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Financial risk and capital management infraestructure (Details) - EUR (€) € in Millions | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
The value of assets liabilities non controlling interests and shareholders funds attributed to the parent company [Line Items] |  |  |
Assets | € 28,999 | € 26,318 |
Liabilities | 20,879 | 20,439 |
Equity attributable to owners of parent | 6,075 | 3,766 | € 4,233
Non-controlling interests | 2,045 | 2,113 | € 2,240
Euro Member Countries, Euro |  |  |
The value of assets liabilities non controlling interests and shareholders funds attributed to the parent company [Line Items] |  |  |
Assets | 8,145 | 7,957 |
Liabilities | 4,815 | 5,996 |
Equity attributable to owners of parent | 3,119 | 1,780 |
Non-controlling interests | 211 | 181 |
United Kingdom, Pounds |  |  |
The value of assets liabilities non controlling interests and shareholders funds attributed to the parent company [Line Items] |  |  |
Assets | 602 | 715 |
Liabilities | 382 | 477 |
Equity attributable to owners of parent | 219 | 237 |
Non-controlling interests | 1 | 1 |
United States of America, Dollars |  |  |
The value of assets liabilities non controlling interests and shareholders funds attributed to the parent company [Line Items] |  |  |
Assets | 15,561 | 13,399 |
Liabilities | 13,131 | 11,294 |
Equity attributable to owners of parent | 796 | 408 |
Non-controlling interests | 1,634 | 1,696 |
Canada, Dollars |  |  |
The value of assets liabilities non controlling interests and shareholders funds attributed to the parent company [Line Items] |  |  |
Assets | 882 | 976 |
Liabilities | 457 | 469 |
Equity attributable to owners of parent | 425 | 507 |
Non-controlling interests | 0 | 0 |
Australia, Dollars |  |  |
The value of assets liabilities non controlling interests and shareholders funds attributed to the parent company [Line Items] |  |  |
Assets | 289 | 269 |
Liabilities | 215 | 225 |
Equity attributable to owners of parent | 74 | 44 |
Non-controlling interests | 0 | 0 |
Poland, Zlotych |  |  |
The value of assets liabilities non controlling interests and shareholders funds attributed to the parent company [Line Items] |  |  |
Assets | 1,918 | 2,011 |
Liabilities | 1,576 | 1,613 |
Equity attributable to owners of parent | 144 | 164 |
Non-controlling interests | 199 | 234 |
Chile, Pesos |  |  |
The value of assets liabilities non controlling interests and shareholders funds attributed to the parent company [Line Items] |  |  |
Assets | 251 | 301 |
Liabilities | 132 | 191 |
Equity attributable to owners of parent | 120 | 110 |
Non-controlling interests | 0 | 0 |
Colombia, Pesos |  |  |
The value of assets liabilities non controlling interests and shareholders funds attributed to the parent company [Line Items] |  |  |
Assets | 233 | 230 |
Liabilities | 133 | 142 |
Equity attributable to owners of parent | 100 | 89 |
Non-controlling interests | 0 | 0 |
India, Rupees |  |  |
The value of assets liabilities non controlling interests and shareholders funds attributed to the parent company [Line Items] |  |  |
Assets | 1,026 | 380 |
Liabilities | 3 | 4 |
Equity attributable to owners of parent | 1,023 | 376 |
Non-controlling interests | 0 | 0 |
Other Currency [Member] |  |  |
The value of assets liabilities non controlling interests and shareholders funds attributed to the parent company [Line Items] |  |  |
Assets | 91 | 81 |
Liabilities | 36 | 28 |
Equity attributable to owners of parent | 56 | 52 |
Non-controlling interests | € 0 | € 1 |

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