{
 "documentInfo": {
  "documentType": "https://xbrl.org/2021/xbrl-json",
  "features": {
   "xbrl:canonicalValues": true
  },
  "namespaces": {
   "cadeler": "https://cadeler.com",
   "ifrs-full": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full",
   "iso4217": "http://www.xbrl.org/2003/iso4217",
   "scheme": "http://standards.iso.org/iso/17442",
   "xbrl": "https://xbrl.org/2021",
   "xbrli": "http://www.xbrl.org/2003/instance"
  },
  "taxonomy": [
   "https://cadeler.com/cadeler-2025-06-30.xsd"
  ]
 },
 "facts": {
  "fact1041": {
   "value": "298535000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Revenue",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1042": {
   "value": "100234000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CostOfSales",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1043": {
   "value": "198301000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:GrossProfit",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1044": {
   "value": "2854000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherOperatingIncomeExpense",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1063": {
   "value": "82218000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Revenue",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1064": {
   "value": "57398000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CostOfSales",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1065": {
   "value": "24820000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:GrossProfit",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1066": {
   "value": "747000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherOperatingIncomeExpense",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1056": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1057": {
   "value": "-21779000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:GainsLossesOnCashFlowHedgesNetOfTax",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1058": {
   "value": "-2772000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "cadeler:GainsLossesOnCashFlowHedgesItemsRecycled",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1079": {
   "value": "16077000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1080": {
   "value": "16778000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:GainsLossesOnCashFlowHedgesNetOfTax",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1081": {
   "value": "-59000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "cadeler:GainsLossesOnCashFlowHedgesItemsRecycled",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1045": {
   "value": "33201000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdministrativeExpense",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1046": {
   "value": "167954000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossFromOperatingActivities",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1067": {
   "value": "26930000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdministrativeExpense",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1068": {
   "value": "-1363000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossFromOperatingActivities",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1059": {
   "value": "-5535000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "cadeler:GainsLossesOnCashFlowHedgesCostOfHedging",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1082": {
   "value": "6184000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "cadeler:GainsLossesOnCashFlowHedgesCostOfHedging",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1060": {
   "value": "-30086000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1083": {
   "value": "38980000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1047": {
   "value": "4747000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:FinanceIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1048": {
   "value": "1576000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:FinanceCosts",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1069": {
   "value": "4862000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:FinanceIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1070": {
   "value": "2229000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:FinanceCosts",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1071": {
   "value": "1270000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossBeforeTax",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1061": {
   "value": "137647000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1085": {
   "value": "39133000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1049": {
   "value": "171125000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossBeforeTax",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1062": {
   "value": "137647000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1087": {
   "value": "39133000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1050": {
   "value": "3392000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncomeTaxExpenseContinuingOperations",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1072": {
   "value": "1117000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncomeTaxExpenseContinuingOperations",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1051": {
   "value": "167733000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1073": {
   "value": "153000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1053": {
   "value": "167733000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossAttributableToOwnersOfParent",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1076": {
   "value": "153000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossAttributableToOwnersOfParent",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1054": {
   "value": "0.48",
   "decimals": 2,
   "dimensions": {
    "concept": "ifrs-full:BasicEarningsLossPerShare",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR/xbrli:shares"
   }
  },
  "fact1055": {
   "value": "0.48",
   "decimals": 2,
   "dimensions": {
    "concept": "ifrs-full:DilutedEarningsLossPerShare",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR/xbrli:shares"
   }
  },
  "fact1077": {
   "value": "0.0",
   "decimals": 2,
   "dimensions": {
    "concept": "ifrs-full:BasicEarningsLossPerShare",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR/xbrli:shares"
   }
  },
  "fact1078": {
   "value": "0.0",
   "decimals": 2,
   "dimensions": {
    "concept": "ifrs-full:DilutedEarningsLossPerShare",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR/xbrli:shares"
   }
  },
  "fact1092": {
   "value": "19106000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IntangibleAssetsAndGoodwill",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1106": {
   "value": "47144000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IssuedCapital",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1130": {
   "value": "18190000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IntangibleAssetsAndGoodwill",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1144": {
   "value": "47144000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IssuedCapital",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1145": {
   "value": "1099495000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:SharePremium",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1146": {
   "value": "1283000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:TreasuryShares",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1147": {
   "value": "29180000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherReserves",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1148": {
   "value": "59358000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:RetainedEarnings",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1149": {
   "value": "1233894000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1150": {
   "value": "9697000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentLeaseLiabilities",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1093": {
   "value": "2384551000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:PropertyPlantAndEquipment",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1094": {
   "value": "11133000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:RightofuseAssets",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1131": {
   "value": "1712266000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:PropertyPlantAndEquipment",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1132": {
   "value": "10337000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:RightofuseAssets",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1107": {
   "value": "1099495000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:SharePremium",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1108": {
   "value": "2999000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:TreasuryShares",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1095": {
   "value": "1090000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:LongtermDeposits",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1133": {
   "value": "1014000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:LongtermDeposits",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1109": {
   "value": "-906000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherReserves",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1096": {
   "value": "919000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentDerivativeFinancialAssets",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1134": {
   "value": "6593000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentDerivativeFinancialAssets",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1110": {
   "value": "228193000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:RetainedEarnings",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1111": {
   "value": "1370927000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1113": {
   "value": "10133000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentLeaseLiabilities",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1097": {
   "value": "2416799000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentAssets",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1098": {
   "value": "2269000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Inventories",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1135": {
   "value": "1748400000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentAssets",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1136": {
   "value": "1039000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Inventories",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1099": {
   "value": "111509000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:TradeAndOtherReceivables",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1100": {
   "value": "154330000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentContractAssets",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1101": {
   "value": "30811000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Prepayments",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1137": {
   "value": "62986000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:TradeAndOtherReceivables",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1114": {
   "value": "11972000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DeferredTaxLiabilities",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1151": {
   "value": "11972000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DeferredTaxLiabilities",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1152": {
   "value": "1747000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "cadeler:DeferredRevenueNonCurrent",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1138": {
   "value": "37609000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentContractAssets",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1115": {
   "value": "8337000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "cadeler:DeferredRevenueNonCurrent",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1139": {
   "value": "16643000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Prepayments",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1116": {
   "value": "993600000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "cadeler:DebtToCreditInstitutionsNonCurrent",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1117": {
   "value": "16663000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentDerivativeFinancialLiabilities",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1153": {
   "value": "539854000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "cadeler:DebtToCreditInstitutionsNonCurrent",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1154": {
   "value": "16205000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentDerivativeFinancialLiabilities",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1155": {
   "value": "579475000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentLiabilities",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1156": {
   "value": "43595000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:TradeAndOtherCurrentPayables",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1157": {
   "value": "841000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentProvisions",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1102": {
   "value": "721000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentDerivativeFinancialAssets",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1140": {
   "value": "11875000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentDerivativeFinancialAssets",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1103": {
   "value": "53030000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1141": {
   "value": "58464000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1118": {
   "value": "1040705000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentLiabilities",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1119": {
   "value": "52237000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:TradeAndOtherCurrentPayables",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1104": {
   "value": "352670000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentAssets",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1105": {
   "value": "2769469000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Assets",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1142": {
   "value": "188616000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentAssets",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1143": {
   "value": "1937016000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Assets",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1120": {
   "value": "841000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentProvisions",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1121": {
   "value": "201000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:TradeAndOtherPayablesToRelatedParties",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1158": {
   "value": "223000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:TradeAndOtherPayablesToRelatedParties",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1122": {
   "value": "79984000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "cadeler:DeferredRevenueCurrent",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1159": {
   "value": "45590000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "cadeler:DeferredRevenueCurrent",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1160": {
   "value": "1274000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentLeaseLiabilities",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1123": {
   "value": "1710000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentLeaseLiabilities",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1124": {
   "value": "3848000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentTaxLiabilitiesCurrent",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1161": {
   "value": "752000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentTaxLiabilitiesCurrent",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1125": {
   "value": "204785000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "cadeler:DebtToCreditInstitutionsCurrent",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1126": {
   "value": "14231000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentDerivativeFinancialLiabilities",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1162": {
   "value": "31163000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "cadeler:DebtToCreditInstitutionsCurrent",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1163": {
   "value": "209000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentDerivativeFinancialLiabilities",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1127": {
   "value": "357837000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentLiabilities",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1128": {
   "value": "1398542000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Liabilities",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1129": {
   "value": "2769469000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:EquityAndLiabilities",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1164": {
   "value": "123647000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentLiabilities",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1165": {
   "value": "703122000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Liabilities",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1166": {
   "value": "1937016000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:EquityAndLiabilities",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1167": {
   "value": "47144000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1168": {
   "value": "1099495000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1169": {
   "value": "-1283000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1170": {
   "value": "-3332000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1171": {
   "value": "5131000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "cadeler:CostOfHedgingReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1172": {
   "value": "27381000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1173": {
   "value": "59358000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1205": {
   "value": "167733000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1206": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1174": {
   "value": "1233894000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1210": {
   "value": "167733000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1211": {
   "value": "-30086000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1212": {
   "value": "137647000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1213": {
   "value": "1102000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1175": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1180": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1185": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1190": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1191": {
   "value": "-24551000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1192": {
   "value": "-24551000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1193": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1195": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "cadeler:CostOfHedgingReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1196": {
   "value": "-5535000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "cadeler:CostOfHedgingReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1197": {
   "value": "-5535000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "cadeler:CostOfHedgingReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1198": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "cadeler:CostOfHedgingReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1200": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1176": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1181": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1186": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1201": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1177": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1182": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1187": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1188": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1202": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1207": {
   "value": "167733000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1208": {
   "value": "1102000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1209": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:PurchaseOfTreasuryShares",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1178": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1179": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:PurchaseOfTreasuryShares",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1183": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1184": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:PurchaseOfTreasuryShares",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1203": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1204": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:PurchaseOfTreasuryShares",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1189": {
   "value": "1716000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:PurchaseOfTreasuryShares",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1217": {
   "value": "-2999000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1194": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:PurchaseOfTreasuryShares",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1199": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:PurchaseOfTreasuryShares",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "cadeler:CostOfHedgingReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1214": {
   "value": "1716000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:PurchaseOfTreasuryShares",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1215": {
   "value": "47144000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1216": {
   "value": "1099495000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1218": {
   "value": "-27883000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1219": {
   "value": "-404000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "cadeler:CostOfHedgingReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1220": {
   "value": "27381000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1221": {
   "value": "228193000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1112": {
   "value": "1370927000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1222": {
   "value": "41839000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1223": {
   "value": "952858000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1224": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1244": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1245": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1246": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1247": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IssueOfEquity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1248": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ShareIssueRelatedCost",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1249": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "cadeler:FurtherIssueOfEquityInTheYear",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1250": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1281": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1225": {
   "value": "-17938000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1226": {
   "value": "-3621000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "cadeler:CostOfHedgingReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1227": {
   "value": "-6724000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1228": {
   "value": "-7373000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1229": {
   "value": "959041000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1074": {
   "value": "153000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1230": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1237": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1251": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1258": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "cadeler:CostOfHedgingReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1265": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1272": {
   "value": "153000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1231": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1238": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1252": {
   "value": "16719000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1259": {
   "value": "6184000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "cadeler:CostOfHedgingReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1266": {
   "value": "16077000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1273": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1084": {
   "value": "38980000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1086": {
   "value": "39133000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1088": {
   "value": "154868000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IssueOfEquity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1089": {
   "value": "2506000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ShareIssueRelatedCost",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1090": {
   "value": "88000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "cadeler:FurtherIssueOfEquityInTheYear",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1232": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1239": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1240": {
   "value": "149567000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IssueOfEquity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1241": {
   "value": "2506000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ShareIssueRelatedCost",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1242": {
   "value": "84000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "cadeler:FurtherIssueOfEquityInTheYear",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1253": {
   "value": "16719000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1260": {
   "value": "6184000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "cadeler:CostOfHedgingReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1267": {
   "value": "16077000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1274": {
   "value": "153000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1233": {
   "value": "5301000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IssueOfEquity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1254": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IssueOfEquity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1261": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IssueOfEquity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "cadeler:CostOfHedgingReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1268": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IssueOfEquity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1275": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IssueOfEquity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1234": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ShareIssueRelatedCost",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1255": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ShareIssueRelatedCost",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1262": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ShareIssueRelatedCost",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "cadeler:CostOfHedgingReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1269": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ShareIssueRelatedCost",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1276": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ShareIssueRelatedCost",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1277": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "cadeler:FurtherIssueOfEquityInTheYear",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1235": {
   "value": "4000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "cadeler:FurtherIssueOfEquityInTheYear",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1236": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1256": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "cadeler:FurtherIssueOfEquityInTheYear",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1257": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1263": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "cadeler:FurtherIssueOfEquityInTheYear",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "cadeler:CostOfHedgingReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1264": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "cadeler:CostOfHedgingReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1270": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "cadeler:FurtherIssueOfEquityInTheYear",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1271": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1243": {
   "value": "0.0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1278": {
   "value": "691000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1091": {
   "value": "691000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1279": {
   "value": "47144000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1280": {
   "value": "1100003000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1282": {
   "value": "-1219000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1283": {
   "value": "2563000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "cadeler:CostOfHedgingReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1284": {
   "value": "9353000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1285": {
   "value": "-6529000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact1286": {
   "value": "1151315000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1052": {
   "value": "167733000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:9845008439EUED140282",
    "period": "2025-01-01T00:00:00/2025-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact1075": {
   "value": "153000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:9845008439EUED140282",
    "period": "2024-01-01T00:00:00/2024-07-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  }
 }
}