XML 348 R180.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Balances under contracts with customers and other - Narrative (Details) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 EUR (€) year | Dec. 31, 2023 EUR (€) year | Dec. 31, 2022 EUR (€)
Balances under contracts with customers and other IFRS15 disclosures [Line Items] |  |  |
Revenue from contracts with customers | € | € 9,024.0 | € 8,339.0 | € 7,385.0
Percentage of revenue from contracts with customers over total revenue | 98.70% | 97.90% | 97.80%
Construction division [Member] |  |  |
Balances under contracts with customers and other IFRS15 disclosures [Line Items] |  |  |
Revenue from contracts with customers | € | € 7,091.0 | € 6,909.0 | € 6,287.0
Number of contracts with customers in force | year | 738 | 750 |
Energy infraestructure and Mobility [Member] |  |  |
Balances under contracts with customers and other IFRS15 disclosures [Line Items] |  |  |
Number of contracts with customers in force | year | 138 | 198 |

X
- Definition Balances under contracts with customers and other IFRS15 disclosures + References No definition available. + Details
Name: | fer_BalancesUnderContractsWithCustomersAndOtherIFRS15DisclosuresLineItems
Namespace Prefix: | fer_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of contracts with customers in force + References No definition available. + Details
Name: | fer_NumberOfContractsWithCustomersInForce
Namespace Prefix: | fer_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of revenue from contracts with customers over total revenue + References No definition available. + Details
Name: | fer_PercentageOfRevenueFromContractsWithCustomersOverTotalRevenue
Namespace Prefix: | fer_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of revenue from contracts with customers. A customer is a party that has contracted with an entity to obtain goods or services that are an output of the entity’s ordinary activities in exchange for consideration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2024-01-01 -Paragraph 114 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2024-en-r&anchor=para_114&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2024-01-01 -Paragraph 113 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2024-en-r&anchor=para_113_a&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_RevenueFromContractsWithCustomers
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_SegmentsAxis=fer_ConstructionDivisionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=fer_EnergyInfraestructureAndMobilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |