XML 113 R89.htm IDEA: XBRL DOCUMENT
v3.26.1

Segment reporting - Narrative (Details) € in Thousands | Dec. 31, 2025 EUR (€) segment | Dec. 31, 2024 EUR (€)
--- | --- | ---
Disclosure of operating segments [abstract] |  |
Number of reportable segments | segment | 3 |
Number of operating segments | segment | 3 |
Disclosure of operating segments [line items] |  |
Total non-current assets (other than financial instruments and deferred tax assets) | € | € 1,441,952 | € 1,420,296
Netherlands |  |
Disclosure of operating segments [line items] |  |
Total non-current assets (other than financial instruments and deferred tax assets) | € | € 2,383 | € 538

X
- References No definition available. + Details
Name: | ifrs-full_DisclosureOfOperatingSegmentsAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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_DisclosureOfOperatingSegmentsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of non-current assets other than financial instruments, deferred tax assets, post-employment benefit assets and rights arising under insurance contracts. [Refer: Deferred tax assets; Classes of financial instruments [domain]; Non-current assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2025-01-01 -Paragraph 33 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_33_b&doctype=Standard -URIDate 2025-03-27 + Details
Name: | ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of Segments, Operating + References No definition available. + Details
Name: | zgn_NumberOfSegmentsOperating
Namespace Prefix: | zgn_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of Segments, Reportable + References No definition available. + Details
Name: | zgn_NumberOfSegmentsReportable
Namespace Prefix: | zgn_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_NL
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |