Equity - Schedule of changes in share of associates, joint ventures and other reserves (Details) - EUR (€) € in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of equity [Line Items] | |||
| Opening balance | € (687) | € (2,767) | |
| Closing balance | (3,080) | (687) | € (2,767) |
| Share of associates, joint ventures and other reserves | |||
| Disclosure of equity [Line Items] | |||
| Opening balance | 2,607 | 3,047 | 3,603 |
| Result for the year | 14 | 125 | 336 |
| Transfer to/from retained earnings | (590) | (565) | (892) |
| Closing balance | € 2,031 | € 2,607 | € 3,047 |