XML 181 R135.htm IDEA: XBRL DOCUMENT
v3.25.1

Income (loss) per share - Narrative (Details) | 12 Months Ended
--- | ---
Dec. 31, 2024 shares | Dec. 31, 2023 shares | Dec. 31, 2022 shares
Earnings per share [abstract] |  |  |
Number of instruments that are antidilutive in period presented (in shares) | 29,570,132 | 28,754,280 | 1,707,037
Maximum number of shares to be issued (in shares) | 6,760,392 | 6,510,658 | 1,707,037

X
- Definition Maximum Number Of Shares To Be Issued + References No definition available. + Details
Name: | abvx_MaximumNumberOfSharesToBeIssued
Namespace Prefix: | abvx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | ifrs-full_EarningsPerShareAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of (units of) instruments that are antidilutive in the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2024-01-01 -Paragraph 70 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2024-en-r&anchor=para_70_c&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_NumberOfInstrumentsThatAreAntidilutiveInPeriodPresented
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration