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v3.23.1

Trade Receivables - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2022
No Major Customer [Member] |
Disclosure of Trade And Other Receivables [Line Items] |
Percentage of revenue | 5.00%

X
- Definition The percentage of the entity's revenue. [Refer: Revenue] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 8 -IssueDate 2022-03-24 -Paragraph 34 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_34&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_PercentageOfEntitysRevenue
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Disclosure of trade and other receivables. + References No definition available. + Details
Name: | lanv_disclosureOfTradeAndOtherReceivablesLineItems
Namespace Prefix: | lanv_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_MajorCustomersAxis=lanv_NoMajorCustomerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |