{
 "documentInfo": {
  "documentType": "https://xbrl.org/2021/xbrl-json",
  "features": {
   "xbrl:canonicalValues": true
  },
  "namespaces": {
   "ROC": "http://xbrl.rockwool.com/2025-03-31",
   "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": [
   "http://xbrl.rockwool.com/2025-03-31/ROCK-2025-03-31.xsd"
  ]
 },
 "facts": {
  "f1__s2__5__5": {
   "value": "959000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Revenue",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__6__5": {
   "value": "918000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Revenue",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__7__5": {
   "value": "3855000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Revenue",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__5__6": {
   "value": "1000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__6__6": {
   "value": "2000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__7__6": {
   "value": "16000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__5__7": {
   "value": "960000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:RevenueAndOperatingIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__6__7": {
   "value": "920000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:RevenueAndOperatingIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__7__7": {
   "value": "3871000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:RevenueAndOperatingIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__5__8": {
   "value": "311000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:RawMaterialsAndConsumablesUsed",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__6__8": {
   "value": "312000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:RawMaterialsAndConsumablesUsed",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__7__8": {
   "value": "1282000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:RawMaterialsAndConsumablesUsed",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__5__9": {
   "value": "119000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ROC:DeliveryAndIndirectExpense",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__6__9": {
   "value": "108000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ROC:DeliveryAndIndirectExpense",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__7__9": {
   "value": "475000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ROC:DeliveryAndIndirectExpense",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__5__10": {
   "value": "80000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherExpenseByNature",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__6__10": {
   "value": "75000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherExpenseByNature",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__7__10": {
   "value": "303000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherExpenseByNature",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__5__11": {
   "value": "227000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:EmployeeBenefitsExpense",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__6__11": {
   "value": "209000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:EmployeeBenefitsExpense",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__7__11": {
   "value": "871000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:EmployeeBenefitsExpense",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__5__12": {
   "value": "737000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OperatingExpense",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__6__12": {
   "value": "704000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OperatingExpense",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__7__12": {
   "value": "2931000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OperatingExpense",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__5__13": {
   "value": "223000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ROC:ProfitLossFromOperatingActivitiesBeforeInterestTaxesDepreciationAndAmortisationExpense",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__6__13": {
   "value": "216000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ROC:ProfitLossFromOperatingActivitiesBeforeInterestTaxesDepreciationAndAmortisationExpense",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__7__13": {
   "value": "940000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ROC:ProfitLossFromOperatingActivitiesBeforeInterestTaxesDepreciationAndAmortisationExpense",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__5__14": {
   "value": "69000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__6__14": {
   "value": "64000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__7__14": {
   "value": "263000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__5__15": {
   "value": "154000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossFromOperatingActivities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__6__15": {
   "value": "152000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossFromOperatingActivities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__7__15": {
   "value": "677000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossFromOperatingActivities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__5__16": {
   "value": "0.0",
   "dimensions": {
    "concept": "ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__6__16": {
   "value": "0.0",
   "dimensions": {
    "concept": "ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__7__16": {
   "value": "1000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__5__17": {
   "value": "-1000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:FinanceIncomeCost",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__6__17": {
   "value": "3000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:FinanceIncomeCost",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__7__17": {
   "value": "18000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:FinanceIncomeCost",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__5__18": {
   "value": "153000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossBeforeTax",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__6__18": {
   "value": "155000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossBeforeTax",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__7__18": {
   "value": "696000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossBeforeTax",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__5__19": {
   "value": "37000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:IncomeTaxExpenseContinuingOperations",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__6__19": {
   "value": "39000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:IncomeTaxExpenseContinuingOperations",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__7__19": {
   "value": "146000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:IncomeTaxExpenseContinuingOperations",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__5__20": {
   "value": "116000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__6__20": {
   "value": "116000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__7__20": {
   "value": "550000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__5__21": {
   "value": "0.0",
   "dimensions": {
    "concept": "ifrs-full:ProfitLossAttributableToNoncontrollingInterests",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__5__22": {
   "value": "116000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossAttributableToOwnersOfParent",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__6__21": {
   "value": "0.0",
   "dimensions": {
    "concept": "ifrs-full:ProfitLossAttributableToNoncontrollingInterests",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__6__22": {
   "value": "116000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossAttributableToOwnersOfParent",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__7__21": {
   "value": "0.0",
   "dimensions": {
    "concept": "ifrs-full:ProfitLossAttributableToNoncontrollingInterests",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__7__22": {
   "value": "550000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossAttributableToOwnersOfParent",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s2__5__23": {
   "value": "5.4",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:BasicEarningsLossPerShare",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR/xbrli:shares"
   }
  },
  "f1__s2__6__23": {
   "value": "5.4",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:BasicEarningsLossPerShare",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR/xbrli:shares"
   }
  },
  "f1__s2__7__23": {
   "value": "25.8",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:BasicEarningsLossPerShare",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR/xbrli:shares"
   }
  },
  "f1__s2__5__24": {
   "value": "5.4",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:DilutedEarningsLossPerShare",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR/xbrli:shares"
   }
  },
  "f1__s2__6__24": {
   "value": "5.4",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:DilutedEarningsLossPerShare",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR/xbrli:shares"
   }
  },
  "f1__s2__7__24": {
   "value": "25.7",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:DilutedEarningsLossPerShare",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR/xbrli:shares"
   }
  },
  "f1__s3__5__5": {
   "value": "116000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__6__5": {
   "value": "116000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__7__5": {
   "value": "550000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__5__6": {
   "value": "0.0",
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__6__6": {
   "value": "1000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__7__6": {
   "value": "-8000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__5__7": {
   "value": "0.0",
   "dimensions": {
    "concept": "ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__6__7": {
   "value": "0.0",
   "dimensions": {
    "concept": "ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__7__7": {
   "value": "-3000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__5__8": {
   "value": "35000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__6__8": {
   "value": "-8000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__7__8": {
   "value": "9000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__5__9": {
   "value": "-1000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeBeforeTaxCashFlowHedges",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__6__9": {
   "value": "2000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeBeforeTaxCashFlowHedges",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__7__9": {
   "value": "1000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeBeforeTaxCashFlowHedges",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__5__10": {
   "value": "0.0",
   "dimensions": {
    "concept": "ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__6__10": {
   "value": "0.0",
   "dimensions": {
    "concept": "ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__7__10": {
   "value": "0.0",
   "dimensions": {
    "concept": "ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__5__11": {
   "value": "34000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__6__11": {
   "value": "-5000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__7__11": {
   "value": "5000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__5__12": {
   "value": "150000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__6__12": {
   "value": "111000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__7__12": {
   "value": "555000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__5__13": {
   "value": "0.0",
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__5__14": {
   "value": "150000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__6__13": {
   "value": "0.0",
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__6__14": {
   "value": "111000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__7__13": {
   "value": "0.0",
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s3__7__14": {
   "value": "555000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__5__5": {
   "value": "207000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:IntangibleAssetsAndGoodwill",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__6__5": {
   "value": "146000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:IntangibleAssetsAndGoodwill",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2023-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__7__5": {
   "value": "213000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:IntangibleAssetsAndGoodwill",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__5__6": {
   "value": "2278000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:PropertyPlantAndEquipment",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__6__6": {
   "value": "2101000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:PropertyPlantAndEquipment",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2023-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__7__6": {
   "value": "2259000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:PropertyPlantAndEquipment",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__5__7": {
   "value": "72000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:RightofuseAssets",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__6__7": {
   "value": "73000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:RightofuseAssets",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2023-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__7__7": {
   "value": "77000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:RightofuseAssets",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__5__8": {
   "value": "30000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentFinancialAssets",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__6__8": {
   "value": "17000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentFinancialAssets",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2023-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__7__8": {
   "value": "36000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentFinancialAssets",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__5__9": {
   "value": "74000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:DeferredTaxAssets",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__6__9": {
   "value": "46000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:DeferredTaxAssets",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2023-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__7__9": {
   "value": "62000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:DeferredTaxAssets",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__5__10": {
   "value": "2661000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentAssets",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__6__10": {
   "value": "2383000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentAssets",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2023-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__7__10": {
   "value": "2647000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentAssets",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__5__13": {
   "value": "392000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Inventories",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__6__13": {
   "value": "370000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Inventories",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2023-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__7__13": {
   "value": "381000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Inventories",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__5__14": {
   "value": "625000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:TradeAndOtherCurrentReceivables",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__6__14": {
   "value": "569000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:TradeAndOtherCurrentReceivables",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2023-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__7__14": {
   "value": "457000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:TradeAndOtherCurrentReceivables",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__5__15": {
   "value": "499000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__6__15": {
   "value": "339000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2023-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__7__15": {
   "value": "403000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__5__16": {
   "value": "1516000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CurrentAssets",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__6__16": {
   "value": "1278000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CurrentAssets",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2023-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__7__16": {
   "value": "1241000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CurrentAssets",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__5__19": {
   "value": "4177000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Assets",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__6__19": {
   "value": "3661000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Assets",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2023-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__7__19": {
   "value": "3888000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Assets",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__5__22": {
   "value": "29000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:IssuedCapital",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__6__22": {
   "value": "29000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:IssuedCapital",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2023-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__7__22": {
   "value": "29000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:IssuedCapital",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__5__23": {
   "value": "-127000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ReserveOfExchangeDifferencesOnTranslation",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__6__23": {
   "value": "-179000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ReserveOfExchangeDifferencesOnTranslation",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2023-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__7__23": {
   "value": "-162000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ReserveOfExchangeDifferencesOnTranslation",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__5__24": {
   "value": "182000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ROC:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersRecognisedInEquity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__6__24": {
   "value": "125000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ROC:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersRecognisedInEquity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2023-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__7__24": {
   "value": "182000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ROC:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersRecognisedInEquity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__5__25": {
   "value": "3120000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:RetainedEarnings",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__6__25": {
   "value": "2907000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:RetainedEarnings",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2023-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__7__25": {
   "value": "3038000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:RetainedEarnings",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__5__26": {
   "value": "-3000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ReserveOfCashFlowHedges",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__6__26": {
   "value": "-1000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ReserveOfCashFlowHedges",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2023-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__7__26": {
   "value": "-2000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ReserveOfCashFlowHedges",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__5__27": {
   "value": "3201000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:EquityAttributableToOwnersOfParent",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__6__27": {
   "value": "2881000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:EquityAttributableToOwnersOfParent",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2023-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__7__27": {
   "value": "3085000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:EquityAttributableToOwnersOfParent",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__5__28": {
   "value": "1000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:NoncontrollingInterests",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__7__28": {
   "value": "1000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:NoncontrollingInterests",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__5__29": {
   "value": "3202000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__6__29": {
   "value": "2881000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2023-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__7__29": {
   "value": "3086000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__5__33": {
   "value": "229000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentLiabilities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__6__33": {
   "value": "216000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentLiabilities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2023-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__7__33": {
   "value": "205000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentLiabilities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__5__36": {
   "value": "746000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CurrentLiabilities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__6__36": {
   "value": "564000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CurrentLiabilities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2023-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__7__36": {
   "value": "597000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CurrentLiabilities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__5__39": {
   "value": "975000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Liabilities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__6__39": {
   "value": "780000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Liabilities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2023-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__7__39": {
   "value": "802000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Liabilities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__5__42": {
   "value": "4177000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:EquityAndLiabilities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__6__42": {
   "value": "3661000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:EquityAndLiabilities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2023-10-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s4__7__42": {
   "value": "3888000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:EquityAndLiabilities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__5__5": {
   "value": "154000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossFromOperatingActivities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__6__5": {
   "value": "152000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossFromOperatingActivities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__7__5": {
   "value": "677000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossFromOperatingActivities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__5__6": {
   "value": "69000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__6__6": {
   "value": "64000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__7__6": {
   "value": "263000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__5__7": {
   "value": "4000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherAdjustmentsForNoncashItems",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__6__7": {
   "value": "-2000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherAdjustmentsForNoncashItems",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__7__7": {
   "value": "-15000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherAdjustmentsForNoncashItems",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__5__8": {
   "value": "101000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseInWorkingCapital",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__6__8": {
   "value": "79000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseInWorkingCapital",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__7__8": {
   "value": "7000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseInWorkingCapital",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__5__9": {
   "value": "126000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInOperations",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__6__9": {
   "value": "135000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInOperations",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__7__9": {
   "value": "918000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInOperations",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__5__10": {
   "value": "46000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__6__10": {
   "value": "99000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__7__10": {
   "value": "817000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__5__13": {
   "value": "-93000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ROC:CashFlowsFromUsedInInvestingActivitiesExcludingCashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__6__13": {
   "value": "-84000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ROC:CashFlowsFromUsedInInvestingActivitiesExcludingCashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__7__13": {
   "value": "-379000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ROC:CashFlowsFromUsedInInvestingActivitiesExcludingCashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__5__14": {
   "value": "0.0",
   "dimensions": {
    "concept": "ROC:CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesAndCashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__6__14": {
   "value": "0.0",
   "dimensions": {
    "concept": "ROC:CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesAndCashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__7__14": {
   "value": "-74000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ROC:CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesAndCashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__5__17": {
   "value": "-47000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ROC:CashFlowsFromUsedInOperatingAndInvestingActivities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__6__17": {
   "value": "15000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ROC:CashFlowsFromUsedInOperatingAndInvestingActivities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__7__17": {
   "value": "364000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ROC:CashFlowsFromUsedInOperatingAndInvestingActivities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__5__20": {
   "value": "115000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__6__20": {
   "value": "-47000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__7__20": {
   "value": "-309000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__5__23": {
   "value": "68000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__6__23": {
   "value": "-32000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__7__23": {
   "value": "55000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__5__24": {
   "value": "402000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__6__24": {
   "value": "353000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__7__24": {
   "value": "353000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__5__25": {
   "value": "28000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__6__25": {
   "value": "-3000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__7__25": {
   "value": "-6000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__5__26": {
   "value": "498000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__6__26": {
   "value": "318000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__7__26": {
   "value": "402000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__5__27": {
   "value": "450000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:UndrawnBorrowingFacilities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__6__27": {
   "value": "600000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:UndrawnBorrowingFacilities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s5__7__27": {
   "value": "600000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:UndrawnBorrowingFacilities",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__3__5": {
   "value": "29000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__4__5": {
   "value": "-162000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__5__5": {
   "value": "182000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ROC:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersRecognisedInEquityMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__6__5": {
   "value": "3038000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__7__5": {
   "value": "-2000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__8__5": {
   "value": "3085000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__9__5": {
   "value": "1000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__10__5": {
   "value": "3086000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__6__6": {
   "value": "116000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__8__6": {
   "value": "116000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__10__6": {
   "value": "116000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__4__7": {
   "value": "35000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__7__7": {
   "value": "-1000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__8__7": {
   "value": "34000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__10__7": {
   "value": "34000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__3__8": {
   "value": "0.0",
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__4__8": {
   "value": "35000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__5__8": {
   "value": "0.0",
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ROC:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersRecognisedInEquityMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__6__8": {
   "value": "116000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__7__8": {
   "value": "-1000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__8__8": {
   "value": "150000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__9__8": {
   "value": "0.0",
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__10__8": {
   "value": "150000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__6__9": {
   "value": "31000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ROC:PurchaseOfTreasurySharesForShareBuyBackProgramme",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__8__9": {
   "value": "31000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ROC:PurchaseOfTreasurySharesForShareBuyBackProgramme",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__10__9": {
   "value": "31000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ROC:PurchaseOfTreasurySharesForShareBuyBackProgramme",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__6__10": {
   "value": "4000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:PurchaseOfTreasuryShares",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__8__10": {
   "value": "4000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:PurchaseOfTreasuryShares",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__10__10": {
   "value": "4000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:PurchaseOfTreasuryShares",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__6__11": {
   "value": "1000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__8__11": {
   "value": "1000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__10__11": {
   "value": "1000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__3__12": {
   "value": "29000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__4__12": {
   "value": "-127000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__5__12": {
   "value": "182000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ROC:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersRecognisedInEquityMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__6__12": {
   "value": "3120000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__7__12": {
   "value": "-3000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__8__12": {
   "value": "3201000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__9__12": {
   "value": "1000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__10__12": {
   "value": "3202000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__3__18": {
   "value": "29000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__4__18": {
   "value": "-171000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__5__18": {
   "value": "125000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ROC:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersRecognisedInEquityMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__6__18": {
   "value": "2824000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__7__18": {
   "value": "-3000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__8__18": {
   "value": "2804000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__9__18": {
   "value": "0.0",
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__10__18": {
   "value": "2804000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__6__19": {
   "value": "116000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__8__19": {
   "value": "116000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__10__19": {
   "value": "116000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__4__20": {
   "value": "-8000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__6__20": {
   "value": "1000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__7__20": {
   "value": "2000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__8__20": {
   "value": "-5000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__10__20": {
   "value": "-5000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__3__21": {
   "value": "0.0",
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__4__21": {
   "value": "-8000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__5__21": {
   "value": "0.0",
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ROC:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersRecognisedInEquityMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__6__21": {
   "value": "117000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__7__21": {
   "value": "2000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__8__21": {
   "value": "111000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__9__21": {
   "value": "0.0",
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__10__21": {
   "value": "111000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__6__22": {
   "value": "31000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ROC:PurchaseOfTreasurySharesForShareBuyBackProgramme",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__8__22": {
   "value": "31000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ROC:PurchaseOfTreasurySharesForShareBuyBackProgramme",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__10__22": {
   "value": "31000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ROC:PurchaseOfTreasurySharesForShareBuyBackProgramme",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__6__23": {
   "value": "3000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:PurchaseOfTreasuryShares",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__8__23": {
   "value": "3000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:PurchaseOfTreasuryShares",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__10__23": {
   "value": "3000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:PurchaseOfTreasuryShares",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-01-01T00:00:00/2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__3__24": {
   "value": "29000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__4__24": {
   "value": "-179000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__5__24": {
   "value": "125000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ROC:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersRecognisedInEquityMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__6__24": {
   "value": "2907000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__7__24": {
   "value": "-1000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfCashFlowHedgesMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__8__24": {
   "value": "2881000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__9__24": {
   "value": "0.0",
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-04-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s6__10__24": {
   "value": "2881000000.0",
   "decimals": -6,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2024-04-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f1__s8__6__25": {
   "value": "ROCKWOOL A/S",
   "dimensions": {
    "concept": "ifrs-full:NameOfReportingEntityOrOtherMeansOfIdentification",
    "language": "en",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00"
   }
  },
  "f1__s8__6__26": {
   "value": "A/S",
   "dimensions": {
    "concept": "ifrs-full:LegalFormOfEntity",
    "language": "en",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00"
   }
  },
  "f1__s8__6__27": {
   "value": "Hovedgaden 584DK-2640 Hedehusene",
   "dimensions": {
    "concept": "ifrs-full:AddressOfRegisteredOfficeOfEntity",
    "language": "en",
    "entity": "scheme:213800QRC7LNX935OZ09",
    "period": "2025-01-01T00:00:00/2025-04-01T00:00:00"
   }
  }
 }
}