{
 "documentInfo": {
  "documentType": "https://xbrl.org/2021/xbrl-json",
  "features": {
   "xbrl:canonicalValues": true
  },
  "namespaces": {
   "grx": "http://greenxmetals.com/xbrl/2022",
   "ifrs-full": "http://xbrl.ifrs.org/taxonomy/2021-03-24/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://greenxmetals.com/xbrl/2022/213800EHCGNYSCN9T108-2022-06-30.xsd"
  ]
 },
 "facts": {
  "Tag137": {
   "value": "Level 9, 28 The Esplanade, Perth WA 6000",
   "dimensions": {
    "concept": "ifrs-full:AddressOfRegisteredOfficeOfEntity",
    "language": "en",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00"
   }
  },
  "Tag138": {
   "value": "GreenX Metals Limited",
   "dimensions": {
    "concept": "ifrs-full:NameOfParentEntity",
    "language": "en",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00"
   }
  },
  "Tag85": {
   "value": "The principal activities of the Group during the financial year consisted of the exploration and evaluation of ARCand the defence of its rights at Debiensko and Jan Karski projects through the Claim.",
   "dimensions": {
    "concept": "ifrs-full:DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities",
    "language": "en",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00"
   }
  },
  "Tag139": {
   "value": "261543",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Revenue",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag156": {
   "value": "297875",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Revenue",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag140": {
   "value": "5773416",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherIncome",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag157": {
   "value": "4711133",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherIncome",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag141": {
   "value": "1643061",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ExpenseArisingFromExplorationForAndEvaluationOfMineralResources",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag158": {
   "value": "824247",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ExpenseArisingFromExplorationForAndEvaluationOfMineralResources",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag142": {
   "value": "350845",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:EmployeeBenefitsExpense",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag159": {
   "value": "326174",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:EmployeeBenefitsExpense",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag143": {
   "value": "467473",
   "decimals": 0,
   "dimensions": {
    "concept": "grx:AdministrationAndCorporateExpenses",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag160": {
   "value": "371366",
   "decimals": 0,
   "dimensions": {
    "concept": "grx:AdministrationAndCorporateExpenses",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag144": {
   "value": "831694",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OccupancyExpense",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag161": {
   "value": "580024",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OccupancyExpense",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag145": {
   "value": "278530",
   "decimals": 0,
   "dimensions": {
    "concept": "grx:BusinessDevelopmentExpenses",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag162": {
   "value": "256380",
   "decimals": 0,
   "dimensions": {
    "concept": "grx:BusinessDevelopmentExpenses",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag148": {
   "value": "-1203339",
   "decimals": 0,
   "dimensions": {
    "concept": "grx:ShareBasedPaymentReversalExpenses",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag163": {
   "value": "548745",
   "decimals": 0,
   "dimensions": {
    "concept": "grx:ShareBasedPaymentReversalExpenses",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag146": {
   "value": "5048785",
   "decimals": 0,
   "dimensions": {
    "concept": "grx:ArbitrationRelatedExpenses",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag164": {
   "value": "4048329",
   "decimals": 0,
   "dimensions": {
    "concept": "grx:ArbitrationRelatedExpenses",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag149": {
   "value": "-127710",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag173": {
   "value": "0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag177": {
   "value": "-3603",
   "decimals": 0,
   "dimensions": {
    "concept": "grx:OtherExpenses",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag178": {
   "value": "30621",
   "decimals": 0,
   "dimensions": {
    "concept": "grx:OtherExpenses",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag176": {
   "value": "-3657455",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossBeforeTax",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag165": {
   "value": "-879388",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossBeforeTax",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag147": {
   "value": "0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IncomeTaxExpenseContinuingOperations",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag174": {
   "value": "0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IncomeTaxExpenseContinuingOperations",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag175": {
   "value": "-3657455",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag166": {
   "value": "-879388",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag155": {
   "value": "-3657455",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossAttributableToOwnersOfParent",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag167": {
   "value": "-879388",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossAttributableToOwnersOfParent",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag154": {
   "value": "-58018",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag168": {
   "value": "-741871",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag153": {
   "value": "-58018",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag169": {
   "value": "-741871",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag152": {
   "value": "-3715473",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag170": {
   "value": "-1621259",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag151": {
   "value": "-3715473",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag171": {
   "value": "-1621259",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag150": {
   "value": "-1.49",
   "decimals": 2,
   "dimensions": {
    "concept": "ifrs-full:BasicEarningsLossPerShare",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD/xbrli:shares"
   }
  },
  "Tag172": {
   "value": "-0.38",
   "decimals": 2,
   "dimensions": {
    "concept": "ifrs-full:BasicEarningsLossPerShare",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD/xbrli:shares"
   }
  },
  "Tag1": {
   "value": "6106847",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag21": {
   "value": "4774968",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag2": {
   "value": "2149578",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:TradeAndOtherCurrentReceivables",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag22": {
   "value": "1329336",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:TradeAndOtherCurrentReceivables",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag3": {
   "value": "8256425",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:CurrentAssets",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag23": {
   "value": "6104304",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:CurrentAssets",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag4": {
   "value": "5745590",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:AssetsArisingFromExplorationForAndEvaluationOfMineralResources",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag24": {
   "value": "0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:AssetsArisingFromExplorationForAndEvaluationOfMineralResources",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag5": {
   "value": "1684496",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:PropertyPlantAndEquipment",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag25": {
   "value": "2009783",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:PropertyPlantAndEquipment",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag6": {
   "value": "7430086",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentAssets",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag26": {
   "value": "2009783",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentAssets",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag7": {
   "value": "15686511",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Assets",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag27": {
   "value": "8114087",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Assets",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag8": {
   "value": "2303588",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:TradeAndOtherCurrentPayables",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag28": {
   "value": "1136567",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:TradeAndOtherCurrentPayables",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag9": {
   "value": "315808",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherCurrentFinancialLiabilities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag29": {
   "value": "808601",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherCurrentFinancialLiabilities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag10": {
   "value": "433482",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:CurrentProvisions",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag30": {
   "value": "100838",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:CurrentProvisions",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag11": {
   "value": "3052878",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:CurrentLiabilities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag31": {
   "value": "2046006",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:CurrentLiabilities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag12": {
   "value": "538266",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherNoncurrentFinancialLiabilities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag32": {
   "value": "0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherNoncurrentFinancialLiabilities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag13": {
   "value": "282951",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentProvisions",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag33": {
   "value": "383968",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentProvisions",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag14": {
   "value": "821217",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentLiabilities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag34": {
   "value": "383968",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentLiabilities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag15": {
   "value": "3874095",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Liabilities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag35": {
   "value": "2429974",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Liabilities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag16": {
   "value": "11812416",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:NetAssetsLiabilities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag36": {
   "value": "5684113",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:NetAssetsLiabilities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag17": {
   "value": "78410052",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IssuedCapital",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag37": {
   "value": "79332108",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IssuedCapital",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag18": {
   "value": "11053723",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherReserves",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag38": {
   "value": "345909",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherReserves",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag20": {
   "value": "-77651359",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:RetainedEarnings",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag39": {
   "value": "-73993904",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:RetainedEarnings",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag19": {
   "value": "11812416",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag40": {
   "value": "5684113",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag109": {
   "value": "79332108",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag110": {
   "value": "345909",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag111": {
   "value": "-73993904",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag112": {
   "value": "5684113",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag108": {
   "value": "-3657455",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag107": {
   "value": "-3657455",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag106": {
   "value": "-58018",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag105": {
   "value": "-58018",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag104": {
   "value": "-58018",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag103": {
   "value": "-3657455",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag102": {
   "value": "-3715473",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag91": {
   "value": "5407594",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IssueOfEquity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag87": {
   "value": "5407594",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IssueOfEquity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag92": {
   "value": "122157",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ShareIssueRelatedCost",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag88": {
   "value": "122157",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ShareIssueRelatedCost",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag94": {
   "value": "3355000",
   "decimals": 0,
   "dimensions": {
    "concept": "grx:IncreaseDecreaseThroughIssueOfArcticRiftCopperProjectConsiderationPerformanceRights",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfSharebasedPaymentsMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag89": {
   "value": "3355000",
   "decimals": 0,
   "dimensions": {
    "concept": "grx:IncreaseDecreaseThroughIssueOfArcticRiftCopperProjectConsiderationPerformanceRights",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag95": {
   "value": "1203339",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfSharebasedPaymentsMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag90": {
   "value": "1203339",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag101": {
   "value": "-6207493",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag98": {
   "value": "6207493",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherEquityInterestMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag93": {
   "value": "78410052",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag96": {
   "value": "4558339",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfSharebasedPaymentsMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag97": {
   "value": "287891",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag99": {
   "value": "6207493",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherEquityInterestMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag100": {
   "value": "-77651359",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag86": {
   "value": "11812416",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag132": {
   "value": "75476543",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag133": {
   "value": "548745",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfSharebasedPaymentsMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag134": {
   "value": "1087780",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag135": {
   "value": "-73114516",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag136": {
   "value": "3998552",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag113": {
   "value": "-879388",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag114": {
   "value": "-879388",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag115": {
   "value": "-741871",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag116": {
   "value": "-741871",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag117": {
   "value": "-741871",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag118": {
   "value": "-879388",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag119": {
   "value": "-1621259",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag120": {
   "value": "4020000",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IssueOfEquity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag121": {
   "value": "4020000",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IssueOfEquity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag122": {
   "value": "164435",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ShareIssueRelatedCost",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag123": {
   "value": "164435",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ShareIssueRelatedCost",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag124": {
   "value": "-661876",
   "decimals": 0,
   "dimensions": {
    "concept": "grx:IncreaseDecreaseThroughLapseOfUnvestedPerformanceRights",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfSharebasedPaymentsMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag125": {
   "value": "-661876",
   "decimals": 0,
   "dimensions": {
    "concept": "grx:IncreaseDecreaseThroughLapseOfUnvestedPerformanceRights",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag126": {
   "value": "113131",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfSharebasedPaymentsMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag127": {
   "value": "113131",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag128": {
   "value": "79332108",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag129": {
   "value": "345909",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag130": {
   "value": "-73993904",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:AUD"
   }
  },
  "Tag131": {
   "value": "5684113",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag41": {
   "value": "2630749",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:PaymentsToSuppliersForGoodsAndServicesAndToAndOnBehalfOfEmployees",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag59": {
   "value": "2542673",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:PaymentsToSuppliersForGoodsAndServicesAndToAndOnBehalfOfEmployees",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag42": {
   "value": "236225",
   "decimals": 0,
   "dimensions": {
    "concept": "grx:ProceedsFromPropertyAndGasSales",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag60": {
   "value": "274672",
   "decimals": 0,
   "dimensions": {
    "concept": "grx:ProceedsFromPropertyAndGasSales",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag43": {
   "value": "23218",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:InterestReceivedClassifiedAsOperatingActivities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag61": {
   "value": "23592",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:InterestReceivedClassifiedAsOperatingActivities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag50": {
   "value": "-2371306",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag62": {
   "value": "-2244409",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag44": {
   "value": "900538",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag63": {
   "value": "2310",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag45": {
   "value": "1825058",
   "decimals": 0,
   "dimensions": {
    "concept": "grx:PaymentsForArbitrationRelatedExpenses",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag64": {
   "value": "1640646",
   "decimals": 0,
   "dimensions": {
    "concept": "grx:PaymentsForArbitrationRelatedExpenses",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag46": {
   "value": "1848742",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag65": {
   "value": "0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag47": {
   "value": "0",
   "decimals": 0,
   "dimensions": {
    "concept": "grx:ProceedsFromAdvancedDepositsAndSaleOfLandRights",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag66": {
   "value": "1288105",
   "decimals": 0,
   "dimensions": {
    "concept": "grx:ProceedsFromAdvancedDepositsAndSaleOfLandRights",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag48": {
   "value": "1165427",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:PaymentsForExplorationAndEvaluationExpenses",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag67": {
   "value": "0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:PaymentsForExplorationAndEvaluationExpenses",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag49": {
   "value": "0",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag68": {
   "value": "17215",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag51": {
   "value": "-2042281",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag69": {
   "value": "-337636",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag52": {
   "value": "4492594",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProceedsFromIssueOfOrdinaryShares",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag70": {
   "value": "4020000",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:ProceedsFromIssueOfOrdinaryShares",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag53": {
   "value": "122157",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:PaymentsForShareIssueCosts",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag71": {
   "value": "164435",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:PaymentsForShareIssueCosts",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag54": {
   "value": "1732734",
   "decimals": 0,
   "dimensions": {
    "concept": "grx:ReceiptsFromArbitrationFunding",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag72": {
   "value": "1102962",
   "decimals": 0,
   "dimensions": {
    "concept": "grx:ReceiptsFromArbitrationFunding",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag55": {
   "value": "357705",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag73": {
   "value": "168032",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag56": {
   "value": "5745466",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag74": {
   "value": "4790495",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag57": {
   "value": "1331879",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseInCashAndCashEquivalents",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag75": {
   "value": "2208450",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseInCashAndCashEquivalents",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00/2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag76": {
   "value": "4774968",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag78": {
   "value": "2566518",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2020-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag58": {
   "value": "6106847",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2022-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag77": {
   "value": "4774968",
   "decimals": 0,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00",
    "unit": "iso4217:AUD"
   }
  },
  "Tag82": {
   "value": "GreenX Metals Limited",
   "dimensions": {
    "concept": "ifrs-full:NameOfReportingEntityOrOtherMeansOfIdentification",
    "language": "en",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00"
   }
  },
  "Tag83": {
   "value": "limited by shares",
   "dimensions": {
    "concept": "ifrs-full:LegalFormOfEntity",
    "language": "en",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00"
   }
  },
  "Tag84": {
   "value": "Australia",
   "dimensions": {
    "concept": "ifrs-full:DomicileOfEntity",
    "language": "en",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00"
   }
  },
  "Tag79": {
   "value": "Australia",
   "dimensions": {
    "concept": "ifrs-full:CountryOfIncorporation",
    "language": "en",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00"
   }
  },
  "Tag80": {
   "value": "Australia",
   "dimensions": {
    "concept": "ifrs-full:PrincipalPlaceOfBusiness",
    "language": "en",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00"
   }
  },
  "Tag81": {
   "value": "GreenX Metals Limited",
   "dimensions": {
    "concept": "ifrs-full:NameOfUltimateParentOfGroup",
    "language": "en",
    "entity": "scheme:213800EHCGNYSCN9T108",
    "period": "2021-07-01T00:00:00/2022-07-01T00:00:00"
   }
  }
 }
}