3.24.1 html 865 630 1 true 226 0 false 22 false false R1.htm 00090 - Document - Document and Entity Information Sheet http://www.inventivapharma.com/role/DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 00100 - Statement - CONSOLIDATED STATEMENTS OF FINANCIAL POSITION Sheet http://www.inventivapharma.com/role/StatementConsolidatedStatementsOfFinancialPosition CONSOLIDATED STATEMENTS OF FINANCIAL POSITION Statements 2 false false R3.htm 00200 - Statement - CONSOLIDATED STATEMENTS OF INCOME (LOSS) Sheet http://www.inventivapharma.com/role/StatementConsolidatedStatementsOfIncomeLoss CONSOLIDATED STATEMENTS OF INCOME (LOSS) Statements 3 false false R4.htm 00300 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Sheet http://www.inventivapharma.com/role/StatementConsolidatedStatementsOfComprehensiveIncomeLoss CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Statements 4 false false R5.htm 00400 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY Sheet http://www.inventivapharma.com/role/StatementConsolidatedStatementsOfChangesInShareholdersEquity CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY Statements 5 false false R6.htm 00500 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.inventivapharma.com/role/StatementConsolidatedStatementsOfCashFlows CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 6 false false R7.htm 00505 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) Sheet http://www.inventivapharma.com/role/StatementConsolidatedStatementsOfCashFlowsParenthetical CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) Statements 7 false false R8.htm 10101 - Disclosure - Company information Sheet http://www.inventivapharma.com/role/DisclosureCompanyInformation Company information Notes 8 false false R9.htm 10201 - Disclosure - Basis of preparation and statement of compliance Sheet http://www.inventivapharma.com/role/DisclosureBasisOfPreparationAndStatementOfCompliance Basis of preparation and statement of compliance Notes 9 false false R10.htm 10301 - Disclosure - Accounting Principles Sheet http://www.inventivapharma.com/role/DisclosureAccountingPrinciples Accounting Principles Notes 10 false false R11.htm 10401 - Disclosure - Intangible assets Sheet http://www.inventivapharma.com/role/DisclosureIntangibleAssets Intangible assets Notes 11 false false R12.htm 10501 - Disclosure - Property, plant, and equipment Sheet http://www.inventivapharma.com/role/DisclosurePropertyPlantAndEquipment Property, plant, and equipment Notes 12 false false R13.htm 10601 - Disclosure - Investments accounted for using the equity method Sheet http://www.inventivapharma.com/role/DisclosureInvestmentsAccountedForUsingEquityMethod Investments accounted for using the equity method Notes 13 false false R14.htm 10701 - Disclosure - Other non-current assets Sheet http://www.inventivapharma.com/role/DisclosureOtherNonCurrentAssets Other non-current assets Notes 14 false false R15.htm 10801 - Disclosure - Deferred tax assets Sheet http://www.inventivapharma.com/role/DisclosureDeferredTaxAssets Deferred tax assets Notes 15 false false R16.htm 10901 - Disclosure - Inventories Sheet http://www.inventivapharma.com/role/DisclosureInventories Inventories Notes 16 false false R17.htm 11001 - Disclosure - Trade receivables, tax receivables and other current assets Sheet http://www.inventivapharma.com/role/DisclosureTradeReceivablesTaxReceivablesAndOtherCurrentAssets Trade receivables, tax receivables and other current assets Notes 17 false false R18.htm 11101 - Disclosure - Cash and cash equivalents Sheet http://www.inventivapharma.com/role/DisclosureCashAndCashEquivalents Cash and cash equivalents Notes 18 false false R19.htm 11201 - Disclosure - Shareholders' equity Sheet http://www.inventivapharma.com/role/DisclosureShareholdersEquity Shareholders' equity Notes 19 false false R20.htm 11301 - Disclosure - Financial debt Sheet http://www.inventivapharma.com/role/DisclosureFinancialDebt Financial debt Notes 20 false false R21.htm 11401 - Disclosure - Provisions Sheet http://www.inventivapharma.com/role/DisclosureProvisions Provisions Notes 21 false false R22.htm 11501 - Disclosure - Provisions for retirement benefit obligations Sheet http://www.inventivapharma.com/role/DisclosureProvisionsForRetirementBenefitObligations Provisions for retirement benefit obligations Notes 22 false false R23.htm 11601 - Disclosure - Other current and non-current liabilities Sheet http://www.inventivapharma.com/role/DisclosureOtherCurrentAndNonCurrentLiabilities Other current and non-current liabilities Notes 23 false false R24.htm 11701 - Disclosure - Trade payables, short-term contract liabilities and other current liabilities Sheet http://www.inventivapharma.com/role/DisclosureTradePayablesShortTermContractLiabilitiesAndOtherCurrentLiabilities Trade payables, short-term contract liabilities and other current liabilities Notes 24 false false R25.htm 11801 - Disclosure - Financial assets and liabilities Sheet http://www.inventivapharma.com/role/DisclosureFinancialAssetsAndLiabilities Financial assets and liabilities Notes 25 false false R26.htm 11901 - Disclosure - Revenues and other income Sheet http://www.inventivapharma.com/role/DisclosureRevenuesAndOtherIncome Revenues and other income Notes 26 false false R27.htm 12001 - Disclosure - Operating expenses Sheet http://www.inventivapharma.com/role/DisclosureOperatingExpenses Operating expenses Notes 27 false false R28.htm 12101 - Disclosure - Other operating income and expenses Sheet http://www.inventivapharma.com/role/DisclosureOtherOperatingIncomeAndExpenses Other operating income and expenses Notes 28 false false R29.htm 12201 - Disclosure - Financial income and expenses Sheet http://www.inventivapharma.com/role/DisclosureFinancialIncomeAndExpenses Financial income and expenses Notes 29 false false R30.htm 12301 - Disclosure - Share of net profit - Equity method Sheet http://www.inventivapharma.com/role/DisclosureShareOfNetProfitEquityMethod Share of net profit - Equity method Notes 30 false false R31.htm 12401 - Disclosure - Income tax Sheet http://www.inventivapharma.com/role/DisclosureIncomeTax Income tax Notes 31 false false R32.htm 12501 - Disclosure - Basic and diluted loss per share Sheet http://www.inventivapharma.com/role/DisclosureBasicAndDilutedLossPerShare Basic and diluted loss per share Notes 32 false false R33.htm 12601 - Disclosure - Commitments related to operational activities Sheet http://www.inventivapharma.com/role/DisclosureCommitmentsRelatedToOperationalActivities Commitments related to operational activities Notes 33 false false R34.htm 12701 - Disclosure - Related-party transactions Sheet http://www.inventivapharma.com/role/DisclosureRelatedPartyTransactions Related-party transactions Notes 34 false false R35.htm 12801 - Disclosure - Financial risk management Sheet http://www.inventivapharma.com/role/DisclosureFinancialRiskManagement Financial risk management Notes 35 false false R36.htm 12901 - Disclosure - Events after the reporting date Sheet http://www.inventivapharma.com/role/DisclosureEventsAfterReportingDate Events after the reporting date Notes 36 false false R37.htm 20302 - Disclosure - Accounting Principles (Policies) Sheet http://www.inventivapharma.com/role/DisclosureAccountingPrinciplesPolicies Accounting Principles (Policies) Policies http://www.inventivapharma.com/role/DisclosureAccountingPrinciples 37 false false R38.htm 30203 - Disclosure - Basis of preparation and statement of compliance (Tables) Sheet http://www.inventivapharma.com/role/DisclosureBasisOfPreparationAndStatementOfComplianceTables Basis of preparation and statement of compliance (Tables) Tables http://www.inventivapharma.com/role/DisclosureBasisOfPreparationAndStatementOfCompliance 38 false false R39.htm 30303 - Disclosure - Accounting Principles (Tables) Sheet http://www.inventivapharma.com/role/DisclosureAccountingPrinciplesTables Accounting Principles (Tables) Tables http://www.inventivapharma.com/role/DisclosureAccountingPrinciples 39 false false R40.htm 30403 - Disclosure - Intangible Assets (Tables) Sheet http://www.inventivapharma.com/role/DisclosureIntangibleAssetsTables Intangible Assets (Tables) Tables 40 false false R41.htm 30503 - Disclosure - Property, plant, and equipment (Tables) Sheet http://www.inventivapharma.com/role/DisclosurePropertyPlantAndEquipmentTables Property, plant, and equipment (Tables) Tables http://www.inventivapharma.com/role/DisclosurePropertyPlantAndEquipment 41 false false R42.htm 30603 - Disclosure - Investments accounted for using the equity method (Tables) Sheet http://www.inventivapharma.com/role/DisclosureInvestmentsAccountedForUsingEquityMethodTables Investments accounted for using the equity method (Tables) Tables http://www.inventivapharma.com/role/DisclosureInvestmentsAccountedForUsingEquityMethod 42 false false R43.htm 30703 - Disclosure - Other non-current assets (Tables) Sheet http://www.inventivapharma.com/role/DisclosureOtherNonCurrentAssetsTables Other non-current assets (Tables) Tables http://www.inventivapharma.com/role/DisclosureOtherNonCurrentAssets 43 false false R44.htm 30803 - Disclosure - Deferred tax assets (Tables) Sheet http://www.inventivapharma.com/role/DisclosureDeferredTaxAssetsTables Deferred tax assets (Tables) Tables http://www.inventivapharma.com/role/DisclosureDeferredTaxAssets 44 false false R45.htm 30903 - Disclosure - Inventories (Tables) Sheet http://www.inventivapharma.com/role/DisclosureInventoriesTables Inventories (Tables) Tables http://www.inventivapharma.com/role/DisclosureInventories 45 false false R46.htm 31003 - Disclosure - Trade receivables, tax receivables and other current assets (Tables) Sheet http://www.inventivapharma.com/role/DisclosureTradeReceivablesTaxReceivablesAndOtherCurrentAssetsTables Trade receivables, tax receivables and other current assets (Tables) Tables http://www.inventivapharma.com/role/DisclosureTradeReceivablesTaxReceivablesAndOtherCurrentAssets 46 false false R47.htm 31103 - Disclosure - Cash and cash equivalents (Tables) Sheet http://www.inventivapharma.com/role/DisclosureCashAndCashEquivalentsTables Cash and cash equivalents (Tables) Tables http://www.inventivapharma.com/role/DisclosureCashAndCashEquivalents 47 false false R48.htm 31203 - Disclosure - Shareholders' equity (Tables) Sheet http://www.inventivapharma.com/role/DisclosureShareholdersEquityTables Shareholders' equity (Tables) Tables http://www.inventivapharma.com/role/DisclosureShareholdersEquity 48 false false R49.htm 31303 - Disclosure - Financial debt (Tables) Sheet http://www.inventivapharma.com/role/DisclosureFinancialDebtTables Financial debt (Tables) Tables http://www.inventivapharma.com/role/DisclosureFinancialDebt 49 false false R50.htm 31403 - Disclosure - Provisions (Tables) Sheet http://www.inventivapharma.com/role/DisclosureProvisionsTables Provisions (Tables) Tables http://www.inventivapharma.com/role/DisclosureProvisions 50 false false R51.htm 31503 - Disclosure - Provisions for retirement benefit obligations (Tables) Sheet http://www.inventivapharma.com/role/DisclosureProvisionsForRetirementBenefitObligationsTables Provisions for retirement benefit obligations (Tables) Tables http://www.inventivapharma.com/role/DisclosureProvisionsForRetirementBenefitObligations 51 false false R52.htm 31603 - Disclosure - Other current and non-current liabilities (Tables) Sheet http://www.inventivapharma.com/role/DisclosureOtherCurrentAndNonCurrentLiabilitiesTables Other current and non-current liabilities (Tables) Tables http://www.inventivapharma.com/role/DisclosureOtherCurrentAndNonCurrentLiabilities 52 false false R53.htm 31703 - Disclosure - Trade payables, short-term contract liabilities and other current liabilities (Tables) Sheet http://www.inventivapharma.com/role/DisclosureTradePayablesShortTermContractLiabilitiesAndOtherCurrentLiabilitiesTables Trade payables, short-term contract liabilities and other current liabilities (Tables) Tables http://www.inventivapharma.com/role/DisclosureTradePayablesShortTermContractLiabilitiesAndOtherCurrentLiabilities 53 false false R54.htm 31803 - Disclosure - Financial assets and liabilities (Tables) Sheet http://www.inventivapharma.com/role/DisclosureFinancialAssetsAndLiabilitiesTables Financial assets and liabilities (Tables) Tables http://www.inventivapharma.com/role/DisclosureFinancialAssetsAndLiabilities 54 false false R55.htm 31903 - Disclosure - Revenues and other income (Tables) Sheet http://www.inventivapharma.com/role/DisclosureRevenuesAndOtherIncomeTables Revenues and other income (Tables) Tables http://www.inventivapharma.com/role/DisclosureRevenuesAndOtherIncome 55 false false R56.htm 32003 - Disclosure - Operating expenses (Tables) Sheet http://www.inventivapharma.com/role/DisclosureOperatingExpensesTables Operating expenses (Tables) Tables http://www.inventivapharma.com/role/DisclosureOperatingExpenses 56 false false R57.htm 32103 - Disclosure - Other operating income and expenses - (Tables) Sheet http://www.inventivapharma.com/role/DisclosureOtherOperatingIncomeAndExpensesTables Other operating income and expenses - (Tables) Tables http://www.inventivapharma.com/role/DisclosureOtherOperatingIncomeAndExpenses 57 false false R58.htm 32203 - Disclosure - Financial income and expenses (Tables) Sheet http://www.inventivapharma.com/role/DisclosureFinancialIncomeAndExpensesTables Financial income and expenses (Tables) Tables http://www.inventivapharma.com/role/DisclosureFinancialIncomeAndExpenses 58 false false R59.htm 32303 - Disclosure - Share of net profit - Equity method (Tables) Sheet http://www.inventivapharma.com/role/DisclosureShareOfNetProfitEquityMethodTables Share of net profit - Equity method (Tables) Tables http://www.inventivapharma.com/role/DisclosureShareOfNetProfitEquityMethod 59 false false R60.htm 32403 - Disclosure - Income Tax (Tables) Sheet http://www.inventivapharma.com/role/DisclosureIncomeTaxTables Income Tax (Tables) Tables 60 false false R61.htm 32503 - Disclosure - Basic and diluted loss per share (Tables) Sheet http://www.inventivapharma.com/role/DisclosureBasicAndDilutedLossPerShareTables Basic and diluted loss per share (Tables) Tables http://www.inventivapharma.com/role/DisclosureBasicAndDilutedLossPerShare 61 false false R62.htm 32603 - Disclosure - Commitments related to operational activities (Tables) Sheet http://www.inventivapharma.com/role/DisclosureCommitmentsRelatedToOperationalActivitiesTables Commitments related to operational activities (Tables) Tables http://www.inventivapharma.com/role/DisclosureCommitmentsRelatedToOperationalActivities 62 false false R63.htm 32703 - Disclosure - Related-party transactions (Tables) Sheet http://www.inventivapharma.com/role/DisclosureRelatedPartyTransactionsTables Related-party transactions (Tables) Tables http://www.inventivapharma.com/role/DisclosureRelatedPartyTransactions 63 false false R64.htm 32803 - Disclosure - Financial Risk Management (Tables) Sheet http://www.inventivapharma.com/role/DisclosureFinancialRiskManagementTables Financial Risk Management (Tables) Tables 64 false false R65.htm 40101 - Disclosure - Company information - (Details) Sheet http://www.inventivapharma.com/role/DisclosureCompanyInformationDetails Company information - (Details) Details http://www.inventivapharma.com/role/DisclosureCompanyInformation 65 false false R66.htm 40102 - Disclosure - Company information - CTTQ and Share-based payments (Details) Sheet http://www.inventivapharma.com/role/DisclosureCompanyInformationCttqAndShareBasedPaymentsDetails Company information - CTTQ and Share-based payments (Details) Details 66 false false R67.htm 40103 - Disclosure - Company information - License and collaboration agreement with CTTQ (Details) Sheet http://www.inventivapharma.com/role/DisclosureCompanyInformationLicenseAndCollaborationAgreementWithCttqDetails Company information - License and collaboration agreement with CTTQ (Details) Details 67 false false R68.htm 40104 - Disclosure - Company Information - Tax audit on payroll tax (Details) Sheet http://www.inventivapharma.com/role/DisclosureCompanyInformationTaxAuditOnPayrollTaxDetails Company Information - Tax audit on payroll tax (Details) Details 68 false false R69.htm 40105 - Disclosure - Company Information - Tax audit on research tax credit (Details) Sheet http://www.inventivapharma.com/role/DisclosureCompanyInformationTaxAuditOnResearchTaxCreditDetails Company Information - Tax audit on research tax credit (Details) Details 69 false false R70.htm 40106 - Disclosure - Company information - Tax dispute settlement (Details) Sheet http://www.inventivapharma.com/role/DisclosureCompanyInformationTaxDisputeSettlementDetails Company information - Tax dispute settlement (Details) Details 70 false false R71.htm 40107 - Disclosure - Company information - Investment in subsidiary (Details) Sheet http://www.inventivapharma.com/role/DisclosureCompanyInformationInvestmentInSubsidiaryDetails Company information - Investment in subsidiary (Details) Details 71 false false R72.htm 40108 - Disclosure - Company information - Equity financing (Details) Sheet http://www.inventivapharma.com/role/DisclosureCompanyInformationEquityFinancingDetails Company information - Equity financing (Details) Details 72 false false R73.htm 40109 - Disclosure - Company Information - Payments received from the Research Tax Credit (Details) Sheet http://www.inventivapharma.com/role/DisclosureCompanyInformationPaymentsReceivedFromResearchTaxCreditDetails Company Information - Payments received from the Research Tax Credit (Details) Details 73 false false R74.htm 40110 - Disclosure - Company Information - Capital increases and other significant events (Details) Sheet http://www.inventivapharma.com/role/DisclosureCompanyInformationCapitalIncreasesAndOtherSignificantEventsDetails Company Information - Capital increases and other significant events (Details) Details 74 false false R75.htm 40111 - Disclosure - Company Information - Warrant agreement with the European Investment Bank (Details) Sheet http://www.inventivapharma.com/role/DisclosureCompanyInformationWarrantAgreementWithEuropeanInvestmentBankDetails Company Information - Warrant agreement with the European Investment Bank (Details) Details 75 false false R76.htm 40112 - Disclosure - Company Information - Share-based payments (Details) Sheet http://www.inventivapharma.com/role/DisclosureCompanyInformationShareBasedPaymentsDetails Company Information - Share-based payments (Details) Details 76 false false R77.htm 40113 - Disclosure - Company information - French state-guaranteed loan ("PGE") and equity recovery loans ("PPR") (Details) Sheet http://www.inventivapharma.com/role/DisclosureCompanyInformationFrenchStateGuaranteedLoanpgeAndEquityRecoveryLoanspprDetails Company information - French state-guaranteed loan ("PGE") and equity recovery loans ("PPR") (Details) Details 77 false false R78.htm 40201 - Disclosure - Basis of preparation and statement of compliance - Significant Investments In Subsidiaries (Details) Sheet http://www.inventivapharma.com/role/DisclosureBasisOfPreparationAndStatementOfComplianceSignificantInvestmentsInSubsidiariesDetails Basis of preparation and statement of compliance - Significant Investments In Subsidiaries (Details) Details 78 false false R79.htm 40202 - Disclosure - Basis of preparation and statement of compliance - Consolidated financial statements (Details) Sheet http://www.inventivapharma.com/role/DisclosureBasisOfPreparationAndStatementOfComplianceConsolidatedFinancialStatementsDetails Basis of preparation and statement of compliance - Consolidated financial statements (Details) Details 79 false false R80.htm 40203 - Disclosure - Basis of preparation and statement of compliance - Foreign Exchange Rates (Details) Sheet http://www.inventivapharma.com/role/DisclosureBasisOfPreparationAndStatementOfComplianceForeignExchangeRatesDetails Basis of preparation and statement of compliance - Foreign Exchange Rates (Details) Details 80 false false R81.htm 40301 - Disclosure - Accounting Principles - Property, plant and equipment (Details) Sheet http://www.inventivapharma.com/role/DisclosureAccountingPrinciplesPropertyPlantAndEquipmentDetails Accounting Principles - Property, plant and equipment (Details) Details 81 false false R82.htm 40302 - Disclosure - Accounting Principles - Royalty certificates liabilities (Details) Sheet http://www.inventivapharma.com/role/DisclosureAccountingPrinciplesRoyaltyCertificatesLiabilitiesDetails Accounting Principles - Royalty certificates liabilities (Details) Details 82 false false R83.htm 40303 - Disclosure - Accounting Principles - Fair value measurement (Details) Sheet http://www.inventivapharma.com/role/DisclosureAccountingPrinciplesFairValueMeasurementDetails Accounting Principles - Fair value measurement (Details) Details 83 false false R84.htm 40304 - Disclosure - Accounting Principles - Foreign currency transactions and Segment information (Details) Sheet http://www.inventivapharma.com/role/DisclosureAccountingPrinciplesForeignCurrencyTransactionsAndSegmentInformationDetails Accounting Principles - Foreign currency transactions and Segment information (Details) Details 84 false false R85.htm 40305 - Disclosure - Accounting Principles - Segment information (Details) Sheet http://www.inventivapharma.com/role/DisclosureAccountingPrinciplesSegmentInformationDetails Accounting Principles - Segment information (Details) Details 85 false false R86.htm 40306 - Disclosure - Accounting Principles - geographical split (Details) Sheet http://www.inventivapharma.com/role/DisclosureAccountingPrinciplesGeographicalSplitDetails Accounting Principles - geographical split (Details) Details 86 false false R87.htm 40307 - Disclosure - Accounting principles - Going concern (Details) Sheet http://www.inventivapharma.com/role/DisclosureAccountingPrinciplesGoingConcernDetails Accounting principles - Going concern (Details) Details 87 false false R88.htm 40401 - Disclosure - Intangible assets (Details) Sheet http://www.inventivapharma.com/role/DisclosureIntangibleAssetsDetails Intangible assets (Details) Details http://www.inventivapharma.com/role/DisclosureIntangibleAssets 88 false false R89.htm 40501 - Disclosure - Property, plant, and equipment (Details) Sheet http://www.inventivapharma.com/role/DisclosurePropertyPlantAndEquipmentDetails Property, plant, and equipment (Details) Details http://www.inventivapharma.com/role/DisclosurePropertyPlantAndEquipmentTables 89 false false R90.htm 40502 - Disclosure - Property, plant, and equipment - Additional Information (Details) Sheet http://www.inventivapharma.com/role/DisclosurePropertyPlantAndEquipmentAdditionalInformationDetails Property, plant, and equipment - Additional Information (Details) Details 90 false false R91.htm 40601 - Disclosure - Investments accounted for using the equity method - Additional Information (Details) Sheet http://www.inventivapharma.com/role/DisclosureInvestmentsAccountedForUsingEquityMethodAdditionalInformationDetails Investments accounted for using the equity method - Additional Information (Details) Details 91 false false R92.htm 40602 - Disclosure - Investments accounted for using the equity method - investment in Hepalys accounted for using equity method of accounting (Details) Sheet http://www.inventivapharma.com/role/DisclosureInvestmentsAccountedForUsingEquityMethodInvestmentInHepalysAccountedForUsingEquityMethodOfAccountingDetails Investments accounted for using the equity method - investment in Hepalys accounted for using equity method of accounting (Details) Details 92 false false R93.htm 40701 - Disclosure - Other non-current assets (Details) Sheet http://www.inventivapharma.com/role/DisclosureOtherNonCurrentAssetsDetails Other non-current assets (Details) Details http://www.inventivapharma.com/role/DisclosureOtherNonCurrentAssetsTables 93 false false R94.htm 40702 - Disclosure - Other non-current assets - Long-term deposit accounts (Details) Sheet http://www.inventivapharma.com/role/DisclosureOtherNonCurrentAssetsLongTermDepositAccountsDetails Other non-current assets - Long-term deposit accounts (Details) Details 94 false false R95.htm 40703 - Disclosure - Other non-current assets - Advances payments - non-current (Details) Sheet http://www.inventivapharma.com/role/DisclosureOtherNonCurrentAssetsAdvancesPaymentsNonCurrentDetails Other non-current assets - Advances payments - non-current (Details) Details 95 false false R96.htm 40801 - Disclosure - Deferred tax assets (Details) Sheet http://www.inventivapharma.com/role/DisclosureDeferredTaxAssetsDetails Deferred tax assets (Details) Details http://www.inventivapharma.com/role/DisclosureDeferredTaxAssetsTables 96 false false R97.htm 40802 - Disclosure - Deferred tax assets - Additional Information (Details) Sheet http://www.inventivapharma.com/role/DisclosureDeferredTaxAssetsAdditionalInformationDetails Deferred tax assets - Additional Information (Details) Details 97 false false R98.htm 40901 - Disclosure - Inventories (Details) Sheet http://www.inventivapharma.com/role/DisclosureInventoriesDetails Inventories (Details) Details http://www.inventivapharma.com/role/DisclosureInventoriesTables 98 false false R99.htm 41001 - Disclosure - Trade receivables, tax receivables and other current assets - Trade Receivables (Details) Sheet http://www.inventivapharma.com/role/DisclosureTradeReceivablesTaxReceivablesAndOtherCurrentAssetsTradeReceivablesDetails Trade receivables, tax receivables and other current assets - Trade Receivables (Details) Details 99 false false R100.htm 41002 - Disclosure - Trade receivables, tax receivables and other current assets- Other Current Assets and Receivables (Details) Sheet http://www.inventivapharma.com/role/DisclosureTradeReceivablesTaxReceivablesAndOtherCurrentAssetsOtherCurrentAssetsAndReceivablesDetails Trade receivables, tax receivables and other current assets- Other Current Assets and Receivables (Details) Details 100 false false R101.htm 41003 - Disclosure - Trade receivables, tax receivables and other current assets - Additional Information (Details) Sheet http://www.inventivapharma.com/role/DisclosureTradeReceivablesTaxReceivablesAndOtherCurrentAssetsAdditionalInformationDetails Trade receivables, tax receivables and other current assets - Additional Information (Details) Details 101 false false R102.htm 41101 - Disclosure - Cash and cash equivalents (Details) Sheet http://www.inventivapharma.com/role/DisclosureCashAndCashEquivalentsDetails Cash and cash equivalents (Details) Details http://www.inventivapharma.com/role/DisclosureCashAndCashEquivalentsTables 102 false false R103.htm 41102 - Disclosure - Cash and cash equivalents - Additional Information (Details) Sheet http://www.inventivapharma.com/role/DisclosureCashAndCashEquivalentsAdditionalInformationDetails Cash and cash equivalents - Additional Information (Details) Details 103 false false R104.htm 41201 - Disclosure - Shareholders' equity - Share capital (Details) Sheet http://www.inventivapharma.com/role/DisclosureShareholdersEquityShareCapitalDetails Shareholders' equity - Share capital (Details) Details 104 false false R105.htm 41202 - Disclosure - Shareholders' equity - Changes in share capital (Details) Sheet http://www.inventivapharma.com/role/DisclosureShareholdersEquityChangesInShareCapitalDetails Shareholders' equity - Changes in share capital (Details) Details 105 false false R106.htm 41203 - Disclosure - Shareholders' equity - Additional Information (Details) Sheet http://www.inventivapharma.com/role/DisclosureShareholdersEquityAdditionalInformationDetails Shareholders' equity - Additional Information (Details) Details 106 false false R107.htm 41204 - Disclosure - Shareholders' equity - Liquidity agreement (Details) Sheet http://www.inventivapharma.com/role/DisclosureShareholdersEquityLiquidityAgreementDetails Shareholders' equity - Liquidity agreement (Details) Details 107 false false R108.htm 41205 - Disclosure - Shareholders' Equity - Characteristics of BSPCE share warrants plans (Details) Sheet http://www.inventivapharma.com/role/DisclosureShareholdersEquityCharacteristicsOfBspceShareWarrantsPlansDetails Shareholders' Equity - Characteristics of BSPCE share warrants plans (Details) Details 108 false false R109.htm 41206 - Disclosure - Shareholders equity - BSA and AGA plans (Details) Sheet http://www.inventivapharma.com/role/DisclosureShareholdersEquityBsaAndAgaPlansDetails Shareholders equity - BSA and AGA plans (Details) Details 109 false false R110.htm 41207 - Disclosure - Shareholders equity - Share warrants (Details) Sheet http://www.inventivapharma.com/role/DisclosureShareholdersEquityShareWarrantsDetails Shareholders equity - Share warrants (Details) Details 110 false false R111.htm 41301 - Disclosure - Financial debt - Financial debt (Details) Sheet http://www.inventivapharma.com/role/DisclosureFinancialDebtFinancialDebtDetails Financial debt - Financial debt (Details) Details 111 false false R112.htm 41302 - Disclosure - Financial debt - Maturity of long term debt and of short term borrowings and debt (Details) Sheet http://www.inventivapharma.com/role/DisclosureFinancialDebtMaturityOfLongTermDebtAndOfShortTermBorrowingsAndDebtDetails Financial debt - Maturity of long term debt and of short term borrowings and debt (Details) Details 112 false false R113.htm 41303 - Disclosure - Financial debt - Movements in the period break down (Details) Sheet http://www.inventivapharma.com/role/DisclosureFinancialDebtMovementsInPeriodBreakDownDetails Financial debt - Movements in the period break down (Details) Details 113 false false R114.htm 41304 - Disclosure - Financial debt - Movements (Details) Sheet http://www.inventivapharma.com/role/DisclosureFinancialDebtMovementsDetails Financial debt - Movements (Details) Details 114 false false R115.htm 41305 - Disclosure - Financial debt - French state-guaranteed loan ("PGE") and equity recovery loans ("PPR") (Details) Sheet http://www.inventivapharma.com/role/DisclosureFinancialDebtFrenchStateGuaranteedLoanpgeAndEquityRecoveryLoanspprDetails Financial debt - French state-guaranteed loan ("PGE") and equity recovery loans ("PPR") (Details) Details 115 false false R116.htm 41306 - Disclosure - Financial debt - Credit facility agreement with the European Investment Bank (Details) Sheet http://www.inventivapharma.com/role/DisclosureFinancialDebtCreditFacilityAgreementWithEuropeanInvestmentBankDetails Financial debt - Credit facility agreement with the European Investment Bank (Details) Details 116 false false R117.htm 41307 - Disclosure - Financial debt - Derivatives (Details) Sheet http://www.inventivapharma.com/role/DisclosureFinancialDebtDerivativesDetails Financial debt - Derivatives (Details) Details 117 false false R118.htm 41308 - Disclosure - Financial debt - Lease liabilities (Details) Sheet http://www.inventivapharma.com/role/DisclosureFinancialDebtLeaseLiabilitiesDetails Financial debt - Lease liabilities (Details) Details 118 false false R119.htm 41309 - Disclosure - Financial debt - Royalty Certificates liabilities (Details) Sheet http://www.inventivapharma.com/role/DisclosureFinancialDebtRoyaltyCertificatesLiabilitiesDetails Financial debt - Royalty Certificates liabilities (Details) Details 119 false false R120.htm 41401 - Disclosure - Provisions (Details) Sheet http://www.inventivapharma.com/role/DisclosureProvisionsDetails Provisions (Details) Details http://www.inventivapharma.com/role/DisclosureProvisionsTables 120 false false R121.htm 41501 - Disclosure - Provisions for retirement benefit obligations - Principal actuarial assumptions (Details) Sheet http://www.inventivapharma.com/role/DisclosureProvisionsForRetirementBenefitObligationsPrincipalActuarialAssumptionsDetails Provisions for retirement benefit obligations - Principal actuarial assumptions (Details) Details 121 false false R122.htm 41502 - Disclosure - Provisions for retirement benefit obligations - Net provision (Details) Sheet http://www.inventivapharma.com/role/DisclosureProvisionsForRetirementBenefitObligationsNetProvisionDetails Provisions for retirement benefit obligations - Net provision (Details) Details 122 false false R123.htm 41503 - Disclosure - Provisions for retirement benefit obligations - Changes in the net provision (Details) Sheet http://www.inventivapharma.com/role/DisclosureProvisionsForRetirementBenefitObligationsChangesInNetProvisionDetails Provisions for retirement benefit obligations - Changes in the net provision (Details) Details 123 false false R124.htm 41504 - Disclosure - Provisions for retirement benefit obligations - Breakdown of expense recognized for the year (Details) Sheet http://www.inventivapharma.com/role/DisclosureProvisionsForRetirementBenefitObligationsBreakdownOfExpenseRecognizedForYearDetails Provisions for retirement benefit obligations - Breakdown of expense recognized for the year (Details) Details 124 false false R125.htm 41505 - Disclosure - Provisions for retirement benefit obligations - Breakdown of actuarial gains and losses recognized in comprehensive income (Details) Sheet http://www.inventivapharma.com/role/DisclosureProvisionsForRetirementBenefitObligationsBreakdownOfActuarialGainsAndLossesRecognizedInComprehensiveIncomeDetails Provisions for retirement benefit obligations - Breakdown of actuarial gains and losses recognized in comprehensive income (Details) Details 125 false false R126.htm 41506 - Disclosure - Provisions for retirement benefit obligations - Sensitivity analysis (Details) Sheet http://www.inventivapharma.com/role/DisclosureProvisionsForRetirementBenefitObligationsSensitivityAnalysisDetails Provisions for retirement benefit obligations - Sensitivity analysis (Details) Details 126 false false R127.htm 41601 - Disclosure - Other current and non-current liabilities (Details) Sheet http://www.inventivapharma.com/role/DisclosureOtherCurrentAndNonCurrentLiabilitiesDetails Other current and non-current liabilities (Details) Details http://www.inventivapharma.com/role/DisclosureOtherCurrentAndNonCurrentLiabilitiesTables 127 false false R128.htm 41602 - Disclosure - Other current and non-current liabilities - Additional information (Details) Sheet http://www.inventivapharma.com/role/DisclosureOtherCurrentAndNonCurrentLiabilitiesAdditionalInformationDetails Other current and non-current liabilities - Additional information (Details) Details 128 false false R129.htm 41701 - Disclosure - Trade payables, short-term contract liabilities and other current liabilities (Details) Sheet http://www.inventivapharma.com/role/DisclosureTradePayablesShortTermContractLiabilitiesAndOtherCurrentLiabilitiesDetails Trade payables, short-term contract liabilities and other current liabilities (Details) Details http://www.inventivapharma.com/role/DisclosureTradePayablesShortTermContractLiabilitiesAndOtherCurrentLiabilitiesTables 129 false false R130.htm 41702 - Disclosure - Trade payables break down (Details) Sheet http://www.inventivapharma.com/role/DisclosureTradePayablesBreakDownDetails Trade payables break down (Details) Details 130 false false R131.htm 41801 - Disclosure - Financial assets and liabilities (Details) Sheet http://www.inventivapharma.com/role/DisclosureFinancialAssetsAndLiabilitiesDetails Financial assets and liabilities (Details) Details http://www.inventivapharma.com/role/DisclosureFinancialAssetsAndLiabilitiesTables 131 false false R132.htm 41901 - Disclosure - Revenues and other income (Details) Sheet http://www.inventivapharma.com/role/DisclosureRevenuesAndOtherIncomeDetails Revenues and other income (Details) Details http://www.inventivapharma.com/role/DisclosureRevenuesAndOtherIncomeTables 132 false false R133.htm 41902 - Disclosure - Revenues and Other Income - Additional information (Details) Sheet http://www.inventivapharma.com/role/DisclosureRevenuesAndOtherIncomeAdditionalInformationDetails Revenues and Other Income - Additional information (Details) Details 133 false false R134.htm 42001 - Disclosure - Operating expenses (Details) Sheet http://www.inventivapharma.com/role/DisclosureOperatingExpensesDetails Operating expenses (Details) Details http://www.inventivapharma.com/role/DisclosureOperatingExpensesTables 134 false false R135.htm 42002 - Disclosure - Operating expenses - Personnel costs and headcount (Details) Sheet http://www.inventivapharma.com/role/DisclosureOperatingExpensesPersonnelCostsAndHeadcountDetails Operating expenses - Personnel costs and headcount (Details) Details 135 false false R136.htm 42003 - Disclosure - Operating expenses - Additional Information (Details) Sheet http://www.inventivapharma.com/role/DisclosureOperatingExpensesAdditionalInformationDetails Operating expenses - Additional Information (Details) Details 136 false false R137.htm 42101 - Disclosure - Other operating income and expenses - (Details) Sheet http://www.inventivapharma.com/role/DisclosureOtherOperatingIncomeAndExpensesDetails Other operating income and expenses - (Details) Details http://www.inventivapharma.com/role/DisclosureOtherOperatingIncomeAndExpensesTables 137 false false R138.htm 42102 - Disclosure - Other operating income and expenses - Additional Information (Details) Sheet http://www.inventivapharma.com/role/DisclosureOtherOperatingIncomeAndExpensesAdditionalInformationDetails Other operating income and expenses - Additional Information (Details) Details 138 false false R139.htm 42201 - Disclosure - Financial income and expenses (Details) Sheet http://www.inventivapharma.com/role/DisclosureFinancialIncomeAndExpensesDetails Financial income and expenses (Details) Details http://www.inventivapharma.com/role/DisclosureFinancialIncomeAndExpensesTables 139 false false R140.htm 42301 - Disclosure - Share of net profit - Equity method (Details) Sheet http://www.inventivapharma.com/role/DisclosureShareOfNetProfitEquityMethodDetails Share of net profit - Equity method (Details) Details http://www.inventivapharma.com/role/DisclosureShareOfNetProfitEquityMethodTables 140 false false R141.htm 42401 - Disclosure - Income tax (Details) Sheet http://www.inventivapharma.com/role/DisclosureIncomeTaxDetails Income tax (Details) Details http://www.inventivapharma.com/role/DisclosureIncomeTax 141 false false R142.htm 42501 - Disclosure - Basic and diluted loss per share (Details) Sheet http://www.inventivapharma.com/role/DisclosureBasicAndDilutedLossPerShareDetails Basic and diluted loss per share (Details) Details http://www.inventivapharma.com/role/DisclosureBasicAndDilutedLossPerShareTables 142 false false R143.htm 42601 - Disclosure - Commitments related to operational activities (Details) Sheet http://www.inventivapharma.com/role/DisclosureCommitmentsRelatedToOperationalActivitiesDetails Commitments related to operational activities (Details) Details http://www.inventivapharma.com/role/DisclosureCommitmentsRelatedToOperationalActivitiesTables 143 false false R144.htm 42602 - Disclosure - Commitments related to operational activities - Commitments given and received (Details) Sheet http://www.inventivapharma.com/role/DisclosureCommitmentsRelatedToOperationalActivitiesCommitmentsGivenAndReceivedDetails Commitments related to operational activities - Commitments given and received (Details) Details 144 false false R145.htm 42701 - Disclosure - Related party transactions - Summary of transactions with key management personnel (Details) Sheet http://www.inventivapharma.com/role/DisclosureRelatedPartyTransactionsSummaryOfTransactionsWithKeyManagementPersonnelDetails Related party transactions - Summary of transactions with key management personnel (Details) Details 145 false false R146.htm 42702 - Disclosure - Related-party transactions (Details) Sheet http://www.inventivapharma.com/role/DisclosureRelatedPartyTransactionsDetails Related-party transactions (Details) Details http://www.inventivapharma.com/role/DisclosureRelatedPartyTransactionsTables 146 false false R147.htm 42801 - Disclosure - Financial risk management - Exposure to foreign exchange risk (Details) Sheet http://www.inventivapharma.com/role/DisclosureFinancialRiskManagementExposureToForeignExchangeRiskDetails Financial risk management - Exposure to foreign exchange risk (Details) Details 147 false false R148.htm 42802 - Disclosure - Financial risk management - Exposure to foreign exchange risk - Sensitivity Analysis (Details) Sheet http://www.inventivapharma.com/role/DisclosureFinancialRiskManagementExposureToForeignExchangeRiskSensitivityAnalysisDetails Financial risk management - Exposure to foreign exchange risk - Sensitivity Analysis (Details) Details 148 false false R149.htm 42901 - Disclosure - Events after the reporting date (Details) Sheet http://www.inventivapharma.com/role/DisclosureEventsAfterReportingDateDetails Events after the reporting date (Details) Details http://www.inventivapharma.com/role/DisclosureEventsAfterReportingDate 149 false false All Reports Book All Reports [ix-0514-Hidden-Fact-Eligible-For-Transform] WARN: 11 fact(s) appearing in ix:hidden were eligible for transformation: dei:CurrentFiscalYearEndDate, dei:EntityIncorporationStateCountryCode, ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities, ifrs-full:PropertyPlantAndEquipmentIncludingRightofuseAssets, iva:LongTermDepositsTerm, iva:TermOfRoyaltyCertificate, iva:TermOverWhichVolumeWeightedAveragePricePerShareToDetermineNumberOfWarrantsToBeIssued, iva:TreatmentPeriodUnderStudy - iva-20231231x20f.htm 9 iva-20231231.xsd iva-20231231_cal.xml iva-20231231_def.xml iva-20231231_lab.xml iva-20231231_pre.xml iva-20231231x20f.htm iva-20231231x20f005.jpg iva-20231231x20f006.jpg iva-20231231x20f019.jpg http://xbrl.sec.gov/dei/2023 https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full true true