XML 324 R1.htm IDEA: XBRL DOCUMENT v3.25.1
Document and Entity Information
 12 Months Ended
Dec. 31, 2024
shares
Entity Addresses [Line Items]  
Document Type 20-F
Document Registration Statement false
Document Annual Report true
Document Period End Date Dec. 31, 2024
Document Transition Report false
Document Shell Company Report false
Entity File Number 001-41889
Entity Registrant Name Cadeler A/S
Entity Incorporation, State or Country Code G7
Entity Address, Address Line One Kalvebod Brygge 43
Entity Address, City or Town Copenhagen
Entity Address, Country DK
Entity Address, Postal Zip Code DK-1560
Entity Common Stock, Shares Outstanding 350,957,583
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 true
Document Financial Statement Error Correction [Flag] false
Document Accounting Standard International Financial Reporting Standards
Entity Shell Company false
Entity Central Index Key 0001978867
Current Fiscal Year End Date --12-31
Document Fiscal Year Focus 2024
Document Fiscal Period Focus FY
Amendment Flag false
Auditor Name EY Godkendt Revisionspartnerselskab
Auditor Location Copenhagen, Denmark
Auditor Firm ID 1757
Ordinary shares  
Entity Addresses [Line Items]  
Title of 12(b) Security Cadeler ordinary shares, with a nominal value of DKK 1.00 per share
No Trading Symbol Flag true
Security Exchange Name NYSE
American Depositary Shares (''ADSs'')  
Entity Addresses [Line Items]  
Title of 12(b) Security American Depositary Shares, each representing four (4) ordinary shares
Trading Symbol CDLR
Security Exchange Name NYSE
Business Contact  
Entity Addresses [Line Items]  
Contact Personnel Name Alexander W. Simmonds
City Area Code +45
Local Phone Number 3246 3100
Contact Personnel Email Address alexander.simmonds@cadeler.com
Entity Address, Address Line One Kalvebod Brygge 43
Entity Address, City or Town Copenhagen
Entity Address, Country DK
Entity Address, Postal Zip Code DK-1560