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Net financial income/(expense) (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Finance income expense [Abstract] |  |  |
Financial income from infrastructure project financing | € 43 | € 34 | € 8
Financial expense from infrastructure project financing | (382) | (362) | (251)
Financial result on financing of infrastructure projects | (339) | (328) | (243)
Net financial income expense from derivatives and other fair value adjustments infrastructure project companies | 9 | 13 | (105)
Other net financial income expense infrastructure project companies | (81) | (57) | (17)
Result on derivatives and other financial results infrastructure projects | (72) | (44) | (122)
Financial result of infrastructure projects | (411) | (372) | (365)
Financial income other companies | 169 | 216 | 104
Financial expense other companies | (95) | (105) | (103)
Financial result on financing excluding infrastructure projects | 74 | 111 | 1
Financial assets at value of changes in results | 574 | 11 | 47
Other net financial income expense other companies | 37 | 20 | 0
Result on derivatives and other financial results excluding infrastructure projects | 611 | 31 | 47
Financial result excluding infrastructure projects | 685 | 142 | 48
Finance income (cost) | € 274 | € (230) | € (317)
Change in percentage of financial income from infrastructure project financing | 26.00% | 325.00% |
Change in percentage of financial expense from infrastructure project financing | 6.00% | 44.00% |
Change in percentage of financial result on financing of infrastructure projects | 3.00% | 35.00% |
Change in percentage of net financial income expense from derivatives and other fair value adjustments infrastructure project companies | (31.00%) | (112.00%) |
Change in percentage of other net financial income expense infrastructure project companies | 42.00% | 235.00% |
Change in percentage of result on derivatives and other financial results infrastructure projects | 64.00% | (64.00%) |
Change in percentage of financial result of infrastructure projects | 10.00% | 2.00% |
Change in percentage of financial income other companies | (22.00%) | 108.00% |
Change in percentage of financial expense other companies | (10.00%) | 2.00% |
Change in percentage of financial result on financing excluding infrastructure projects | (33.00%) | 11000.00% |
Change in percentage of net financial income expense from derivatives and other fair value adjustments other companies | 5118.00% | (77.00%) |
Change in percentage of other net financial income expense other companies | 85.00% | 0.00% |
Change in percentage of result on derivatives and other financial results excluding infrastructure projects | 1871.00% | (34.00%) |
Change in percentage of financial result excluding infrastructure projects | 382.00% | 196.00% |
Change in percentage of finance income cost | (219.00%) | (27.00%) |

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