Right-of-use assets - Narrative (Details) - EUR (€) € in Thousands |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Zegna Segment | Leased Stores | ||
| Disclosure of quantitative information about right-of-use assets [line items] | ||
| Net impairment of leased and owned stores | € 838 | € 4,046 |
| Bottom of range | ||
| Disclosure of quantitative information about right-of-use assets [line items] | ||
| Rental contracts, term | 1 year | |
| Extension options term | 1 year | |
| Top of range | ||
| Disclosure of quantitative information about right-of-use assets [line items] | ||
| Rental contracts, term | 15 years | |
| Extension options term | 10 years | |