ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares
Effect of unexercised equity awards (in shares)
ADS equivalent of basic weighted-average number of ordinary shares in the period (in shares)
Basic weighted-average number of shares in the period (in shares)
IAS 28 [member]
IAS 28 [Member]
IAS 28.
Geographical areas [domain]
Receivable due from Kunlun
Represents other current loans.
Other current loans [member]
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Other interest income
Forfeited RSUs, weighted average grant date fair value (in dollars per share)
Classes of liabilities [domain]
Restricted share units (RSU), 2024 [Member]
Restricted share units (R S U), 2024 [Member]
This member stand for restricted share units.
Cost [member]
Gross carrying amount [member]
Related to nHorizon
nHorizon [member]
Stock Issued, Number of Shares Repurchased, Value
Stock issued, number of shares repurchased, value.
Shares repurchased, value
Financial assets at amortised cost, category [member]
ifrs-full_PurchaseOfInterestsInAssociates
Investment in an associate
ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
Exercised, RSUs
ADSs and Ordinary shares [member]
ADSs and ordinary shares [member]
ADSs and ordinary shares [member]
Disclosure of Transaction Price Allocated to Remaining Performance Obligations
Income tax payable
Effective tax rate
Income tax expense at effective tax rate
Exercised options, weighted average grant date fair value (in dollars per share)
Income (expense) recognized in the Statement of Operations
Expense (benefit) in the Statement of Operations
Categories of financial assets [axis]
Other comprehensive income (loss):
Tax losses carried forward [member]
Temporary Difference Tax Losses Carried Forward [Member]
Temporary difference tax losses carried forward.
Percentage of strengthening in closing exchange rate of foreign currencies
Percentage Of Strengthening In Closing Foreign Exchange Rate
Percentage of strengthening in closing foreign exchange rate.
Counterparties [axis]
ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement
Forfeited, options
Liabilities:
Other non-current liabilities [member]
This member stands for other noncurrent liabilities.
Other noncurrent liabilities 1 [member]
Cash flows from financing activities:
Accounting Policies, Judgments, and Estimation Uncertainty
Disclosure of accounting judgements and estimates [text block]
Offset against receivables
Dividend Offset Against Receivables
Dividend Offset Against Receivables
Goodwill and Intangible Assets
Disclosure of intangible assets [text block]
This member stand for search.
Search [member]
Range [domain]
Size premium [member]
This member stands for the size premium used as a measurement input.
Size premium, measurement input [member]
Deferred tax benefit recognized in equity
Deferred tax benefit recognized in equity.
Deferred tax assets recognized
Property and equipment
End of the year
Beginning of the year
End of the year
Beginning of the year
Title of 12(b) Security
Regular awards granted, options
The amount of payables related to payroll tax.
opra_PayrollTaxPayables
Payroll tax
weighted average equity value.
Weighted average equity value [member]
Property and equipment [member]
Temporary Difference Property And Equipment [Member]
Temporary difference property and equipment.
Disclosure of dividends [text block]
Summary of Dividends Declared and Distributed
Trade receivables [member]
Relative change in probability of sale
Relative change in probability of sale [member]
Risk free rate, measurement input [member]
Risk free rate, measurement input.
The amount of investments in subsidiaries joint ventures and associates net of impairments.
opra_InvestmentsInSubsidiariesJointVenturesAndAssociatesNetOfImpairments
Carrying amount, balance
Carrying amount, balance
Classes of other provisions [domain]
Disclosure of disaggregation of revenue from contracts with customers [line items]
Proportion of ownership interest in entity classified as financial asset
Proportion of ownership interest in entity classified as financial asset.
ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted
Fair value at the measurement date
Document Information [Table]
Legal Entity [Axis]
Earnings per ADS and per ordinary share for income (loss) from continuing operations:
Decrease through write-off, financial assets
Decrease through write-off, financial assets
Write offs
The disclosure of sensitivity analysis for equity instruments.
Disclosure of sensitivity analysis for equity [text block]
Summary of Individual Sensitivities of Key Unobservable Inputs to the Fair Value Measurement
Dividend Payable, Date to be Paid
Dividend payable, date to be paid.
Dividend payable date
Disclosure of detailed information about property, plant and equipment [abstract]
Later than two years and not later than three years [member]
In the third year [member]
Impairment
Impairment loss recognised in profit or loss, intangible assets other than goodwill
Impairment
Not later than one month [member]
Defined contribution pension expense
Defined contribution pension expense
Income (expense) recognized in the Statement of Comprehensive Income
Aggregated income tax relating to components of other comprehensive income
Expense (benefit) in the Statement of Comprehensive Income
Expense recognized in the Statement of Comprehensive Income
Other adjustments
Disclosure of objectives, policies and processes for managing capital [table]
Summary of Changes in Liabilities Arising from Financing Activities
Disclosure of reconciliation of liabilities arising from financing activities [text block]
Trading Symbol
Other Operating Expenses
Disclosure of other operating expense [text block]
The amount of increase (decrease) in investments in financial assets due to acquisition of shares.
Fair value of shares acquired
Shares acquired recognized at fair value
Basis of Preparation
Disclosure of basis of preparation of financial statements [text block]
Interest received
Committed To Purchase Tokens Per Quarter
Committed to purchase tokens per quarter.
Committed to purchase CELO tokens per quarter
Different tax rates of subsidiaries operating in other jurisdictions, percentage
Tax Rate Effect Of Different Tax Rates Of Subsidiaries Operating In Other Jurisdictions
Tax rate effect of different tax rates of subsidiaries operating in other jurisdictions.
Nigeria, Nairas
Nigerian Naira [member]
ifrs-full_DividendPayables
Dividend payables
Servers and network equipment [Member]
Servers and network equipment.
Servers and Network Equipment [Member]
Represents Kunlun Tech.
Kunlun Tech [member]
Amount of trade payables to third party.
opra_TradePayableToThirdParty
Trade payables due to third-party suppliers
Represents net receivables from sale of investments.
opra_NetReceivablesFromSaleOfInvestments
Carrying amount as of December 31
Carrying amount as of January 1
Net receivables from sale of investments
Deferred tax asset recognized as tax benefit
Deferred tax asset when utilisation is dependent on future taxable profits in excess of profits from reversal of taxable temporary differences and entity has suffered loss in jurisdiction to which deferred tax asset relates
Depreciation expense of right-of-use assets
Depreciation expense of right-of-use assets
Other current receivables
Total other current receivables
Accumulated Balance Of Unrecognized Share Of Losses in Joint Ventures
Accumulated balance of unrecognized share of losses in joint ventures.
Accumulated balance of unrecognized share of losses in joint ventures
Social security contributions
Social security contributions
Social security contributions
Proceeds from sale of shares in associate
Proceeds from sales of interests in associates
opra_SharesInAssociatePurchased
The number of shares in associate purchased during the period.
Shares in associate purchased (in shares)
Risk free rate
The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for other equity instruments granted is expressed, with a remaining term equal to the expected term of the other equity instrument being valued (based on the other equity instrument's remaining contractual life and taking into account the effects of expected early exercise).
opra_RiskFreeInterestRateOtherEquityInstrumentsGranted
Disclosure of Deferred Revenue
Disclosure of deferred income [text block]
Kunlun and Keeneyes Future Holding [member]
Represents Kunlun Tech Limited and Keeneyes Future Holding Inc.
Kunlun Tech Limited and Keeneyes Future Holding Inc. [member]
Expense relating to short-term leases (included in other operating expenses)
Expense relating to short-term leases (included in other operating expenses)
Expense relating to short-term leases (included in other operating expenses)
Short-term employee benefits
Short-term employee benefits
Address Type [Domain]
Amount of gain (loss) on receivable from sale of investment.
Fair value gain (loss) (Note 7)
Gain on settlement of receivable from sale of investment
Restricted share units [member]
Document Annual Report
Poland, Zlotych
Polish zloty [member]
Equity:
Past due status [axis]
Borrowings by name [axis]
Classes of intangible assets other than goodwill [axis]
Summary of Maturity Profile of Financial Liabilities Based on Contractual Undiscounted Payments
Disclosure of additional information about understanding financial position and liquidity of entity [text block]
Represents advertising revenue.
Advertising revenue [member]
Issuance of shares upon exercise of Restricted share units
Issuance of shares upon exercise of Restricted share units.
Issuance of shares upon exercise of Restricted share units (in shares)
Disclosure of Detailed Information About the Estimated Useful Lives of Property, Plant and Equipment
The disclosure of detailed information about the estimated useful lives of property, plant and equipment.
Represents receivables from sale of investments.
Receivables from sale of investments [member]
Disclosure of financial liabilities [abstract]
Disclosure of detailed information about intangible assets [table]
The percentage of ownership of investments in associates accounted for using the equity method.
opra_InvestmentsInAssociatesAccountedForUsingEquityMethodOwnershipPercentage
Investments in associates accounted for using equity method, ownership percentage
Document Accounting Standard
Classes of financial instruments [domain]
ifrs-full_Assets
Total assets
Investments in associates reported in separate financial statements
Investment in units
Carrying amount of Associate
Earnings per share [line items]
Entity Addresses, Address Type [Axis]
Communication and Network Equipment [member]
Outstanding at period end, RSUs
Outstanding at period start, RSUs
ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
Terminal growth rate [member]
Terminal growth rate.
Summery of Outstanding Balances and Transactions
Unrecognized income (loss) from associates
Unrecognized income (loss) from associates.
Components of equity [domain]
Types of share-based payment arrangements [axis]
Singapore [member]
Represents Singapore.
ifrs-full_ParValuePerShare
Par value per share (in dollars per share)
Other operating income (expense)
Other operating income
ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019
Outstanding at period end, options, weighted average grant date fair value (in dollars per share)
Outstanding at beginning of period, options, weighted average grant date fair value (in dollars per share)
The interest rate on deferred payments of disposal group.
opra_DisposalGroupDeferredPaymentsInterestRate
Disposal group, deferred payments, interest rate
Indonesia, Rupiahs
Indonesian rupiah [member]
MiniPay Fund [Member]
MiniPay fund.
Allowance for expected credit losses
Allowance for expected credit losses.
Allowance for expected credit losses
Loss allowance as of December 31
Loss allowance as of January 1
Loss allowance as of December 31
Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]
Impairment of non-financial assets
Value added tax
Disclosure of quantitative information about right-of-use assets [table]
Equity-to-asset ratio
Represents the percentage of equity to total capital.
opra_EquityToTotalCapitalPercent
Equity to total capital, percent
ADS equivalent of diluted weighted-average number of ordinary shares in the period (in shares)
Diluted weighted-average number of shares in the period (in shares)
Reconciliation of average effective tax rate and applicable tax rate [abstract]
Contractors and Temporary Personnel
Contractors and temporary personnel.
Contractors and temporary personnel
Past due status [domain]
Finance Income and Finance Expenses
Disclosure of finance income (cost) [text block]
Other related parties [member]
Diluted earnings per ADS (in dollars per share)
Diluted
Change in deferred revenue
Deferred revenue
Social security contribution, excluding amounts related to share-based compensation
Social security contribution, excluding amounts related to share-based compensation.
Social security contribution, excluding amounts related to share-based compensation
Entity Registrant Name
Investments in financial asset of Fair value through profit or loss about long-term investments
Investments in financial asset of fair value through profit or loss about long-term investments.
Carrying amount of Financial asset
Investment in OPay
Entity Voluntary Filers
Non-current portion
Statement Line Items [Line Items]
Statement 1 Line Items
Cybersecurity Risk Management Positions or Committees Responsible [Flag]
Disclosure of financial assets [line items]
Lease Amounts Included in Statement of Operations
The disclosure of lease amounts included in the financial statements.
Disclosure of lease amounts included in financial statements [text block]
RSUs [member]
This member stand for restricted share unit.
RSU [member]
Valuation techniques used in fair value measurement [axis]
Share Repurchase Program, Authorized Amount
Share Repurchase Program, Authorized Amount
Share repurchase program, authorized amount
ifrs-full_TreasuryShares
Treasury shares
Treasury shares
Change in assumption, percentage
Statement of comprehensive income [abstract]
Entity Common Stock, Shares Outstanding
Represents Qifei International Development Co, Ltd.
Qifei International Development Co, Ltd [member]
ifrs-full_Equity
Balance
Balance
Google [Member]
Google.
Related to PWERM.
PWERM [member]
The amount of increase (decrease) of equity through share-based payment awards being exercised.
Issuance of shares upon exercise of equity awards
Total investments in subsidiaries, joint ventures and associates reported in separate financial statements
Carrying amount
Total invested amount
Investments
Classes of property, plant and equipment [domain]
The amount of expense relating to the marketing and distribution of goods or services.
opra_MarketingAndDistributionExpense
Marketing and distribution expenses
Exercised RSUs, weighted average grant date fair value (in dollars per share)
Change in tax rates
ifrs-full_TaxEffectFromChangeInTaxRate
Changes in tax rates
Intangible assets with indefinite useful life [domain]
Forecasted [member]
Forecasted [Member]
Forecasted.
Other revenue [member]
This member stand for other revenue.
Change in tax rates, percentage
Tax rate effect from change in tax rate
Non-deductible expenses
Non-deductible expenses
Tax effect of expense not deductible in determining taxable profit (tax loss)
Date of dividend payment
Date of Dividend Payment
Date of dividend payment.
Payment date
Retained earnings
Analysis of income and expense [abstract]
OPay [member]
Related to Opay Digital Services Limited.
OPay Digital Services Limited [member]
Other finance expenses
ifrs-full_OtherFinanceCost
ifrs-full_OtherFinanceIncome
Other finance income
Foreign withholding taxes
Tax Effect Of Foreign Withholding Taxes
Tax effect of foreign withholding taxes.
Disclosure of detailed information about property, plant and equipment [table]
Weighted-average expected credit loss rate
Accumulated Balance of Unrecognized Share of Losses
Accumulated balance of unrecognized share of losses.
Credit loss expense
Credit loss income (expense)
Credit loss income (expense).
Furniture and fixtures [member]
This member stands for furniture and fixtures.
City Area Code
Accumulated Depreciation and Impairment [member]
Accumulated depreciation, amortisation and impairment [member]
Disclosure of performance obligations [abstract]
The term of consideration to be received for disposal group held for sale.
opra_DisposalGroupHeldForSaleConsiderationToBeReceivedTerm
Disposal group held for sale, consideration to be received, term (Year)
Disclosure of performance obligations [line items]
Auditor Name
Increase Decrease Through Reclassification Intangible Assets And Goodwill
Increase decrease through reclassification intangible assets and goodwill.
Reclassification
The disclosure of information about indirect, by reference to the fair value of the equity instruments granted, measurement of the fair value of goods or services received as consideration for the entity's other equity instrument.
Disclosure of indirect measurement of fair value of goods or services received, other equity instrument granted during period [text block]
Summary of Weighted Average Values for Inputs Used in Valuation Techniques
Purchase of property, plant and equipment
ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
Purchase of property, plant and equipment
Purchase of equipment
Total research and development expenditure
Total research and development expenditure
Net research and development expenditure recognized as part of personnel expenses
Total R&D personnel costs
Repayment of borrowings
ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities
EBITDA.
EBITDA [member]
ifrs-full_NoncurrentLiabilities
Total non-current liabilities
Statement of cash flows [abstract]
Allowance for credit losses [member]
ifrs-full_ValueAddedTaxPayables
Value added tax
Reconciliation of Differences Between Expected Income Tax Expense Expressed as Accounting Profit Multiplied by Corporate Income Tax Rate and Actual Income Tax Expense
Disclosure Of Reconciliation Of Differences Between Expected Income Tax Expense Expressed As Accounting Profit Multiplied By Corporate Income Tax Rate And Actual Income Tax Expense Explanatory
Disclosure of reconciliation of differences between expected income tax expense expressed as accounting profit multiplied by corporate income tax rate and actual income tax expense.
Number of shares repurchased
Stock Issued, Number of Shares Repurchased
Stock Issued, Number of Shares Repurchased
ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment
Share-based compensation
Share-based compensation
Represents Pocosys.
Pocosys [member]
Classes of assets [axis]
Loss allowances on related-party receivables
Provisions for doubtful debts related to outstanding balances of related party transaction
Risk-free rate
Risk-free rate used as a significant Level 3 unobservable input for assets.
opra_RiskFreeRateSignificantUnobservableInputsAssets
Risk-free rate, significant unobservable inputs, assets
Deferred tax assets
Net deferred tax assets
Other Operating Expenses [abstract]
Other operating expenses.
Non-adjusting events after reporting period [domain]
Cash flows from operating activities:
Disclosure of nature and extent of risks arising from financial instruments [abstract]
Entity Address, Country
Intangible assets [member]
Temporary Difference Intangible Assets [Member]
Temporary difference intangible assets.
Leasehold improvements [member]
Opera
Represents Opera.
Opera [member]
Malaysian ringgit [member]
RINGGIT BOND MARKET [Member]
Earnings Per Share
Earnings per share [text block]
Disclosure of detailed information about intangible assets [text block]
Reconciliation of the Carrying Amounts of Goodwill and Intangible Assets
Increase (decrease) through other changes, liabilities arising from financing activities
Other changes
Disclosure of disaggregation of revenue from contracts with customers [abstract]
Summary of Provision for Impairment of Trade Receivables
The disclosure of provision for impairment of trade receivables.
Provision for impairment of trade receivables [text block]
Auditor Location
Purchases of goods and services
ifrs-full_PurchasesOfGoodsRelatedPartyTransactions
Purchases of goods and services
The gains (losses) including exchange differences, recognised in profit or loss, on the fair value measurement of the associates equity instruments.
Realized net gain (loss)
Fair value gain on long-term investments
Fair value gain on investment
This member represents the carrying value.
Carrying value [member]
Represents nHorizon Infinite.
nHorizon Infinite [member]
Major components of tax expense (income) [abstract]
Cost Of Equity Awards
Cost of equity awards.
Cost of equity awards
Deferred tax assets
Deferred tax assets
Deferred tax assets
Consideration paid (received)
Consideration amount
Ireland1 [member]
Represents the Ireland.
Ireland [member]
Sale of marketable securities
Proceeds from sales of investments other than investments accounted for using equity method
Estimated Future Equity Values Number of Year
Represents estimated future equity values, number of years.
Estimated future equity values, number of expected timing
Categories of financial liabilities [domain]
Disclosure of transactions between related parties [table]
Disclosure of Summery of Capital Returned to Shareholders Explanatory
Disclosure of summery of capital returned to shareholders.
Summary of Capital Returned to Shareholders
Entity Interactive Data Current
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]
This member stands for the pre-tax weighted average cost of capital used as a measurement input.
Weighted average cost of capital pre-tax, measurement input [member]
Non-deductible expenses, percentage
Tax rate effect of expense not deductible in determining taxable profit (tax loss)
Measurement [axis]
Lease liabilities [member]
Lease Liability [member]
Lease Liability.
Movements in exchange rates
Tax effect of foreign tax rates
Movements in exchange rates
Changes in estimates related to prior years
Tax Effect Of Changes In Estimates Related To Prior Years
Tax effect of changes in estimates related to prior years.
Changes in estimates related to prior years
The number of ordinary shares represented per share of ADS.
opra_NumberOfOrdinarySharesPerShareOfAds
Number of ordinary shares per share of ADS (in shares)
ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill
Effect of movements in exchange rates
ifrs-full_FinancialAssets
Total financial assets
Financial assets
ifrs-full_DepreciationAndAmortisationExpense
Depreciation and amortization
Summary of Carrying Amounts of Right-of-Use Assets
Disclosure of quantitative information about right-of-use assets [text block]
Movements in exchange rates, percentage
Tax rate effect of foreign tax rates
ifrs-full_DisposalsPropertyPlantAndEquipment
Disposals
Disposals
Presentation of Leases for Lessee
Represents Estimated Present Equity Values.
opra_EstimatedPresentEquityValues
Estimated Present Equity Values
Increase Decrease In Number Of Shares Issued Due To Repurchases
Increase Decrease In Number Of Shares Issued Due To Repurchases
Effect of share repurchases
Represents current lease liabilities.
Current lease liabilities [member]
Estimated future equity values
Represents Estimated Future Equity Values.
opra_EstimatedFutureEquityValues
Issued capital [member]
Share capital [member]
The amount of unrealized foreign exchange gain (loss).
Unrealized foreign exchange gain (loss)
Change in unrealized net gain (loss)
Later than four years and not later than five years [member]
In the fifth year [member]
Interest Income on Receivables
Interest income on receivables.
Interest income on Star X receivable
Intra-group interest expenses carried forward [member]
Temporary Difference Intra-group Interest Expenses Carried Forward [Member]
Temporary difference intra-group interest expenses carried forward.
Other current liabilities [member]
This member stands for other current liabilities.
Other current liabilities 1 [member]
Later than three years and not later than five years [member]
After the third year [member]
Local Phone Number
Foreign withholding taxes, percentage
Tax Rate Effect Of Foreign Withholding Taxes
Tax rate effect of foreign withholding taxes.
Changes in working capital:
Estimated future equity value, number of years
Estimated Future Equity Value Number of Years
Represents estimated future equity values, number of years.
Deferred Tax Liabilities Before Amortization
Deferred tax liabilities before amortization.
Deferred tax liability not amortized
Auditor Opinion [Text Block]
This member stands for a financial forecast of cash flows from redemption, used as a measurement input.
Financial forecast of cash inflows (outflows) from Redemption, measurement input [member]
China, Yuan Renminbi
Chinese renminbi [member]
This member stands for trade and other payables.
Trade and other payables [member]
ifrs-full_EmployeeBenefitsExpense
Total personnel expenses, including share-based remuneration
Total share-based compensation expenses
Share-based compensation expenses
Government Grants Related To Assets
Government grants related to assets.
Grants received from government
Market risk premium
Market risk premium rate used as a significant Level 3 unobservable input for assets.
opra_MarketRiskPremiumRateIgnificantUnobservableInputsAssets
Market risk premium rate, ignificant unobservable inputs, assets
Adjustments to reconcile income (loss) before income taxes to net cash flows:
Adjustments to reconcile income before income taxes to net cash flow from operating activities:
Query [member]
This member stand for query.
Yandex [Member]
Yandex.
ifrs-full_CurrentAssets
Total current assets
Recurring Semi-annual Dividend [member]
Recurring Semi-annual Dividend One [member]
Recurring Semi-annual Dividend One [member]
Joint ventures [axis]
Entity Emerging Growth Company
The amount of other current miscellaneous liabilities.
opra_OtherCurrentMiscellaneousLiabilities
Other current liabilities