Intangible assets - Breakdown of exploration rights by type (Details) - EUR (€) € in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|---|
| Intangible assets | |||
| Intangible assets | € 6,022 | € 6,434 | € 6,379 |
| Exploration rights | |||
| Intangible assets | |||
| Intangible assets | 446 | 534 | € 663 |
| Proved licence and leasehold property acquisition costs | |||
| Intangible assets | |||
| Intangible assets | 61 | 79 | |
| Unproved licence and leasehold property acquisition costs | |||
| Intangible assets | |||
| Intangible assets | € 385 | € 455 |