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The increase (decrease) in equity resulting from share-based payment transactions. [Refer: Equity]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2027-01-01
-Name IAS
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The increase (decrease) in equity resulting from changes that the entity does not separately disclose in the same statement or note. [Refer: Equity]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2027-01-01
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The increase (decrease) in equity resulting from treasury share transactions. [Refer: Equity; Treasury shares]

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The increase in equity through the issue of equity instruments.

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The nominal value of capital issued.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Note Effective 2027-01-01
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The number of shares issued by the entity.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
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A component of equity representing reserves within equity, not including retained earnings. [Refer: Retained earnings]

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The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Total for all subsidiaries [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2025-en-r&anchor=para_16_b_iii&doctype=Standard
-URIDate 2025-03-27

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-URIDate 2025-03-27

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Actuarial reserve relating to employee benefit.

No definition available.

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Percentage of allocated shares

No definition available.

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Changes in ownership interest in a subsidiary without change of control.

No definition available.

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Currency translation differences.

No definition available.

Name:	lanv_CurrencyTranslationDifferences
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The number of shares allocated by the entity.

No definition available.

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Namespace Prefix:	lanv_
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Data Type:	na
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