Goodwill and intangible assets - Narrative (Details) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Disclosure of reconciliation of changes in intangible assets and goodwill [line items] | ||
| VIU forecast period | 5 years | |
| Total for all cash-generating units | ||
| Disclosure of reconciliation of changes in intangible assets and goodwill [line items] | ||
| Growth rate | 2.00% | 2.00% |
| Total for all cash-generating units | Bottom of range | ||
| Disclosure of reconciliation of changes in intangible assets and goodwill [line items] | ||
| Discount rate | 15.20% | 14.50% |
| Total for all cash-generating units | Top of range | ||
| Disclosure of reconciliation of changes in intangible assets and goodwill [line items] | ||
| Discount rate | 19.20% | 18.50% |