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Non-current assets investment in associates (Details) - EUR (€) € in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Sep. 30, 2024 | Dec. 31, 2022
Non-current assets [abstract] |  |  |  |
Investments in associates accounted for using equity method | € 3,023 | € 2,038 | € 3,023 | € 1,951
Increase decrease in investments in associates share profit | 238 | 215 |  |
Increase decrease in investments in associates exchange rate | 60 | (33) |  |
Increase decrease in investments in associates dividends | (357) |  |  |
Increase decrease in investments in associates changes in the scope of consolidation | 1,192 | 214 |  |
Increase decrease in investments in investments in associates others | € (148) | € 12 |  |

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