Revenues and other income - Additional information (Details) - EUR (€) € in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Revenues and other income | |||
| Revenues from joint operations acquired | € 87 | ||
| Recovery of cost share of right-of-use assets pertaining to partners of unincorporated joint operations | 160 | € 194 | € 121 |
| Reimbursement of past and expected costs incurred for environmental sustainability | € 1,048 | ||