XML 277 R1.htm IDEA: XBRL DOCUMENT v3.24.1
Document and Entity Information
 12 Months Ended
Dec. 31, 2023
shares
Entity Addresses [Line Items]  
Document Type 20-F
Document Registration Statement false
Document Annual Report true
Document Period End Date Dec. 31, 2023
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 V
Entity Address, Country DK
Entity Address, Postal Zip Code DK-1560
Entity Common Stock, Shares Outstanding 311,409,868
Entity Well-known Seasoned Issuer Yes
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Non-accelerated Filer
Entity Emerging Growth Company true
Entity Ex Transition Period false
ICFR Auditor Attestation Flag false
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 2023
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 V
Entity Address, Country DK
Entity Address, Postal Zip Code DK-1560