XML 395 R227.htm IDEA: XBRL DOCUMENT v3.25.0.1

Related party- Narrative (Details) - EUR (€) € in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Related party transactions [abstract]
The construction division recognized sales for construction work provided to operating groups	€ 303,050	€ 489,259	€ 1,030,639
Billing from construction division to groups infrastructure concession operator	206,077	375,680	865,487
Profit attributable to the companys holdings in the concession operators and not eliminated on consolidation	€ (14,206)	€ (34,942)	€ (60,507)

X

- Definition

Billing from construction division to groups infrastructure concession operator

+ References

No definition available.

+ Details

Name:	fer_BillingFromConstructionDivisionToGroupsInfrastructureConcessionOperator
Namespace Prefix:	fer_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Profit attributable to the companys holdings in the concession operators and not eliminated on consolidation

+ References

No definition available.

+ Details

Name:	fer_ProfitAttributableToTheCompanysHoldingsInTheConcessionOperatorsAndNotEliminatedOnConsolidation
Namespace Prefix:	fer_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The construction division recognized sales for construction work provided to operating groups

+ References

No definition available.

+ Details

Name:	fer_TheConstructionDivisionRecognizedSalesForConstructionWorkProvidedToOperatingGroups
Namespace Prefix:	fer_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	ifrs-full_RelatedPartyTransactionsAbstract
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration