XML 69 R38.htm IDEA: XBRL DOCUMENT
v3.26.1

Accounting principles (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2025
Accounting Principles [Abstract] |
Disclosure of depreciation period of property, plant and equipment | Property, plant and equipment are depreciated using the straight-line method over the estimated useful life of the asset. The principal useful lives applied are as follows:
| DEPRECIATION PERIOD
Buildings |  |
Office fixtures and fittings | 3 years (1) |
Equipment |  |
Industrial materials and equipment | 5 to 10 years |
Technical facilities | 5 to 10 years |
Furniture and computer equipment: |  |
Office equipment | 5 to 10 years |
IT equipment | 3 years |
Furniture | 10 years |
(1)Office fixtures and fittings estimated useful lives correspond to the Paris headquarters and Boston offices residual estimated lease terms.

X
- Definition Accounting Principles [Abstract] + References No definition available. + Details
Name: | abvx_AccountingPrinciplesAbstract
Namespace Prefix: | abvx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of detailed information about property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2025-01-01 -Paragraph 73 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 200 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200&doctype=Standard -URIDate 2025-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 200 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200&doctype=Standard -URIDate 2025-03-27 + Details
Name: | ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | dtr-2022:textBlockItemType
Balance Type: | na
Period Type: | duration