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Use of estimates - Additional information (Detail) | 12 Months Ended
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Dec. 31, 2022
Disclosure Of Use Of Estimates [Abstract] |
Percentage Of Total Credit Exposure Less Than Consolidated Revenues | 1.00%

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- Definition Disclosure of use of estimates. + References No definition available. + Details
Name: | lanv_DisclosureOfUseOfEstimatesAbstract
Namespace Prefix: | lanv_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage of total credit exposure less than consolidated revenues. + References No definition available. + Details
Name: | lanv_PercentageOfTotalCreditExposureLessThanConsolidatedRevenues
Namespace Prefix: | lanv_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration