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    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:549300P50MFNOHG4U221",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f28763": {
   "value": "90408000.0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:549300P50MFNOHG4U221",
    "period": "2020-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "f64534": {
   "value": "CENERGY HOLDINGS",
   "dimensions": {
    "concept": "ifrs-full:NameOfReportingEntityOrOtherMeansOfIdentification",
    "language": "en",
    "entity": "scheme:549300P50MFNOHG4U221",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00"
   }
  },
  "f64535": {
   "value": "BRUSSELS",
   "dimensions": {
    "concept": "ifrs-full:DomicileOfEntity",
    "language": "en",
    "entity": "scheme:549300P50MFNOHG4U221",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00"
   }
  },
  "f64536": {
   "value": "SA",
   "dimensions": {
    "concept": "ifrs-full:LegalFormOfEntity",
    "language": "en",
    "entity": "scheme:549300P50MFNOHG4U221",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00"
   }
  },
  "f64537": {
   "value": "BELGIUM",
   "dimensions": {
    "concept": "ifrs-full:CountryOfIncorporation",
    "language": "en",
    "entity": "scheme:549300P50MFNOHG4U221",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00"
   }
  },
  "f64538": {
   "value": "AVENUE MARNIX 30, BRUSSELS",
   "dimensions": {
    "concept": "ifrs-full:AddressOfRegisteredOfficeOfEntity",
    "language": "en",
    "entity": "scheme:549300P50MFNOHG4U221",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00"
   }
  },
  "f64539": {
   "value": "BELGIUM",
   "dimensions": {
    "concept": "ifrs-full:PrincipalPlaceOfBusiness",
    "language": "en",
    "entity": "scheme:549300P50MFNOHG4U221",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00"
   }
  },
  "f64540": {
   "value": "ACTIVITIES OF HOLDING COMPANIES",
   "dimensions": {
    "concept": "ifrs-full:DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities",
    "language": "en",
    "entity": "scheme:549300P50MFNOHG4U221",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00"
   }
  },
  "f64541": {
   "value": "VIOHALCO",
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    "concept": "ifrs-full:NameOfParentEntity",
    "language": "en",
    "entity": "scheme:549300P50MFNOHG4U221",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00"
   }
  },
  "f64542": {
   "value": "VIOHALCO",
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    "concept": "ifrs-full:NameOfUltimateParentOfGroup",
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    "entity": "scheme:549300P50MFNOHG4U221",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00"
   }
  },
  "f64543": {
   "value": "N/A",
   "dimensions": {
    "concept": "ifrs-full:ExplanationOfChangeInNameOfReportingEntityOrOtherMeansOfIdentificationFromEndOfPrecedingReportingPeriod",
    "language": "en",
    "entity": "scheme:549300P50MFNOHG4U221",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00"
   }
  }
 }
}