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Income (expense) from investments (Details) - EUR (€)
€ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Income (expense) from investments      
Dividends € 227 € 255 € 351
Net gain (loss) on disposals 562 430 483
Other net income (expense) 195 423 2,789
Other gain (loss) from investments € 984 € 1,108 € 3,623