Vesting Requirements For Share-Based Payment Arrangement, Vesting Percentage

No definition available.

Name:	abvx_VestingRequirementsForShareBasedPaymentArrangementVestingPercentage
Namespace Prefix:	abvx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Vesting Requirements For Share-Based Payment Arrangement, Vesting Period

+ References

No definition available.

+ Details

Name:	abvx_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod
Namespace Prefix:	abvx_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

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

- Definition

The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 45
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45&doctype=Standard
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 47
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_47_b&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=abvx_ShareSubscriptionWarrantsBSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=abvx_AGA20251Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=abvx_AGA20252Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=abvx_AGA20253Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=abvx_AGA20254Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=abvx_AGA20255Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	abvx_TranchesAxis=abvx_TrancheOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=abvx_AGA20251AGA20252AGA20253AndAGA20254Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	abvx_TranchesAxis=abvx_TrancheTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	abvx_TranchesAxis=abvx_TrancheThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Share-based payments - Narrative (Details) - shares	1 Months Ended			2 Months Ended	3 Months Ended	100 Months Ended
Share-based payments - Narrative (Details) - shares	Mar. 31, 2025	Feb. 28, 2025	Jan. 31, 2025	Mar. 31, 2025	Mar. 31, 2025	Mar. 31, 2025
BSAs
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of instruments issued (in shares)			125,000		125,000	447,344
AGA-2025-1
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of instruments issued (in shares)		4,319,500		4,319,500
AGA-2025-2
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of instruments issued (in shares)		123,102		123,102
Vesting period				2 years
AGA-2025-3
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of instruments issued (in shares)		17,625
AGA-2025-4
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of instruments issued (in shares)		30,500
AGA-2025-5
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of instruments issued (in shares)	50,000			50,000
Tranche 1 \| AGA-2025-1, AGA-2025-2, AGA-2025-3 and AGA-2025-4
Disclosure of terms and conditions of share-based payment arrangement [line items]
Vesting period		2 years
Vesting percentage		50.00%
Tranche 2 \| AGA-2025-1, AGA-2025-2, AGA-2025-3 and AGA-2025-4
Disclosure of terms and conditions of share-based payment arrangement [line items]
Vesting period		3 years
Vesting percentage		25.00%
Tranche 3 \| AGA-2025-1, AGA-2025-2, AGA-2025-3 and AGA-2025-4
Disclosure of terms and conditions of share-based payment arrangement [line items]
Vesting period		4 years
Vesting percentage		25.00%