XML 396 R228.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Audit fees (Details) - EUR (€) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Auditor's remuneration [abstract] |  |
Auditor's remuneration for audit services | € 13,080,000.00 | € 13,530,000
Auditor's remuneration for other services | 710,000 | 670,000
Auditors ramuneration taxes fess | 20,000.00 | 0
Auditors remuneration for non-audit services | € 0 | € 0

X
- Definition Auditors ramuneration taxes fess + References No definition available. + Details
Name: | fer_AuditorsRamunerationTaxesFess
Namespace Prefix: | fer_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Auditors remuneration for non-audit services + References No definition available. + Details
Name: | fer_AuditorsRemunerationForNonAuditServices
Namespace Prefix: | fer_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_AuditorsRemunerationAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of fees paid or payable to the entity's auditors for auditing services. + 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
Name: | ifrs-full_AuditorsRemunerationForAuditServices
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of fees paid or payable to the entity's auditors for services that the entity does not separately disclose in the same statement or note. + 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
Name: | ifrs-full_AuditorsRemunerationForOtherServices
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration