v3.26.3
Cover
 12 Months Ended
Dec. 31, 2025
shares
Document Information [Line Items]  
Document Type 20-F/A
Document Registration Statement false
Document Annual Report true
Document Period End Date Dec. 31, 2025
Document Transition Report false
Document Shell Company Report false
Entity File Number 001-41912
Entity Registrant Name Ferrovial N.V.
Entity Central Index Key 0001468522
Entity Incorporation, State or Country Code P7
Entity Address, Address Line One Gustav Mahlerplein 61-63 Symphony Towers, 14th Floor
Entity Address, Postal Zip Code 1082 MS
Entity Address, City or Town Amsterdam
Entity Address, Country NL
Amendment Flag false
Current Fiscal Year End Date --12-31
Document Fiscal Year Focus 2025
Document Fiscal Period Focus FY
Entity Common Stock, Shares Outstanding 720,626,181
Entity Well-known Seasoned Issuer Yes
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Large Accelerated Filer
Entity Emerging Growth Company false
ICFR Auditor Attestation Flag false
Document Accounting Standard International Financial Reporting Standards
Entity Shell Company false
Security Reporting Obligation 15(d)
Title of 12(b) Security Ordinary shares, par value EUR 0.01 per share
Trading Symbol FER
Security Exchange Name NASDAQ
Document Financial Statement Error Correction [Flag] false
Business Contact [Member]  
Document Information [Line Items]  
Contact Personnel Name Ignacio Madridejos
Entity Address, Address Line One Gustav Mahlerplein 61-63 Symphony Towers, 14th Floor
Entity Address, Postal Zip Code 1082 MS
Entity Address, City or Town Amsterdam
Entity Address, Country NL
City Area Code +31 20
Local Phone Number 798 3700
Other Address [Member]  
Document Information [Line Items]  
Entity Address, Address Line One Príncipe de Vergara, 135
Entity Address, Postal Zip Code 28002
Entity Address, City or Town Madrid
Entity Address, Country ES
City Area Code +34 91
Local Phone Number 586 2736
Contact Personnel Email Address ir@ferrovial.com