XML 158 R112.htm IDEA: XBRL DOCUMENT v3.25.1

Financial liabilities - Change in financial liabilities (Details) - EUR (€) € in Thousands			12 Months Ended
	Aug. 24, 2023	Jul. 30, 2021	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disclosure of detailed information about borrowings [line items]
Net proceeds from the issuance of convertible bond loans			€ 0	€ 55,841	€ 0
Repurchases				2,591
Repayments of convertible loan notes	€ 33,000		8,750	27,188	€ 0
Proceeds from the issuance of non-convertible bond loans			48,544
Oceane conversion option
Disclosure of detailed information about borrowings [line items]
Repurchases				1,762
Kreos / Claret convertible notes (OCABSA)
Disclosure of detailed information about borrowings [line items]
Payments for debt issue costs				1,881
Kreos & Claret financing, tranche B and C
Disclosure of detailed information about borrowings [line items]
Payments for debt issue costs				750
Heights convertible notes
Disclosure of detailed information about borrowings [line items]
Payments for debt issue costs				1,528
Oceane
Disclosure of detailed information about borrowings [line items]
Net proceeds from the issuance of convertible bond loans		€ 25,000
Repayments of convertible loan notes	€ 25,102			€ 25,000
Kreos & Claret financing, tranche B
Disclosure of detailed information about borrowings [line items]
Payments for debt issue costs			1,475
Kreos & Claret financing, tranche C
Disclosure of detailed information about borrowings [line items]
Payments for debt issue costs			1,081
Kreos & Claret financing, tranche A-B
Disclosure of detailed information about borrowings [line items]
Payments for debt issue costs			€ 500

X

- Definition

Gross Proceeds From Non-Convertible Loans Notes

+ References

No definition available.

+ Details

Name:	abvx_GrossProceedsFromNonConvertibleLoansNotes
Namespace Prefix:	abvx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Net Proceeds From Convertible Loans Notes

+ References

No definition available.

+ Details

Name:	abvx_NetProceedsFromConvertibleLoansNotes
Namespace Prefix:	abvx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Repayments Of Convertible Loans Notes

+ References

No definition available.

+ Details

Name:	abvx_RepaymentsOfConvertibleLoansNotes
Namespace Prefix:	abvx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Repurchase Of Derivative Instruments

+ References

No definition available.

+ Details

Name:	abvx_RepurchaseOfDerivativeInstruments
Namespace Prefix:	abvx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The cash outflow for debt issue costs.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 7
-IssueDate 2024-01-01
-Paragraph 17
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_17&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_PaymentsForDebtIssueCosts
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	ifrs-full_ClassesOfFinancialLiabilitiesAxis=abvx_OceaneConversionOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abvx_KreosClaretFinancingTrancheAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abvx_KreosClaretFinancingSeniorSecuredNonConvertibleLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abvx_HeightsConvertibleNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abvx_OCEANEMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abvx_KreosClaretFinancingTrancheBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abvx_KreosClaretFinancingTrancheCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abvx_KreosClaretFinancingTrancheABMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: