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Remuneration of the board of directors and senior management - Narrative (Details) - EUR (€) | 12 Months Ended |
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Detail information about remuneration of the board of directors and senior management [Line Items] |  |  |
Basis of a certain percentage of the total monetary compensation of each senior manager. | € 2,391,000 | € 2,076,000 |
Basis of a certain percentage of the total monetary compensation of each executive director | 582,000 | 527,000 |
Remuneration in kind relating to a company car |  |  | € 8,000
Directors' remuneration expense | 1,900,000 | 1,900,000 |
Senior management remuneration [Member] | Pension defined benefit plans [member] |  |  |
Detail information about remuneration of the board of directors and senior management [Line Items] |  |  |
Remuneration paid in the form of a premium under a group insurance policy | 137,000 | 71,000 |
Directors remuneration for holding office [Member] |  |  |
Detail information about remuneration of the board of directors and senior management [Line Items] |  |  |
Post-employment benefit expense, defined contribution plans | 0 |  |
Directors remuneration for holding office [Member] | Ferrovial SE [Member] |  |  |
Detail information about remuneration of the board of directors and senior management [Line Items] |  |  |
Maximum annual amount of directors remuneration |  | 1,900,000 |
Directors remuneration for holding office [Member] | Insurance policies covering death [Member] |  |  |
Detail information about remuneration of the board of directors and senior management [Line Items] |  |  |
Life insurance premiums for executive directors | 18,000 | 15,000 |
Directors remuneration for holding office [Member] | Third party liability insurance [Member] |  |  |
Detail information about remuneration of the board of directors and senior management [Line Items] |  |  |
Premium paid to policy covering the directors and managers of the group companies | € 1,757,000 | € 1,073,000 |

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- Definition Basis of a certain percentage of the total monetary compensation of each senior manager. + References No definition available. + Details
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- Definition The amount of remuneration paid or payable to the entity's directors. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + Details
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