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Audit fees (Tables) | 12 Months Ended
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Dec. 31, 2024
Auditor's remuneration [abstract] |
Disclosure of detailed information about auditors remuneration [Table Text Block] |
Million euros | 2024 | 2023
Fees for audit services | 13.08 |  | 13.53 |
Fees for audit related services | 0.71 |  | 0.67
Tax fees | 0.02 |  | — |
Other non-audit services | — |  | — |

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- Definition Disclosure of detailed information about auditors remuneration + References No definition available. + Details
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Namespace Prefix: | fer_
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- References No definition available. + Details
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