{ "instance": { "d358580d40f.htm d358580dex993.htm": { "axisCustom": 8, "axisStandard": 20, "baseTaxonomies": { "http://xbrl.sec.gov/dei/2022": 40, "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full": 708 }, "contextCount": 438, "dts": { "calculationLink": { "local": [ "nxe-20221231_cal.xml" ] }, "definitionLink": { "local": [ "nxe-20221231_def.xml" ] }, "inline": { "local": [ "d358580d40f.htm", "d358580dex993.htm" ] }, "labelLink": { "local": [ "nxe-20221231_lab.xml" ] }, "presentationLink": { "local": [ "nxe-20221231_pre.xml" ] }, "schema": { "local": [ "nxe-20221231.xsd" ], "remote": [ "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd", "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd", "http://www.xbrl.org/2003/xl-2003-12-31.xsd", "http://www.xbrl.org/2003/xlink-2003-12-31.xsd", "http://www.xbrl.org/2005/xbrldt-2005.xsd", "http://www.xbrl.org/2006/ref-2006-02-27.xsd", "http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd", "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd", "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd", "https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd", "https://xbrl.fasb.org/srt/2022/elts/srt-roles-2022.xsd", "https://xbrl.fasb.org/srt/2022/elts/srt-types-2022.xsd", "https://xbrl.fasb.org/us-gaap/2022/elts/us-types-2022.xsd", "https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd", "https://xbrl.sec.gov/country/2022/country-2022.xsd", "https://xbrl.sec.gov/currency/2022/currency-2022.xsd", "https://xbrl.sec.gov/dei/2022/dei-2022.xsd", "https://xbrl.sec.gov/exch/2022/exch-2022.xsd", "https://xbrl.sec.gov/naics/2022/naics-2022.xsd", "https://xbrl.sec.gov/sic/2022/sic-2022.xsd", "https://xbrl.sec.gov/stpr/2022/stpr-2022.xsd" ] } }, "elementCount": 642, "entityCount": 1, "hidden": { "http://xbrl.sec.gov/dei/2022": 4, "total": 4 }, "keyCustom": 155, "keyStandard": 204, "memberCustom": 90, "memberStandard": 27, "nsprefix": "nxe", "nsuri": "http://www.nexgenenergy.ca/20221231", "report": { "R1": { "firstAnchor": { "ancestors": [ "div", "div", "div", "div", "div", "div", "body", "html" ], "baseRef": "d358580d40f.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "true", "longName": "1001 - Document - Cover", "menuCat": "Cover", "order": "1", "role": "http://www.nexgenenergy.ca/role/Cover", "shortName": "Cover", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "div", "div", "div", "body", "html" ], "baseRef": "d358580d40f.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R10": { "firstAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:DisclosureOfMarketableSecuritiesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1010 - Disclosure - MARKETABLE SECURITIES", "menuCat": "Notes", "order": "10", "role": "http://www.nexgenenergy.ca/role/MarketableSecurities", "shortName": "MARKETABLE SECURITIES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:DisclosureOfMarketableSecuritiesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R11": { "firstAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfExplorationAndEvaluationAssetsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1011 - Disclosure - EXPLORATION AND EVALUATION ASSETS", "menuCat": "Notes", "order": "11", "role": "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssets", "shortName": "EXPLORATION AND EVALUATION ASSETS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfExplorationAndEvaluationAssetsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R12": { "firstAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1012 - Disclosure - PROPERTY AND EQUIPMENT", "menuCat": "Notes", "order": "12", "role": "http://www.nexgenenergy.ca/role/PropertyAndEquipment", "shortName": "PROPERTY AND EQUIPMENT", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R13": { "firstAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:DisclosureOfFlowthroughSharePremiumLiabilityExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1013 - Disclosure - FLOW-THROUGH SHARE PREMIUM LIABILITY", "menuCat": "Notes", "order": "13", "role": "http://www.nexgenenergy.ca/role/FlowThroughSharePremiumLiability", "shortName": "FLOW-THROUGH SHARE PREMIUM LIABILITY", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:DisclosureOfFlowthroughSharePremiumLiabilityExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R14": { "firstAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:DisclosureOfConvertibleDebenturesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1014 - Disclosure - CONVERTIBLE DEBENTURES", "menuCat": "Notes", "order": "14", "role": "http://www.nexgenenergy.ca/role/ConvertibleDebentures", "shortName": "CONVERTIBLE DEBENTURES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:DisclosureOfConvertibleDebenturesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R15": { "firstAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfLeasesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1015 - Disclosure - LEASES", "menuCat": "Notes", "order": "15", "role": "http://www.nexgenenergy.ca/role/Leases", "shortName": "LEASES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfLeasesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R16": { "firstAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1016 - Disclosure - SHARE CAPITAL", "menuCat": "Notes", "order": "16", "role": "http://www.nexgenenergy.ca/role/ShareCapital", "shortName": "SHARE CAPITAL", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R17": { "firstAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfCashFlowStatementExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1017 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION", "menuCat": "Notes", "order": "17", "role": "http://www.nexgenenergy.ca/role/SupplementalCashFlowInformation", "shortName": "SUPPLEMENTAL CASH FLOW INFORMATION", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfCashFlowStatementExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R18": { "firstAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfRelatedPartyExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1018 - Disclosure - RELATED PARTY TRANSACTIONS", "menuCat": "Notes", "order": "18", "role": "http://www.nexgenenergy.ca/role/RelatedPartyTransactions", "shortName": "RELATED PARTY TRANSACTIONS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfRelatedPartyExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R19": { "firstAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1019 - Disclosure - CAPITAL MANAGEMENT", "menuCat": "Notes", "order": "19", "role": "http://www.nexgenenergy.ca/role/CapitalManagement", "shortName": "CAPITAL MANAGEMENT", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R2": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:Cash", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1002 - Statement - Consolidated Statements of Financial Position", "menuCat": "Statements", "order": "2", "role": "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition", "shortName": "Consolidated Statements of Financial Position", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022", "decimals": "-3", "lang": null, "name": "ifrs-full:CurrentPrepaidExpenses", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R20": { "firstAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfFairValueOfFinancialInstrumentsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1020 - Disclosure - FINANCIAL INSTRUMENTS AND RISK MANAGEMENT", "menuCat": "Notes", "order": "20", "role": "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagement", "shortName": "FINANCIAL INSTRUMENTS AND RISK MANAGEMENT", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfFairValueOfFinancialInstrumentsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R21": { "firstAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfNoncontrollingInterestsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1021 - Disclosure - NON-CONTROLLING INTERESTS", "menuCat": "Notes", "order": "21", "role": "http://www.nexgenenergy.ca/role/NonControllingInterests", "shortName": "NON-CONTROLLING INTERESTS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfNoncontrollingInterestsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R22": { "firstAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfIncomeTaxExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1022 - Disclosure - INCOME TAXES", "menuCat": "Notes", "order": "22", "role": "http://www.nexgenenergy.ca/role/IncomeTaxes", "shortName": "INCOME TAXES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfIncomeTaxExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R23": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1023 - Disclosure - SEGMENT INFORMATION", "menuCat": "Notes", "order": "23", "role": "http://www.nexgenenergy.ca/role/SegmentInformation", "shortName": "SEGMENT INFORMATION", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R24": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:SubsequentEvents", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1024 - Disclosure - SUBSEQUENT EVENTS", "menuCat": "Notes", "order": "24", "role": "http://www.nexgenenergy.ca/role/SubsequentEvents", "shortName": "SUBSEQUENT EVENTS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:SubsequentEvents", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R25": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1025 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Policies)", "menuCat": "Policies", "order": "25", "role": "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesPolicies", "shortName": "SIGNIFICANT ACCOUNTING POLICIES (Policies)", "subGroupType": "policies", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R26": { "firstAnchor": { "ancestors": [ "div", "ix:continuation", "ifrs-full:DescriptionOfAccountingPolicyForSubsidiariesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1026 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Tables)", "menuCat": "Tables", "order": "26", "role": "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesTables", "shortName": "SIGNIFICANT ACCOUNTING POLICIES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "ix:continuation", "ifrs-full:DescriptionOfAccountingPolicyForSubsidiariesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R27": { "firstAnchor": { "ancestors": [ "nxe:DisclosureOfMarketableSecuritiesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022_CloverGeminiAndTowerUraniumPropertiesMemberifrsfullTypesOfInvestmentPropertyAxis", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:DisclosureOfDetailedInformationAboutDisposalOfMarketableSecuritiesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1027 - Disclosure - MARKETABLE SECURITIES (Tables)", "menuCat": "Tables", "order": "27", "role": "http://www.nexgenenergy.ca/role/MarketableSecuritiesTables", "shortName": "MARKETABLE SECURITIES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "nxe:DisclosureOfMarketableSecuritiesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022_CloverGeminiAndTowerUraniumPropertiesMemberifrsfullTypesOfInvestmentPropertyAxis", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:DisclosureOfDetailedInformationAboutDisposalOfMarketableSecuritiesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R28": { "firstAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:DisclosureOfDetailedInformationAboutExplorationAndEvaluationAssetsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1028 - Disclosure - EXPLORATION AND EVALUATION ASSETS (Tables)", "menuCat": "Tables", "order": "28", "role": "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsTables", "shortName": "EXPLORATION AND EVALUATION ASSETS (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:DisclosureOfDetailedInformationAboutExplorationAndEvaluationAssetsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R29": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1029 - Disclosure - PROPERTY AND EQUIPMENT (Tables)", "menuCat": "Tables", "order": "29", "role": "http://www.nexgenenergy.ca/role/PropertyAndEquipmentTables", "shortName": "PROPERTY AND EQUIPMENT (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R3": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:WagesAndSalaries", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1003 - Statement - Consolidated Statements of Net Loss and Comprehensive Loss", "menuCat": "Statements", "order": "3", "role": "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss", "shortName": "Consolidated Statements of Net Loss and Comprehensive Loss", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:WagesAndSalaries", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R30": { "firstAnchor": { "ancestors": [ "nxe:DisclosureOfFlowthroughSharePremiumLiabilityExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:DisclosureOfDetailedInformationAboutFlowthroughSharePremiumLiabilityExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1030 - Disclosure - FLOW-THROUGH SHARE PREMIUM LIABILITY (Tables)", "menuCat": "Tables", "order": "30", "role": "http://www.nexgenenergy.ca/role/FlowThroughSharePremiumLiabilityTables", "shortName": "FLOW-THROUGH SHARE PREMIUM LIABILITY (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "nxe:DisclosureOfFlowthroughSharePremiumLiabilityExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:DisclosureOfDetailedInformationAboutFlowthroughSharePremiumLiabilityExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R31": { "firstAnchor": { "ancestors": [ "nxe:DisclosureOfConvertibleDebenturesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:DisclosureOfDetailedInformationAboutConvertibleDebenturesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1031 - Disclosure - CONVERTIBLE DEBENTURES (Tables)", "menuCat": "Tables", "order": "31", "role": "http://www.nexgenenergy.ca/role/ConvertibleDebenturesTables", "shortName": "CONVERTIBLE DEBENTURES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "nxe:DisclosureOfConvertibleDebenturesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:DisclosureOfDetailedInformationAboutConvertibleDebenturesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R32": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfLeasesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1032 - Disclosure - LEASES (Tables)", "menuCat": "Tables", "order": "32", "role": "http://www.nexgenenergy.ca/role/LeasesTables", "shortName": "LEASES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfLeasesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R33": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1033 - Disclosure - SHARE CAPITAL - (Tables)", "menuCat": "Tables", "order": "33", "role": "http://www.nexgenenergy.ca/role/ShareCapitalTables", "shortName": "SHARE CAPITAL - (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R34": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfCashFlowStatementExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:SummaryOfDetailedInformationAboutNonCashInvestingAndFinancingActivities", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1034 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION (Tables)", "menuCat": "Tables", "order": "34", "role": "http://www.nexgenenergy.ca/role/SupplementalCashFlowInformationTables", "shortName": "SUPPLEMENTAL CASH FLOW INFORMATION (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfCashFlowStatementExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:SummaryOfDetailedInformationAboutNonCashInvestingAndFinancingActivities", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R35": { "firstAnchor": { "ancestors": [ "div", "div", "ifrs-full:DisclosureOfRelatedPartyExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfInformationAboutKeyManagementPersonnelExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1035 - Disclosure - RELATED PARTY TRANSACTIONS (Tables)", "menuCat": "Tables", "order": "35", "role": "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsTables", "shortName": "RELATED PARTY TRANSACTIONS (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "div", "ifrs-full:DisclosureOfRelatedPartyExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfInformationAboutKeyManagementPersonnelExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R36": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:DisclosureOfDetailedInformationAboutManagementCapitalExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1036 - Disclosure - CAPITAL MANAGEMENT (Tables)", "menuCat": "Tables", "order": "36", "role": "http://www.nexgenenergy.ca/role/CapitalManagementTables", "shortName": "CAPITAL MANAGEMENT (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:DisclosureOfDetailedInformationAboutManagementCapitalExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R37": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:SummaryOfMaximumExposureToCreditRiskTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1037 - Disclosure - FINANCIAL INSTRUMENTS AND RISK MANAGEMENT (Tables)", "menuCat": "Tables", "order": "37", "role": "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementTables", "shortName": "FINANCIAL INSTRUMENTS AND RISK MANAGEMENT (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:SummaryOfMaximumExposureToCreditRiskTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R38": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfNoncontrollingInterestsExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:DisclosureOfSummarizedFinancialInformationForSubsidiariesWithMaterialNonControllingInterestsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1038 - Disclosure - NON-CONTROLLING INTERESTS (Tables)", "menuCat": "Tables", "order": "38", "role": "http://www.nexgenenergy.ca/role/NonControllingInterestsTables", "shortName": "NON-CONTROLLING INTERESTS (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfNoncontrollingInterestsExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:DisclosureOfSummarizedFinancialInformationForSubsidiariesWithMaterialNonControllingInterestsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R39": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfDeferredTaxesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1039 - Disclosure - INCOME TAXES (Tables)", "menuCat": "Tables", "order": "39", "role": "http://www.nexgenenergy.ca/role/IncomeTaxesTables", "shortName": "INCOME TAXES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfDeferredTaxesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R4": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:ProfitLoss", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1004 - Statement - Consolidated Statements of Cash Flows", "menuCat": "Statements", "order": "4", "role": "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows", "shortName": "Consolidated Statements of Cash Flows", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "-3", "lang": null, "name": "ifrs-full:AdjustmentsForDepreciationAndAmortisationExpense", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R40": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "ix:continuation", "ix:continuation", "ifrs-full:DescriptionOfAccountingPolicyForSubsidiariesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022_IsoenergyLtdMemberifrsfullSignificantInvestmentsInSubsidiariesAxis", "decimals": "INF", "first": true, "lang": null, "name": "ifrs-full:ProportionOfOwnershipInterestInSubsidiary", "reportCount": 1, "unitRef": "Unit_pure", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1040 - Disclosure - Reporting Entity - Additional Information (Detail)", "menuCat": "Details", "order": "40", "role": "http://www.nexgenenergy.ca/role/ReportingEntityAdditionalInformationDetail", "shortName": "Reporting Entity - Additional Information (Detail)", "subGroupType": "details", "uniqueAnchor": null }, "R41": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:RetainedEarnings", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1041 - Disclosure - Nature of Operations - Additional Information (Detail)", "menuCat": "Details", "order": "41", "role": "http://www.nexgenenergy.ca/role/NatureOfOperationsAdditionalInformationDetail", "shortName": "Nature of Operations - Additional Information (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "nxe:DisclosureOfNatureOfOperationsExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022", "decimals": "-3", "lang": null, "name": "nxe:WorkingCapital", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R42": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "ix:continuation", "ix:continuation", "ifrs-full:DescriptionOfAccountingPolicyForSubsidiariesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022_NXEEnergyRoyaltyLtdMemberifrsfullSignificantInvestmentsInSubsidiariesAxis", "decimals": "INF", "first": true, "lang": null, "name": "ifrs-full:ProportionOfOwnershipInterestInSubsidiary", "reportCount": 1, "unique": true, "unitRef": "Unit_pure", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1042 - Disclosure - Significant Accounting Policies - Summary of Company's Ownership Percentage in Each of Its Subsidiaries (Detail)", "menuCat": "Details", "order": "42", "role": "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfCompanysOwnershipPercentageInEachOfItsSubsidiariesDetail", "shortName": "Significant Accounting Policies - Summary of Company's Ownership Percentage in Each of Its Subsidiaries (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "ix:continuation", "ix:continuation", "ifrs-full:DescriptionOfAccountingPolicyForSubsidiariesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022_NXEEnergyRoyaltyLtdMemberifrsfullSignificantInvestmentsInSubsidiariesAxis", "decimals": "INF", "first": true, "lang": null, "name": "ifrs-full:ProportionOfOwnershipInterestInSubsidiary", "reportCount": 1, "unique": true, "unitRef": "Unit_pure", "xsiNil": "false" } }, "R43": { "firstAnchor": { "ancestors": [ "div", "nxe:DescriptionOfAccountingPolicyForFlowThroughSharesExplanatory", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:FlowThroughSharesExpendedOnPropertyExplorationPeriod", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1043 - Disclosure - Significant Accounting Policies - Additional Information (Detail)", "menuCat": "Details", "order": "43", "role": "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesAdditionalInformationDetail", "shortName": "Significant Accounting Policies - Additional Information (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "nxe:DescriptionOfAccountingPolicyForFlowThroughSharesExplanatory", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:FlowThroughSharesExpendedOnPropertyExplorationPeriod", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R44": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022_RightofuseAssetsMemberifrsfullClassesOfAssetsAxis", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:EstimatedUsefulLivesOrDepreciationRates", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1044 - Disclosure - Significant Accounting Policies - Summary of Depreciation Over the Estimated Useful Lives of Each Significant Component (Detail)", "menuCat": "Details", "order": "44", "role": "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfDepreciationOverTheEstimatedUsefulLivesOfEachSignificantComponentDetail", "shortName": "Significant Accounting Policies - Summary of Depreciation Over the Estimated Useful Lives of Each Significant Component (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022_RightofuseAssetsMemberifrsfullClassesOfAssetsAxis", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:EstimatedUsefulLivesOrDepreciationRates", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R45": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "ifrs-full:DisclosureOfFinancialInstrumentsExplanatory", "ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022_FinancialAssetsAtAmortisedCostCategoryMemberifrsfullCategoriesOfFinancialAssetsAxis", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:InformationOnHowEntityAppliedClassificationRequirementsInIFRS9ToFinancialAssetsWhoseClassificationHasChangedAsResultOfApplyingIFRS9", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1045 - Disclosure - Significant Accounting Policies - Schedule Of Accounting Policy For Financial Instruments (Detail)", "menuCat": "Details", "order": "45", "role": "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesScheduleOfAccountingPolicyForFinancialInstrumentsDetail", "shortName": "Significant Accounting Policies - Schedule Of Accounting Policy For Financial Instruments (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "ifrs-full:DisclosureOfFinancialInstrumentsExplanatory", "ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022_FinancialAssetsAtAmortisedCostCategoryMemberifrsfullCategoriesOfFinancialAssetsAxis", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:InformationOnHowEntityAppliedClassificationRequirementsInIFRS9ToFinancialAssetsWhoseClassificationHasChangedAsResultOfApplyingIFRS9", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R46": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1046 - Disclosure - Marketable Securities - Summary of Detailed Information about Disposal of Marketable Securities (Detail)", "menuCat": "Details", "order": "46", "role": "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesDetail", "shortName": "Marketable Securities - Summary of Detailed Information about Disposal of Marketable Securities (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "nxe:DisclosureOfDetailedInformationAboutDisposalOfMarketableSecuritiesExplanatory", "nxe:DisclosureOfMarketableSecuritiesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2021To12_31_2021_CloverGeminiAndTowerUraniumPropertiesMemberifrsfullTypesOfInvestmentPropertyAxis", "decimals": "-3", "lang": null, "name": "nxe:MarketableSecuritiesReceived", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R47": { "firstAnchor": { "ancestors": [ "div", "nxe:DisclosureOfDetailedInformationAboutDisposalOfMarketableSecuritiesExplanatory", "nxe:DisclosureOfMarketableSecuritiesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2021To12_31_2021_CloverGeminiAndTowerUraniumPropertiesMemberifrsfullTypesOfInvestmentPropertyAxis", "decimals": "-3", "first": true, "lang": null, "name": "nxe:CostOfDispositionProperties", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1047 - Disclosure - Marketable Securities - Summary of Detailed Information about Disposal of Marketable Securities (Parenthetical) (Detail)", "menuCat": "Details", "order": "47", "role": "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesParentheticalDetail", "shortName": "Marketable Securities - Summary of Detailed Information about Disposal of Marketable Securities (Parenthetical) (Detail)", "subGroupType": "parenthetical", "uniqueAnchor": { "ancestors": [ "div", "nxe:DisclosureOfDetailedInformationAboutDisposalOfMarketableSecuritiesExplanatory", "nxe:DisclosureOfMarketableSecuritiesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2021To12_31_2021_CloverGeminiAndTowerUraniumPropertiesMemberifrsfullTypesOfInvestmentPropertyAxis", "decimals": "-3", "lang": null, "name": "ifrs-full:GainsLossesOnAvailableforsaleFinancialAssets", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R48": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1048 - Disclosure - Marketable Securities - Additional Information (Detail)", "menuCat": "Details", "order": "48", "role": "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail", "shortName": "Marketable Securities - Additional Information (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "nxe:DisclosureOfMarketableSecuritiesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn08_31_2021", "decimals": "2", "lang": null, "name": "nxe:SaleOfStockReceivedPricePerShare", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD_per_Share", "xsiNil": "false" } }, "R49": { "firstAnchor": { "ancestors": [ "div", "div", "ifrs-full:DisclosureOfExplorationAndEvaluationAssetsExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "2", "first": true, "lang": null, "name": "nxe:OwnershipPercentageOfMineralProperty", "reportCount": 1, "unique": true, "unitRef": "Unit_pure", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1049 - Disclosure - Exploration and Evaluation Assets - Additional Information (Detail)", "menuCat": "Details", "order": "49", "role": "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail", "shortName": "Exploration and Evaluation Assets - Additional Information (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "div", "ifrs-full:DisclosureOfExplorationAndEvaluationAssetsExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "2", "first": true, "lang": null, "name": "nxe:OwnershipPercentageOfMineralProperty", "reportCount": 1, "unique": true, "unitRef": "Unit_pure", "xsiNil": "false" } }, "R5": { "firstAnchor": { "ancestors": [ "div", "div", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2020", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:Equity", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1005 - Statement - Consolidated Statements of Changes in Equity", "menuCat": "Statements", "order": "5", "role": "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity", "shortName": "Consolidated Statements of Changes in Equity", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2020_IssuedCapitalMemberifrsfullComponentsOfEquityAxis", "decimals": "-3", "lang": null, "name": "ifrs-full:Equity", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R50": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2021", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:AssetsArisingFromExplorationForAndEvaluationOfMineralResources", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1050 - Disclosure - Exploration and Evaluation Assets - Summary of Capitalized Costs on Projects (Detail)", "menuCat": "Details", "order": "50", "role": "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail", "shortName": "Exploration and Evaluation Assets - Summary of Capitalized Costs on Projects (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "ix:continuation", "nxe:DisclosureOfDetailedInformationAboutExplorationAndEvaluationAssetsExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2020_AcquisitionCostsMembernxeMineralPropertyCostsAxis", "decimals": "-3", "lang": null, "name": "ifrs-full:AssetsArisingFromExplorationForAndEvaluationOfMineralResources", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R51": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2021", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:PropertyPlantAndEquipment", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1051 - Disclosure - Property and Equipment - Summary of Detailed Information about Property, Plant and Equipment (Detail)", "menuCat": "Details", "order": "51", "role": "http://www.nexgenenergy.ca/role/PropertyAndEquipmentSummaryOfDetailedInformationAboutPropertyPlantAndEquipmentDetail", "shortName": "Property and Equipment - Summary of Detailed Information about Property, Plant and Equipment (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory", "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2020_AtCostMemberifrsfullCarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis", "decimals": "-3", "lang": null, "name": "ifrs-full:PropertyPlantAndEquipment", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R52": { "firstAnchor": { "ancestors": [ "div", "nxe:DisclosureOfFlowthroughSharePremiumLiabilityExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022_IsoenergyLtdMemberifrsfullSignificantInvestmentsInSubsidiariesAxis", "decimals": "-3", "first": true, "lang": null, "name": "nxe:RequiredExplorationExpenditures", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1052 - Disclosure - Flow-through share premium liability - Additional Information (Detail)", "menuCat": "Details", "order": "52", "role": "http://www.nexgenenergy.ca/role/FlowThroughSharePremiumLiabilityAdditionalInformationDetail", "shortName": "Flow-through share premium liability - Additional Information (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "nxe:DisclosureOfFlowthroughSharePremiumLiabilityExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022_IsoenergyLtdMemberifrsfullSignificantInvestmentsInSubsidiariesAxis", "decimals": "-3", "first": true, "lang": null, "name": "nxe:RequiredExplorationExpenditures", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R53": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2021", "decimals": "-3", "first": true, "lang": null, "name": "nxe:FlowThroughSharePremiumLiability", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1053 - Disclosure - Flow-through share premium liability - Summary of Continuity of the Flow-through Share Premium Liability (Detail)", "menuCat": "Details", "order": "53", "role": "http://www.nexgenenergy.ca/role/FlowThroughSharePremiumLiabilitySummaryOfContinuityOfTheFlowThroughSharePremiumLiabilityDetail", "shortName": "Flow-through share premium liability - Summary of Continuity of the Flow-through Share Premium Liability (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "nxe:DisclosureOfDetailedInformationAboutFlowthroughSharePremiumLiabilityExplanatory", "nxe:DisclosureOfFlowthroughSharePremiumLiabilityExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2020", "decimals": "-3", "lang": null, "name": "nxe:FlowThroughSharePremiumLiability", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R54": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "nxe:DisclosureOfDetailedInformationAboutConvertibleDebenturesExplanatory", "nxe:DisclosureOfConvertibleDebenturesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2021", "decimals": "-3", "first": true, "lang": null, "name": "nxe:ConvertibleDebentures", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1054 - Disclosure - Convertible Debentures - Summary of Detailed Information about Convertible Debentures (Detail)", "menuCat": "Details", "order": "54", "role": "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesDetail", "shortName": "Convertible Debentures - Summary of Detailed Information about Convertible Debentures (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "nxe:DisclosureOfDetailedInformationAboutConvertibleDebenturesExplanatory", "nxe:DisclosureOfConvertibleDebenturesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2020", "decimals": "-3", "lang": null, "name": "nxe:ConvertibleDebentures", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R55": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "nxe:MarkToMarketGainLossOnConvertibleDebentures", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1055 - Disclosure - Convertible Debentures - Additional Information (Detail)", "menuCat": "Details", "order": "55", "role": "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "shortName": "Convertible Debentures - Additional Information (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "div", "nxe:DisclosureOfConvertibleDebenturesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn02_18_2021_TwoZeroOneSixDebenturesMemberifrsfullBorrowingsByNameAxis", "decimals": "2", "lang": null, "name": "nxe:ClosingSharePrice", "reportCount": 1, "unique": true, "unitRef": "Unit_USD_per_Share", "xsiNil": "false" } }, "R56": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022_TwoZeroTwoZeroDebenturesMemberifrsfullBorrowingsByNameAxis", "decimals": "4", "first": true, "lang": null, "name": "nxe:DescriptionOfVolatilityOnBorrowings", "reportCount": 1, "unique": true, "unitRef": "Unit_pure", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1056 - Disclosure - Convertible Debentures - Summary of Detailed Information about Convertible Debentures, Valuation Assumptions (Detail)", "menuCat": "Details", "order": "56", "role": "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesValuationAssumptionsDetail", "shortName": "Convertible Debentures - Summary of Detailed Information about Convertible Debentures, Valuation Assumptions (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022_TwoZeroTwoZeroDebenturesMemberifrsfullBorrowingsByNameAxis", "decimals": "4", "first": true, "lang": null, "name": "nxe:DescriptionOfVolatilityOnBorrowings", "reportCount": 1, "unique": true, "unitRef": "Unit_pure", "xsiNil": "false" } }, "R57": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory", "ifrs-full:DisclosureOfLeasesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2021", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:RightofuseAssets", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1057 - Disclosure - Leases - Schedule of Right-of-use asset (Detail)", "menuCat": "Details", "order": "57", "role": "http://www.nexgenenergy.ca/role/LeasesScheduleOfRightOfUseAssetDetail", "shortName": "Leases - Schedule of Right-of-use asset (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory", "ifrs-full:DisclosureOfLeasesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "-3", "lang": null, "name": "ifrs-full:AdditionsToRightofuseAssets", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R58": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "nxe:DisclosureOfDetailedInformationAboutLeaseLiabilitiesExplanatory", "ifrs-full:DisclosureOfLeasesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2021", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:LeaseLiabilities", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1058 - Disclosure - Leases - Schedule of Lease obligation adoption (Detail)", "menuCat": "Details", "order": "58", "role": "http://www.nexgenenergy.ca/role/LeasesScheduleOfLeaseObligationAdoptionDetail", "shortName": "Leases - Schedule of Lease obligation adoption (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "nxe:DisclosureOfDetailedInformationAboutLeaseLiabilitiesExplanatory", "ifrs-full:DisclosureOfLeasesExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2020", "decimals": "-3", "lang": null, "name": "ifrs-full:LeaseLiabilities", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R59": { "firstAnchor": { "ancestors": [ "div", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "nxe:PaymentOfShortTermLeaseExpenses", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1059 - Disclosure - Leases - Additional Information (Detail)", "menuCat": "Details", "order": "59", "role": "http://www.nexgenenergy.ca/role/LeasesAdditionalInformationDetail", "shortName": "Leases - Additional Information (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "nxe:PaymentOfShortTermLeaseExpenses", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R6": { "firstAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1006 - Disclosure - REPORTING ENTITY", "menuCat": "Notes", "order": "6", "role": "http://www.nexgenenergy.ca/role/ReportingEntity", "shortName": "REPORTING ENTITY", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R60": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "ifrs-full:DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsExplanatory", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1060 - Disclosure - Leases - Summary of Amounts recognized in consolidated statements of net loss (Detail)", "menuCat": "Details", "order": "60", "role": "http://www.nexgenenergy.ca/role/LeasesSummaryOfAmountsRecognizedInConsolidatedStatementsOfNetLossDetail", "shortName": "Leases - Summary of Amounts recognized in consolidated statements of net loss (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "ifrs-full:DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsExplanatory", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R61": { "firstAnchor": { "ancestors": [ "div", "div", "div", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2021To12_31_2021", "decimals": "0", "first": true, "lang": null, "name": "nxe:StockIssuedDuringPeriodSharesStockOptionsExercised", "reportCount": 1, "unique": true, "unitRef": "Unit_shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1061 - Disclosure - Share Capital - Additional Information (Detail)", "menuCat": "Details", "order": "61", "role": "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail", "shortName": "Share Capital - Additional Information (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2021To12_31_2021", "decimals": "0", "first": true, "lang": null, "name": "nxe:StockIssuedDuringPeriodSharesStockOptionsExercised", "reportCount": 1, "unique": true, "unitRef": "Unit_shares", "xsiNil": "false" } }, "R62": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2021", "decimals": "0", "first": true, "lang": null, "name": "ifrs-full:NumberOfOutstandingShareOptions", "reportCount": 1, "unitRef": "Unit_pure", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1062 - Disclosure - Share Capital - Summary of Stock Option Transactions and the Number of Stock Options (Detail)", "menuCat": "Details", "order": "62", "role": "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfStockOptionTransactionsAndTheNumberOfStockOptionsDetail", "shortName": "Share Capital - Summary of Stock Option Transactions and the Number of Stock Options (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "0", "lang": null, "name": "ifrs-full:NumberOfShareOptionsExpiredInSharebasedPaymentArrangement", "reportCount": 1, "unique": true, "unitRef": "Unit_pure", "xsiNil": "false" } }, "R63": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "ifrs-full:DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022", "decimals": "INF", "first": true, "lang": null, "name": "ifrs-full:NumberOfOutstandingShareOptions", "reportCount": 1, "unitRef": "Unit_pure", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1063 - Disclosure - Share Capital - Summary of Company's Stock Options Outstanding and Exercisable (Detail)", "menuCat": "Details", "order": "63", "role": "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail", "shortName": "Share Capital - Summary of Company's Stock Options Outstanding and Exercisable (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "ifrs-full:DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "lang": "en-US", "name": "ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R64": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "nxe:DisclosureOfDetailedInformationAboutOptionsValuationAssumptionsExplanatory", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "4", "first": true, "lang": null, "name": "ifrs-full:DescriptionOfExpectedVolatilityShareOptionsGranted", "reportCount": 1, "unique": true, "unitRef": "Unit_pure", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1064 - Disclosure - Share Capital - Summary of Weighted Average Grant Date Fair Values (Detail)", "menuCat": "Details", "order": "64", "role": "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfWeightedAverageGrantDateFairValuesDetail", "shortName": "Share Capital - Summary of Weighted Average Grant Date Fair Values (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "nxe:DisclosureOfDetailedInformationAboutOptionsValuationAssumptionsExplanatory", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "4", "first": true, "lang": null, "name": "ifrs-full:DescriptionOfExpectedVolatilityShareOptionsGranted", "reportCount": 1, "unique": true, "unitRef": "Unit_pure", "xsiNil": "false" } }, "R65": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "nxe:SummaryOfDetailedInformationAboutNonCashInvestingAndFinancingActivities", "ifrs-full:DisclosureOfCashFlowStatementExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "nxe:CapitalizedShareBasedPayments", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1065 - Disclosure - Supplemental Cash Flow Information -Summary Of Detailed Information About Non Cash Investing And Financing Activities (Detail )", "menuCat": "Details", "order": "65", "role": "http://www.nexgenenergy.ca/role/SupplementalCashFlowInformationSummaryOfDetailedInformationAboutNonCashInvestingAndFinancingActivitiesDetail", "shortName": "Supplemental Cash Flow Information -Summary Of Detailed Information About Non Cash Investing And Financing Activities (Detail )", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "nxe:SummaryOfDetailedInformationAboutNonCashInvestingAndFinancingActivities", "ifrs-full:DisclosureOfCashFlowStatementExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "nxe:CapitalizedShareBasedPayments", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R66": { "firstAnchor": { "ancestors": [ "div", "div", "ifrs-full:DisclosureOfCashFlowStatementExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:CashEquivalents", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1066 - Disclosure - Supplemental Cash Flow Information - Additional Information (Detail)", "menuCat": "Details", "order": "66", "role": "http://www.nexgenenergy.ca/role/SupplementalCashFlowInformationAdditionalInformationDetail", "shortName": "Supplemental Cash Flow Information - Additional Information (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "div", "ifrs-full:DisclosureOfCashFlowStatementExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:CashEquivalents", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R67": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "ix:continuation", "ifrs-full:DisclosureOfRelatedPartyExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1067 - Disclosure - Related Party Transactions - Disclosure of Information About Key Management Personnel (Detail)", "menuCat": "Details", "order": "67", "role": "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsDisclosureOfInformationAboutKeyManagementPersonnelDetail", "shortName": "Related Party Transactions - Disclosure of Information About Key Management Personnel (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "ix:continuation", "ifrs-full:DisclosureOfRelatedPartyExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "-3", "lang": null, "name": "ifrs-full:KeyManagementPersonnelCompensation", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R68": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "ix:continuation", "ifrs-full:DisclosureOfRelatedPartyExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1068 - Disclosure - Related Party Transactions - Disclosure of Information About Key Management Personnel (Parenthetical) (Detail)", "menuCat": "Details", "order": "68", "role": "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsDisclosureOfInformationAboutKeyManagementPersonnelParentheticalDetail", "shortName": "Related Party Transactions - Disclosure of Information About Key Management Personnel (Parenthetical) (Detail)", "subGroupType": "parenthetical", "uniqueAnchor": { "ancestors": [ "div", "div", "ix:continuation", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022_DirectorMembersrtTitleOfIndividualAxis", "decimals": "-3", "lang": null, "name": "nxe:KeyManagementPersonnelCompensationConsultingFees", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R69": { "firstAnchor": { "ancestors": [ "ix:continuation", "ix:continuation", "div", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:AmountsPayableRelatedPartyTransactions", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1069 - Disclosure - Related Party Transactions - Additional Information (Detail)", "menuCat": "Details", "order": "69", "role": "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsAdditionalInformationDetail", "shortName": "Related Party Transactions - Additional Information (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "ix:continuation", "ix:continuation", "div", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:AmountsPayableRelatedPartyTransactions", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R7": { "firstAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:DisclosureOfNatureOfOperationsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1007 - Disclosure - NATURE OF OPERATIONS", "menuCat": "Notes", "order": "7", "role": "http://www.nexgenenergy.ca/role/NatureOfOperations", "shortName": "NATURE OF OPERATIONS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "nxe:DisclosureOfNatureOfOperationsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R70": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:Equity", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1070 - Disclosure - Capital Management - Summary of Disclosure Of Detailed Information About Management Capital Explanatory (Detail)", "menuCat": "Details", "order": "70", "role": "http://www.nexgenenergy.ca/role/CapitalManagementSummaryOfDisclosureOfDetailedInformationAboutManagementCapitalExplanatoryDetail", "shortName": "Capital Management - Summary of Disclosure Of Detailed Information About Management Capital Explanatory (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "nxe:DisclosureOfDetailedInformationAboutManagementCapitalExplanatory", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022", "decimals": "-3", "lang": null, "name": "nxe:EquityAndConvertibleDebentures", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R71": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:Cash", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1071 - Disclosure - Financial Instruments And Risk Management -Summary Of Maximum Exposure To Credit Risk (Detail)", "menuCat": "Details", "order": "71", "role": "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementSummaryOfMaximumExposureToCreditRiskDetail", "shortName": "Financial Instruments And Risk Management -Summary Of Maximum Exposure To Credit Risk (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "nxe:SummaryOfMaximumExposureToCreditRiskTableTextBlock", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022", "decimals": "-3", "lang": null, "name": "ifrs-full:MaximumExposureToCreditRisk", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R72": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "nxe:SummaryOfDetailedInformationAboutSiginificantUndiscountedCommitmentsTableTextBlock", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:DerivativeFinancialLiabilitiesUndiscountedCashFlows", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1072 - Disclosure - Financial Instruments And Risk Management - Summary of Detailed Information About Significant Undiscounted Commitments (Detail)", "menuCat": "Details", "order": "72", "role": "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementSummaryOfDetailedInformationAboutSignificantUndiscountedCommitmentsDetail", "shortName": "Financial Instruments And Risk Management - Summary of Detailed Information About Significant Undiscounted Commitments (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "nxe:SummaryOfDetailedInformationAboutSiginificantUndiscountedCommitmentsTableTextBlock", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:DerivativeFinancialLiabilitiesUndiscountedCashFlows", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R73": { "firstAnchor": { "ancestors": [ "div", "div", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:CashAndCashEquivalents", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1073 - Disclosure - Financial Instruments - Additional Information (Detail)", "menuCat": "Details", "order": "73", "role": "http://www.nexgenenergy.ca/role/FinancialInstrumentsAdditionalInformationDetail", "shortName": "Financial Instruments - Additional Information (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "div", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022", "decimals": "-6", "lang": null, "name": "nxe:ConvertibleDebenturesAggregatePrincipalAmount", "reportCount": 1, "unique": true, "unitRef": "Unit_USD", "xsiNil": "false" } }, "R74": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:NoncontrollingInterests", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1074 - Disclosure - Non-controlling Interests - Additional Information (Detail)", "menuCat": "Details", "order": "74", "role": "http://www.nexgenenergy.ca/role/NonControllingInterestsAdditionalInformationDetail", "shortName": "Non-controlling Interests - Additional Information (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "div", "ifrs-full:DisclosureOfNoncontrollingInterestsExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022_TheSubsidiariesWithTheExceptionOfIsoenergyMemberifrsfullSignificantInvestmentsInSubsidiariesAxis", "decimals": "INF", "lang": null, "name": "ifrs-full:ProportionOfOwnershipInterestInSubsidiary", "reportCount": 1, "unique": true, "unitRef": "Unit_pure", "xsiNil": "false" } }, "R75": { "firstAnchor": { "ancestors": [ "div", "div", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:CashAndCashEquivalents", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1075 - Disclosure - Non-controlling Interests - Summary of Financial Information for IsoEnergy Ltd (Detail)", "menuCat": "Details", "order": "75", "role": "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail", "shortName": "Non-controlling Interests - Summary of Financial Information for IsoEnergy Ltd (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "nxe:DisclosureOfSummarizedFinancialInformationForSubsidiariesWithMaterialNonControllingInterestsExplanatory", "ifrs-full:DisclosureOfNoncontrollingInterestsExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022_SubsidiariesWithMaterialNoncontrollingInterestsMemberifrsfullSignificantInvestmentsInSubsidiariesAxis", "decimals": "-3", "lang": null, "name": "ifrs-full:CashAndCashEquivalents", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R76": { "firstAnchor": { "ancestors": [ "div", "div", "div", "td", "tr", "table", "ifrs-full:DisclosureOfIncomeTaxExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:AccountingProfit", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1076 - Disclosure - Income Taxes - Reconciliation of Income Taxes at Statutory Rates (Detail)", "menuCat": "Details", "order": "76", "role": "http://www.nexgenenergy.ca/role/IncomeTaxesReconciliationOfIncomeTaxesAtStatutoryRatesDetail", "shortName": "Income Taxes - Reconciliation of Income Taxes at Statutory Rates (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "td", "tr", "table", "ifrs-full:DisclosureOfIncomeTaxExplanatory", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:AccountingProfit", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R77": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:IncomeTaxExpenseContinuingOperations", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1077 - Disclosure - Income Taxes - Summary of Income Tax (Recovery) Expense (Detail)", "menuCat": "Details", "order": "77", "role": "http://www.nexgenenergy.ca/role/IncomeTaxesSummaryOfIncomeTaxRecoveryExpenseDetail", "shortName": "Income Taxes - Summary of Income Tax (Recovery) Expense (Detail)", "subGroupType": "details", "uniqueAnchor": null }, "R78": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "nxe:DeferredIncomeTaxRecovery", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1078 - Disclosure - Income Taxes - Disclosure Of Change In Fair Value of Convertible Debentures Attributable To Credit Risk Fluctuation (Detail)", "menuCat": "Details", "order": "78", "role": "http://www.nexgenenergy.ca/role/IncomeTaxesDisclosureOfChangeInFairValueOfConvertibleDebenturesAttributableToCreditRiskFluctuationDetail", "shortName": "Income Taxes - Disclosure Of Change In Fair Value of Convertible Debentures Attributable To Credit Risk Fluctuation (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "nxe:DisclosureOfChangeInFairValueOfConvertibleDebenturesAttributableToCreditRiskFluctuationTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022_ChangeInFairValueOfConvertibleDebenturesAttributableToChangeInCreditRiskMemberifrsfullTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis", "decimals": "-3", "lang": null, "name": "nxe:DeferredIncomeTaxRecovery", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R79": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "nxe:DisclosureOfDeferredTaxLiabilitiesExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:NetDeferredTaxLiabilities", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1079 - Disclosure - Income Taxes - Summary of Deferred Tax (Assets) and Liabilities (Detail)", "menuCat": "Details", "order": "79", "role": "http://www.nexgenenergy.ca/role/IncomeTaxesSummaryOfDeferredTaxAssetsAndLiabilitiesDetail", "shortName": "Income Taxes - Summary of Deferred Tax (Assets) and Liabilities (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "nxe:DisclosureOfDeferredTaxLiabilitiesExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022_ExplorationAndEvaluationAssetsMemberifrsfullClassesOfAssetsAxis", "decimals": "-3", "lang": null, "name": "ifrs-full:NetDeferredTaxLiabilities", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R8": { "firstAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1008 - Disclosure - BASIS OF PREPARATION", "menuCat": "Notes", "order": "8", "role": "http://www.nexgenenergy.ca/role/BasisOfPreparation", "shortName": "BASIS OF PREPARATION", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R80": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "nxe:DisclosureOfDeferredTaxLiabilitiesExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2021", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:NetDeferredTaxLiabilities", "reportCount": 1, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1080 - Disclosure - Income Taxes - Summary of Movement in Deferred Tax Liability (Detail)", "menuCat": "Details", "order": "80", "role": "http://www.nexgenenergy.ca/role/IncomeTaxesSummaryOfMovementInDeferredTaxLiabilityDetail", "shortName": "Income Taxes - Summary of Movement in Deferred Tax Liability (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "nxe:DisclosureOfDetailedInformationAboutDeferredTaxLiabilitiesExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "-3", "lang": null, "name": "ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R81": { "firstAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022_NoncapitalLossesAvailableForFuturePeriodsMemberifrsfullTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1081 - Disclosure - Income Taxes - Significant Components of Temporary Differences, Unused Tax Credits and Unused Tax Losses (Detail)", "menuCat": "Details", "order": "81", "role": "http://www.nexgenenergy.ca/role/IncomeTaxesSignificantComponentsOfTemporaryDifferencesUnusedTaxCreditsAndUnusedTaxLossesDetail", "shortName": "Income Taxes - Significant Components of Temporary Differences, Unused Tax Credits and Unused Tax Losses (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "div", "td", "tr", "table", "ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "PAsOn12_31_2022_NoncapitalLossesAvailableForFuturePeriodsMemberifrsfullTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised", "reportCount": 1, "unique": true, "unitRef": "Unit_CAD", "xsiNil": "false" } }, "R82": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": "0", "first": true, "lang": null, "name": "ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement", "reportCount": 1, "unitRef": "Unit_pure", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1082 - Disclosure - Subsequent Event - Additional Information (Detail)", "menuCat": "Details", "order": "82", "role": "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail", "shortName": "Subsequent Event - Additional Information (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "div", "nxe:SubsequentEvents", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2023To01_01_2023_MajorOrdinaryShareTransactionsMemberifrsfullNonadjustingEventsAfterReportingPeriodAxis", "decimals": "0", "lang": null, "name": "ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement", "reportCount": 1, "unique": true, "unitRef": "Unit_pure", "xsiNil": "false" } }, "R9": { "firstAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "1009 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES", "menuCat": "Notes", "order": "9", "role": "http://www.nexgenenergy.ca/role/SignificantAccountingPolicies", "shortName": "SIGNIFICANT ACCOUNTING POLICIES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "d358580dex993.htm", "contextRef": "P01_01_2022To12_31_2022", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } } }, "segmentCount": 122, "tag": { "dei_AddressTypeDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "An entity may have several addresses for different purposes and this domain represents all such types.", "label": "Address Type [Domain]" } } }, "localname": "AddressTypeDomain", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "domainItemType" }, "dei_AmendmentFlag": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.", "label": "Amendment Flag" } } }, "localname": "AmendmentFlag", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "booleanItemType" }, "dei_AnnualInformationForm": { "auth_ref": [ "r230" ], "lang": { "en-us": { "role": { "documentation": "Boolean flag with value true on a form if it is an annual report containing an annual information form.", "label": "Annual Information Form" } } }, "localname": "AnnualInformationForm", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "booleanItemType" }, "dei_AuditedAnnualFinancialStatements": { "auth_ref": [ "r230" ], "lang": { "en-us": { "role": { "documentation": "Boolean flag with value true on a form if it is an annual report containing audited financial statements.", "label": "Audited Annual Financial Statements" } } }, "localname": "AuditedAnnualFinancialStatements", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "booleanItemType" }, "dei_AuditorFirmId": { "auth_ref": [ "r228", "r229", "r230" ], "lang": { "en-us": { "role": { "documentation": "PCAOB issued Audit Firm Identifier", "label": "Auditor Firm ID" } } }, "localname": "AuditorFirmId", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "nonemptySequenceNumberItemType" }, "dei_AuditorLocation": { "auth_ref": [ "r228", "r229", "r230" ], "lang": { "en-us": { "role": { "label": "Auditor Location" } } }, "localname": "AuditorLocation", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "internationalNameItemType" }, "dei_AuditorName": { "auth_ref": [ "r228", "r229", "r230" ], "lang": { "en-us": { "role": { "label": "Auditor Name" } } }, "localname": "AuditorName", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "internationalNameItemType" }, "dei_BusinessContactMember": { "auth_ref": [ "r229", "r230" ], "lang": { "en-us": { "role": { "documentation": "Business contact for the entity", "label": "Business Contact [Member]" } } }, "localname": "BusinessContactMember", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "domainItemType" }, "dei_CityAreaCode": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Area code of city", "label": "City Area Code" } } }, "localname": "CityAreaCode", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_ContactPersonnelName": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Name of contact personnel", "label": "Contact Personnel Name" } } }, "localname": "ContactPersonnelName", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_CoverAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Cover page.", "label": "Cover [Abstract]" } } }, "localname": "CoverAbstract", "nsuri": "http://xbrl.sec.gov/dei/2022", "xbrltype": "stringItemType" }, "dei_CurrentFiscalYearEndDate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "End date of current fiscal year in the format --MM-DD.", "label": "Current Fiscal Year End Date" } } }, "localname": "CurrentFiscalYearEndDate", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "gMonthDayItemType" }, "dei_DocumentAnnualReport": { "auth_ref": [ "r228", "r229", "r230" ], "lang": { "en-us": { "role": { "documentation": "Boolean flag that is true only for a form used as an annual report.", "label": "Document Annual Report" } } }, "localname": "DocumentAnnualReport", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "booleanItemType" }, "dei_DocumentFiscalPeriodFocus": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Fiscal period values are FY, Q1, Q2, and Q3. 1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.", "label": "Document Fiscal Period Focus" } } }, "localname": "DocumentFiscalPeriodFocus", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "fiscalPeriodItemType" }, "dei_DocumentFiscalYearFocus": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.", "label": "Document Fiscal Year Focus" } } }, "localname": "DocumentFiscalYearFocus", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "gYearItemType" }, "dei_DocumentInformationLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Document Information [Line Items]" } } }, "localname": "DocumentInformationLineItems", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "stringItemType" }, "dei_DocumentPeriodEndDate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.", "label": "Document Period End Date" } } }, "localname": "DocumentPeriodEndDate", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "dateItemType" }, "dei_DocumentRegistrationStatement": { "auth_ref": [ "r224" ], "lang": { "en-us": { "role": { "documentation": "Boolean flag that is true only for a form used as a registration statement.", "label": "Document Registration Statement" } } }, "localname": "DocumentRegistrationStatement", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "booleanItemType" }, "dei_DocumentType": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.", "label": "Document Type" } } }, "localname": "DocumentType", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "submissionTypeItemType" }, "dei_EntityAddressAddressLine1": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Address Line 1 such as Attn, Building Name, Street Name", "label": "Entity Address, Address Line One" } } }, "localname": "EntityAddressAddressLine1", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressAddressLine2": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Address Line 2 such as Street or Suite number", "label": "Entity Address, Address Line Two" } } }, "localname": "EntityAddressAddressLine2", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressCityOrTown": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Name of the City or Town", "label": "Entity Address, City or Town" } } }, "localname": "EntityAddressCityOrTown", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressCountry": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "ISO 3166-1 alpha-2 country code.", "label": "Entity Address, Country" } } }, "localname": "EntityAddressCountry", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "countryCodeItemType" }, "dei_EntityAddressPostalZipCode": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Code for the postal or zip code", "label": "Entity Address, Postal Zip Code" } } }, "localname": "EntityAddressPostalZipCode", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressStateOrProvince": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Name of the state or province.", "label": "Entity Address, State or Province" } } }, "localname": "EntityAddressStateOrProvince", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "stateOrProvinceItemType" }, "dei_EntityAddressesAddressTypeAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table.", "label": "Entity Addresses, Address Type [Axis]" } } }, "localname": "EntityAddressesAddressTypeAxis", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "stringItemType" }, "dei_EntityAddressesTable": { "auth_ref": [ "r226" ], "lang": { "en-us": { "role": { "documentation": "Container of address information for the entity", "label": "Entity Addresses [Table]" } } }, "localname": "EntityAddressesTable", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "stringItemType" }, "dei_EntityCentralIndexKey": { "auth_ref": [ "r226" ], "lang": { "en-us": { "role": { "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.", "label": "Entity Central Index Key" } } }, "localname": "EntityCentralIndexKey", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "centralIndexKeyItemType" }, "dei_EntityCommonStockSharesOutstanding": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.", "label": "Entity Common Stock, Shares Outstanding" } } }, "localname": "EntityCommonStockSharesOutstanding", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "sharesItemType" }, "dei_EntityCurrentReportingStatus": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.", "label": "Entity Current Reporting Status" } } }, "localname": "EntityCurrentReportingStatus", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "yesNoItemType" }, "dei_EntityDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains.", "label": "Entity [Domain]" } } }, "localname": "EntityDomain", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "dei_EntityEmergingGrowthCompany": { "auth_ref": [ "r226" ], "lang": { "en-us": { "role": { "documentation": "Indicate if registrant meets the emerging growth company criteria.", "label": "Entity Emerging Growth Company" } } }, "localname": "EntityEmergingGrowthCompany", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "booleanItemType" }, "dei_EntityFileNumber": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.", "label": "Entity File Number" } } }, "localname": "EntityFileNumber", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "fileNumberItemType" }, "dei_EntityIncorporationStateCountryCode": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Two-character EDGAR code representing the state or country of incorporation.", "label": "Entity Incorporation, State or Country Code" } } }, "localname": "EntityIncorporationStateCountryCode", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "edgarStateCountryItemType" }, "dei_EntityInteractiveDataCurrent": { "auth_ref": [ "r231" ], "lang": { "en-us": { "role": { "documentation": "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).", "label": "Entity Interactive Data Current" } } }, "localname": "EntityInteractiveDataCurrent", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "yesNoItemType" }, "dei_EntityPrimarySicNumber": { "auth_ref": [ "r230" ], "lang": { "en-us": { "role": { "documentation": "Primary Standard Industrial Classification (SIC) Number for the Entity.", "label": "Entity Primary SIC Number" } } }, "localname": "EntityPrimarySicNumber", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "sicNumberItemType" }, "dei_EntityRegistrantName": { "auth_ref": [ "r226" ], "lang": { "en-us": { "role": { "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.", "label": "Entity Registrant Name" } } }, "localname": "EntityRegistrantName", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_IcfrAuditorAttestationFlag": { "auth_ref": [ "r228", "r229", "r230" ], "lang": { "en-us": { "role": { "label": "ICFR Auditor Attestation Flag" } } }, "localname": "IcfrAuditorAttestationFlag", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "booleanItemType" }, "dei_LegalEntityAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The set of legal entities associated with a report.", "label": "Legal Entity [Axis]" } } }, "localname": "LegalEntityAxis", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "dei_LocalPhoneNumber": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Local phone number for entity.", "label": "Local Phone Number" } } }, "localname": "LocalPhoneNumber", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_Security12bTitle": { "auth_ref": [ "r225" ], "lang": { "en-us": { "role": { "documentation": "Title of a 12(b) registered security.", "label": "Title of 12(b) Security" } } }, "localname": "Security12bTitle", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "securityTitleItemType" }, "dei_SecurityExchangeName": { "auth_ref": [ "r227" ], "lang": { "en-us": { "role": { "documentation": "Name of the Exchange on which a security is registered.", "label": "Security Exchange Name" } } }, "localname": "SecurityExchangeName", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "edgarExchangeCodeItemType" }, "dei_TradingSymbol": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Trading symbol of an instrument as listed on an exchange.", "label": "Trading Symbol" } } }, "localname": "TradingSymbol", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nexgenenergy.ca/role/Cover" ], "xbrltype": "tradingSymbolItemType" }, "ifrs-full_AccountingProfit": { "auth_ref": [ "r40", "r41" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of profit (loss) for a period before deducting tax expense. [Refer: Profit (loss)]" } }, "en-us": { "role": { "label": "Accounting profit", "negatedLabel": "Net loss for the year" } } }, "localname": "AccountingProfit", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesReconciliationOfIncomeTaxesAtStatutoryRatesDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AccumulatedOtherComprehensiveIncome": { "auth_ref": [ "r237" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": 5.0, "parentTag": "ifrs-full_EquityAttributableToOwnersOfParent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of accumulated items of income and expense (including reclassification adjustments) that are not recognised in profit or loss as required or permitted by other IFRSs. [Refer: IFRSs [member]; Other comprehensive income]" } }, "en-us": { "role": { "label": "Accumulated other comprehensive income", "terseLabel": "Accumulated other comprehensive income" } } }, "localname": "AccumulatedOtherComprehensiveIncome", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AccumulatedOtherComprehensiveIncomeMember": { "auth_ref": [ "r234" ], "lang": { "en": { "role": { "documentation": "This member stands for accumulated other comprehensive income. [Refer: Other comprehensive income]" } }, "en-us": { "role": { "label": "Accumulated other comprehensive income [member]", "terseLabel": "Accumulated Other Comprehensive Income (loss)" } } }, "localname": "AccumulatedOtherComprehensiveIncomeMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "domainItemType" }, "ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment": { "auth_ref": [ "r48" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment]" } }, "en-us": { "role": { "label": "Additions other than through business combinations, property, plant and equipment", "terseLabel": "Additions" } } }, "localname": "AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/PropertyAndEquipmentSummaryOfDetailedInformationAboutPropertyPlantAndEquipmentDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdditionsToRightofuseAssets": { "auth_ref": [ "r126" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of additions to right-of-use assets. [Refer: Right-of-use assets]" } }, "en-us": { "role": { "label": "Additions to right-of-use assets", "verboseLabel": "Additions" } } }, "localname": "AdditionsToRightofuseAssets", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/LeasesScheduleOfRightOfUseAssetDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets": { "auth_ref": [ "r247" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Adjustments for decrease (increase) in other current assets to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Other current assets; Profit (loss)]" } }, "en-us": { "role": { "label": "Adjustments for decrease (increase) in other current assets", "terseLabel": "Prepaid expenses and other" } } }, "localname": "AdjustmentsForDecreaseIncreaseInOtherCurrentAssets", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables": { "auth_ref": [ "r245" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Adjustments for decrease (increase) in other operating receivables to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)]" } }, "en-us": { "role": { "label": "Adjustments for decrease (increase) in other operating receivables", "terseLabel": "Amounts receivable" } } }, "localname": "AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForDeferredTaxExpense": { "auth_ref": [ "r247" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 9.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Adjustments for deferred tax expense to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Deferred tax expense (income); Profit (loss)]" } }, "en-us": { "role": { "label": "Adjustments for deferred tax expense", "verboseLabel": "Deferred income tax (recovery) expense (Note 17)" } } }, "localname": "AdjustmentsForDeferredTaxExpense", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense": { "auth_ref": [ "r246" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 6.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Adjustments for depreciation and amortisation expense to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Depreciation and amortisation expense; Profit (loss)]" } }, "en-us": { "role": { "label": "Adjustments for depreciation and amortisation expense", "terseLabel": "Depreciation (Note 7)" } } }, "localname": "AdjustmentsForDepreciationAndAmortisationExpense", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable": { "auth_ref": [ "r245" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Adjustments for increase (decrease) in trade accounts payable to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)]" } }, "en-us": { "role": { "label": "Adjustments for increase (decrease) in trade accounts payable", "terseLabel": "Accounts payable and accrued liabilities" } } }, "localname": "AdjustmentsForIncreaseDecreaseInTradeAccountPayable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForInterestExpense": { "auth_ref": [ "r247" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 11.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Adjustments for interest expense to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Interest expense; Profit (loss)]" } }, "en-us": { "role": { "label": "Adjustments for interest expense", "terseLabel": "Interest expense on convertible debentures (Note 9)" } } }, "localname": "AdjustmentsForInterestExpense", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForReconcileProfitLossAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Adjustments to reconcile profit (loss) [abstract]", "terseLabel": "Adjust for:" } } }, "localname": "AdjustmentsForReconcileProfitLossAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "ifrs-full_AdjustmentsForSharebasedPayments": { "auth_ref": [ "r246" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 7.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Adjustments for share-based payments to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)]" } }, "en-us": { "role": { "label": "Adjustments for share-based payments", "terseLabel": "Share-based payments (Note 11)" } } }, "localname": "AdjustmentsForSharebasedPayments", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains": { "auth_ref": [ "r206", "r246" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 8.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Adjustments for unrealised foreign exchange losses (gains) to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)]" } }, "en-us": { "role": { "label": "Adjustments for unrealised foreign exchange losses (gains)", "terseLabel": "Unrealized foreign exchange (gain) loss" } } }, "localname": "AdjustmentsForUnrealisedForeignExchangeLossesGains", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AggregatedTimeBandsMember": { "auth_ref": [ "r19", "r119", "r129", "r131", "r151", "r179", "r180", "r182", "r188", "r198", "r214", "r217" ], "lang": { "en": { "role": { "documentation": "This member stands for aggregated time bands. It also represents the standard value for the 'Maturity' axis if no other member is used." } }, "en-us": { "role": { "label": "Aggregated time bands [member]" } } }, "localname": "AggregatedTimeBandsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementSummaryOfDetailedInformationAboutSignificantUndiscountedCommitmentsDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_AmountsPayableRelatedPartyTransactions": { "auth_ref": [ "r59", "r62" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amounts payable resulting from related party transactions. [Refer: Related parties [member]]" } }, "en-us": { "role": { "label": "Amounts payable, related party transactions", "terseLabel": "Amounts payable and accrued liabilities related party transactions" } } }, "localname": "AmountsPayableRelatedPartyTransactions", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ApplicableTaxRate": { "auth_ref": [ "r41" ], "lang": { "en": { "role": { "documentation": "The applicable income tax rate." } }, "en-us": { "role": { "label": "Applicable tax rate", "terseLabel": "Statutory rate" } } }, "localname": "ApplicableTaxRate", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesReconciliationOfIncomeTaxesAtStatutoryRatesDetail" ], "xbrltype": "percentItemType" }, "ifrs-full_Assets": { "auth_ref": [ "r16", "r111", "r112", "r116", "r173", "r175" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of a present economic resource controlled by the entity as a result of past events. Economic resource is a right that has the potential to produce economic benefits." } }, "en-us": { "role": { "label": "Assets", "totalLabel": "Total assets" } } }, "localname": "Assets", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition", "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AssetsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Assets [abstract]", "terseLabel": "Assets" } } }, "localname": "AssetsAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "stringItemType" }, "ifrs-full_AssetsAndLiabilitiesAxis": { "auth_ref": [ "r6" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Assets and liabilities [axis]" } } }, "localname": "AssetsAndLiabilitiesAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesScheduleOfAccountingPolicyForFinancialInstrumentsDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_AssetsAndLiabilitiesMember": { "auth_ref": [ "r6" ], "lang": { "en": { "role": { "documentation": "This member stands for assets and liabilities. It also represents the standard value for the 'Assets and liabilities' axis if no other member is used. [Refer: Assets; Liabilities]" } }, "en-us": { "role": { "label": "Assets and liabilities [member]" } } }, "localname": "AssetsAndLiabilitiesMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesScheduleOfAccountingPolicyForFinancialInstrumentsDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_AssetsArisingFromExplorationForAndEvaluationOfMineralResources": { "auth_ref": [ "r148" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": 22.0, "parentTag": "ifrs-full_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of assets arising from the search for mineral resources, including minerals, oil, natural gas and similar non-regenerative resources after the entity has obtained legal rights to explore in a specific area, as well as the determination of the technical feasibility and commercial viability of extracting the mineral resource." } }, "en-us": { "role": { "label": "Assets arising from exploration for and evaluation of mineral resources", "periodEndLabel": "Exploration and evaluation assets, ending balance", "periodStartLabel": "Exploration and evaluation assets, beginning balance", "terseLabel": "Exploration and evaluation assets (Note 6)" } } }, "localname": "AssetsArisingFromExplorationForAndEvaluationOfMineralResources", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition", "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AtCostMember": { "auth_ref": [ "r74", "r78", "r80" ], "lang": { "en": { "role": { "documentation": "This member stands for measurement based on cost. Cost is the amount of cash or cash equivalents paid or the fair value of the other consideration given to acquire an asset at the time of its acquisition or construction, or, when applicable, the amount attributed to that asset when initially recognised in accordance with the specific requirements of other IFRSs." } }, "en-us": { "role": { "label": "At cost [member]", "terseLabel": "At Cost [member]" } } }, "localname": "AtCostMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/PropertyAndEquipmentSummaryOfDetailedInformationAboutPropertyPlantAndEquipmentDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_BorrowingsByNameAxis": { "auth_ref": [ "r251" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Borrowings by name [axis]", "terseLabel": "Borrowings by name [axis]" } } }, "localname": "BorrowingsByNameAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesDetail", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesValuationAssumptionsDetail", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesTables", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_BorrowingsByNameMember": { "auth_ref": [ "r251" ], "lang": { "en": { "role": { "documentation": "This member stands for all borrowings when disaggregated by name. It also represents the standard value for the 'Borrowings by name' axis if no other member is used. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Borrowings by name [member]", "terseLabel": "Borrowings by name [member]" } } }, "localname": "BorrowingsByNameMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesDetail", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesValuationAssumptionsDetail", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesTables", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_BorrowingsInterestRate": { "auth_ref": [ "r251" ], "lang": { "en": { "role": { "documentation": "The interest rate on borrowings. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Borrowings, interest rate", "terseLabel": "Borrowings, interest rate", "verboseLabel": "Interest rate" } } }, "localname": "BorrowingsInterestRate", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/FinancialInstrumentsAdditionalInformationDetail" ], "xbrltype": "percentItemType" }, "ifrs-full_BorrowingsMaturity": { "auth_ref": [ "r251" ], "lang": { "en": { "role": { "documentation": "The maturity of borrowings. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Borrowings, maturity", "terseLabel": "Expected life in years", "verboseLabel": "Convertible debentures term" } } }, "localname": "BorrowingsMaturity", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesValuationAssumptionsDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_BottomOfRangeMember": { "auth_ref": [ "r118", "r143", "r182", "r209", "r211", "r251" ], "lang": { "en": { "role": { "documentation": "This member stands for the bottom of a range." } }, "en-us": { "role": { "label": "Bottom of range [member]" } } }, "localname": "BottomOfRangeMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis": { "auth_ref": [ "r47", "r51", "r71", "r72", "r75", "r76", "r77", "r78", "r79", "r146", "r156", "r157", "r254", "r255" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]", "terseLabel": "Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]" } } }, "localname": "CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/PropertyAndEquipmentSummaryOfDetailedInformationAboutPropertyPlantAndEquipmentDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_CarryingAmountMember": { "auth_ref": [ "r51", "r72", "r75", "r77", "r78", "r146", "r156", "r157", "r222", "r223" ], "lang": { "en": { "role": { "documentation": "This member stands for the amount at which an asset is recognised in the statement of financial position (after deducting any accumulated depreciation or amortisation and accumulated impairment losses). It also represents the standard value for the 'Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount' axis if no other member is used. [Refer: Depreciation and amortisation expense; Impairment loss]" } }, "en-us": { "role": { "label": "Carrying amount [member]", "terseLabel": "Carrying amount [member]" } } }, "localname": "CarryingAmountMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/PropertyAndEquipmentSummaryOfDetailedInformationAboutPropertyPlantAndEquipmentDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_Cash": { "auth_ref": [ "r248" ], "calculation": { "http://www.nexgenenergy.ca/role/CapitalManagementSummaryOfDisclosureOfDetailedInformationAboutManagementCapitalExplanatoryDetail": { "order": 4.0, "parentTag": "nxe_ManagementCapital", "weight": -1.0 }, "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": 17.0, "parentTag": "ifrs-full_CurrentAssets", "weight": 1.0 }, "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementSummaryOfMaximumExposureToCreditRiskDetail": { "order": 2.0, "parentTag": "ifrs-full_MaximumExposureToCreditRisk", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of cash on hand and demand deposits. [Refer: Cash on hand]" } }, "en-us": { "role": { "label": "Cash", "negatedLabel": "Less: Cash", "periodEndLabel": "Cash, end of year", "periodStartLabel": "Cash, beginning of year", "terseLabel": "Cash" } } }, "localname": "Cash", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/CapitalManagementSummaryOfDisclosureOfDetailedInformationAboutManagementCapitalExplanatoryDetail", "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows", "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition", "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementSummaryOfMaximumExposureToCreditRiskDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CashAndCashEquivalents": { "auth_ref": [ "r11", "r85", "r108" ], "calculation": { "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail": { "order": 1.0, "parentTag": "ifrs-full_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]" } }, "en-us": { "role": { "label": "Cash and cash equivalents", "terseLabel": "Cash and cash equivalents", "verboseLabel": "Cash" } } }, "localname": "CashAndCashEquivalents", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CashEquivalents": { "auth_ref": [ "r248" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value." } }, "en-us": { "role": { "label": "Cash equivalents", "terseLabel": "Cash equivalents" } } }, "localname": "CashEquivalents", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SupplementalCashFlowInformationAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CashFlowsFromUsedInFinancingActivities": { "auth_ref": [ "r81", "r87" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 21.0, "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The cash flows from (used in) financing activities, which are activities that result in changes in the size and composition of the contributed equity and borrowings of the entity." } }, "en-us": { "role": { "label": "Cash flows from (used in) financing activities", "terseLabel": "Net cash flow from financing activities", "totalLabel": "Cash provided by financing activities" } } }, "localname": "CashFlowsFromUsedInFinancingActivities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows", "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Cash flows from (used in) financing activities [abstract]", "terseLabel": "Cash flows from (used in) financing activities" } } }, "localname": "CashFlowsFromUsedInFinancingActivitiesAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "ifrs-full_CashFlowsFromUsedInInvestingActivities": { "auth_ref": [ "r81", "r87" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 16.0, "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The cash flows from (used in) investing activities, which are the acquisition and disposal of long-term assets and other investments not included in cash equivalents." } }, "en-us": { "role": { "label": "Cash flows from (used in) investing activities", "terseLabel": "Net cash flow from investing activities", "totalLabel": "Cash used in investing activities" } } }, "localname": "CashFlowsFromUsedInInvestingActivities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows", "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Cash flows from (used in) investing activities [abstract]", "terseLabel": "Cash flows used in investing activities" } } }, "localname": "CashFlowsFromUsedInInvestingActivitiesAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "ifrs-full_CashFlowsFromUsedInOperatingActivities": { "auth_ref": [ "r81", "r87" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents", "weight": 1.0 } }, "lang": { "en": { "role": { "documentation": "The cash flows from (used in) operating activities, which are the principal revenue-producing activities of the entity and other activities that are not investing or financing activities. [Refer: Revenue]" } }, "en-us": { "role": { "label": "Cash flows from (used in) operating activities", "terseLabel": "Net cash flow from operating activities", "totalLabel": "Cash used in operating activities" } } }, "localname": "CashFlowsFromUsedInOperatingActivities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows", "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Cash flows from (used in) operating activities [abstract]", "terseLabel": "Cash flows from (used in) from operating activities" } } }, "localname": "CashFlowsFromUsedInOperatingActivitiesAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital": { "auth_ref": [ "r206", "r247" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 5.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": 1.0 } }, "lang": { "en": { "role": { "documentation": "The cash inflow (outflow) from the entity's operations before changes in working capital." } }, "en-us": { "role": { "label": "Cash flows from (used in) operations before changes in working capital", "totalLabel": "Operating cash flows before working capital" } } }, "localname": "CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CategoriesOfFinancialAssetsAxis": { "auth_ref": [ "r169" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Categories of financial assets [axis]" } } }, "localname": "CategoriesOfFinancialAssetsAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesScheduleOfAccountingPolicyForFinancialInstrumentsDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_CategoriesOfRelatedPartiesAxis": { "auth_ref": [ "r61" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Categories of related parties [axis]", "terseLabel": "Categories of related parties [axis]" } } }, "localname": "CategoriesOfRelatedPartiesAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsDisclosureOfInformationAboutKeyManagementPersonnelParentheticalDetail", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_ChangesInDeferredTaxLiabilityAssetAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Changes in deferred tax liability (asset) [abstract]" } } }, "localname": "ChangesInDeferredTaxLiabilityAssetAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_ClassesOfAssetsAxis": { "auth_ref": [ "r69", "r70", "r117", "r128" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Classes of assets [axis]", "terseLabel": "Classes of assets [axis]" } } }, "localname": "ClassesOfAssetsAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesSummaryOfDeferredTaxAssetsAndLiabilitiesDetail", "http://www.nexgenenergy.ca/role/LeasesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/NonControllingInterestsAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfDepreciationOverTheEstimatedUsefulLivesOfEachSignificantComponentDetail", "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_ClassesOfAssetsMember": { "auth_ref": [ "r69", "r117", "r128" ], "lang": { "en": { "role": { "documentation": "This member stands for a present economic resource controlled by the entity as a result of past events. Economic resource is a right that has the potential to produce economic benefits. It also represents the standard value for the 'Classes of assets' axis if no other member is used." } }, "en-us": { "role": { "label": "Assets [member]", "terseLabel": "Assets [member]" } } }, "localname": "ClassesOfAssetsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesSummaryOfDeferredTaxAssetsAndLiabilitiesDetail", "http://www.nexgenenergy.ca/role/LeasesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/NonControllingInterestsAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfDepreciationOverTheEstimatedUsefulLivesOfEachSignificantComponentDetail", "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_ClassesOfFinancialInstrumentsAxis": { "auth_ref": [ "r156", "r159", "r160", "r161" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Classes of financial instruments [axis]" } } }, "localname": "ClassesOfFinancialInstrumentsAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementSummaryOfDetailedInformationAboutSignificantUndiscountedCommitmentsDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_ClassesOfFinancialInstrumentsMember": { "auth_ref": [ "r156", "r159", "r160", "r161" ], "lang": { "en": { "role": { "documentation": "This member stands for aggregated classes of financial instruments. Financial instruments are contracts that give rise to a financial asset of one entity and a financial liability or equity instrument of another entity. It also represents the standard value for the 'Classes of financial instruments' axis if no other member is used. [Refer: Financial assets; Financial liabilities]" } }, "en-us": { "role": { "label": "Financial instruments, class [member]" } } }, "localname": "ClassesOfFinancialInstrumentsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementSummaryOfDetailedInformationAboutSignificantUndiscountedCommitmentsDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis": { "auth_ref": [ "r73" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Classes of intangible assets other than goodwill [axis]", "terseLabel": "Classes of intangible assets other than goodwill [axis]" } } }, "localname": "ClassesOfIntangibleAssetsOtherThanGoodwillAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/PropertyAndEquipmentSummaryOfDetailedInformationAboutPropertyPlantAndEquipmentDetail", "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfDepreciationOverTheEstimatedUsefulLivesOfEachSignificantComponentDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis": { "auth_ref": [ "r52" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Classes of property, plant and equipment [axis]", "terseLabel": "Classes of property, plant and equipment [axis]" } } }, "localname": "ClassesOfPropertyPlantAndEquipmentAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/PropertyAndEquipmentSummaryOfDetailedInformationAboutPropertyPlantAndEquipmentDetail", "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfDepreciationOverTheEstimatedUsefulLivesOfEachSignificantComponentDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_ClosingForeignExchangeRate": { "auth_ref": [ "r235" ], "lang": { "en": { "role": { "documentation": "The spot exchange rate at the end of the reporting period. Exchange rate is the ratio of exchange for two currencies. Spot exchange rate is the exchange rate for immediate delivery." } }, "en-us": { "role": { "label": "Closing foreign exchange rate", "terseLabel": "Exchange rate (C$:US$)" } } }, "localname": "ClosingForeignExchangeRate", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesValuationAssumptionsDetail" ], "xbrltype": "decimalItemType" }, "ifrs-full_ComponentsOfEquityAxis": { "auth_ref": [ "r5" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Components of equity [axis]", "terseLabel": "Components of equity [axis]" } } }, "localname": "ComponentsOfEquityAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract]", "terseLabel": "Items that may not be reclassified subsequently to profit or loss:" } } }, "localname": "ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "stringItemType" }, "ifrs-full_ComprehensiveIncome": { "auth_ref": [ "r0", "r30", "r94", "r96", "r106", "r207" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLossAlternate1": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLossAlternate2": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of change in equity resulting from transactions and other events, other than those changes resulting from transactions with owners in their capacity as owners." } }, "en-us": { "role": { "label": "Comprehensive income", "negatedLabel": "Loss and comprehensive loss", "negatedTotalLabel": "Net comprehensive loss" } } }, "localname": "ComprehensiveIncome", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss", "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ComprehensiveIncomeAttributableToAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Comprehensive income attributable to [abstract]", "verboseLabel": "Net comprehensive loss attributable to:" } } }, "localname": "ComprehensiveIncomeAttributableToAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "stringItemType" }, "ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests": { "auth_ref": [ "r0", "r33" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLossAlternate1": { "order": 4.0, "parentTag": "ifrs-full_ComprehensiveIncome", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of comprehensive income attributable to non-controlling interests. [Refer: Comprehensive income; Non-controlling interests]" } }, "en-us": { "role": { "label": "Comprehensive income, attributable to non-controlling interests", "negatedLabel": "Non-controlling interests" } } }, "localname": "ComprehensiveIncomeAttributableToNoncontrollingInterests", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent": { "auth_ref": [ "r0", "r34" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLossAlternate1": { "order": 3.0, "parentTag": "ifrs-full_ComprehensiveIncome", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of comprehensive income attributable to owners of the parent. [Refer: Comprehensive income]" } }, "en-us": { "role": { "label": "Comprehensive income, attributable to owners of parent", "negatedLabel": "Shareholders of NexGen Energy Ltd." } } }, "localname": "ComprehensiveIncomeAttributableToOwnersOfParent", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ComputerEquipmentMember": { "auth_ref": [ "r240" ], "lang": { "en": { "role": { "documentation": "This member stands for a class of property, plant and equipment representing computer equipment. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Computer equipment [member]", "terseLabel": "Computing Equipment [member]", "verboseLabel": "Computer Equipment [member]" } } }, "localname": "ComputerEquipmentMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/PropertyAndEquipmentSummaryOfDetailedInformationAboutPropertyPlantAndEquipmentDetail", "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfDepreciationOverTheEstimatedUsefulLivesOfEachSignificantComponentDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_ComputerSoftwareMember": { "auth_ref": [ "r201" ], "lang": { "en": { "role": { "documentation": "This member stands for a class of intangible assets representing computer software. [Refer: Intangible assets other than goodwill]" } }, "en-us": { "role": { "label": "Computer software [member]", "terseLabel": "Software [member]" } } }, "localname": "ComputerSoftwareMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/PropertyAndEquipmentSummaryOfDetailedInformationAboutPropertyPlantAndEquipmentDetail", "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfDepreciationOverTheEstimatedUsefulLivesOfEachSignificantComponentDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_CurrencyRiskMember": { "auth_ref": [ "r170", "r183", "r184", "r185", "r186" ], "lang": { "en": { "role": { "documentation": "This member stands for a type of market risk representing the risk that the fair value or future cash flows of a financial instrument will fluctuate because of changes in foreign exchange rates. [Refer: Financial instruments, class [member]]" } }, "en-us": { "role": { "label": "Currency risk [member]", "terseLabel": "Amounts held in foreign risk [member]" } } }, "localname": "CurrencyRiskMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_CurrentAssets": { "auth_ref": [ "r20", "r102", "r207" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": 16.0, "parentTag": "ifrs-full_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of assets that the entity (a) expects to realise or intends to sell or consume in its normal operating cycle; (b) holds primarily for the purpose of trading; (c) expects to realise within twelve months after the reporting period; or (d) classifies as cash or cash equivalents (as defined in IAS 7) unless the asset is restricted from being exchanged or used to settle a liability for at least twelve months after the reporting period. [Refer: Assets]" } }, "en-us": { "role": { "label": "Current assets", "totalLabel": "Total Current Assets" } } }, "localname": "CurrentAssets", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentAssetsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Current assets [abstract]", "terseLabel": "Current Assets" } } }, "localname": "CurrentAssetsAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "stringItemType" }, "ifrs-full_CurrentLeaseLiabilities": { "auth_ref": [ "r121" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": 11.0, "parentTag": "ifrs-full_CurrentLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of current lease liabilities. [Refer: Lease liabilities]" } }, "en-us": { "role": { "label": "Current lease liabilities", "terseLabel": "Lease liabilities (Note 10)", "verboseLabel": "Current portion" } } }, "localname": "CurrentLeaseLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition", "http://www.nexgenenergy.ca/role/LeasesScheduleOfLeaseObligationAdoptionDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentLiabilities": { "auth_ref": [ "r21", "r104", "r207" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": 9.0, "parentTag": "ifrs-full_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "Expiry date 2023-01-01: The amount of liabilities that: (a) the entity expects to settle in its normal operating cycle; (b) the entity holds primarily for the purpose of trading; (c) are due to be settled within twelve months after the reporting period; or (d) the entity does not have an unconditional right to defer settlement for at least twelve months after the reporting period.\nEffective 2023-01-01: The amount of liabilities that: (a) the entity expects to settle in its normal operating cycle; (b) the entity holds primarily for the purpose of trading; (c) are due to be settled within twelve months after the reporting period; or (d) the entity does not have the right at the end of the reporting period to defer settlement for at least twelve months after the reporting period." } }, "en-us": { "role": { "label": "Current liabilities", "terseLabel": "Current liabilities", "totalLabel": "Total Current Liabilities" } } }, "localname": "CurrentLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition", "http://www.nexgenenergy.ca/role/FinancialInstrumentsAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentLiabilitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Current liabilities [abstract]", "terseLabel": "Current Liabilities" } } }, "localname": "CurrentLiabilitiesAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "stringItemType" }, "ifrs-full_CurrentPrepaidExpenses": { "auth_ref": [ "r235" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": 19.0, "parentTag": "ifrs-full_CurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount recognised as a current asset for expenditures made prior to the period when the economic benefit will be realised." } }, "en-us": { "role": { "label": "Current prepaid expenses", "verboseLabel": "Prepaid expenses and other assets" } } }, "localname": "CurrentPrepaidExpenses", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised": { "auth_ref": [ "r42" ], "lang": { "en": { "role": { "documentation": "The amount of deductible temporary differences for which no deferred tax asset is recognised in the statement of financial position. [Refer: Temporary differences [member]]" } }, "en-us": { "role": { "label": "Deductible temporary differences for which no deferred tax asset is recognised", "terseLabel": "Temporary Differences", "verboseLabel": "Marketable securities" } } }, "localname": "DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesSignificantComponentsOfTemporaryDifferencesUnusedTaxCreditsAndUnusedTaxLossesDetail", "http://www.nexgenenergy.ca/role/IncomeTaxesSummaryOfDeferredTaxAssetsAndLiabilitiesDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Deferred tax assets and liabilities [abstract]" } } }, "localname": "DeferredTaxAssetsAndLiabilitiesAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss": { "auth_ref": [ "r44" ], "lang": { "en": { "role": { "documentation": "The amount of tax expense or income relating to changes in deferred tax liabilities and deferred tax assets, recognised in profit or loss. [Refer: Deferred tax assets; Deferred tax expense (income); Deferred tax liabilities]" } }, "en-us": { "role": { "label": "Deferred tax expense (income) recognised in profit or loss", "terseLabel": "Recognized in income tax expense" } } }, "localname": "DeferredTaxExpenseIncomeRecognisedInProfitOrLoss", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesSummaryOfMovementInDeferredTaxLiabilityDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DeferredTaxLiabilities": { "auth_ref": [ "r13", "r17", "r43" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": 15.0, "parentTag": "ifrs-full_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amounts of income taxes payable in future periods in respect of taxable temporary differences. [Refer: Temporary differences [member]]" } }, "en-us": { "role": { "label": "Deferred tax liabilities", "terseLabel": "Deferred income tax liabilities (Note 17)" } } }, "localname": "DeferredTaxLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DepreciationExpense": { "auth_ref": [ "r235" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLossAlternate1": { "order": 10.0, "parentTag": "ifrs-full_ExpenseByNature", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of depreciation expense. Depreciation is the systematic allocation of depreciable amounts of tangible assets over their useful lives." } }, "en-us": { "role": { "label": "Depreciation expense", "terseLabel": "Depreciation (Note 7)" } } }, "localname": "DepreciationExpense", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DepreciationPropertyPlantAndEquipment": { "auth_ref": [ "r50", "r53" ], "lang": { "en": { "role": { "documentation": "The amount of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment]" } }, "en-us": { "role": { "label": "Depreciation, property, plant and equipment", "terseLabel": "Depreciation" } } }, "localname": "DepreciationPropertyPlantAndEquipment", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/PropertyAndEquipmentSummaryOfDetailedInformationAboutPropertyPlantAndEquipmentDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DepreciationRightofuseAssets": { "auth_ref": [ "r122" ], "lang": { "en": { "role": { "documentation": "The amount of depreciation of right-of-use assets. [Refer: Depreciation and amortisation expense; Right-of-use assets]" } }, "en-us": { "role": { "label": "Depreciation, right-of-use assets", "negatedLabel": "Depreciation" } } }, "localname": "DepreciationRightofuseAssets", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/LeasesScheduleOfRightOfUseAssetDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DerivativeFinancialLiabilitiesUndiscountedCashFlows": { "auth_ref": [ "r162" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of contractual undiscounted cash flows in relation to derivative financial liabilities. [Refer: Derivative financial liabilities]" } }, "en-us": { "role": { "label": "Derivative financial liabilities, undiscounted cash flows" } } }, "localname": "DerivativeFinancialLiabilitiesUndiscountedCashFlows", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementSummaryOfDetailedInformationAboutSignificantUndiscountedCommitmentsDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForDecommissioningRestorationAndRehabilitationProvisionsExplanatory": { "auth_ref": [ "r252", "r253" ], "lang": { "en": { "role": { "documentation": "Expiry date 2023-01-01: The description of the entity's accounting policy for decommissioning, restoration and rehabilitation provisions. [Refer: Provision for decommissioning, restoration and rehabilitation costs]\nEffective 2023-01-01: The description of the entity's material accounting policy information for decommissioning, restoration and rehabilitation provisions. [Refer: Provision for decommissioning, restoration and rehabilitation costs]" } }, "en-us": { "role": { "label": "Description of accounting policy for decommissioning, restoration and rehabilitation provisions [text block]", "terseLabel": "Decommissioning and restoration provisions" } } }, "localname": "DescriptionOfAccountingPolicyForDecommissioningRestorationAndRehabilitationProvisionsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory": { "auth_ref": [ "r252", "r253" ], "lang": { "en": { "role": { "documentation": "Expiry date 2023-01-01: The description of the entity's accounting policy for earnings per share.\nEffective 2023-01-01: The description of the entity's material accounting policy information for earnings per share." } }, "en-us": { "role": { "label": "Description of accounting policy for earnings per share [text block]", "terseLabel": "Loss per share" } } }, "localname": "DescriptionOfAccountingPolicyForEarningsPerShareExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForExplorationAndEvaluationExpenditures": { "auth_ref": [ "r147" ], "lang": { "en": { "role": { "documentation": "The description of the entity's accounting policy for exploration and evaluation assets. [Refer: Exploration and evaluation assets [member]]" } }, "en-us": { "role": { "label": "Description of accounting policy for exploration and evaluation expenditures [text block]", "terseLabel": "Exploration and evaluation assets" } } }, "localname": "DescriptionOfAccountingPolicyForExplorationAndEvaluationExpenditures", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory": { "auth_ref": [ "r252", "r253" ], "lang": { "en": { "role": { "documentation": "Expiry date 2023-01-01: The description of the entity's accounting policy for financial instruments. [Refer: Financial instruments, class [member]]\nEffective 2023-01-01: The description of the entity's material accounting policy information for financial instruments. [Refer: Financial instruments, class [member]]" } }, "en-us": { "role": { "label": "Description of accounting policy for financial instruments [text block]", "terseLabel": "Financial instruments" } } }, "localname": "DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory": { "auth_ref": [ "r252", "r253" ], "lang": { "en": { "role": { "documentation": "Expiry date 2023-01-01: The description of the entity's accounting policy for the currency of the primary economic environment in which the entity operates.\nEffective 2023-01-01: The description of the entity's material accounting policy information for the currency of the primary economic environment in which the entity operates." } }, "en-us": { "role": { "label": "Description of accounting policy for functional currency [text block]", "terseLabel": "Functional and presentation currency" } } }, "localname": "DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory": { "auth_ref": [ "r252", "r253" ], "lang": { "en": { "role": { "documentation": "Expiry date 2023-01-01: The description of the entity's accounting policy for the impairment of assets.\nEffective 2023-01-01: The description of the entity's material accounting policy information for the impairment of assets." } }, "en-us": { "role": { "label": "Description of accounting policy for impairment of assets [text block]", "terseLabel": "Impairment" } } }, "localname": "DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory": { "auth_ref": [ "r252", "r253" ], "lang": { "en": { "role": { "documentation": "Expiry date 2023-01-01: The description of the entity's accounting policy for income tax.\nEffective 2023-01-01: The description of the entity's material accounting policy information for income tax." } }, "en-us": { "role": { "label": "Description of accounting policy for income tax [text block]", "terseLabel": "Income taxes" } } }, "localname": "DescriptionOfAccountingPolicyForIncomeTaxExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForIssuedCapitalExplanatory": { "auth_ref": [ "r252", "r253" ], "lang": { "en": { "role": { "documentation": "Expiry date 2023-01-01: The description of the entity's accounting policy for issued capital. [Refer: Issued capital]\nEffective 2023-01-01: The description of the entity's material accounting policy information for issued capital. [Refer: Issued capital]" } }, "en-us": { "role": { "label": "Description of accounting policy for issued capital [text block]", "terseLabel": "Share capital" } } }, "localname": "DescriptionOfAccountingPolicyForIssuedCapitalExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory": { "auth_ref": [ "r252", "r253" ], "lang": { "en": { "role": { "documentation": "Expiry date 2023-01-01: The description of the entity's accounting policy for leases. A lease is an agreement whereby the lessor conveys to the lessee in return for a payment or series of payments the right to use an asset for an agreed period of time.\nEffective 2023-01-01: The description of the entity's material accounting policy information for leases. A lease is an agreement whereby the lessor conveys to the lessee in return for a payment or series of payments the right to use an asset for an agreed period of time." } }, "en-us": { "role": { "label": "Description of accounting policy for leases [text block]", "verboseLabel": "Leases" } } }, "localname": "DescriptionOfAccountingPolicyForLeasesExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory": { "auth_ref": [ "r252", "r253" ], "lang": { "en": { "role": { "documentation": "Expiry date 2023-01-01: The description of the entity's accounting policy for property, plant and equipment. [Refer: Property, plant and equipment]\nEffective 2023-01-01: The description of the entity's material accounting policy information for property, plant and equipment. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Description of accounting policy for property, plant and equipment [text block]", "terseLabel": "Equipment" } } }, "localname": "DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory": { "auth_ref": [ "r252", "r253" ], "lang": { "en": { "role": { "documentation": "Expiry date 2023-01-01: The description of the entity's accounting policy for transactions in which the entity: (a) receives goods or services from the supplier of those goods or services (including an employee) in a share-based payment arrangement; or (b) incurs an obligation to settle the transaction with the supplier in a share-based payment arrangement when another group entity receives those goods or services. [Refer: Share-based payment arrangements [member]]\nEffective 2023-01-01: The description of the entity's material accounting policy information for transactions in which the entity: (a) receives goods or services from the supplier of those goods or services (including an employee) in a share-based payment arrangement; or (b) incurs an obligation to settle the transaction with the supplier in a share-based payment arrangement when another group entity receives those goods or services. [Refer: Share-based payment arrangements [member]]" } }, "en-us": { "role": { "label": "Description of accounting policy for share-based payment transactions [text block]", "terseLabel": "Share-based payments" } } }, "localname": "DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory": { "auth_ref": [ "r252", "r253" ], "lang": { "en": { "role": { "documentation": "Expiry date 2023-01-01: The description of the entity's accounting policy for subsidiaries. [Refer: Subsidiaries [member]]\nEffective 2023-01-01: The description of the entity's material accounting policy information for subsidiaries. [Refer: Subsidiaries [member]]" } }, "en-us": { "role": { "label": "Description of accounting policy for subsidiaries [text block]", "terseLabel": "Consolidation" } } }, "localname": "DescriptionOfAccountingPolicyForSubsidiariesExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents": { "auth_ref": [ "r86" ], "lang": { "en": { "role": { "documentation": "The description of the entity's accounting policy used to determine the components of cash and cash equivalents. [Refer: Cash and cash equivalents]" } }, "en-us": { "role": { "label": "Description of accounting policy for determining components of cash and cash equivalents [text block]", "terseLabel": "Cash" } } }, "localname": "DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted": { "auth_ref": [ "r144" ], "lang": { "en": { "role": { "documentation": "The expected volatility of the share price used to calculate the fair value of the share options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time." } }, "en-us": { "role": { "label": "Expected volatility, share options granted", "terseLabel": "Expected stock price volatility" } } }, "localname": "DescriptionOfExpectedVolatilityShareOptionsGranted", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfWeightedAverageGrantDateFairValuesDetail" ], "xbrltype": "percentItemType" }, "ifrs-full_DescriptionOfOptionLifeShareOptionsGranted": { "auth_ref": [ "r144" ], "lang": { "en": { "role": { "documentation": "The option life of share options granted." } }, "en-us": { "role": { "label": "Option life, share options granted", "terseLabel": "Expected life of options" } } }, "localname": "DescriptionOfOptionLifeShareOptionsGranted", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfWeightedAverageGrantDateFairValuesDetail" ], "xbrltype": "decimalItemType" }, "ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted": { "auth_ref": [ "r144" ], "lang": { "en": { "role": { "documentation": "The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for share options granted is expressed, with a remaining term equal to the expected term of the option being valued (based on the option's remaining contractual life and taking into account the effects of expected early exercise). [Refer: Government [member]]" } }, "en-us": { "role": { "label": "Risk free interest rate, share options granted", "terseLabel": "Risk free interest rate" } } }, "localname": "DescriptionOfRiskFreeInterestRateShareOptionsGranted", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfWeightedAverageGrantDateFairValuesDetail" ], "xbrltype": "percentItemType" }, "ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Disclosure of amounts incurred by entity for provision of key management personnel services provided by separate management entities [abstract]" } } }, "localname": "DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table." } }, "en-us": { "role": { "label": "Disclosure of amounts incurred by entity for provision of key management personnel services provided by separate management entities [line items]", "terseLabel": "Disclosure of amounts incurred by entity for provision of key management personnel services provided by separate management entities [line items]" } } }, "localname": "DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsDisclosureOfInformationAboutKeyManagementPersonnelParentheticalDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesTable": { "auth_ref": [ "r60" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to the amounts incurred by the entity for provision of key management personnel services that are provided by separate management entities." } }, "en-us": { "role": { "label": "Disclosure of amounts incurred by entity for provision of key management personnel services provided by separate management entities [table]", "terseLabel": "Disclosure of amounts incurred by entity for provision of key management personnel services provided by separate management entities [table]" } } }, "localname": "DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesTable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsDisclosureOfInformationAboutKeyManagementPersonnelParentheticalDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfBasisOfConsolidationExplanatory": { "auth_ref": [ "r232" ], "lang": { "en": { "role": { "documentation": "The disclosure of the basis used for consolidation." } }, "en-us": { "role": { "label": "Disclosure of basis of consolidation [text block]", "terseLabel": "REPORTING ENTITY" } } }, "localname": "DisclosureOfBasisOfConsolidationExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ReportingEntity" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory": { "auth_ref": [ "r232" ], "lang": { "en": { "role": { "documentation": "The disclosure of the basis used for the preparation of the financial statements." } }, "en-us": { "role": { "label": "Disclosure of basis of preparation of financial statements [text block]", "terseLabel": "BASIS OF PREPARATION" } } }, "localname": "DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/BasisOfPreparation" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfCashFlowStatementExplanatory": { "auth_ref": [ "r88" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for a statement of cash flows." } }, "en-us": { "role": { "label": "Disclosure of cash flow statement [text block]", "verboseLabel": "SUPPLEMENTAL CASH FLOW INFORMATION" } } }, "localname": "DisclosureOfCashFlowStatementExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SupplementalCashFlowInformation" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfClassesOfShareCapitalAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Disclosure of classes of share capital [abstract]" } } }, "localname": "DisclosureOfClassesOfShareCapitalAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfClassesOfShareCapitalLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table." } }, "en-us": { "role": { "label": "Disclosure of classes of share capital [line items]", "terseLabel": "Disclosure of classes of share capital [line items]" } } }, "localname": "DisclosureOfClassesOfShareCapitalLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfClassesOfShareCapitalTable": { "auth_ref": [ "r25" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to classes of share capital." } }, "en-us": { "role": { "label": "Disclosure of classes of share capital [table]", "terseLabel": "Disclosure of classes of share capital [table]" } } }, "localname": "DisclosureOfClassesOfShareCapitalTable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfCreditRiskExposureAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Disclosure of credit risk exposure [abstract]", "terseLabel": "Disclosure Of Credit Risk Exposure [Abstract]" } } }, "localname": "DisclosureOfCreditRiskExposureAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfDeferredTaxesExplanatory": { "auth_ref": [ "r232" ], "lang": { "en": { "role": { "documentation": "The disclosure of deferred taxes. [Refer: Deferred tax liabilities; Deferred tax assets]" } }, "en-us": { "role": { "label": "Disclosure of deferred taxes [text block]", "terseLabel": "Summary of Income Tax (Recovery) Expense" } } }, "localname": "DisclosureOfDeferredTaxesExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory": { "auth_ref": [ "r52" ], "lang": { "en": { "role": { "documentation": "The disclosure of detailed information about property, plant and equipment. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Disclosure of detailed information about property, plant and equipment [text block]", "terseLabel": "Summary of Detailed Information about Property, Plant and Equipment" } } }, "localname": "DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/PropertyAndEquipmentTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory": { "auth_ref": [ "r178" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for operating segments." } }, "en-us": { "role": { "label": "Disclosure of entity's operating segments [text block]", "terseLabel": "SEGMENT INFORMATION" } } }, "localname": "DisclosureOfEntitysReportableSegmentsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SegmentInformation" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfExplorationAndEvaluationAssetsExplanatory": { "auth_ref": [ "r149" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for exploration and evaluation assets." } }, "en-us": { "role": { "label": "Disclosure of exploration and evaluation assets [text block]", "terseLabel": "EXPLORATION AND EVALUATION ASSETS" } } }, "localname": "DisclosureOfExplorationAndEvaluationAssetsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssets" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory": { "auth_ref": [ "r232" ], "lang": { "en": { "role": { "documentation": "The disclosure of the fair value of financial instruments. [Refer: Financial instruments, class [member]; At fair value [member]]" } }, "en-us": { "role": { "label": "Disclosure of fair value of financial instruments [text block]", "verboseLabel": "FINANCIAL INSTRUMENTS AND RISK MANAGEMENT" } } }, "localname": "DisclosureOfFairValueOfFinancialInstrumentsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagement" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfFinancialInstrumentsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Disclosure of detailed information about financial instruments [abstract]" } } }, "localname": "DisclosureOfFinancialInstrumentsAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfFinancialInstrumentsExplanatory": { "auth_ref": [ "r171" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for financial instruments." } }, "en-us": { "role": { "label": "Disclosure of financial instruments [text block]", "verboseLabel": "Schedule of accounting policy for financial instruments" } } }, "localname": "DisclosureOfFinancialInstrumentsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfFinancialInstrumentsLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table." } }, "en-us": { "role": { "label": "Disclosure of detailed information about financial instruments [line items]", "terseLabel": "Disclosure of detailed information about financial instruments [line items]" } } }, "localname": "DisclosureOfFinancialInstrumentsLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesScheduleOfAccountingPolicyForFinancialInstrumentsDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfFinancialInstrumentsTable": { "auth_ref": [ "r153", "r159", "r165" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to details of financial instruments." } }, "en-us": { "role": { "label": "Disclosure of detailed information about financial instruments [table]", "terseLabel": "Disclosure of detailed information about financial instruments [table]" } } }, "localname": "DisclosureOfFinancialInstrumentsTable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesScheduleOfAccountingPolicyForFinancialInstrumentsDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfIncomeTaxExplanatory": { "auth_ref": [ "r46" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for income taxes." } }, "en-us": { "role": { "label": "Disclosure of income tax [text block]", "terseLabel": "INCOME TAXES" } } }, "localname": "DisclosureOfIncomeTaxExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxes" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory": { "auth_ref": [ "r232" ], "lang": { "en": { "role": { "documentation": "The disclosure of information about key management personnel. [Refer: Key management personnel of entity or parent [member]]" } }, "en-us": { "role": { "label": "Disclosure of information about key management personnel [text block]", "terseLabel": "Disclosure of Information About Key Management Personnel" } } }, "localname": "DisclosureOfInformationAboutKeyManagementPersonnelExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfLeasesExplanatory": { "auth_ref": [ "r132", "r133" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for leases." } }, "en-us": { "role": { "label": "LEASES" } } }, "localname": "DisclosureOfLeasesExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/Leases" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Disclosure of maturity analysis for derivative financial liabilities [abstract]" } } }, "localname": "DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table." } }, "en-us": { "role": { "label": "Disclosure of maturity analysis for derivative financial liabilities [line items]" } } }, "localname": "DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementSummaryOfDetailedInformationAboutSignificantUndiscountedCommitmentsDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable": { "auth_ref": [ "r162" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to the maturity analysis for derivative financial liabilities." } }, "en-us": { "role": { "label": "Disclosure of maturity analysis for derivative financial liabilities [table]" } } }, "localname": "DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementSummaryOfDetailedInformationAboutSignificantUndiscountedCommitmentsDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsExplanatory": { "auth_ref": [ "r131" ], "lang": { "en": { "role": { "documentation": "The disclosure of a maturity analysis of operating lease payments. Operating lease is a lease that does not transfer substantially all the risks and rewards incidental to ownership of an underlying asset." } }, "en-us": { "role": { "label": "Disclosure of maturity analysis of operating lease payments [text block]", "terseLabel": "Schedule of Minimum future lease payments relating to the leased assets" } } }, "localname": "DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/LeasesTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory": { "auth_ref": [ "r232" ], "lang": { "en": { "role": { "documentation": "The disclosure of non-controlling interests. [Refer: Non-controlling interests]" } }, "en-us": { "role": { "label": "Disclosure of non-controlling interests [text block]", "terseLabel": "NON-CONTROLLING INTERESTS" } } }, "localname": "DisclosureOfNoncontrollingInterestsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/NonControllingInterests" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory": { "auth_ref": [ "r141" ], "lang": { "en": { "role": { "documentation": "The disclosure of the number and weighted average exercise prices of share options. [Refer: Weighted average [member]]" } }, "en-us": { "role": { "label": "Disclosure of number and weighted average exercise prices of share options [text block]", "terseLabel": "Summary of Stock Option Transactions and the Number of Stock Options" } } }, "localname": "DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Disclosure of number and weighted average remaining contractual life of outstanding share options [abstract]" } } }, "localname": "DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory": { "auth_ref": [ "r143" ], "lang": { "en": { "role": { "documentation": "The disclosure of the number and weighted average remaining contractual life of outstanding share options. [Refer: Weighted average [member]]" } }, "en-us": { "role": { "label": "Disclosure of number and weighted average remaining contractual life of outstanding share options [text block]", "terseLabel": "Summary of Company's Stock Options Outstanding and Exercisable" } } }, "localname": "DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table." } }, "en-us": { "role": { "label": "Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]", "terseLabel": "Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]" } } }, "localname": "DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsTable": { "auth_ref": [ "r143" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to the number and weighted average remaining contractual life of outstanding share options." } }, "en-us": { "role": { "label": "Disclosure of number and weighted average remaining contractual life of outstanding share options [table]", "terseLabel": "Disclosure of number and weighted average remaining contractual life of outstanding share options [table]" } } }, "localname": "DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsTable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory": { "auth_ref": [ "r7" ], "lang": { "en": { "role": { "documentation": "The disclosure of information that enables users of financial statements to evaluate the entity's objectives, policies and processes for managing capital." } }, "en-us": { "role": { "label": "Disclosure of objectives, policies and processes for managing capital [text block]", "terseLabel": "CAPITAL MANAGEMENT" } } }, "localname": "DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/CapitalManagement" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Disclosure of detailed information about property, plant and equipment [abstract]" } } }, "localname": "DisclosureOfPropertyPlantAndEquipmentAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory": { "auth_ref": [ "r54" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for property, plant and equipment." } }, "en-us": { "role": { "label": "Disclosure of property, plant and equipment [text block]", "terseLabel": "PROPERTY AND EQUIPMENT" } } }, "localname": "DisclosureOfPropertyPlantAndEquipmentExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/PropertyAndEquipment" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table." } }, "en-us": { "role": { "label": "Disclosure of detailed information about property, plant and equipment [line items]", "terseLabel": "Disclosure of detailed information about property, plant and equipment [line items]" } } }, "localname": "DisclosureOfPropertyPlantAndEquipmentLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/PropertyAndEquipmentSummaryOfDetailedInformationAboutPropertyPlantAndEquipmentDetail", "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfDepreciationOverTheEstimatedUsefulLivesOfEachSignificantComponentDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable": { "auth_ref": [ "r52" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to details of property, plant and equipment." } }, "en-us": { "role": { "label": "Disclosure of detailed information about property, plant and equipment [table]", "terseLabel": "Disclosure of detailed information about property, plant and equipment [table]" } } }, "localname": "DisclosureOfPropertyPlantAndEquipmentTable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/PropertyAndEquipmentSummaryOfDetailedInformationAboutPropertyPlantAndEquipmentDetail", "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfDepreciationOverTheEstimatedUsefulLivesOfEachSignificantComponentDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Disclosure of quantitative information about right-of-use assets [abstract]" } } }, "localname": "DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory": { "auth_ref": [ "r128" ], "lang": { "en": { "role": { "documentation": "The disclosure of quantitative information about right-of-use assets. [Refer: Right-of-use assets]" } }, "en-us": { "role": { "label": "Schedule of Right-of-use asset" } } }, "localname": "DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/LeasesTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table." } }, "en-us": { "role": { "label": "Disclosure of quantitative information about right-of-use assets [line items]" } } }, "localname": "DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/LeasesScheduleOfRightOfUseAssetDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable": { "auth_ref": [ "r128" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to right-of-use assets." } }, "en-us": { "role": { "label": "Disclosure of quantitative information about right-of-use assets [table]" } } }, "localname": "DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/LeasesScheduleOfRightOfUseAssetDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfRelatedPartyExplanatory": { "auth_ref": [ "r63" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for related parties." } }, "en-us": { "role": { "label": "Disclosure of related party [text block]", "terseLabel": "RELATED PARTY TRANSACTIONS" } } }, "localname": "DisclosureOfRelatedPartyExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/RelatedPartyTransactions" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory": { "auth_ref": [ "r27" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for share capital, reserves and other equity interest." } }, "en-us": { "role": { "label": "Disclosure of share capital, reserves and other equity interest [text block]", "terseLabel": "SHARE CAPITAL" } } }, "localname": "DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapital" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Disclosure of subsidiaries [abstract]" } } }, "localname": "DisclosureOfSignificantInvestmentsInSubsidiariesAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory": { "auth_ref": [ "r66", "r68", "r110" ], "lang": { "en": { "role": { "documentation": "The disclosure of subsidiaries. [Refer: Subsidiaries [member]]" } }, "en-us": { "role": { "label": "Disclosure of subsidiaries [text block]", "terseLabel": "Summary of Company's Ownership Percentage in Each of Its Subsidiaries" } } }, "localname": "DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table." } }, "en-us": { "role": { "label": "Disclosure of subsidiaries [line items]", "terseLabel": "Disclosure of subsidiaries [line items]" } } }, "localname": "DisclosureOfSignificantInvestmentsInSubsidiariesLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfCompanysOwnershipPercentageInEachOfItsSubsidiariesDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable": { "auth_ref": [ "r66", "r68", "r110" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to subsidiaries." } }, "en-us": { "role": { "label": "Disclosure of subsidiaries [table]", "terseLabel": "Disclosure of subsidiaries [table]" } } }, "localname": "DisclosureOfSignificantInvestmentsInSubsidiariesTable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfCompanysOwnershipPercentageInEachOfItsSubsidiariesDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory": { "auth_ref": [ "r190" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for significant accounting policies applied by the entity." } }, "en-us": { "role": { "label": "Disclosure of significant accounting policies [text block]", "terseLabel": "SIGNIFICANT ACCOUNTING POLICIES" } } }, "localname": "DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory": { "auth_ref": [ "r45" ], "lang": { "en": { "role": { "documentation": "The disclosure of types of temporary differences, unused tax losses and unused tax credits. [Refer: Unused tax credits [member]; Unused tax losses [member]; Temporary differences [member]]" } }, "en-us": { "role": { "label": "Disclosure of temporary difference, unused tax losses and unused tax credits [text block]", "terseLabel": "Significant Components of Temporary Differences, Unused Tax Credits and Unused Tax Losses" } } }, "localname": "DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table." } }, "en-us": { "role": { "label": "Disclosure of temporary difference, unused tax losses and unused tax credits [line items]", "terseLabel": "Disclosure of temporary difference, unused tax losses and unused tax credits [line items]" } } }, "localname": "DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesSignificantComponentsOfTemporaryDifferencesUnusedTaxCreditsAndUnusedTaxLossesDetail", "http://www.nexgenenergy.ca/role/IncomeTaxesSummaryOfDeferredTaxAssetsAndLiabilitiesDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable": { "auth_ref": [ "r45" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to temporary differences, unused tax losses and unused tax credits." } }, "en-us": { "role": { "label": "Disclosure of temporary difference, unused tax losses and unused tax credits [table]", "terseLabel": "Disclosure of temporary difference, unused tax losses and unused tax credits [table]" } } }, "localname": "DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesSignificantComponentsOfTemporaryDifferencesUnusedTaxCreditsAndUnusedTaxLossesDetail", "http://www.nexgenenergy.ca/role/IncomeTaxesSummaryOfDeferredTaxAssetsAndLiabilitiesDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Disclosure of terms and conditions of share-based payment arrangement [abstract]" } } }, "localname": "DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisposalsPropertyPlantAndEquipment": { "auth_ref": [ "r49" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The decrease in property, plant and equipment resulting from disposals. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Disposals, property, plant and equipment", "negatedLabel": "Disposals" } } }, "localname": "DisposalsPropertyPlantAndEquipment", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/PropertyAndEquipmentSummaryOfDetailedInformationAboutPropertyPlantAndEquipmentDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents": { "auth_ref": [ "r83", "r84" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 29.0, "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The effect of exchange rate changes on cash and cash equivalents held or due in a foreign currency. [Refer: Cash and cash equivalents]" } }, "en-us": { "role": { "label": "Effect of exchange rate changes on cash and cash equivalents", "verboseLabel": "Foreign exchange gain (loss) on cash" } } }, "localname": "EffectOfExchangeRateChangesOnCashAndCashEquivalents", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_EffectOfOverlayApproachReclassificationAxis": { "auth_ref": [ "r189" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Effect of overlay approach reclassification [axis]", "terseLabel": "Effect of overlay approach reclassification [axis]" } } }, "localname": "EffectOfOverlayApproachReclassificationAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "stringItemType" }, "ifrs-full_EntitysTotalForRelatedPartiesMember": { "auth_ref": [ "r61" ], "lang": { "en": { "role": { "documentation": "This member stands for the standard value for the 'Categories of related parties' axis if no other member is used." } }, "en-us": { "role": { "label": "Entity's total for related parties [member]", "terseLabel": "Entity's total for related parties [member]" } } }, "localname": "EntitysTotalForRelatedPartiesMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsDisclosureOfInformationAboutKeyManagementPersonnelParentheticalDetail", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_EntitysTotalForSubsidiariesMember": { "auth_ref": [ "r66", "r68", "r110" ], "lang": { "en": { "role": { "documentation": "This member stands for the standard value for the 'Subsidiaries' axis if no other member is used." } }, "en-us": { "role": { "label": "Entity's total for subsidiaries [member]", "terseLabel": "Entity's total for subsidiaries [member]" } } }, "localname": "EntitysTotalForSubsidiariesMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail", "http://www.nexgenenergy.ca/role/FlowThroughSharePremiumLiabilityAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/NonControllingInterestsAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail", "http://www.nexgenenergy.ca/role/ReportingEntityAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfCompanysOwnershipPercentageInEachOfItsSubsidiariesDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_Equity": { "auth_ref": [ "r16", "r23", "r93", "r95", "r111", "r112", "r116" ], "calculation": { "http://www.nexgenenergy.ca/role/CapitalManagementSummaryOfDisclosureOfDetailedInformationAboutManagementCapitalExplanatoryDetail": { "order": 3.0, "parentTag": "nxe_EquityAndConvertibleDebentures", "weight": 1.0 }, "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": 1.0, "parentTag": "ifrs-full_EquityAndLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of residual interest in the assets of the entity after deducting all its liabilities." } }, "en-us": { "role": { "label": "Equity", "periodEndLabel": "Ending balance", "periodStartLabel": "Beginning balance", "terseLabel": "Equity", "totalLabel": "Total equity" } } }, "localname": "Equity", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/CapitalManagementSummaryOfDisclosureOfDetailedInformationAboutManagementCapitalExplanatoryDetail", "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity", "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_EquityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Equity [abstract]", "terseLabel": "Equity" } } }, "localname": "EquityAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "stringItemType" }, "ifrs-full_EquityAndLiabilities": { "auth_ref": [ "r16" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of the entity's equity and liabilities. [Refer: Equity; Liabilities]" } }, "en-us": { "role": { "label": "Equity and liabilities", "totalLabel": "Total liabilities and equity" } } }, "localname": "EquityAndLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_EquityAttributableToOwnersOfParent": { "auth_ref": [ "r15" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": 2.0, "parentTag": "ifrs-full_Equity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of equity attributable to the owners of the parent. This specifically excludes non-controlling interest." } }, "en-us": { "role": { "label": "Equity attributable to owners of parent", "totalLabel": "Equity attributable to NexGen Energy Ltd. shareholders" } } }, "localname": "EquityAttributableToOwnersOfParent", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_EquityAttributableToOwnersOfParentMember": { "auth_ref": [ "r5" ], "lang": { "en": { "role": { "documentation": "This member stands for equity attributable to the owners of the parent." } }, "en-us": { "role": { "label": "Equity attributable to owners of parent [member]", "terseLabel": "Attributable to shareholder's of NexGen Energy Ltd [member]" } } }, "localname": "EquityAttributableToOwnersOfParentMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "domainItemType" }, "ifrs-full_EquityMember": { "auth_ref": [ "r5" ], "lang": { "en": { "role": { "documentation": "This member stands for the residual interest in the assets of the entity after deducting all its liabilities. It also represents the standard value for the 'Components of equity' axis if no other member is used." } }, "en-us": { "role": { "label": "Equity [member]", "terseLabel": "Equity [member]" } } }, "localname": "EquityMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted": { "auth_ref": [ "r144" ], "lang": { "en": { "role": { "documentation": "The percentage of an expected dividend used to calculate the fair value of share options granted." } }, "en-us": { "role": { "label": "Expected dividend as percentage, share options granted", "terseLabel": "Expected dividend yield" } } }, "localname": "ExpectedDividendAsPercentageShareOptionsGranted", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfWeightedAverageGrantDateFairValuesDetail" ], "xbrltype": "percentItemType" }, "ifrs-full_ExpenseByNature": { "auth_ref": [ "r37" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLossAlternate1": { "order": 6.0, "parentTag": "ifrs-full_ProfitLossFromOperatingActivities", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of expenses aggregated according to their nature (for example, depreciation, purchases of materials, transport costs, employee benefits and advertising costs), and not reallocated among functions within the entity." } }, "en-us": { "role": { "label": "Expenses, by nature", "totalLabel": "Total value" } } }, "localname": "ExpenseByNature", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets": { "auth_ref": [ "r145" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLossAlternate1": { "order": 11.0, "parentTag": "ifrs-full_ExpenseByNature", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of expense arising from share-based payment transactions in which the goods or services received did not qualify for recognition as assets." } }, "en-us": { "role": { "label": "Expense from share-based payment transactions in which goods or services received did not qualify for recognition as assets", "terseLabel": "Share-based payments (Note 11)" } } }, "localname": "ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed": { "auth_ref": [ "r124" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of the expense relating to short-term leases accounted for applying paragraph 6 of IFRS 16. This expense need not include the expense relating to leases with a lease term of one month or less. Short-term lease is a lease that, at the commencement date, has a lease term of 12 months or less. A lease that contains a purchase option is not a short-term lease." } }, "en-us": { "role": { "label": "Expense relating to short-term leases for which recognition exemption has been used", "verboseLabel": "Expense relating to short-term leases" } } }, "localname": "ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/LeasesSummaryOfAmountsRecognizedInConsolidatedStatementsOfNetLossDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities": { "auth_ref": [ "r125" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of the expense relating to variable lease payments not included in the measurement of lease liabilities. Variable lease payments are the portion of payments made by a lessee to a lessor for the right to use an underlying asset during the lease term that varies because of changes in facts or circumstances occurring after the commencement date, other than the passage of time. [Refer: Lease liabilities]" } }, "en-us": { "role": { "label": "Expense relating to variable lease payments not included in measurement of lease liabilities", "verboseLabel": "Expense relating to variable lease payments" } } }, "localname": "ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/LeasesSummaryOfAmountsRecognizedInConsolidatedStatementsOfNetLossDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ExplorationAndEvaluationAssetsMember": { "auth_ref": [ "r242" ], "lang": { "en": { "role": { "documentation": "This member stands for exploration and evaluation expenditures recognised as assets in accordance with the entity's accounting policy. Exploration and evaluation expenditures are expenditures incurred by an entity in connection with the exploration for, and evaluation of, mineral resources before the technical feasibility and commercial viability of extracting a mineral resource are demonstrable." } }, "en-us": { "role": { "label": "Exploration and evaluation assets [member]", "terseLabel": "Exploration and evaluation assets [member]" } } }, "localname": "ExplorationAndEvaluationAssetsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesSummaryOfDeferredTaxAssetsAndLiabilitiesDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_FinanceIncome": { "auth_ref": [ "r238" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLossAlternate1": { "order": 12.0, "parentTag": "ifrs-full_ProfitLossFromOperatingActivities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of income associated with interest and other financing activities of the entity." } }, "en-us": { "role": { "label": "Finance income", "negatedLabel": "Finance income" } } }, "localname": "FinanceIncome", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember": { "auth_ref": [ "r167" ], "lang": { "en": { "role": { "documentation": "This member stands for the financial assets at amortised cost category. [Refer: Financial assets at amortised cost]" } }, "en-us": { "role": { "label": "Financial assets at amortised cost, category [member]" } } }, "localname": "FinancialAssetsAtAmortisedCostCategoryMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesScheduleOfAccountingPolicyForFinancialInstrumentsDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_FinancialAssetsCategoryMember": { "auth_ref": [ "r169" ], "lang": { "en": { "role": { "documentation": "This member stands for aggregated categories of financial assets. It also represents the standard value for the 'Categories of financial assets' axis if no other member is used. [Refer: Financial assets]" } }, "en-us": { "role": { "label": "Financial assets, category [member]" } } }, "localname": "FinancialAssetsCategoryMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesScheduleOfAccountingPolicyForFinancialInstrumentsDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeCategoryMember": { "auth_ref": [ "r168" ], "lang": { "en": { "role": { "documentation": "This member stands for the financial assets at fair value through other comprehensive income category. [Refer: Financial assets measured at fair value through other comprehensive income]" } }, "en-us": { "role": { "label": "Financial assets measured at fair value through other comprehensive income, category [member]", "verboseLabel": "Financial assets measured at fair value through other comprehensive income, category" } } }, "localname": "FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeCategoryMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesScheduleOfAccountingPolicyForFinancialInstrumentsDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember": { "auth_ref": [ "r166" ], "lang": { "en": { "role": { "documentation": "This member stands for the financial liabilities at fair value through profit or loss category. [Refer: Financial liabilities at fair value through profit or loss]" } }, "en-us": { "role": { "label": "Financial liabilities at fair value through profit or loss, category [member]" } } }, "localname": "FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesScheduleOfAccountingPolicyForFinancialInstrumentsDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_GainLossOnDesignationOfFinancialInstrumentAsMeasuredAtFairValueThroughProfitOrLossBecauseCreditDerivativeIsUsedToManageCreditRisk": { "auth_ref": [ "r152" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLossAlternate2": { "order": 20.0, "parentTag": "ifrs-full_ComprehensiveIncome", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The gain (loss) recognised on designation of a financial instrument, or a proportion of it, as measured at fair value through profit or loss, because a credit derivative is used to manage the credit risk of that financial instrument. [Refer: Credit risk [member]; Derivatives [member]; Financial instruments, class [member]]" } }, "en-us": { "role": { "label": "Gain (loss) on designation of financial instrument as measured at fair value through profit or loss because credit derivative is used to manage credit risk", "negatedLabel": "Change in fair value of convertible debentures attributable to the change in credit risk (Note 9)" } } }, "localname": "GainLossOnDesignationOfFinancialInstrumentAsMeasuredAtFairValueThroughProfitOrLossBecauseCreditDerivativeIsUsedToManageCreditRisk", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "ifrs-full_GainsLossesOnAvailableforsaleFinancialAssets": { "auth_ref": [ "r191" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The gains (losses) on available-for-sale financial assets. [Refer: Financial assets available-for-sale]" } }, "en-us": { "role": { "label": "Gains (losses) on available-for-sale financial assets", "verboseLabel": "Gain on sale of assets" } } }, "localname": "GainsLossesOnAvailableforsaleFinancialAssets", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesParentheticalDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss": { "auth_ref": [ "r8", "r55" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLossAlternate1": { "order": 17.0, "parentTag": "ifrs-full_ProfitLossFromOperatingActivities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of exchange differences recognised in profit or loss that arise from foreign currency transactions, excluding those arising on financial instruments measured at fair value through profit or loss in accordance with IFRS 9. [Refer: At fair value [member]; Financial instruments, class [member]]" } }, "en-us": { "role": { "label": "Foreign exchange gain (loss)", "negatedLabel": "Foreign exchange (gain) loss" } } }, "localname": "GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementLiabilities": { "auth_ref": [ "r115" ], "lang": { "en": { "role": { "documentation": "The gains (losses) including exchange differences recognised in other comprehensive income on the fair value measurement of liabilities. [Refer: At fair value [member]; Other comprehensive income]" } }, "en-us": { "role": { "label": "Comprehensive income (loss)" } } }, "localname": "GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities": { "auth_ref": [ "r114" ], "lang": { "en": { "role": { "documentation": "The gains (losses) including exchange differences recognised in profit or loss on the fair value measurement of liabilities. [Refer: At fair value [member]]" } }, "en-us": { "role": { "label": "Gains (losses) recognised in profit or loss, fair value measurement, liabilities", "terseLabel": "Gains (losses) recognised in profit or loss, fair value measurement, liabilities" } } }, "localname": "GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_GeographicalAreasAxis": { "auth_ref": [ "r177", "r197", "r212", "r220" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Geographical areas [axis]", "terseLabel": "Geographical areas [axis]" } } }, "localname": "GeographicalAreasAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_GeographicalAreasMember": { "auth_ref": [ "r177", "r197", "r212", "r220" ], "lang": { "en": { "role": { "documentation": "This member stands for aggregated geographical areas. It also represents the standard value for the 'Geographical areas' axis if no other member is used." } }, "en-us": { "role": { "label": "Geographical areas [member]", "terseLabel": "Geographical areas [member]" } } }, "localname": "GeographicalAreasMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_InAccordanceWithIFRS9Member": { "auth_ref": [ "r189" ], "lang": { "en": { "role": { "documentation": "This member stands for the information reported in accordance with IFRS 9." } }, "en-us": { "role": { "label": "In accordance with IFRS 9 [member]", "terseLabel": "In accordance with IFRS 9 [member]" } } }, "localname": "InAccordanceWithIFRS9Member", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "domainItemType" }, "ifrs-full_IncomeStatementAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Profit or loss [abstract]", "terseLabel": "Expenses" } } }, "localname": "IncomeStatementAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_IncomeTaxExpenseContinuingOperations": { "auth_ref": [ "r35", "r39", "r40", "r41", "r64", "r109", "r172" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLossAlternate1": { "order": 19.0, "parentTag": "ifrs-full_ProfitLoss", "weight": -1.0 }, "http://www.nexgenenergy.ca/role/IncomeTaxesReconciliationOfIncomeTaxesAtStatutoryRatesDetail": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The aggregate amount included in the determination of profit (loss) for the period in respect of current tax and deferred tax. [Refer: Current tax expense (income); Deferred tax expense (income)]" } }, "en-us": { "role": { "label": "Tax expense (income)", "terseLabel": "Deferred income tax expense (recovery)", "totalLabel": "Deferred income tax expense (recovery)", "verboseLabel": "Deferred income tax (recovery) expense (Note 17)" } } }, "localname": "IncomeTaxExpenseContinuingOperations", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss", "http://www.nexgenenergy.ca/role/IncomeTaxesReconciliationOfIncomeTaxesAtStatutoryRatesDetail", "http://www.nexgenenergy.ca/role/IncomeTaxesSummaryOfIncomeTaxRecoveryExpenseDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents": { "auth_ref": [ "r85" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in cash and cash equivalents after the effect of exchange rate changes on cash and cash equivalents held in foreign currencies. [Refer: Cash and cash equivalents; Effect of exchange rate changes on cash and cash equivalents]" } }, "en-us": { "role": { "label": "Increase (decrease) in cash and cash equivalents", "terseLabel": "Net increase (decrease) in cash", "totalLabel": "(Decrease) increase in cash" } } }, "localname": "IncreaseDecreaseInCashAndCashEquivalents", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows", "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl": { "auth_ref": [ "r4" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in equity through changes in ownership interests in subsidiaries that do not result in loss of control. [Refer: Subsidiaries [member]]" } }, "en-us": { "role": { "label": "Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity", "verboseLabel": "Ownership changes relating to non-controlling interests" } } }, "localname": "IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseThroughExerciseOfOptions": { "auth_ref": [ "r233" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in equity resulting from the exercise of options." } }, "en-us": { "role": { "label": "Increase (decrease) through exercise of options, equity", "negatedLabel": "Shares issued on exercise of stock options (Note 11)", "terseLabel": "Exercise of options" } } }, "localname": "IncreaseDecreaseThroughExerciseOfOptions", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions": { "auth_ref": [ "r4" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in equity resulting from share-based payment transactions. [Refer: Equity]" } }, "en-us": { "role": { "label": "Increase (decrease) through share-based payment transactions, equity", "terseLabel": "Share-based payments" } } }, "localname": "IncreaseDecreaseThroughSharebasedPaymentTransactions", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "monetaryItemType" }, "ifrs-full_InformationOnHowEntityAppliedClassificationRequirementsInIFRS9ToFinancialAssetsWhoseClassificationHasChangedAsResultOfApplyingIFRS9": { "auth_ref": [ "r164" ], "lang": { "en": { "role": { "documentation": "Information on how the entity applied classification requirements in IFRS 9 to financial assets whose classification has changed as a result of applying IFRS 9." } }, "en-us": { "role": { "label": "Information on how entity applied classification requirements in IFRS 9 to financial assets whose classification has changed as result of applying IFRS 9", "terseLabel": "Financial instruments, classified under IFRS 9" } } }, "localname": "InformationOnHowEntityAppliedClassificationRequirementsInIFRS9ToFinancialAssetsWhoseClassificationHasChangedAsResultOfApplyingIFRS9", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesScheduleOfAccountingPolicyForFinancialInstrumentsDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_IntangibleAssetsOtherThanGoodwillMember": { "auth_ref": [ "r73", "r200", "r213" ], "lang": { "en": { "role": { "documentation": "This member stands for intangible assets other than goodwill. It also represents the standard value for the 'Classes of intangible assets other than goodwill' axis if no other member is used. [Refer: Intangible assets other than goodwill]" } }, "en-us": { "role": { "label": "Intangible assets other than goodwill [member]", "terseLabel": "Intangible assets other than goodwill [member]" } } }, "localname": "IntangibleAssetsOtherThanGoodwillMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/PropertyAndEquipmentSummaryOfDetailedInformationAboutPropertyPlantAndEquipmentDetail", "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfDepreciationOverTheEstimatedUsefulLivesOfEachSignificantComponentDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_InterestExpenseOnBonds": { "auth_ref": [ "r235" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of interest expense on bonds issued. [Refer: Interest expense; Bonds issued]" } }, "en-us": { "role": { "label": "Interest expense on bonds", "terseLabel": "Interest expense on bonds" } } }, "localname": "InterestExpenseOnBonds", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_InterestExpenseOnBorrowings": { "auth_ref": [ "r235" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of interest expense on borrowings. [Refer: Interest expense; Borrowings]" } }, "en-us": { "role": { "label": "Interest expense on borrowings", "terseLabel": "Interest expense" } } }, "localname": "InterestExpenseOnBorrowings", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_InterestExpenseOnDebtInstrumentsIssued": { "auth_ref": [ "r235" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLossAlternate1": { "order": 14.0, "parentTag": "ifrs-full_ProfitLossFromOperatingActivities", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of interest expense on debt instruments issued. [Refer: Interest expense; Debt instruments issued]" } }, "en-us": { "role": { "label": "Interest expense on debt instruments issued", "terseLabel": "Interest expense on convertible debentures (Note 9)" } } }, "localname": "InterestExpenseOnDebtInstrumentsIssued", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "ifrs-full_InterestExpenseOnLeaseLiabilities": { "auth_ref": [ "r123" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLossAlternate1": { "order": 15.0, "parentTag": "ifrs-full_ProfitLossFromOperatingActivities", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of interest expense on lease liabilities. [Refer: Lease liabilities]" } }, "en-us": { "role": { "label": "Interest expense on lease liabilities", "terseLabel": "Interest expense on lease liabilities", "verboseLabel": "Interest on lease liabilities (Note 10)" } } }, "localname": "InterestExpenseOnLeaseLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss", "http://www.nexgenenergy.ca/role/LeasesScheduleOfLeaseObligationAdoptionDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_InvestmentPropertyMember": { "auth_ref": [ "r208", "r210", "r235" ], "lang": { "en": { "role": { "documentation": "This member stands for investment property. It also represents the standard value for the 'Types of investment property' axis if no other member is used. [Refer: Investment property]" } }, "en-us": { "role": { "label": "Investment property [member]" } } }, "localname": "InvestmentPropertyMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesDetail", "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesParentheticalDetail", "http://www.nexgenenergy.ca/role/MarketableSecuritiesTables" ], "xbrltype": "domainItemType" }, "ifrs-full_IssueOfEquity": { "auth_ref": [ "r4" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The increase in equity through the issue of equity instruments." } }, "en-us": { "role": { "label": "Issue of equity", "terseLabel": "Issue of equity" } } }, "localname": "IssueOfEquity", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IssuedCapital": { "auth_ref": [ "r194" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": 3.0, "parentTag": "ifrs-full_EquityAttributableToOwnersOfParent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The nominal value of capital issued." } }, "en-us": { "role": { "label": "Issued capital", "terseLabel": "Share capital (Note 11)" } } }, "localname": "IssuedCapital", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IssuedCapitalMember": { "auth_ref": [ "r5" ], "lang": { "en": { "role": { "documentation": "This member stands for a component of equity representing issued capital." } }, "en-us": { "role": { "label": "Issued capital [member]", "terseLabel": "Share Capital [member]" } } }, "localname": "IssuedCapitalMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "domainItemType" }, "ifrs-full_KeyManagementPersonnelCompensation": { "auth_ref": [ "r58" ], "calculation": { "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsDisclosureOfInformationAboutKeyManagementPersonnelDetail": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]]" } }, "en-us": { "role": { "label": "Key management personnel compensation", "totalLabel": "Remuneration attributed to key management personnel" } } }, "localname": "KeyManagementPersonnelCompensation", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsDisclosureOfInformationAboutKeyManagementPersonnelDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment": { "auth_ref": [ "r57" ], "calculation": { "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsDisclosureOfInformationAboutKeyManagementPersonnelDetail": { "order": 2.0, "parentTag": "ifrs-full_KeyManagementPersonnelCompensation", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of compensation to key management personnel in the form of share-based payments. [Refer: Key management personnel of entity or parent [member]]" } }, "en-us": { "role": { "label": "Key management personnel compensation, share-based payment", "terseLabel": "Key management personnel compensation, share-based payment" } } }, "localname": "KeyManagementPersonnelCompensationSharebasedPayment", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsDisclosureOfInformationAboutKeyManagementPersonnelDetail", "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsDisclosureOfInformationAboutKeyManagementPersonnelParentheticalDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits": { "auth_ref": [ "r56" ], "calculation": { "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsDisclosureOfInformationAboutKeyManagementPersonnelDetail": { "order": 1.0, "parentTag": "ifrs-full_KeyManagementPersonnelCompensation", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of compensation to key management personnel in the form of short-term employee benefits. [Refer: Key management personnel of entity or parent [member]]" } }, "en-us": { "role": { "label": "Key management personnel compensation, short-term employee benefits", "terseLabel": "Key management personnel compensation, short-term employee benefits" } } }, "localname": "KeyManagementPersonnelCompensationShorttermEmployeeBenefits", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsDisclosureOfInformationAboutKeyManagementPersonnelDetail", "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsDisclosureOfInformationAboutKeyManagementPersonnelParentheticalDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_LaterThanFiveYearsMember": { "auth_ref": [ "r129", "r131", "r188", "r214", "r216", "r218" ], "lang": { "en": { "role": { "documentation": "This member stands for a time band of later than five years." } }, "en-us": { "role": { "label": "Later than five years [member]", "verboseLabel": "Over 5 years" } } }, "localname": "LaterThanFiveYearsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementSummaryOfDetailedInformationAboutSignificantUndiscountedCommitmentsDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember": { "auth_ref": [ "r214", "r215", "r218" ], "lang": { "en": { "role": { "documentation": "This member stands for a time band of later than one year and not later than three years." } }, "en-us": { "role": { "label": "Later than one year and not later than three years [member]", "verboseLabel": "1 to 3 years" } } }, "localname": "LaterThanOneYearAndNotLaterThanThreeYearsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementSummaryOfDetailedInformationAboutSignificantUndiscountedCommitmentsDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember": { "auth_ref": [ "r129", "r131", "r188", "r214", "r218", "r235" ], "lang": { "en": { "role": { "documentation": "This member stands for a time band of later than three years and not later than four years." } }, "en-us": { "role": { "label": "Later than three years and not later than four years [member]", "verboseLabel": "4 to 5 years" } } }, "localname": "LaterThanThreeYearsAndNotLaterThanFourYearsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementSummaryOfDetailedInformationAboutSignificantUndiscountedCommitmentsDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_LeaseLiabilities": { "auth_ref": [ "r121" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration." } }, "en-us": { "role": { "label": "Lease liabilities", "periodEndLabel": "Balance, end of period", "periodStartLabel": "Lease liabilities, beginning of period" } } }, "localname": "LeaseLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/LeasesScheduleOfLeaseObligationAdoptionDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_LeaseholdImprovementsMember": { "auth_ref": [ "r240" ], "lang": { "en": { "role": { "documentation": "This member stands for a class of property, plant and equipment representing improvements to assets held under a lease agreement." } }, "en-us": { "role": { "label": "Leasehold improvements [member]", "terseLabel": "Leasehold Improvements [member]" } } }, "localname": "LeaseholdImprovementsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfDepreciationOverTheEstimatedUsefulLivesOfEachSignificantComponentDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_Liabilities": { "auth_ref": [ "r16", "r111", "r112", "r116", "r173", "r176" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": 8.0, "parentTag": "ifrs-full_EquityAndLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of a present obligation of the entity to transfer an economic resource as a result of past events. Economic resource is a right that has the potential to produce economic benefits." } }, "en-us": { "role": { "label": "Liabilities", "terseLabel": "Total liabilities", "totalLabel": "Total liabilities" } } }, "localname": "Liabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition", "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_LiabilitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Liabilities [abstract]", "terseLabel": "Liabilities" } } }, "localname": "LiabilitiesAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "stringItemType" }, "ifrs-full_LongtermDeposits": { "auth_ref": [ "r237" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": 21.0, "parentTag": "ifrs-full_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of long-term deposits held by the entity." } }, "en-us": { "role": { "label": "Long-term deposits", "terseLabel": "Deposits" } } }, "localname": "LongtermDeposits", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Major components of tax expense (income) [abstract]" } } }, "localname": "MajorComponentsOfTaxExpenseIncomeAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_MajorOrdinaryShareTransactionsMember": { "auth_ref": [ "r196" ], "lang": { "en": { "role": { "documentation": "This member stands for major ordinary share transactions. [Refer: Ordinary shares [member]]" } }, "en-us": { "role": { "label": "Major ordinary share transactions [member]" } } }, "localname": "MajorOrdinaryShareTransactionsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_MaturityAxis": { "auth_ref": [ "r19", "r119", "r129", "r131", "r151", "r163", "r179", "r180", "r182", "r188", "r198", "r214" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Maturity [axis]" } } }, "localname": "MaturityAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementSummaryOfDetailedInformationAboutSignificantUndiscountedCommitmentsDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_MaximumExposureToCreditRisk": { "auth_ref": [ "r158", "r192" ], "calculation": { "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementSummaryOfMaximumExposureToCreditRiskDetail": { "order": null, "parentTag": null, "root": true, "weight": null } }, "lang": { "en": { "role": { "documentation": "The amount that best represents the maximum exposure to credit risk without taking into account any collateral held or other credit enhancements (for example, netting agreements that do not qualify for offset in accordance with IAS 32). [Refer: Credit risk [member]]" } }, "en-us": { "role": { "label": "Maximum exposure to credit risk", "totalLabel": "Maximum exposure to credit risk" } } }, "localname": "MaximumExposureToCreditRisk", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementSummaryOfMaximumExposureToCreditRiskDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NetDeferredTaxLiabilities": { "auth_ref": [ "r239" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of deferred tax liabilities net of deferred tax assets, when the absolute amount of deferred tax liabilities is greater than the absolute amount of deferred tax assets. [Refer: Deferred tax assets; Deferred tax liabilities]" } }, "en-us": { "role": { "label": "Net deferred tax liabilities", "periodEndLabel": "Net deferred tax liability", "periodStartLabel": "Opening balance", "terseLabel": "Net deferred tax liabilities" } } }, "localname": "NetDeferredTaxLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesSummaryOfDeferredTaxAssetsAndLiabilitiesDetail", "http://www.nexgenenergy.ca/role/IncomeTaxesSummaryOfMovementInDeferredTaxLiabilityDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NewIFRSsAxis": { "auth_ref": [ "r91" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "New IFRSs [axis]" } } }, "localname": "NewIFRSsAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_NewIFRSsMember": { "auth_ref": [ "r91" ], "lang": { "en": { "role": { "documentation": "This member stands for IFRSs that have been issued but are not yet effective. It also represents the standard value for the 'New IFRSs' axis if no other member is used. [Refer: IFRSs [member]]" } }, "en-us": { "role": { "label": "New IFRSs [member]" } } }, "localname": "NewIFRSsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_NonadjustingEventsAfterReportingPeriodAxis": { "auth_ref": [ "r38" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Non-adjusting events after reporting period [axis]", "terseLabel": "Non-adjusting events after reporting period [axis]" } } }, "localname": "NonadjustingEventsAfterReportingPeriodAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_NonadjustingEventsMember": { "auth_ref": [ "r38" ], "lang": { "en": { "role": { "documentation": "This member stands for events that occur between the end of the reporting period and the date when the financial statements are authorised for issue and are indicative of conditions that arose after the reporting period. It also represents the standard value for the 'Non-adjusting events after reporting period' axis if no other member is used." } }, "en-us": { "role": { "label": "Non-adjusting events after reporting period [member]", "terseLabel": "Non-adjusting events after reporting period [member]" } } }, "localname": "NonadjustingEventsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_NoncontrollingInterests": { "auth_ref": [ "r14", "r97", "r99" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": 7.0, "parentTag": "ifrs-full_Equity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of equity in a subsidiary not attributable, directly or indirectly, to a parent. [Refer: Subsidiaries [member]]" } }, "en-us": { "role": { "label": "Non-controlling interests", "terseLabel": "Non-controlling interests", "verboseLabel": "Non-controlling interests (Note 16)" } } }, "localname": "NoncontrollingInterests", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition", "http://www.nexgenenergy.ca/role/NonControllingInterestsAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncontrollingInterestsMember": { "auth_ref": [ "r5" ], "lang": { "en": { "role": { "documentation": "This member stands for equity in a subsidiary not attributable, directly or indirectly, to the parent." } }, "en-us": { "role": { "label": "Non-controlling interests [member]", "terseLabel": "Non-controlling Interests [member]" } } }, "localname": "NoncontrollingInterestsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "domainItemType" }, "ifrs-full_NoncurrentAssets": { "auth_ref": [ "r20", "r103", "r207" ], "calculation": { "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail": { "order": 3.0, "parentTag": "ifrs-full_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of assets that do not meet the definition of current assets. [Refer: Current assets]" } }, "en-us": { "role": { "label": "Non-current assets", "terseLabel": "Non-current assets" } } }, "localname": "NoncurrentAssets", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncurrentAssetsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Non-current assets [abstract]", "terseLabel": "Non-Current Assets" } } }, "localname": "NoncurrentAssetsAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "stringItemType" }, "ifrs-full_NoncurrentLeaseLiabilities": { "auth_ref": [ "r121" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": 14.0, "parentTag": "ifrs-full_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of non-current lease liabilities. [Refer: Lease liabilities]" } }, "en-us": { "role": { "definitionGuidance": "Non-current\u00a0portion", "label": "Non-current lease liabilities", "verboseLabel": "Long-term lease liabilities (Note 10)" } } }, "localname": "NoncurrentLeaseLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition", "http://www.nexgenenergy.ca/role/LeasesScheduleOfLeaseObligationAdoptionDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncurrentLiabilities": { "auth_ref": [ "r21", "r105", "r207" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of liabilities that do not meet the definition of current liabilities. [Refer: Current liabilities]" } }, "en-us": { "role": { "label": "Non-current liabilities", "terseLabel": "Non-current liabilities" } } }, "localname": "NoncurrentLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncurrentLiabilitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Non-current liabilities [abstract]", "terseLabel": "Non-current Liabilities" } } }, "localname": "NoncurrentLiabilitiesAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "stringItemType" }, "ifrs-full_NotLaterThanOneYearMember": { "auth_ref": [ "r18", "r129", "r131", "r188", "r214", "r218" ], "lang": { "en": { "role": { "documentation": "This member stands for a time band of not later than one year." } }, "en-us": { "role": { "label": "Not later than one year [member]", "verboseLabel": "Less than 1 year" } } }, "localname": "NotLaterThanOneYearMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementSummaryOfDetailedInformationAboutSignificantUndiscountedCommitmentsDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_NotesAndDebenturesIssued": { "auth_ref": [ "r235" ], "calculation": { "http://www.nexgenenergy.ca/role/CapitalManagementSummaryOfDisclosureOfDetailedInformationAboutManagementCapitalExplanatoryDetail": { "order": 2.0, "parentTag": "nxe_EquityAndConvertibleDebentures", "weight": 1.0 }, "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": 13.0, "parentTag": "ifrs-full_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of notes and debentures issued by the entity." } }, "en-us": { "role": { "label": "Notes and debentures issued", "terseLabel": "Convertible debentures (Note 9)", "verboseLabel": "Convertible debentures (Note 9)" } } }, "localname": "NotesAndDebenturesIssued", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/CapitalManagementSummaryOfDisclosureOfDetailedInformationAboutManagementCapitalExplanatoryDetail", "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NotionalAmount": { "auth_ref": [ "r235" ], "lang": { "en": { "role": { "documentation": "The nominal or face amount of a financial instrument, used to calculate payments made on that instrument." } }, "en-us": { "role": { "label": "Notional amount", "terseLabel": "Convertible debentures face value" } } }, "localname": "NotionalAmount", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NumberOfOutstandingShareOptions": { "auth_ref": [ "r134", "r139", "r143" ], "lang": { "en": { "role": { "documentation": "The number of share options outstanding in a share-based payment arrangement." } }, "en-us": { "role": { "label": "Number of share options outstanding in share-based payment arrangement", "periodEndLabel": "Number of Stock Options Outstanding, Ending Balance", "periodStartLabel": "Number of Stock Options Outstanding, Beginning Balance", "verboseLabel": "Number of share options outstanding" } } }, "localname": "NumberOfOutstandingShareOptions", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail", "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfStockOptionTransactionsAndTheNumberOfStockOptionsDetail" ], "xbrltype": "decimalItemType" }, "ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement": { "auth_ref": [ "r140" ], "lang": { "en": { "role": { "documentation": "The number of share options exercisable in a share-based payment arrangement." } }, "en-us": { "role": { "label": "Number of share options exercisable in share-based payment arrangement", "periodEndLabel": "Number of Stock Options Outstanding, Number of options exercisable", "verboseLabel": "Number of share options exercisable" } } }, "localname": "NumberOfShareOptionsExercisableInSharebasedPaymentArrangement", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail", "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfStockOptionTransactionsAndTheNumberOfStockOptionsDetail" ], "xbrltype": "decimalItemType" }, "ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement": { "auth_ref": [ "r137" ], "lang": { "en": { "role": { "documentation": "The number of share options exercised in a share-based payment arrangement." } }, "en-us": { "role": { "label": "Number of share options exercised in share-based payment arrangement", "negatedLabel": "Number of Stock Options, Exercised", "terseLabel": "Number of share options exercised" } } }, "localname": "NumberOfShareOptionsExercisedInSharebasedPaymentArrangement", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfStockOptionTransactionsAndTheNumberOfStockOptionsDetail", "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "decimalItemType" }, "ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement": { "auth_ref": [ "r138" ], "lang": { "en": { "role": { "documentation": "The number of share options expired in a share-based payment arrangement." } }, "en-us": { "role": { "label": "Number of share options expired in share-based payment arrangement", "negatedLabel": "Number of Stock Options, Expired" } } }, "localname": "NumberOfShareOptionsExpiredInSharebasedPaymentArrangement", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfStockOptionTransactionsAndTheNumberOfStockOptionsDetail" ], "xbrltype": "decimalItemType" }, "ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement": { "auth_ref": [ "r136" ], "lang": { "en": { "role": { "documentation": "The number of share options forfeited in a share-based payment arrangement." } }, "en-us": { "role": { "label": "Number of share options forfeited in share-based payment arrangement", "negatedLabel": "Number of Stock Options, Forfeited" } } }, "localname": "NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfStockOptionTransactionsAndTheNumberOfStockOptionsDetail" ], "xbrltype": "decimalItemType" }, "ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement": { "auth_ref": [ "r135" ], "lang": { "en": { "role": { "documentation": "The number of share options granted in a share-based payment arrangement." } }, "en-us": { "role": { "label": "Number of share options granted in share-based payment arrangement", "terseLabel": "Number of Stock Options, Granted", "verboseLabel": "Number of share options granted" } } }, "localname": "NumberOfShareOptionsGrantedInSharebasedPaymentArrangement", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfStockOptionTransactionsAndTheNumberOfStockOptionsDetail", "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "decimalItemType" }, "ifrs-full_NumberOfSharesIssued": { "auth_ref": [ "r233" ], "lang": { "en": { "role": { "documentation": "The number of shares issued by the entity." } }, "en-us": { "role": { "definitionGuidance": "Shares issued during period", "label": "Number of shares issued", "verboseLabel": "Common shares issued" } } }, "localname": "NumberOfSharesIssued", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "sharesItemType" }, "ifrs-full_NumberOfSharesOutstanding": { "auth_ref": [ "r24" ], "lang": { "en": { "role": { "documentation": "The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares]" } }, "en-us": { "role": { "label": "Number of shares outstanding", "periodEndLabel": "Ending balance, shares", "periodStartLabel": "Beginning balance, shares" } } }, "localname": "NumberOfSharesOutstanding", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "sharesItemType" }, "ifrs-full_OtherAdjustmentsForNoncashItems": { "auth_ref": [ "r246" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 15.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Adjustments for non-cash items to reconcile profit (loss) to net cash flow from (used in) operating activities that the entity does not separately disclose in the same statement or note. [Refer: Profit (loss)]" } }, "en-us": { "role": { "label": "Other adjustments for non-cash items", "terseLabel": "Other\u00a0non-cash\u00a0items" } } }, "localname": "OtherAdjustmentsForNoncashItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherComprehensiveIncome": { "auth_ref": [ "r3", "r29", "r36", "r107" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of income and expense (including reclassification adjustments) that is not recognised in profit or loss as required or permitted by IFRSs. [Refer: IFRSs [member]]" } }, "en-us": { "role": { "label": "Other comprehensive income", "verboseLabel": "Other comprehensive loss" } } }, "localname": "OtherComprehensiveIncome", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherComprehensiveIncomeAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Other comprehensive income [abstract]", "terseLabel": "Other Comprehensive (Income) Loss" } } }, "localname": "OtherComprehensiveIncomeAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "stringItemType" }, "ifrs-full_OtherCurrentAssets": { "auth_ref": [ "r237" ], "calculation": { "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail": { "order": 2.0, "parentTag": "ifrs-full_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of current assets that the entity does not separately disclose in the same statement or note. [Refer: Current assets]" } }, "en-us": { "role": { "label": "Other current assets", "terseLabel": "Other current assets" } } }, "localname": "OtherCurrentAssets", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherOperatingIncomeExpense": { "auth_ref": [ "r238" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLossAlternate1": { "order": 18.0, "parentTag": "ifrs-full_ProfitLossFromOperatingActivities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of operating income (expense) that the entity does not separately disclose in the same statement or note." } }, "en-us": { "role": { "label": "Other operating income (expense)", "negatedLabel": "Other income" } } }, "localname": "OtherOperatingIncomeExpense", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherReserves": { "auth_ref": [ "r194" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": 4.0, "parentTag": "ifrs-full_EquityAttributableToOwnersOfParent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "A component of equity representing reserves within equity, not including retained earnings. [Refer: Retained earnings]" } }, "en-us": { "role": { "label": "Other reserves", "terseLabel": "Reserves (Note 11)" } } }, "localname": "OtherReserves", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherReservesMember": { "auth_ref": [ "r5", "r26" ], "lang": { "en": { "role": { "documentation": "This member stands for a component of equity representing reserves within equity, not including retained earnings. It also represents the standard value for the 'Reserves within equity' axis if no other member is used. [Refer: Retained earnings]" } }, "en-us": { "role": { "label": "Other reserves [member]", "terseLabel": "Reserves [member]" } } }, "localname": "OtherReservesMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome": { "auth_ref": [ "r40" ], "calculation": { "http://www.nexgenenergy.ca/role/IncomeTaxesReconciliationOfIncomeTaxesAtStatutoryRatesDetail": { "order": 6.0, "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that the entity does not separately disclose in the same statement or note. [Refer: Accounting profit; Applicable tax rate]" } }, "en-us": { "role": { "label": "Other tax effects for reconciliation between accounting profit and tax expense (income)", "terseLabel": "Change in unrecognized deductible temporary differences" } } }, "localname": "OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesReconciliationOfIncomeTaxesAtStatutoryRatesDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities": { "auth_ref": [ "r205" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 24.0, "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The cash outflow for payment of lease liabilities, classified as financing activities. [Refer: Lease liabilities]" } }, "en-us": { "role": { "label": "Payments of lease liabilities, classified as financing activities", "negatedLabel": "Payment of lease liabilities (Note 10)", "negatedTerseLabel": "Payment of lease liabilities" } } }, "localname": "PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows", "http://www.nexgenenergy.ca/role/LeasesScheduleOfLeaseObligationAdoptionDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PresentationOfLeasesForLesseeAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Presentation of leases for lessee [abstract]" } } }, "localname": "PresentationOfLeasesForLesseeAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_ProceedsFromExerciseOfOptions": { "auth_ref": [ "r244" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The cash inflow from the exercise of options." } }, "en-us": { "role": { "label": "Proceeds from exercise of options", "verboseLabel": "Proceeds from exercise of stock options" } } }, "localname": "ProceedsFromExerciseOfOptions", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProceedsFromExerciseOfWarrants": { "auth_ref": [ "r244" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The cash inflow from the exercise of share purchase warrants." } }, "en-us": { "role": { "label": "Proceeds from exercise of warrants", "terseLabel": "Proceeds from exercise of warrants" } } }, "localname": "ProceedsFromExerciseOfWarrants", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/NonControllingInterestsAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProceedsFromIssueOfBondsNotesAndDebentures": { "auth_ref": [ "r244" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 26.0, "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The cash inflow from the issuing of bonds, notes and debentures." } }, "en-us": { "role": { "label": "Proceeds from issue of bonds, notes and debentures", "verboseLabel": "Issuance of convertible debentures from IsoEnergy Ltd., net of issue costs (Note 9)" } } }, "localname": "ProceedsFromIssueOfBondsNotesAndDebentures", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProceedsFromIssueOfOrdinaryShares": { "auth_ref": [ "r244" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The cash inflow from the issuing of ordinary shares. [Refer: Ordinary shares [member]]" } }, "en-us": { "role": { "label": "Proceeds from issue of ordinary shares", "terseLabel": "Proceeds from issue of stock", "verboseLabel": "Net proceeds from issue of ordinary shares" } } }, "localname": "ProceedsFromIssueOfOrdinaryShares", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProceedsFromIssuingShares": { "auth_ref": [ "r204" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 25.0, "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The cash inflow from issuing shares." } }, "en-us": { "role": { "label": "Proceeds from issuing shares", "presentationGuidance": "Shares issued from IsoEnergy Ltd. for cash from private placements, net of share issuance costs" } } }, "localname": "ProceedsFromIssuingShares", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities": { "auth_ref": [ "r203" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 20.0, "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities", "weight": 1.0 }, "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesDetail": { "order": 3.0, "parentTag": "nxe_ProceedsFromDispositionOfProperties", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The cash inflow from sales of property, plant and equipment, classified as investing activities. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "definitionGuidance": "Cash", "label": "Proceeds from sales of property, plant and equipment, classified as investing activities", "terseLabel": "Proceeds on sale of assets", "verboseLabel": "Cash received on sale of marketable securities" } } }, "localname": "ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows", "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProfitLoss": { "auth_ref": [ "r2", "r28", "r82", "r94", "r96", "r173", "r174", "r207", "r219", "r221" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 12.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital", "weight": 1.0 }, "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLossAlternate1": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The total of income less expenses from continuing and discontinued operations, excluding the components of other comprehensive income. [Refer: Other comprehensive income]" } }, "en-us": { "role": { "label": "Profit (loss)", "negatedTotalLabel": "Net loss", "terseLabel": "Net loss for the period", "verboseLabel": "Net loss for the year:" } } }, "localname": "ProfitLoss", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows", "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity", "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProfitLossAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Profit (loss) [abstract]", "terseLabel": "Net loss attributable to:" } } }, "localname": "ProfitLossAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "stringItemType" }, "ifrs-full_ProfitLossAttributableToAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Profit (loss), attributable to [abstract]", "terseLabel": "Loss per share attributable to NexGen Energy Ltd. shareholders" } } }, "localname": "ProfitLossAttributableToAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "stringItemType" }, "ifrs-full_ProfitLossAttributableToNoncontrollingInterests": { "auth_ref": [ "r31", "r98" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss": { "order": 2.0, "parentTag": "ifrs-full_ProfitLoss", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The profit (loss) from continuing and discontinued operations attributable to non-controlling interests. [Refer: Profit (loss); Non-controlling interests]" } }, "en-us": { "role": { "label": "Profit (loss), attributable to non-controlling interests", "negatedLabel": "Non-controlling interests" } } }, "localname": "ProfitLossAttributableToNoncontrollingInterests", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProfitLossAttributableToOwnersOfParent": { "auth_ref": [ "r32" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss": { "order": 1.0, "parentTag": "ifrs-full_ProfitLoss", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The profit (loss) from continuing and discontinued operations attributable to owners of the parent. [Refer: Profit (loss)]" } }, "en-us": { "role": { "label": "Profit (loss), attributable to owners of parent", "negatedLabel": "Shareholders of NexGen Energy Ltd." } } }, "localname": "ProfitLossAttributableToOwnersOfParent", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProfitLossFromOperatingActivities": { "auth_ref": [ "r199", "r238" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLossAlternate1": { "order": 5.0, "parentTag": "ifrs-full_ProfitLoss", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The profit (loss) from operating activities of the entity. [Refer: Profit (loss)]" } }, "en-us": { "role": { "label": "Profit (loss) from operating activities", "negatedLabel": "Loss from operations", "negatedTotalLabel": "Loss before taxes" } } }, "localname": "ProfitLossFromOperatingActivities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss", "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PropertyPlantAndEquipment": { "auth_ref": [ "r9", "r51" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": 23.0, "parentTag": "ifrs-full_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period." } }, "en-us": { "role": { "label": "Property, plant and equipment", "periodEndLabel": "Balance at end of year", "periodStartLabel": "Balance at beginning of year", "terseLabel": "Property and equipment (Note 7)" } } }, "localname": "PropertyPlantAndEquipment", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition", "http://www.nexgenenergy.ca/role/PropertyAndEquipmentSummaryOfDetailedInformationAboutPropertyPlantAndEquipmentDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PropertyPlantAndEquipmentByOperatingLeaseStatusAxis": { "auth_ref": [ "r130" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Property, plant and equipment by operating lease status [axis]", "terseLabel": "Property, plant and equipment by operating lease status [axis]" } } }, "localname": "PropertyPlantAndEquipmentByOperatingLeaseStatusAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/LeasesScheduleOfRightOfUseAssetDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_PropertyPlantAndEquipmentByOperatingLeaseStatusMember": { "auth_ref": [ "r130" ], "lang": { "en": { "role": { "documentation": "This member stands for all property, plant and equipment when disaggregated by the operating lease status by a lessor. It also represents the standard value for the 'Property, plant and equipment by operating lease status' axis if no other member is used. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Property, plant and equipment by operating lease status [member]", "terseLabel": "Property, plant and equipment by operating lease status [member]" } } }, "localname": "PropertyPlantAndEquipmentByOperatingLeaseStatusMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/LeasesScheduleOfRightOfUseAssetDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_PropertyPlantAndEquipmentMember": { "auth_ref": [ "r52", "r200", "r213" ], "lang": { "en": { "role": { "documentation": "This member stands for property, plant and equipment. It also represents the standard value for the 'Classes of property, plant and equipment' axis if no other member is used. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Property, plant and equipment [member]", "terseLabel": "Property, plant and equipment [member]" } } }, "localname": "PropertyPlantAndEquipmentMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/PropertyAndEquipmentSummaryOfDetailedInformationAboutPropertyPlantAndEquipmentDetail", "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfDepreciationOverTheEstimatedUsefulLivesOfEachSignificantComponentDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_ProportionOfOwnershipInterestInSubsidiary": { "auth_ref": [ "r65", "r67", "r101" ], "lang": { "en": { "role": { "documentation": "The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]]" } }, "en-us": { "role": { "label": "Proportion of ownership interest in subsidiary", "terseLabel": "Proportion of ownership interest in subsidiary" } } }, "localname": "ProportionOfOwnershipInterestInSubsidiary", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/NonControllingInterestsAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ReportingEntityAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfCompanysOwnershipPercentageInEachOfItsSubsidiariesDetail" ], "xbrltype": "percentItemType" }, "ifrs-full_PurchaseOfExplorationAndEvaluationAssets": { "auth_ref": [ "r243" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 17.0, "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The cash outflow for the purchase of exploration and evaluation assets. [Refer: Exploration and evaluation assets [member]]" } }, "en-us": { "role": { "label": "Purchase of exploration and evaluation assets", "negatedLabel": "Expenditures on exploration and evaluation assets (Note 6)" } } }, "localname": "PurchaseOfExplorationAndEvaluationAssets", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities": { "auth_ref": [ "r202" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 18.0, "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The cash outflow for the purchases of property, plant and equipment, classified as investing activities. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Purchase of property, plant and equipment, classified as investing activities", "negatedLabel": "Acquisition of equipment, net of disposals" } } }, "localname": "PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_RangeAxis": { "auth_ref": [ "r118", "r143", "r182", "r209", "r211", "r251" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Range [axis]", "terseLabel": "Range [axis]" } } }, "localname": "RangeAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/IncomeTaxesSignificantComponentsOfTemporaryDifferencesUnusedTaxCreditsAndUnusedTaxLossesDetail", "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_RangesMember": { "auth_ref": [ "r118", "r143", "r182", "r209", "r211", "r251" ], "lang": { "en": { "role": { "documentation": "This member stands for aggregate ranges. It also represents the standard value for the 'Range' axis if no other member is used." } }, "en-us": { "role": { "label": "Ranges [member]", "terseLabel": "Ranges [member]" } } }, "localname": "RangesMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/IncomeTaxesSignificantComponentsOfTemporaryDifferencesUnusedTaxCreditsAndUnusedTaxLossesDetail", "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Reconciliation of accounting profit multiplied by applicable tax rates [abstract]", "terseLabel": "Reconciliation of accounting profit multiplied by applicable tax rates [abstract]" } } }, "localname": "ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_RestatedMember": { "auth_ref": [ "r1", "r89", "r90", "r92", "r181", "r236" ], "lang": { "en": { "role": { "documentation": "This member stands for the information currently stated in the financial statements. It also represents the standard value for the 'Retrospective application and retrospective restatement' and 'Departure from requirement of IFRS' axes if no other member is used." } }, "en-us": { "role": { "label": "Currently stated [member]", "terseLabel": "Currently stated [member]" } } }, "localname": "RestatedMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_RetainedEarnings": { "auth_ref": [ "r194", "r195" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": 6.0, "parentTag": "ifrs-full_EquityAttributableToOwnersOfParent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "A component of equity representing the entity's cumulative undistributed earnings or deficit." } }, "en-us": { "role": { "label": "Retained earnings", "terseLabel": "Accumulated deficit" } } }, "localname": "RetainedEarnings", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition", "http://www.nexgenenergy.ca/role/NatureOfOperationsAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_RetainedEarningsMember": { "auth_ref": [ "r5", "r193" ], "lang": { "en": { "role": { "documentation": "This member stands for a component of equity representing an entity's cumulative undistributed earnings or deficit." } }, "en-us": { "role": { "label": "Retained earnings [member]", "terseLabel": "Retained earnings [member]" } } }, "localname": "RetainedEarningsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "domainItemType" }, "ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis": { "auth_ref": [ "r1", "r89", "r90", "r92" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Retrospective application and retrospective restatement [axis]", "terseLabel": "Retrospective application and retrospective restatement [axis]" } } }, "localname": "RetrospectiveApplicationAndRetrospectiveRestatementAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_RightofuseAssets": { "auth_ref": [ "r127" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of assets that represent a lessee's right to use an underlying asset for the lease term. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee." } }, "en-us": { "role": { "label": "Right-of-use assets", "periodEndLabel": "Balance, end of period", "periodStartLabel": "Right-of-use assets, beginning of period", "verboseLabel": "Right-of-use assets" } } }, "localname": "RightofuseAssets", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/LeasesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/LeasesScheduleOfRightOfUseAssetDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_RightofuseAssetsMember": { "auth_ref": [ "r120" ], "lang": { "en": { "role": { "documentation": "This member stands for right-of-use assets. [Refer: Right-of-use assets]" } }, "en-us": { "role": { "label": "Right-of-use assets [member]", "terseLabel": "Lease right-of-use assets" } } }, "localname": "RightofuseAssetsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfDepreciationOverTheEstimatedUsefulLivesOfEachSignificantComponentDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_ShareIssueRelatedCost": { "auth_ref": [ "r233" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of cost related to the issuance of shares." } }, "en-us": { "role": { "label": "Share issue related cost", "verboseLabel": "Commissions during shares issued" } } }, "localname": "ShareIssueRelatedCost", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents": { "auth_ref": [ "r248" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "A classification of cash equivalents representing short-term investments. [Refer: Cash equivalents]" } }, "en-us": { "role": { "definitionGuidance": "Marketable securities", "label": "Short-term investments, classified as cash equivalents" } } }, "localname": "ShorttermInvestmentsClassifiedAsCashEquivalents", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_SignificantInvestmentsInSubsidiariesAxis": { "auth_ref": [ "r66", "r68", "r110" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Subsidiaries [axis]", "terseLabel": "Subsidiaries [axis]" } } }, "localname": "SignificantInvestmentsInSubsidiariesAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail", "http://www.nexgenenergy.ca/role/FlowThroughSharePremiumLiabilityAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/NonControllingInterestsAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail", "http://www.nexgenenergy.ca/role/ReportingEntityAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfCompanysOwnershipPercentageInEachOfItsSubsidiariesDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_StatementOfCashFlowsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Statement of cash flows [abstract]" } } }, "localname": "StatementOfCashFlowsAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_StatementOfChangesInEquityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Statement of changes in equity [abstract]" } } }, "localname": "StatementOfChangesInEquityAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_SubsidiariesWithMaterialNoncontrollingInterestsMember": { "auth_ref": [ "r100" ], "lang": { "en": { "role": { "documentation": "This member stands for subsidiaries that have non-controlling interests that are material to the reporting entity. [Refer: Subsidiaries [member]; Non-controlling interests]" } }, "en-us": { "role": { "label": "Subsidiaries with material non-controlling interests [member]", "terseLabel": "Subsidiaries with material non-controlling interests [member]" } } }, "localname": "SubsidiariesWithMaterialNoncontrollingInterestsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_TaxExpenseIncomeAtApplicableTaxRate": { "auth_ref": [ "r40" ], "calculation": { "http://www.nexgenenergy.ca/role/IncomeTaxesReconciliationOfIncomeTaxesAtStatutoryRatesDetail": { "order": 1.0, "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The product of the accounting profit multiplied by the applicable tax rate(s). [Refer: Accounting profit; Applicable tax rate]" } }, "en-us": { "role": { "label": "Tax expense (income) at applicable tax rate", "terseLabel": "Expected income tax recovery" } } }, "localname": "TaxExpenseIncomeAtApplicableTaxRate", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesReconciliationOfIncomeTaxesAtStatutoryRatesDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis": { "auth_ref": [ "r45" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Temporary difference, unused tax losses and unused tax credits [axis]", "terseLabel": "Temporary difference, unused tax losses and unused tax credits [axis]" } } }, "localname": "TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesDisclosureOfChangeInFairValueOfConvertibleDebenturesAttributableToCreditRiskFluctuationDetail", "http://www.nexgenenergy.ca/role/IncomeTaxesSignificantComponentsOfTemporaryDifferencesUnusedTaxCreditsAndUnusedTaxLossesDetail", "http://www.nexgenenergy.ca/role/IncomeTaxesSummaryOfDeferredTaxAssetsAndLiabilitiesDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember": { "auth_ref": [ "r45" ], "lang": { "en": { "role": { "documentation": "This member stands for temporary differences, unused tax losses and unused tax credits. It also represents the standard value for the 'Temporary difference, unused tax losses and unused tax credits' axis if no other member is used. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]]" } }, "en-us": { "role": { "label": "Temporary difference, unused tax losses and unused tax credits [member]", "terseLabel": "Temporary difference, unused tax losses and unused tax credits [member]" } } }, "localname": "TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesDisclosureOfChangeInFairValueOfConvertibleDebenturesAttributableToCreditRiskFluctuationDetail", "http://www.nexgenenergy.ca/role/IncomeTaxesSignificantComponentsOfTemporaryDifferencesUnusedTaxCreditsAndUnusedTaxLossesDetail", "http://www.nexgenenergy.ca/role/IncomeTaxesSummaryOfDeferredTaxAssetsAndLiabilitiesDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_TopOfRangeMember": { "auth_ref": [ "r118", "r143", "r182", "r209", "r211", "r251" ], "lang": { "en": { "role": { "documentation": "This member stands for top of a range." } }, "en-us": { "role": { "label": "Top of range [member]" } } }, "localname": "TopOfRangeMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_TradeAndOtherCurrentPayables": { "auth_ref": [ "r12" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": 10.0, "parentTag": "ifrs-full_CurrentLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of current trade payables and current other payables. [Refer: Current trade payables; Other current payables]" } }, "en-us": { "role": { "label": "Trade and other current payables", "terseLabel": "Accounts payable and accrued liabilities" } } }, "localname": "TradeAndOtherCurrentPayables", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TradeAndOtherCurrentReceivables": { "auth_ref": [ "r10", "r22" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": 18.0, "parentTag": "ifrs-full_CurrentAssets", "weight": 1.0 }, "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementSummaryOfMaximumExposureToCreditRiskDetail": { "order": 1.0, "parentTag": "ifrs-full_MaximumExposureToCreditRisk", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of current trade receivables and current other receivables. [Refer: Current trade receivables; Other current receivables]" } }, "en-us": { "role": { "label": "Trade and other current receivables", "terseLabel": "Amounts receivable" } } }, "localname": "TradeAndOtherCurrentReceivables", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition", "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementSummaryOfMaximumExposureToCreditRiskDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TypesOfInvestmentPropertyAxis": { "auth_ref": [ "r235" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Types of investment property [axis]" } } }, "localname": "TypesOfInvestmentPropertyAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesDetail", "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesParentheticalDetail", "http://www.nexgenenergy.ca/role/MarketableSecuritiesTables" ], "xbrltype": "stringItemType" }, "ifrs-full_TypesOfRisksAxis": { "auth_ref": [ "r150", "r154", "r155", "r183", "r184", "r185", "r187" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Types of risks [axis]", "terseLabel": "Types of risks [axis]" } } }, "localname": "TypesOfRisksAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_TypesOfRisksMember": { "auth_ref": [ "r150", "r154", "r155", "r183", "r184", "r185", "r187" ], "lang": { "en": { "role": { "documentation": "This member stands for all types of risks. It also represents the standard value for the 'Types of risks' axis if no other member is used." } }, "en-us": { "role": { "label": "Risks [member]", "terseLabel": "Risks [member]" } } }, "localname": "TypesOfRisksMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_UnobservableInputsAxis": { "auth_ref": [ "r113", "r249" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Unobservable inputs [axis]" } } }, "localname": "UnobservableInputsAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesValuationAssumptionsDetail" ], "xbrltype": "stringItemType" }, "ifrs-full_UnobservableInputsMember": { "auth_ref": [ "r113", "r249" ], "lang": { "en": { "role": { "documentation": "This member stands for all the unobservable inputs. It also represents the standard value for the 'Unobservable inputs' axis if no other member is used." } }, "en-us": { "role": { "label": "Unobservable inputs [member]" } } }, "localname": "UnobservableInputsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesValuationAssumptionsDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_ValueAtRisk": { "auth_ref": [ "r250" ], "lang": { "en": { "role": { "documentation": "The measure of a potential loss exposure as a result of future market movements, based on a specified confidence interval and measurement horizon." } }, "en-us": { "role": { "label": "Value at risk", "terseLabel": "Value at risk" } } }, "localname": "ValueAtRisk", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "ifrs-full_VehiclesMember": { "auth_ref": [ "r240" ], "lang": { "en": { "role": { "documentation": "This member stands for a class of property, plant and equipment representing vehicles used in the entity's operations, specifically to include aircraft, motor vehicles and ships. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Vehicles [member]" } } }, "localname": "VehiclesMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/LeasesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfDepreciationOverTheEstimatedUsefulLivesOfEachSignificantComponentDetail" ], "xbrltype": "domainItemType" }, "ifrs-full_WagesAndSalaries": { "auth_ref": [ "r241" ], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLossAlternate1": { "order": 7.0, "parentTag": "ifrs-full_ExpenseByNature", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "A class of employee benefits expense that represents wages and salaries. [Refer: Employee benefits expense]" } }, "en-us": { "role": { "label": "Wages and salaries", "verboseLabel": "Salaries, benefits and directors' fees" } } }, "localname": "WagesAndSalaries", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019": { "auth_ref": [ "r140" ], "lang": { "en": { "role": { "documentation": "The weighted average exercise price of share options exercisable in a share-based payment arrangement. [Refer: Weighted average [member]]" } }, "en-us": { "role": { "label": "Weighted average exercise price of share options exercisable in share-based payment arrangement", "periodEndLabel": "Weighted Average Exercise Price Outstanding, Number of options exercisable", "terseLabel": "Exercise Price" } } }, "localname": "WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail", "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfStockOptionTransactionsAndTheNumberOfStockOptionsDetail" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019": { "auth_ref": [ "r137" ], "lang": { "en": { "role": { "documentation": "The weighted average exercise price of share options exercised in a share-based payment arrangement. [Refer: Weighted average [member]]" } }, "en-us": { "role": { "label": "Weighted average exercise price of share options exercised in share-based payment arrangement", "verboseLabel": "Weighted Average Exercise Price, Exercised" } } }, "localname": "WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfStockOptionTransactionsAndTheNumberOfStockOptionsDetail" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement2019": { "auth_ref": [ "r138" ], "lang": { "en": { "role": { "documentation": "The weighted average exercise price of share options expired in a share-based payment arrangement. [Refer: Weighted average [member]]" } }, "en-us": { "role": { "label": "Weighted average exercise price of share options expired in share-based payment arrangement", "terseLabel": "Weighted Average Exercise Price, Expired" } } }, "localname": "WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement2019", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfStockOptionTransactionsAndTheNumberOfStockOptionsDetail" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019": { "auth_ref": [ "r136" ], "lang": { "en": { "role": { "documentation": "The weighted average exercise price of share options forfeited in a share-based payment arrangement. [Refer: Weighted average [member]]" } }, "en-us": { "role": { "label": "Weighted average exercise price of share options forfeited in share-based payment arrangement", "verboseLabel": "Weighted Average Exercise Price, Forfeited" } } }, "localname": "WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfStockOptionTransactionsAndTheNumberOfStockOptionsDetail" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019": { "auth_ref": [ "r135" ], "lang": { "en": { "role": { "documentation": "The weighted average exercise price of share options granted in a share-based payment arrangement. [Refer: Weighted average [member]]" } }, "en-us": { "role": { "label": "Weighted average exercise price of share options granted in share-based payment arrangement", "terseLabel": "Weighted Average Exercise Price, Granted" } } }, "localname": "WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfStockOptionTransactionsAndTheNumberOfStockOptionsDetail" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019": { "auth_ref": [ "r142" ], "lang": { "en": { "role": { "documentation": "The weighted average share price at the date of exercise for share options that are exercised in a share-based payment arrangement. [Refer: Share-based payment arrangements [member]; Weighted average [member]]" } }, "en-us": { "role": { "label": "Weighted average share price for share options in share-based payment arrangement exercised during period at date of exercise", "terseLabel": "Weighted average share price for share options in share-based payment arrangement exercised during period at date of exercise" } } }, "localname": "WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019": { "auth_ref": [ "r134", "r139" ], "lang": { "en": { "role": { "documentation": "The weighted average exercise price of share options outstanding in a share-based payment arrangement. [Refer: Weighted average [member]]" } }, "en-us": { "role": { "label": "Weighted average exercise price of share options outstanding in share-based payment arrangement", "periodEndLabel": "Weighted Average Exercise Price Outstanding, Ending Balance", "periodStartLabel": "Weighted Average Exercise Price Outstanding, Beginning Balance", "verboseLabel": "Exercise Price" } } }, "localname": "WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail", "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfStockOptionTransactionsAndTheNumberOfStockOptionsDetail" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019": { "auth_ref": [ "r143" ], "lang": { "en": { "role": { "documentation": "The weighted average remaining contractual life of outstanding share options. [Refer: Weighted average [member]]" } }, "en-us": { "role": { "label": "Weighted average remaining contractual life of outstanding share options", "terseLabel": "Remaining Contractual Life" } } }, "localname": "WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "durationItemType" }, "ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019": { "auth_ref": [ "r144" ], "lang": { "en": { "role": { "documentation": "The weighted average share price used as input to the option pricing model to calculate the fair value of share options granted. [Refer: Option pricing model [member]; Weighted average [member]]" } }, "en-us": { "role": { "label": "Weighted average share price, share options granted", "terseLabel": "Weighted average exercise price" } } }, "localname": "WeightedAverageSharePriceShareOptionsGranted2019", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfWeightedAverageGrantDateFairValuesDetail" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Weighted average ordinary shares and adjusted weighted average ordinary shares [abstract]", "terseLabel": "Weighted average common shares outstanding" } } }, "localname": "WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "stringItemType" }, "nxe_AccountsPayableAndAccruedLiabilititesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Accounts Payable And Accrued Liabilitites.", "label": "Accounts Payable And Accrued Liabilitites [Member]", "terseLabel": "Accounts Payable And Accrued Liabilitites [Member]" } } }, "localname": "AccountsPayableAndAccruedLiabilititesMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesScheduleOfAccountingPolicyForFinancialInstrumentsDetail" ], "xbrltype": "domainItemType" }, "nxe_AccountsReceivableMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Accounts Receivable.", "label": "Accounts Receivable [Member]", "terseLabel": "Amounts receivables [Member]" } } }, "localname": "AccountsReceivableMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesScheduleOfAccountingPolicyForFinancialInstrumentsDetail" ], "xbrltype": "domainItemType" }, "nxe_AccumulatedDepreciationMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Accumulated Depreciation [Member]", "terseLabel": "Accumulated Depreciation [member]" } } }, "localname": "AccumulatedDepreciationMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/PropertyAndEquipmentSummaryOfDetailedInformationAboutPropertyPlantAndEquipmentDetail" ], "xbrltype": "domainItemType" }, "nxe_AcquisitionCostsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Acquisition costs.", "label": "Acquisition costs [member]", "terseLabel": "Acquisition cost [member]" } } }, "localname": "AcquisitionCostsMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail" ], "xbrltype": "domainItemType" }, "nxe_AdditionalCashConsiderationPayable": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Additional cash consideration payable.", "label": "Additional Cash Consideration Payable", "verboseLabel": "Additional Cash Consideration Payable" } } }, "localname": "AdditionalCashConsiderationPayable", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_AdditionalCashReceivedFromSaleOfProperties": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Additional cash received from sale of properties.", "label": "Additional Cash Received From Sale Of Properties", "verboseLabel": "Additional cash received from sale of properties" } } }, "localname": "AdditionalCashReceivedFromSaleOfProperties", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_AdditionsToExplorationAndEvaluationAssets": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Additions to exploration and evaluation assets.", "label": "Additions to exploration and evaluation assets", "terseLabel": "Additions" } } }, "localname": "AdditionsToExplorationAndEvaluationAssets", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail" ], "xbrltype": "monetaryItemType" }, "nxe_AdjustmentsForDecreaseIncreaseInDeposits": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 19.0, "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Adjustments for decrease increase in deposits.", "label": "Adjustments For Decrease Increase In Deposits", "terseLabel": "Deposits" } } }, "localname": "AdjustmentsForDecreaseIncreaseInDeposits", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "nxe_AdjustmentsForInterestExpenseOnLeaseLiabilities": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 13.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Adjustments for interest expense on lease liabilities.", "label": "Adjustments For Interest Expense On Lease Liabilities", "verboseLabel": "Interest on lease liabilities (Note 10)" } } }, "localname": "AdjustmentsForInterestExpenseOnLeaseLiabilities", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "nxe_AdjustmentsForMarkToMarketLossGainOnConvertibleDebentures": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 10.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Mark to market loss (gain) on convertible debentures", "label": "Adjustments for mark to market loss gain on convertible debentures", "negatedLabel": "Mark-to-market loss on convertible debenture (Note 9)" } } }, "localname": "AdjustmentsForMarkToMarketLossGainOnConvertibleDebentures", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "nxe_AmountPaidReductionOfReturnRoyalty": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount paid reduction of return royalty", "label": "Amount paid reduction of return royalty", "terseLabel": "Amount paid upon reduction of return royalty" } } }, "localname": "AmountPaidReductionOfReturnRoyalty", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_ArrangementInvolvingLegalFormOfLeaseAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Arrangement involving legal form of lease.", "label": "Arrangement Involving Legal Form Of Lease [Axis]", "terseLabel": "Arrangements involving legal form of lease [axis]" } } }, "localname": "ArrangementInvolvingLegalFormOfLeaseAxis", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/FlowThroughSharePremiumLiabilityAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "nxe_ArrangementInvolvingLegalFormOfLeaseMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Arrangement involving legal form of lease.", "label": "Arrangement Involving Legal Form Of Lease [Member]", "terseLabel": "Arrangements involving legal form of lease [member]" } } }, "localname": "ArrangementInvolvingLegalFormOfLeaseMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/FlowThroughSharePremiumLiabilityAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_BorrowingsInterestRatePayableInCash": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Borrowings, interest rate, payable in cash.", "label": "Borrowings interest rate payable in cash", "terseLabel": "Borrowings, interest rate, payable in cash" } } }, "localname": "BorrowingsInterestRatePayableInCash", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "percentItemType" }, "nxe_BorrowingsInterestRatePayableInCommonShares": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Borrowings, interest rate, payable in common shares.", "label": "Borrowings interest rate payable in common shares", "terseLabel": "Borrowings, interest rate, payable in common shares" } } }, "localname": "BorrowingsInterestRatePayableInCommonShares", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "percentItemType" }, "nxe_CapitalizedShareBasedPayments": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Capitalized share based payments .", "label": "Capitalized Share Based Payments", "terseLabel": "Capitalized share-based payments" } } }, "localname": "CapitalizedShareBasedPayments", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SupplementalCashFlowInformationSummaryOfDetailedInformationAboutNonCashInvestingAndFinancingActivitiesDetail" ], "xbrltype": "monetaryItemType" }, "nxe_CapitalizedToExplorationAndEvaluationAssets": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Capitalized to exploration and evaluation assets.", "label": "Capitalized to Exploration and Evaluation Assets", "terseLabel": "Capitalized to exploration and evaluation assets" } } }, "localname": "CapitalizedToExplorationAndEvaluationAssets", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_CapitalizedToExplorationAndEvaluationAssetsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Capitalized to exploration and evaluation assets.", "label": "Capitalized to exploration and evaluation assets [member]", "terseLabel": "Capitalized to Exploration and Evaluation Assets [member]" } } }, "localname": "CapitalizedToExplorationAndEvaluationAssetsMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsDisclosureOfInformationAboutKeyManagementPersonnelParentheticalDetail" ], "xbrltype": "domainItemType" }, "nxe_CashProceedsOnSaleOfPropertyPlantAndEquipment": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Cash proceeds on sale of property plant and equipment.", "label": "Cash Proceeds On Sale Of Property Plant And Equipment", "terseLabel": "Cash proceeds on sale of property plant and equipment" } } }, "localname": "CashProceedsOnSaleOfPropertyPlantAndEquipment", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_ChangeInFairValueOfConvertibleDebenturesAttributableToChangeInCreditRiskMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Change In Fair Value Of Convertible Debentures Attributable To Change In Credit Risk", "label": "Change In Fair Value Of Convertible Debentures Attributable To Change In Credit Risk [Member]", "terseLabel": "Change In Fair Value Of Convertible Debentures Attributable To Change In Credit Risk" } } }, "localname": "ChangeInFairValueOfConvertibleDebenturesAttributableToChangeInCreditRiskMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesDisclosureOfChangeInFairValueOfConvertibleDebenturesAttributableToCreditRiskFluctuationDetail" ], "xbrltype": "domainItemType" }, "nxe_ChangeInFairValueOfMarketableSecuritiesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Change in Fair Value of Marketable Securities [Member]", "terseLabel": "Change in fair value of marketable securities" } } }, "localname": "ChangeInFairValueOfMarketableSecuritiesMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesDisclosureOfChangeInFairValueOfConvertibleDebenturesAttributableToCreditRiskFluctuationDetail" ], "xbrltype": "domainItemType" }, "nxe_ClaimNoOneMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Claim no one.", "label": "Claim No One [Member]", "terseLabel": "S-113928 to S-113933 [member]" } } }, "localname": "ClaimNoOneMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_ClaimsAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Claims", "label": "Claims [Axis]" } } }, "localname": "ClaimsAxis", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "nxe_ClaimsDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Claims.", "label": "Claims [Domain]" } } }, "localname": "ClaimsDomain", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_ClassOfWarrantsExercisePricePerShare": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Class of warrants exercise price per share .", "label": "Class Of Warrants Exercise Price Per Share", "terseLabel": "Class Of Warrants Exercise Price Per Share" } } }, "localname": "ClassOfWarrantsExercisePricePerShare", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/NonControllingInterestsAdditionalInformationDetail" ], "xbrltype": "perShareItemType" }, "nxe_ClosingSharePrice": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Closing share price.", "label": "Closing Share Price", "terseLabel": "Closing share price" } } }, "localname": "ClosingSharePrice", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "perShareItemType" }, "nxe_CloverGeminiAndTowerUraniumPropertiesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "disclosureGuidance": "Clover, Gemini and Tower Uranium Properties [Member]", "documentation": "Clover, gemini and tower uranium properties.", "label": "Clover, Gemini and Tower Uranium Properties [Member]", "verboseLabel": "Clover, Gemini and Tower uranium properties [Member]" } } }, "localname": "CloverGeminiAndTowerUraniumPropertiesMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesDetail", "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesParentheticalDetail", "http://www.nexgenenergy.ca/role/MarketableSecuritiesTables" ], "xbrltype": "domainItemType" }, "nxe_CommitmentsLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items representing commitments.", "label": "Commitments [line items]", "terseLabel": "Commitments [line items]" } } }, "localname": "CommitmentsLineItems", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/FlowThroughSharePremiumLiabilityAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "nxe_CommitmentsTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Commitments [table]", "label": "Commitments [table]", "terseLabel": "Commitments [table]" } } }, "localname": "CommitmentsTable", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/FlowThroughSharePremiumLiabilityAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "nxe_CommonStockSharesAuthorizedValue": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Common stock shares authorized value.", "label": "Common Stock Shares Authorized Value", "terseLabel": "Common stock shares authorized value" } } }, "localname": "CommonStockSharesAuthorizedValue", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_ConvertibleDebentureConsentFeeMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Convertible Debenture Consent Fee [Member]", "terseLabel": "Convertible Debenture Consent Fee [member]" } } }, "localname": "ConvertibleDebentureConsentFeeMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_ConvertibleDebentures": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Convertible debentures.", "label": "Convertible debentures", "periodEndLabel": "Ending", "periodStartLabel": "Beginning" } } }, "localname": "ConvertibleDebentures", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesDetail" ], "xbrltype": "monetaryItemType" }, "nxe_ConvertibleDebenturesAggregatePrincipalAmount": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Convertible debentures aggregate principal amount.", "label": "Convertible debentures aggregate principal amount", "terseLabel": "Convertible debentures, aggregate principal amount" } } }, "localname": "ConvertibleDebenturesAggregatePrincipalAmount", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_ConvertibleDebenturesAtFairValue": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Convertible debentures at fair value.", "label": "Convertible Debentures At Fair Value", "verboseLabel": "Debentures increased" } } }, "localname": "ConvertibleDebenturesAtFairValue", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_ConvertibleDebenturesConversionPricePerShare": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Convertible debentures conversion price per share.", "label": "Convertible Debentures Conversion Price Per Share", "terseLabel": "Convetible debentures conversion price per share" } } }, "localname": "ConvertibleDebenturesConversionPricePerShare", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "perShareItemType" }, "nxe_ConvertibleDebenturesLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Convertible debentures.", "label": "Convertible debentures [line items]", "terseLabel": "Convertible debentures [line items]" } } }, "localname": "ConvertibleDebenturesLineItems", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesDetail", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesValuationAssumptionsDetail" ], "xbrltype": "stringItemType" }, "nxe_ConvertibleDebenturesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Convertible debentures.", "label": "Convertible Debentures [member]", "terseLabel": "Convertible debentures [member]" } } }, "localname": "ConvertibleDebenturesMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementSummaryOfDetailedInformationAboutSignificantUndiscountedCommitmentsDetail", "http://www.nexgenenergy.ca/role/IncomeTaxesSummaryOfDeferredTaxAssetsAndLiabilitiesDetail", "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesScheduleOfAccountingPolicyForFinancialInstrumentsDetail" ], "xbrltype": "domainItemType" }, "nxe_ConvertibleDebenturesTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Convertible debentures.", "label": "Convertible debentures [table]", "terseLabel": "Convertible debentures [table]" } } }, "localname": "ConvertibleDebenturesTable", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesDetail", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesValuationAssumptionsDetail" ], "xbrltype": "stringItemType" }, "nxe_ConvertibleDebtConversionPrice": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Convertible debt conversion price.", "label": "Convertible Debt Conversion Price", "terseLabel": "Convertible debt, conversion price", "verboseLabel": "Conversion exercise price" } } }, "localname": "ConvertibleDebtConversionPrice", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesValuationAssumptionsDetail" ], "xbrltype": "perShareItemType" }, "nxe_CorporateOfficeLeasesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Corporate office leases.", "label": "Corporate Office Leases [Member]" } } }, "localname": "CorporateOfficeLeasesMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/LeasesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_CostOfDispositionProperties": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesDetail": { "order": 4.0, "parentTag": "nxe_GainLossesOnSaleOfFinancialAssets", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "definitionGuidance": "Cost of disposition properties", "documentation": "Cost of disposition properties.", "label": "Cost Of Disposition Properties", "negatedLabel": "Cost \u2013 disposition of properties" } } }, "localname": "CostOfDispositionProperties", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesDetail", "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesParentheticalDetail" ], "xbrltype": "monetaryItemType" }, "nxe_DeferredExplorationCostMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Deferred Exploration Cost [member]", "label": "Deferred Exploration Cost [member]", "terseLabel": "Deferred Exploration Cost [member]" } } }, "localname": "DeferredExplorationCostMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail" ], "xbrltype": "domainItemType" }, "nxe_DeferredExplorationCostsAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Deferred exploration costs.", "label": "Deferred Exploration Costs [axis]", "terseLabel": "Deferred Exploration Costs [axis]" } } }, "localname": "DeferredExplorationCostsAxis", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail" ], "xbrltype": "stringItemType" }, "nxe_DeferredExplorationCostsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Deferred exploration costs.", "label": "Deferred exploration costs [member]", "terseLabel": "Deferred Exploration Costs [member]" } } }, "localname": "DeferredExplorationCostsMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail" ], "xbrltype": "domainItemType" }, "nxe_DeferredIncomeTaxRecovery": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLossAlternate2": { "order": 22.0, "parentTag": "ifrs-full_ComprehensiveIncome", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Deferred income tax recovery.", "label": "Deferred Income Tax Recovery", "negatedLabel": "Deferred income tax recovery", "negatedTerseLabel": "Deferred income tax expense (recovery) (Note 17)" } } }, "localname": "DeferredIncomeTaxRecovery", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss", "http://www.nexgenenergy.ca/role/IncomeTaxesDisclosureOfChangeInFairValueOfConvertibleDebenturesAttributableToCreditRiskFluctuationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_DeferredTaxExpenseIncomeRecognizedInEquity": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Deferred tax expense income recognized in equity.", "label": "Deferred tax expense income recognized in equity", "negatedLabel": "Recognized in OCI/equity" } } }, "localname": "DeferredTaxExpenseIncomeRecognizedInEquity", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesSummaryOfMovementInDeferredTaxLiabilityDetail" ], "xbrltype": "monetaryItemType" }, "nxe_DescriptionOfAccountingPolicyForFlowThroughSharesExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Description of accounting policy for flow through shares.", "label": "Description Of Accounting Policy For Flow Through Shares [text block]", "terseLabel": "Flow-through shares" } } }, "localname": "DescriptionOfAccountingPolicyForFlowThroughSharesExplanatory", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "nxe_DescriptionOfAccountingPolicyForFutureAccountingPronouncementsExplanatoryTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Description of accounting policy for future accounting pronouncements explanatory.", "label": "Description Of Accounting Policy For Future Accounting Pronouncements Explanatory [Text Block]", "terseLabel": "Future accounting pronouncements" } } }, "localname": "DescriptionOfAccountingPolicyForFutureAccountingPronouncementsExplanatoryTextBlock", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "nxe_DescriptionOfCreditSpreadOnBorrowings": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Description of credit spread on borrowings.", "label": "Description of credit spread on borrowings", "terseLabel": "Credit spread" } } }, "localname": "DescriptionOfCreditSpreadOnBorrowings", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesValuationAssumptionsDetail" ], "xbrltype": "percentItemType" }, "nxe_DescriptionOfExpectedForfeituresShareOptionsGranted": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Description of expected forfeitures share options granted.", "label": "Description Of Expected Forfeitures Share Options Granted", "terseLabel": "Expected forfeitures" } } }, "localname": "DescriptionOfExpectedForfeituresShareOptionsGranted", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfWeightedAverageGrantDateFairValuesDetail" ], "xbrltype": "percentItemType" }, "nxe_DescriptionOfRiskFreeInterestRateOnBorrowings": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Risk free interest rate.", "label": "Description of risk free interest rate on borrowings", "terseLabel": "Risk free interest rate" } } }, "localname": "DescriptionOfRiskFreeInterestRateOnBorrowings", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesValuationAssumptionsDetail" ], "xbrltype": "percentItemType" }, "nxe_DescriptionOfVolatilityOnBorrowings": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Description of volatility on borrowings.", "label": "Description of Volatility on Borrowings", "verboseLabel": "Volatility" } } }, "localname": "DescriptionOfVolatilityOnBorrowings", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesValuationAssumptionsDetail" ], "xbrltype": "percentItemType" }, "nxe_DetailsAboutNetSmelterReturnRoyalty": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Details about net smelter return royalty.", "label": "Details about net smelter return royalty", "terseLabel": "Description about net smelter return royalty" } } }, "localname": "DetailsAboutNetSmelterReturnRoyalty", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "nxe_DetailsOfTemporaryDifferencesUnusedTaxCreditLossesExpiryDate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Details of temporary differences unused tax credit losses expiry date", "label": "Details of temporary differences unused tax credit losses expiry date", "terseLabel": "Expiry Date" } } }, "localname": "DetailsOfTemporaryDifferencesUnusedTaxCreditLossesExpiryDate", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesSignificantComponentsOfTemporaryDifferencesUnusedTaxCreditsAndUnusedTaxLossesDetail" ], "xbrltype": "stringItemType" }, "nxe_DisclosureOfChangeInFairValueOfConvertibleDebenturesAttributableToCreditRiskFluctuationLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure Of Change In Fair Value of Convertible Debentures Attributable To Credit Risk Fluctuation", "label": "Disclosure Of Change In Fair Value of Convertible Debentures Attributable To Credit Risk Fluctuation [Line Items]" } } }, "localname": "DisclosureOfChangeInFairValueOfConvertibleDebenturesAttributableToCreditRiskFluctuationLineItems", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesDisclosureOfChangeInFairValueOfConvertibleDebenturesAttributableToCreditRiskFluctuationDetail" ], "xbrltype": "stringItemType" }, "nxe_DisclosureOfChangeInFairValueOfConvertibleDebenturesAttributableToCreditRiskFluctuationTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure Of Change In Fair Value of Convertible Debentures Attributable To Credit Risk Fluctuation", "label": "Disclosure Of Change In Fair Value of Convertible Debentures Attributable To Credit Risk Fluctuation [Table]" } } }, "localname": "DisclosureOfChangeInFairValueOfConvertibleDebenturesAttributableToCreditRiskFluctuationTable", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesDisclosureOfChangeInFairValueOfConvertibleDebenturesAttributableToCreditRiskFluctuationDetail" ], "xbrltype": "stringItemType" }, "nxe_DisclosureOfChangeInFairValueOfConvertibleDebenturesAttributableToCreditRiskFluctuationTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure Of Change In Fair Value of Convertible Debentures Attributable To Credit Risk Fluctuation", "label": "Disclosure Of Change In Fair Value of Convertible Debentures Attributable To Credit Risk Fluctuation [Text Block]", "verboseLabel": "Disclosure Of Change In Fair Value of Convertible Debentures Attributable To Credit Risk Fluctuation" } } }, "localname": "DisclosureOfChangeInFairValueOfConvertibleDebenturesAttributableToCreditRiskFluctuationTextBlock", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "nxe_DisclosureOfConvertibleDebenturesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of convertible debentures.", "label": "Disclosure of convertible debentures [abstract]" } } }, "localname": "DisclosureOfConvertibleDebenturesAbstract", "nsuri": "http://www.nexgenenergy.ca/20221231", "xbrltype": "stringItemType" }, "nxe_DisclosureOfConvertibleDebenturesExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The entire disclosure of convertible debentures.", "label": "Disclosure of Convertible Debentures [text block]", "terseLabel": "CONVERTIBLE DEBENTURES" } } }, "localname": "DisclosureOfConvertibleDebenturesExplanatory", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebentures" ], "xbrltype": "textBlockItemType" }, "nxe_DisclosureOfDeferredTaxLiabilitiesExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of deferred tax liabilities.", "label": "Disclosure of deferred tax liabilities [text block]", "terseLabel": "Summary of Deferred Tax (Assets) and Liabilities" } } }, "localname": "DisclosureOfDeferredTaxLiabilitiesExplanatory", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "nxe_DisclosureOfDetailedInformationAboutConvertibleDebenturesExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of detailed information about convertible debentures.", "label": "Disclosure of detailed information about convertible debentures Explanatory", "terseLabel": "Summary of Detailed Information about Convertible Debentures" } } }, "localname": "DisclosureOfDetailedInformationAboutConvertibleDebenturesExplanatory", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesTables" ], "xbrltype": "textBlockItemType" }, "nxe_DisclosureOfDetailedInformationAboutConvertibleDebenturesValuationAssumptionsExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of detailed information about convertible debentures valuation assumptions.", "label": "Disclosure of detailed information about convertible debentures valuation assumptions explanatory [text block]", "terseLabel": "Summary of Detailed Information about Convertible Debentures, Valuation Assumptions" } } }, "localname": "DisclosureOfDetailedInformationAboutConvertibleDebenturesValuationAssumptionsExplanatory", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesTables" ], "xbrltype": "textBlockItemType" }, "nxe_DisclosureOfDetailedInformationAboutDeferredTaxLiabilitiesExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of detailed information about deferred tax liabilities.", "label": "Disclosure of detailed information about deferred tax liabilities [text block]", "terseLabel": "Summary of Movement in Deferred Tax Liability" } } }, "localname": "DisclosureOfDetailedInformationAboutDeferredTaxLiabilitiesExplanatory", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "nxe_DisclosureOfDetailedInformationAboutDisposalOfMarketableSecuritiesExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of detailed information about disposal of marketable securities explanatory.", "label": "Disclosure Of Detailed Information About Disposal of Marketable Securities Explanatory", "terseLabel": "Summary of Detailed Information about Disposal of Marketable Securities" } } }, "localname": "DisclosureOfDetailedInformationAboutDisposalOfMarketableSecuritiesExplanatory", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesTables" ], "xbrltype": "textBlockItemType" }, "nxe_DisclosureOfDetailedInformationAboutEstimatedUsefulLifeOrDepreciationRateExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure Of Detailed Information About Estimated Useful Life Or Depreciation Rate [text block]", "label": "Disclosure Of Detailed Information About Estimated Useful Life Or Depreciation Rate [text block]", "terseLabel": "Summary of Depreciation Over the Estimated Useful Lives of Each Significant Component" } } }, "localname": "DisclosureOfDetailedInformationAboutEstimatedUsefulLifeOrDepreciationRateExplanatory", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "nxe_DisclosureOfDetailedInformationAboutExplorationAndEvaluationAssetsExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The disclosure of detailed information about exploration and evaluation assets.", "label": "Disclosure of detailed information about Exploration and evaluation assets [text block]", "terseLabel": "Summary of Capitalized Costs on Projects" } } }, "localname": "DisclosureOfDetailedInformationAboutExplorationAndEvaluationAssetsExplanatory", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsTables" ], "xbrltype": "textBlockItemType" }, "nxe_DisclosureOfDetailedInformationAboutFlowthroughSharePremiumLiabilityExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of detailed information about flow-through share premium liability.", "label": "Disclosure of detailed information about flow-through share premium liability [text block]", "terseLabel": "Summary of Continuity of the Flow-through Share Premium Liability" } } }, "localname": "DisclosureOfDetailedInformationAboutFlowthroughSharePremiumLiabilityExplanatory", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/FlowThroughSharePremiumLiabilityTables" ], "xbrltype": "textBlockItemType" }, "nxe_DisclosureOfDetailedInformationAboutLeaseLiabilitiesExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of lease liabilities explanatory", "label": "Disclosure Of Detailed Information About Lease Liabilities Explanatory", "terseLabel": "Schedule of Lease obligation adoption" } } }, "localname": "DisclosureOfDetailedInformationAboutLeaseLiabilitiesExplanatory", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/LeasesTables" ], "xbrltype": "textBlockItemType" }, "nxe_DisclosureOfDetailedInformationAboutLeaseLiabilitiesLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of detailed information about lease liabilities line items", "label": "Disclosure Of Detailed Information About Lease Liabilities [Line Items]" } } }, "localname": "DisclosureOfDetailedInformationAboutLeaseLiabilitiesLineItems", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/LeasesScheduleOfLeaseObligationAdoptionDetail" ], "xbrltype": "stringItemType" }, "nxe_DisclosureOfDetailedInformationAboutManagementCapitalExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of detailed information about management capital explanatory.", "label": "Disclosure Of Detailed Information About Management Capital Explanatory" } } }, "localname": "DisclosureOfDetailedInformationAboutManagementCapitalExplanatory", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/CapitalManagementTables" ], "xbrltype": "textBlockItemType" }, "nxe_DisclosureOfDetailedInformationAboutOptionsValuationAssumptionsExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure Of Detailed Information About Options Valuation Assumptions [text block]", "label": "Disclosure Of Detailed Information About Options Valuation Assumptions [text block]", "terseLabel": "Summary of Weighted Average Grant Date Fair Values" } } }, "localname": "DisclosureOfDetailedInformationAboutOptionsValuationAssumptionsExplanatory", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalTables" ], "xbrltype": "textBlockItemType" }, "nxe_DisclosureOfExplorationAndEvaluationAssetsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of exploration and evaluation assets abstract.", "label": "Disclosure of exploration and evaluation assets [abstract]" } } }, "localname": "DisclosureOfExplorationAndEvaluationAssetsAbstract", "nsuri": "http://www.nexgenenergy.ca/20221231", "xbrltype": "stringItemType" }, "nxe_DisclosureOfExplorationAndExpenditureAssetsLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of explorations and expenditures assets.", "label": "Disclosure of exploration and expenditure assets [line items]", "terseLabel": "Disclosure of exploration and expenditure assets [line items]" } } }, "localname": "DisclosureOfExplorationAndExpenditureAssetsLineItems", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail" ], "xbrltype": "stringItemType" }, "nxe_DisclosureOfExplorationAndExpenditureAssetsTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of exploration and expenditure assets.", "label": "Disclosure of exploration and expenditure assets [table]", "terseLabel": "Disclosure of exploration and expenditure assets [table]" } } }, "localname": "DisclosureOfExplorationAndExpenditureAssetsTable", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail" ], "xbrltype": "stringItemType" }, "nxe_DisclosureOfFlowthroughSharePremiumLiabilityExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of FLOW-THROUGH SHARE PREMIUM LIABILITY", "label": "Disclosure of FLOWTHROUGH SHARE PREMIUM LIABILITY Explanatory", "terseLabel": "FLOW-THROUGH SHARE PREMIUM LIABILITY" } } }, "localname": "DisclosureOfFlowthroughSharePremiumLiabilityExplanatory", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/FlowThroughSharePremiumLiability" ], "xbrltype": "textBlockItemType" }, "nxe_DisclosureOfGeneralInformationAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of general information.", "label": "Disclosure of general information [abstract]" } } }, "localname": "DisclosureOfGeneralInformationAbstract", "nsuri": "http://www.nexgenenergy.ca/20221231", "xbrltype": "stringItemType" }, "nxe_DisclosureOfGeneralInformationTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of General Information [table]", "label": "Disclosure of General Information [table]", "terseLabel": "Disclosure of General Information [table]" } } }, "localname": "DisclosureOfGeneralInformationTable", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ReportingEntityAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "nxe_DisclosureOfMarketableSecuritiesExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of marketable securities explanatory.", "label": "Disclosure Of Marketable Securities Explanatory", "terseLabel": "MARKETABLE SECURITIES" } } }, "localname": "DisclosureOfMarketableSecuritiesExplanatory", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecurities" ], "xbrltype": "textBlockItemType" }, "nxe_DisclosureOfMarketableSecuritiesLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of marketable securities.", "label": "Disclosure Of Marketable Securities [line Items]" } } }, "localname": "DisclosureOfMarketableSecuritiesLineItems", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesDetail" ], "xbrltype": "stringItemType" }, "nxe_DisclosureOfMarketableSecuritiesTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of marketable securities.", "label": "Disclosure Of Marketable Securities [table]" } } }, "localname": "DisclosureOfMarketableSecuritiesTable", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesDetail" ], "xbrltype": "stringItemType" }, "nxe_DisclosureOfNatureOfOperationsExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of business and nature of operations.", "label": "Disclosure of Nature of Operations [text block]", "terseLabel": "NATURE OF OPERATIONS" } } }, "localname": "DisclosureOfNatureOfOperationsExplanatory", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/NatureOfOperations" ], "xbrltype": "textBlockItemType" }, "nxe_DisclosureOfNonControllingInterestsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of non controlling interests.", "label": "Disclosure Of Non Controlling Interests [abstract]" } } }, "localname": "DisclosureOfNonControllingInterestsAbstract", "nsuri": "http://www.nexgenenergy.ca/20221231", "xbrltype": "stringItemType" }, "nxe_DisclosureOfNoncontrollingInterestsLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of non-controlling interests Line Items", "label": "Disclosure of noncontrolling interests [line items]", "terseLabel": "Disclosure of noncontrolling interests [line items]" } } }, "localname": "DisclosureOfNoncontrollingInterestsLineItems", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/NonControllingInterestsAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail" ], "xbrltype": "stringItemType" }, "nxe_DisclosureOfNoncontrollingInterestsTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of non-controlling interests.", "label": "Disclosure of Non-controlling Interests [table]", "terseLabel": "Disclosure of Non-controlling Interests [table]" } } }, "localname": "DisclosureOfNoncontrollingInterestsTable", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/NonControllingInterestsAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail" ], "xbrltype": "stringItemType" }, "nxe_DisclosureOfReportingEntityLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represents information of reporting entity.", "label": "Disclosure of reporting entity [line items]", "terseLabel": "Disclosure of reporting entity [line items]" } } }, "localname": "DisclosureOfReportingEntityLineItems", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ReportingEntityAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "nxe_DisclosureOfSignificantAccountingPoliciesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of significant accounting policies.", "label": "Disclosure of significant accounting policies [abstract]" } } }, "localname": "DisclosureOfSignificantAccountingPoliciesAbstract", "nsuri": "http://www.nexgenenergy.ca/20221231", "xbrltype": "stringItemType" }, "nxe_DisclosureOfSignificantAccountingPoliciesLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of significant accounting policies [line items]", "label": "Disclosure of significant accounting policies [line items]", "terseLabel": "Disclosure of significant accounting policies [line items]" } } }, "localname": "DisclosureOfSignificantAccountingPoliciesLineItems", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "nxe_DisclosureOfSignificantAccountingPoliciesTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of significant accounting policies [table]", "label": "Disclosure of significant accounting policies [table]", "terseLabel": "Disclosure of significant accounting policies [table]" } } }, "localname": "DisclosureOfSignificantAccountingPoliciesTable", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "nxe_DisclosureOfSummarizedFinancialInformationForSubsidiariesWithMaterialNonControllingInterestsExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of summarized financial information for subsidiaries with material non-controlling interests.", "label": "Disclosure of summarized financial information for subsidiaries with material non-controlling interests [text block]", "terseLabel": "Summary of Financial Information for IsoEnergy Ltd" } } }, "localname": "DisclosureOfSummarizedFinancialInformationForSubsidiariesWithMaterialNonControllingInterestsExplanatory", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/NonControllingInterestsTables" ], "xbrltype": "textBlockItemType" }, "nxe_DisposalsToRightOfUseAssets": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Disposals to right of use assets.", "label": "Disposals To Right Of Use Assets", "verboseLabel": "Disposals" } } }, "localname": "DisposalsToRightOfUseAssets", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/LeasesScheduleOfRightOfUseAssetDetail" ], "xbrltype": "monetaryItemType" }, "nxe_DispositionsToExplorationAndEvaluationAssets": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Dispositions to exploration and evaluation assets.", "label": "Dispositions To Exploration And Evaluation Assets", "verboseLabel": "Dispositions" } } }, "localname": "DispositionsToExplorationAndEvaluationAssets", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail" ], "xbrltype": "monetaryItemType" }, "nxe_DonationsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Donations.", "label": "Donations [Member]", "terseLabel": "Donations [member]" } } }, "localname": "DonationsMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesSignificantComponentsOfTemporaryDifferencesUnusedTaxCreditsAndUnusedTaxLossesDetail" ], "xbrltype": "domainItemType" }, "nxe_EmployeesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Employees [Member].", "label": "Employees [Member]" } } }, "localname": "EmployeesMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsDisclosureOfInformationAboutKeyManagementPersonnelParentheticalDetail" ], "xbrltype": "domainItemType" }, "nxe_EnvironmentalPermittingAndEngagementMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Environmental permitting and engagement.", "label": "Environmental Permitting And Engagement [Member]", "terseLabel": "Environmental, permitting, and engagement [Member]" } } }, "localname": "EnvironmentalPermittingAndEngagementMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail" ], "xbrltype": "domainItemType" }, "nxe_EquipmentDeferredTaxAssetsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Equipment deferred tax assets.", "label": "Equipment deferred tax assets [member]", "terseLabel": "Equipment [member]" } } }, "localname": "EquipmentDeferredTaxAssetsMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesSignificantComponentsOfTemporaryDifferencesUnusedTaxCreditsAndUnusedTaxLossesDetail" ], "xbrltype": "domainItemType" }, "nxe_EquipmentDeferredTaxLiabilitiesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Equipment deferred tax liabilities.", "label": "Equipment deferred tax liabilities [member]", "terseLabel": "Equipment [member]" } } }, "localname": "EquipmentDeferredTaxLiabilitiesMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesSummaryOfDeferredTaxAssetsAndLiabilitiesDetail" ], "xbrltype": "domainItemType" }, "nxe_EquityAndConvertibleDebentures": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/CapitalManagementSummaryOfDisclosureOfDetailedInformationAboutManagementCapitalExplanatoryDetail": { "order": 1.0, "parentTag": "nxe_ManagementCapital", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Equity and convertible debentures.", "label": "Equity And Convertible Debentures", "totalLabel": "Equity And Convertible Debentures" } } }, "localname": "EquityAndConvertibleDebentures", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/CapitalManagementSummaryOfDisclosureOfDetailedInformationAboutManagementCapitalExplanatoryDetail" ], "xbrltype": "monetaryItemType" }, "nxe_EquityTransactionsAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Equity Transactions [axis]", "label": "Equity Transactions [axis]", "terseLabel": "Equity Transactions [axis]" } } }, "localname": "EquityTransactionsAxis", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "nxe_EquityTransactionsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Equity Transactions [member]", "label": "Equity Transactions [member]", "terseLabel": "Equity Transactions [member]" } } }, "localname": "EquityTransactionsMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_EstablishmentFeePercent": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Establishment fee, percent.", "label": "Establishment Fee Percent", "terseLabel": "Establishment fee, percent" } } }, "localname": "EstablishmentFeePercent", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "percentItemType" }, "nxe_EstimatedUsefulLivesOrDepreciationRates": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Estimated useful lives or depreciation rates.", "label": "Estimated Useful Lives or Depreciation Rates", "terseLabel": "Estimated useful lives or depreciation rates" } } }, "localname": "EstimatedUsefulLivesOrDepreciationRates", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfDepreciationOverTheEstimatedUsefulLivesOfEachSignificantComponentDetail" ], "xbrltype": "stringItemType" }, "nxe_EvergreenPropertyMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Evergreen property.", "label": "Evergreen Property [Member]", "terseLabel": "Evergreen Property [member]" } } }, "localname": "EvergreenPropertyMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_ExpectedDividendAsPercentageBorrowings": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Expected dividend as percentage borrowings.", "label": "Expected dividend as percentage borrowings", "terseLabel": "Expected dividend yield" } } }, "localname": "ExpectedDividendAsPercentageBorrowings", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesValuationAssumptionsDetail" ], "xbrltype": "percentItemType" }, "nxe_ExpenseArisingFromExplorationForAndEvaluationOfMineralResources1": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Expense arising from exploration for and evaluation of mineral resources.", "label": "Expense Arising From Exploration For And Evaluation Of Mineral Resources1", "terseLabel": "Expense arising from exploration for and evaluation of mineral resources" } } }, "localname": "ExpenseArisingFromExplorationForAndEvaluationOfMineralResources1", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail" ], "xbrltype": "monetaryItemType" }, "nxe_ExpenseFromEquitySettledShareBasedPaymentTransactions": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Expense from equity settled share based payment transactions.", "label": "Expense From Equity Settled Share Based Payment Transactions", "terseLabel": "Expense from equity settled share based payment transactions" } } }, "localname": "ExpenseFromEquitySettledShareBasedPaymentTransactions", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_ExpensedToTheStatementOfLossProfitAndComprehensiveLossProfitMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Expensed to the statement of loss profit and comprehensive loss profit.", "label": "Expensed to the statement of loss profit and comprehensive loss profit [member]", "terseLabel": "Expensed to the statement of loss profit and comprehensive loss profit [member]" } } }, "localname": "ExpensedToTheStatementOfLossProfitAndComprehensiveLossProfitMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_ExpirationTermOfContingentPayments": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Expiration term of contingent payments.", "label": "Expiration Term Of Contingent Payments", "terseLabel": "Expiration term of contingent payments" } } }, "localname": "ExpirationTermOfContingentPayments", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "durationItemType" }, "nxe_ExplorationAndEvaluationAssetExpendituresIncludedInAccountsPayableAndAccruedLiabilities": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Exploration and evaluation asset expenditures included in accounts payable and accrued liabilities.", "label": "Exploration and evaluation asset expenditures included in accounts payable and accrued liabilities", "verboseLabel": "Exploration and evaluation asset expenditures included in accounts payable and accrued liabilities" } } }, "localname": "ExplorationAndEvaluationAssetExpendituresIncludedInAccountsPayableAndAccruedLiabilities", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SupplementalCashFlowInformationSummaryOfDetailedInformationAboutNonCashInvestingAndFinancingActivitiesDetail" ], "xbrltype": "monetaryItemType" }, "nxe_FairValueAdjustmentConvertibleDebentures": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Fair value adjustment.", "label": "Fair Value Adjustment Convertible Debentures", "terseLabel": "Fair value adjustment" } } }, "localname": "FairValueAdjustmentConvertibleDebentures", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesDetail" ], "xbrltype": "monetaryItemType" }, "nxe_FairValueAtIssuanceConvertibleDebentures": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Fair Value At Issuance Convertible Debentures.", "label": "Fair Value At Issuance Convertible Debentures", "terseLabel": "Fair value on issuance" } } }, "localname": "FairValueAtIssuanceConvertibleDebentures", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesDetail" ], "xbrltype": "monetaryItemType" }, "nxe_FieldEquipmentMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Field equipment.", "label": "Field equipment [member]", "terseLabel": "Field Equipment [member]", "verboseLabel": "Field Equipment and Vehicles [member]" } } }, "localname": "FieldEquipmentMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/PropertyAndEquipmentSummaryOfDetailedInformationAboutPropertyPlantAndEquipmentDetail", "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfDepreciationOverTheEstimatedUsefulLivesOfEachSignificantComponentDetail" ], "xbrltype": "domainItemType" }, "nxe_FivePointEightFourExercisePriceExpiredOnJuneTenthTwoThousandTwentySixMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Five Point Eight Four Exercise Price Expired On June Tenth Two Thousand Twenty Six.", "label": "Five Point Eight Four Exercise Price Expired On June Tenth Two Thousand Twenty Six [Member]", "terseLabel": "5.84 Exercise Price Expire on June 10, 2026 [member]" } } }, "localname": "FivePointEightFourExercisePriceExpiredOnJuneTenthTwoThousandTwentySixMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "domainItemType" }, "nxe_FivePointFiveSevenExercisePriceExpireOnDecemberEighteenTwoThousandAndTwentySevenMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Five point Five Seven exercise price expire on December Eighteen two thousand and Twenty seven", "label": "Five point Five Seven exercise price expire on December Eighteen two thousand and Twenty seven [Member]", "terseLabel": "5.57 Exercise Price Expire on December 18,2027 [member]" } } }, "localname": "FivePointFiveSevenExercisePriceExpireOnDecemberEighteenTwoThousandAndTwentySevenMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "domainItemType" }, "nxe_FivePointFourFourExercisePriceExpiredOnDecemberFourteenthTwoThousandTwentySixMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Five Point Four Four Exercise Price Expired On December Fourteenth Two Thousand Twenty Six.", "label": "Five Point Four Four Exercise Price Expired On December Fourteenth Two Thousand Twenty Six [Member]", "terseLabel": "5.44 Exercise Price Expire on December 14, 2026 [member]" } } }, "localname": "FivePointFourFourExercisePriceExpiredOnDecemberFourteenthTwoThousandTwentySixMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "domainItemType" }, "nxe_FivePointFourOneExercisePriceExpireOnOctoberFourTwoThousandAndTwentySevenMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Five point three one exercise price expire on August seventeen two thousand and Twenty seven", "label": "Five point Four one exercise price expire on October Four two thousand and Twenty seven [Member]", "terseLabel": "5.41 Exercise Price Expire on October 4,2027 [member]" } } }, "localname": "FivePointFourOneExercisePriceExpireOnOctoberFourTwoThousandAndTwentySevenMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "domainItemType" }, "nxe_FivePointOneSixExercisePriceExpiredOnFebruarySixteenTwoThousandTwentySixMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Five Point One Six Exercise Price Expired On February Sixteen Two Thousand Twenty Six.", "label": "Five Point One Six Exercise Price Expired On February Sixteen Two Thousand Twenty Six [Member]", "terseLabel": "5.16 Exercise Price Expire on February 16, 2026 [member]" } } }, "localname": "FivePointOneSixExercisePriceExpiredOnFebruarySixteenTwoThousandTwentySixMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "domainItemType" }, "nxe_FivePointSevenSixExercisePriceExpireOnJanuaryEighteenTwoThousandAndTwentySevenMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Five Point Seven Six Exercise Price Expire On January Eighteen Two Thousand And Twenty Seven", "label": "Five point Seven Six exercise price expire on January Eighteen Two Thousand and Twenty Seven [Member]", "terseLabel": "5.76 Exercise Price Expire on January 18,2027 [member]" } } }, "localname": "FivePointSevenSixExercisePriceExpireOnJanuaryEighteenTwoThousandAndTwentySevenMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "domainItemType" }, "nxe_FivePointThreeOneExercisePriceExpireOnAugustSeventeenTwoThousandAndTwentySevenMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Five point three one exercise price expire on August seventeen two thousand and Twenty seven", "label": "Five point three one exercise price expire on August seventeen two thousand and Twenty seven [Member]", "terseLabel": "5.31 Exercise Price Expire on August 17,2027 [member]" } } }, "localname": "FivePointThreeOneExercisePriceExpireOnAugustSeventeenTwoThousandAndTwentySevenMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "domainItemType" }, "nxe_FlowThroughSharePremiumLiability": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": 12.0, "parentTag": "ifrs-full_CurrentLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The liability amount that will be reduced when the entity makes expenditures for qualified Canadian exploration expenditures (CEE) within a certain time period. This is a current liability if required CEE must be made within the year; otherwise this is a long-term liability.", "label": "Flow-through share premium liability", "periodEndLabel": "Balance, end of the year", "periodStartLabel": "Balance, beginning of the year", "verboseLabel": "Flow-through share premium liability (Note 8)" } } }, "localname": "FlowThroughSharePremiumLiability", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition", "http://www.nexgenenergy.ca/role/FlowThroughSharePremiumLiabilitySummaryOfContinuityOfTheFlowThroughSharePremiumLiabilityDetail" ], "xbrltype": "monetaryItemType" }, "nxe_FlowThroughSharesExpendedOnPropertyExplorationPeriod": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Flow through shares expended on property exploration period.", "label": "Flow through shares expended on property exploration period", "terseLabel": "Flow through shares expended on property exploration period" } } }, "localname": "FlowThroughSharesExpendedOnPropertyExplorationPeriod", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "nxe_FlowthroughSharePremiumLiabilityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Commitments", "label": "FLOWTHROUGH SHARE PREMIUM LIABILITY [Abstract]", "terseLabel": "FLOWTHROUGH SHARE PREMIUM LIABILITY [abstract]" } } }, "localname": "FlowthroughSharePremiumLiabilityAbstract", "nsuri": "http://www.nexgenenergy.ca/20221231", "xbrltype": "stringItemType" }, "nxe_FourPointFiveThreeExercisePriceExpiredOnAprilFirstTwoThousandTwentySixMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Four Point Five Three Exercise Price Expired On April First Two Thousand Twenty Six.", "label": "Four Point Five Three Exercise Price Expired On April First Two Thousand Twenty Six [Member]", "terseLabel": "4.53 Exercise Price Expire on April 1, 2026 [member]" } } }, "localname": "FourPointFiveThreeExercisePriceExpiredOnAprilFirstTwoThousandTwentySixMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "domainItemType" }, "nxe_FourPointNineFiveExercisePriceExpiringOnDecemberElevenTwoThousandAndTwentyFiveMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Four Point Nine Five Exercise Price Expiring On December Eleven Two Thousand And Twenty Five [Member]", "terseLabel": "3.24 Exercise Price Expire on December\u00a011, 2025 [member]" } } }, "localname": "FourPointNineFiveExercisePriceExpiringOnDecemberElevenTwoThousandAndTwentyFiveMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "domainItemType" }, "nxe_GainLossesOnSaleOfFinancialAssets": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 14.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital", "weight": -1.0 }, "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLossAlternate1": { "order": 16.0, "parentTag": "ifrs-full_ProfitLossFromOperatingActivities", "weight": 1.0 }, "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesDetail": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Gain losses on sale of financial assets.", "label": "Gain Losses On Sale of Financial Assets", "negatedLabel": "Loss (gain) on sale of assets (Note 5, 6)", "totalLabel": "Gain on sale of assets" } } }, "localname": "GainLossesOnSaleOfFinancialAssets", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows", "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss", "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesDetail" ], "xbrltype": "monetaryItemType" }, "nxe_GainOnMarkToMarkValuationOfShares": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Gain on mark to mark valuation of shares.", "label": "Gain On Mark To Mark Valuation Of Shares", "verboseLabel": "Gain on mark to mark valuation of shares" } } }, "localname": "GainOnMarkToMarkValuationOfShares", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_GainsLossesOnChangeInMarketableSecurities": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLossAlternate2": { "order": 21.0, "parentTag": "ifrs-full_ComprehensiveIncome", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Gains losses on change in marketable securities.", "label": "Gains Losses On Change In Marketable Securities", "negatedLabel": "Change in fair value of marketable securities (Note 5)" } } }, "localname": "GainsLossesOnChangeInMarketableSecurities", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "nxe_GeigerPropertyMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Geiger property.", "label": "Geiger property [member]", "terseLabel": "Geiger Property [member]" } } }, "localname": "GeigerPropertyMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_GeneralExplorationAndDrillingMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "General exploration and drilling.", "label": "General Exploration And Drilling [Member]", "terseLabel": "General exploration and drilling [Member]" } } }, "localname": "GeneralExplorationAndDrillingMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail" ], "xbrltype": "domainItemType" }, "nxe_GeochemistryAndAssaysMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Geochemistry And Assays [Member]", "terseLabel": "Geochemistry and assays [member]" } } }, "localname": "GeochemistryAndAssaysMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail" ], "xbrltype": "domainItemType" }, "nxe_GeologicalAndGeophysicalMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Geological and geophysical.", "label": "Geological and geophysical [member]", "terseLabel": "Geological and Geophysical [member]" } } }, "localname": "GeologicalAndGeophysicalMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail" ], "xbrltype": "domainItemType" }, "nxe_GoodwillAndOtherIntangibleAssetsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Goodwill and other intangible assets [member]", "label": "Goodwill and other intangible assets [member]", "terseLabel": "Goodwill and other intangible assets [member]" } } }, "localname": "GoodwillAndOtherIntangibleAssetsMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "domainItemType" }, "nxe_GrossOverridingRoyaltyPercentage": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Gross overriding royalty percentage.", "label": "Gross overriding royalty percentage", "terseLabel": "Gross overriding royalty" } } }, "localname": "GrossOverridingRoyaltyPercentage", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail" ], "xbrltype": "percentItemType" }, "nxe_GrossProceedsFromIssuanceOfConvertibleDebentures": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Gross proceeds from issuance of convertible debentures.", "label": "Gross proceeds from issuance of convertible debentures", "terseLabel": "Gross proceeds from issuance of convertible debentures" } } }, "localname": "GrossProceedsFromIssuanceOfConvertibleDebentures", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_GrossProceedsFromIssueOfOrdinaryShares": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Gross proceeds from issue of ordinary shares.", "label": "Gross Proceeds From Issue Of Ordinary Shares" } } }, "localname": "GrossProceedsFromIssueOfOrdinaryShares", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_ImpactOfLossOnConvertibleDebt": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/IncomeTaxesReconciliationOfIncomeTaxesAtStatutoryRatesDetail": { "order": 5.0, "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Impact of loss on convertible debt.", "label": "Impact Of Loss On Convertible Debt", "terseLabel": "Impact of loss on convertible debt" } } }, "localname": "ImpactOfLossOnConvertibleDebt", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesReconciliationOfIncomeTaxesAtStatutoryRatesDetail" ], "xbrltype": "monetaryItemType" }, "nxe_IncludedInExplorationAndEvaluationAssetsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Included in exploration and evaluation assets.", "label": "Included in exploration and evaluation assets [member]", "terseLabel": "Included in exploration and evaluation assets [member]" } } }, "localname": "IncludedInExplorationAndEvaluationAssetsMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_IncreaseDecreaseInNumberOfSharesOutstandingEstablishmentFee": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Increase decrease in number of shares outstanding establishment fee.", "label": "Increase decrease in number of shares outstanding establishment fee", "terseLabel": "Establishment fee (shares)" } } }, "localname": "IncreaseDecreaseInNumberOfSharesOutstandingEstablishmentFee", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "sharesItemType" }, "nxe_IncreaseDecreaseInNumberOfSharesOutstandingExerciseOfOptions": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Exercise of options (shares)", "label": "Increase Decrease In Number Of Shares Outstanding Exercise Of Options", "terseLabel": "Shares issued on exercise of stock options (Note 11) shares", "verboseLabel": "Options exercised, shares" } } }, "localname": "IncreaseDecreaseInNumberOfSharesOutstandingExerciseOfOptions", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "sharesItemType" }, "nxe_IncreaseDecreaseInNumberOfSharesOutstandingIssueOfSharesOnConvertibleDebentureInterestPayment": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Issue of shares on convertible debenture interest payment (shares).", "label": "Increase Decrease In Number Of Shares Outstanding Issue Of Shares On Convertible Debenture Interest Payment", "positiveLabel": "Shares issued for convertible debenture interest payments, shares", "positiveTerseLabel": "Stock issued during period shares", "terseLabel": "Common shares issued" } } }, "localname": "IncreaseDecreaseInNumberOfSharesOutstandingIssueOfSharesOnConvertibleDebentureInterestPayment", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "sharesItemType" }, "nxe_IncreaseDecreaseInWorkingCapitalAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Changes in non-cash working capital items.", "label": "Increase Decrease In Working Capital [abstract]", "terseLabel": "Changes in working capital items:" } } }, "localname": "IncreaseDecreaseInWorkingCapitalAbstract", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "nxe_IncreaseDecreaseThroughEstablishmentFee": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Increase decrease through establishment fee.", "label": "Increase decrease through establishment fee", "terseLabel": "Establishment fee" } } }, "localname": "IncreaseDecreaseThroughEstablishmentFee", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_IncreaseDecreaseThroughIssueOfBroughtDealFinancing": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Increase decrease through issue of brought deal financing.", "label": "Increase Decrease Through Issue Of Brought Deal Financing", "terseLabel": "Stock issued during period value through bought deal financing" } } }, "localname": "IncreaseDecreaseThroughIssueOfBroughtDealFinancing", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_IncreaseDecreaseThroughIssueOfBroughtDealFinancingNetOfShareIssueCosts": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Increase Decrease Through Issue Of Brought Deal Financing Net Of Share Issue Costs.", "label": "Increase Decrease Through Issue Of Brought Deal Financing Net Of Share Issue Costs", "verboseLabel": "Shares issued on bought-deal financing, net of share issue costs (Note 11)" } } }, "localname": "IncreaseDecreaseThroughIssueOfBroughtDealFinancingNetOfShareIssueCosts", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "monetaryItemType" }, "nxe_IncreaseDecreaseThroughIssueOfBroughtDealFinancingShares": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Increase Decrease Through Issue Of Brought Deal Financing Shares.", "label": "Increase Decrease Through Issue Of Brought Deal Financing Shares", "terseLabel": "Stock issued during period through bought deal financing", "verboseLabel": "Shares issued on bought-deal financing, net of share issue costs (Note 11), shares" } } }, "localname": "IncreaseDecreaseThroughIssueOfBroughtDealFinancingShares", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "sharesItemType" }, "nxe_IncreaseDecreaseThroughIssueOfSharesOnAustralianStockExchange": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Increase decrease through issue of shares on australian stock exchange", "label": "Increase Decrease Through Issue Of Shares On Australian Stock Exchange", "verboseLabel": "Shares issued on ASX, net of share issue costs (Note 11), shares" } } }, "localname": "IncreaseDecreaseThroughIssueOfSharesOnAustralianStockExchange", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "sharesItemType" }, "nxe_IncreaseDecreaseThroughIssueOfSharesOnConvertibleDebenture": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Increase decrease through issue of shares on convertible debenture.", "label": "Increase Decrease Through Issue Of Shares On Convertible Debenture", "verboseLabel": "Shares issued on converted debentures (Note 9), shares" } } }, "localname": "IncreaseDecreaseThroughIssueOfSharesOnConvertibleDebenture", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "sharesItemType" }, "nxe_IncreaseDecreaseThroughIssueOfSharesOnConvertibleDebentureInterestPayment": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Issue of shares on convertible debenture interest payment.", "label": "Increase Decrease Through Issue Of Shares On Convertible Debenture Interest Payment", "positiveLabel": "Stock issued during value", "terseLabel": "Issue of shares on convertible debenture interest payment", "verboseLabel": "Shares issued for convertible debenture interest payments" } } }, "localname": "IncreaseDecreaseThroughIssueOfSharesOnConvertibleDebentureInterestPayment", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_IncreaseDecreaseThroughIssueOfSharesOnPropertyDevelopment": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Increase decrease through issue of shares on property development.", "label": "Increase Decrease Through Issue Of Shares On Property Development", "verboseLabel": "Shares issued for the Rook 1 property development (Note 11), shares" } } }, "localname": "IncreaseDecreaseThroughIssueOfSharesOnPropertyDevelopment", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "sharesItemType" }, "nxe_IncreaseDecreaseThroughIssueOfSharesValueOnAustralianStockExchange": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Increase decrease through issue of shares value on australian stock exchange", "label": "Increase Decrease Through Issue Of Shares Value On Australian Stock Exchange", "verboseLabel": "Shares issued on ASX, net of share issue costs (Note 11)" } } }, "localname": "IncreaseDecreaseThroughIssueOfSharesValueOnAustralianStockExchange", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "monetaryItemType" }, "nxe_IncreaseDecreaseThroughIssueOfSharesValueOnConvertibleDebenture": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Increase decrease through issue of shares value on convertible debenture.", "label": "Increase Decrease Through Issue Of Shares Value On Convertible Debenture", "verboseLabel": "Shares issued on converted debentures (Note 9)" } } }, "localname": "IncreaseDecreaseThroughIssueOfSharesValueOnConvertibleDebenture", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "monetaryItemType" }, "nxe_IncreaseDecreaseThroughIssueOfSharesValueOnPropertyDevelopment": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Increase decrease through issue of shares value on property development", "label": "Increase Decrease Through Issue Of Shares Value On Property Development", "verboseLabel": "Shares issued for the Rook 1 property development (Note 11)" } } }, "localname": "IncreaseDecreaseThroughIssueOfSharesValueOnPropertyDevelopment", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "monetaryItemType" }, "nxe_IncreaseDecreaseThroughWarrantsExercised": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Increase decrease through warrants exercised.", "label": "Increase Decrease Through Warrants Exercised", "terseLabel": "Increase Decrease Through Warrants Exercised" } } }, "localname": "IncreaseDecreaseThroughWarrantsExercised", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/NonControllingInterestsAdditionalInformationDetail" ], "xbrltype": "sharesItemType" }, "nxe_InitialPublicOfferingMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Initial Public Offering.", "label": "Initial Public Offering [Member]" } } }, "localname": "InitialPublicOfferingMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_InterestExpenseDebt": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Interest Expense Debt.", "label": "Interest Expense Debt", "terseLabel": "Interest expense on convertible debentures" } } }, "localname": "InterestExpenseDebt", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_InterestExpenseIncludedInAccountsPayableAndAccruedLiabilities": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Interest expense included in accounts payable and accrued liabilities .", "label": "Interest Expense Included In Accounts Payable And Accrued Liabilities", "terseLabel": "Interest expense included in accounts payable and accrued liabilities" } } }, "localname": "InterestExpenseIncludedInAccountsPayableAndAccruedLiabilities", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SupplementalCashFlowInformationSummaryOfDetailedInformationAboutNonCashInvestingAndFinancingActivitiesDetail" ], "xbrltype": "monetaryItemType" }, "nxe_InterestPaidOnConvertibleDebentures": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 23.0, "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Interest paid on convertible debentures.", "label": "Interest paid on convertible debentures", "negatedLabel": "Interest paid on convertible debentures (Note 9)" } } }, "localname": "InterestPaidOnConvertibleDebentures", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "nxe_InterestPaymentSettledInCash": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Interest Payment settled In Cash.", "label": "Interest Payment settled In Cash", "terseLabel": "Interest payment settled In cash" } } }, "localname": "InterestPaymentSettledInCash", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_InternationalConsolidatedUraniumIncMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "International consolidated uranium inc.", "label": "International Consolidated Uranium Inc [Member]" } } }, "localname": "InternationalConsolidatedUraniumIncMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_IsoEnergyDebenturesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "ISO Energy Debentures [Member]", "terseLabel": "ISO Energy Debentures [member]" } } }, "localname": "IsoEnergyDebenturesMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesTables" ], "xbrltype": "domainItemType" }, "nxe_IsoEnergyMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Iso energy.", "label": "Iso Energy [Member]", "terseLabel": "Iso Energy [Member]" } } }, "localname": "IsoEnergyMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_IsoenergyLtdMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "IsoEnergy Ltd.", "label": "Isoenergy Ltd [member]", "terseLabel": "IsoEnergy Ltd. [member]" } } }, "localname": "IsoenergyLtdMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail", "http://www.nexgenenergy.ca/role/FlowThroughSharePremiumLiabilityAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/NonControllingInterestsAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ReportingEntityAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfCompanysOwnershipPercentageInEachOfItsSubsidiariesDetail" ], "xbrltype": "domainItemType" }, "nxe_KeyManagementPersonnelCompensationConsultingFees": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsDisclosureOfInformationAboutKeyManagementPersonnelDetail": { "order": 3.0, "parentTag": "ifrs-full_KeyManagementPersonnelCompensation", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Key management personnel compensation consulting fees.", "label": "Key Management Personnel Compensation Consulting Fees", "terseLabel": "Key management personnel compensation, consulting fees" } } }, "localname": "KeyManagementPersonnelCompensationConsultingFees", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsDisclosureOfInformationAboutKeyManagementPersonnelDetail", "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsDisclosureOfInformationAboutKeyManagementPersonnelParentheticalDetail" ], "xbrltype": "monetaryItemType" }, "nxe_LabourAndWagesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Labour and wages.", "label": "Labour and wages [member]", "terseLabel": "Labour and Wages [member]" } } }, "localname": "LabourAndWagesMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail" ], "xbrltype": "domainItemType" }, "nxe_LabradorUraniumMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Labrador uranium.", "label": "Labrador Uranium [Member]" } } }, "localname": "LabradorUraniumMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_LarocqueEastPropertyMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Larocque East property.", "label": "Larocque East property [member]", "terseLabel": "Larocque East Property [member]" } } }, "localname": "LarocqueEastPropertyMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_LeaseAgreementExtensionAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Lease Agreement Extension .", "label": "Lease Agreement Extension [Abstract]", "terseLabel": "Lease Agreement Extension [Abstract]" } } }, "localname": "LeaseAgreementExtensionAbstract", "nsuri": "http://www.nexgenenergy.ca/20221231", "xbrltype": "stringItemType" }, "nxe_LeaseAgreementExtensionTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Lease Agreement Extension.", "label": "Lease Agreement Extension [Table]", "terseLabel": "Lease Agreement Extension [Table]" } } }, "localname": "LeaseAgreementExtensionTable", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "nxe_LeaseLiabilitiesmemberMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Lease liabilities .", "label": "Lease Liabilities Member [Member]", "terseLabel": "Lease Liabilities" } } }, "localname": "LeaseLiabilitiesmemberMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementSummaryOfDetailedInformationAboutSignificantUndiscountedCommitmentsDetail" ], "xbrltype": "domainItemType" }, "nxe_LenderAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Lender [Axis]" } } }, "localname": "LenderAxis", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "nxe_LenderDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Lender [Domain]" } } }, "localname": "LenderDomain", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_LiabilityIncurredOnFlowthroughSharesIssued": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Liability incurred on flow-through shares issued.", "label": "Liability incurred on flow-through shares issued", "terseLabel": "Liability incurred on flow-through shares issued" } } }, "localname": "LiabilityIncurredOnFlowthroughSharesIssued", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/FlowThroughSharePremiumLiabilitySummaryOfContinuityOfTheFlowThroughSharePremiumLiabilityDetail" ], "xbrltype": "monetaryItemType" }, "nxe_LongTermDebtFairValue": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Long term debt fair value.", "label": "Long Term Debt Fair Value", "terseLabel": "Fair value on the issue date" } } }, "localname": "LongTermDebtFairValue", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_LossOnConversionReclassifiedToAccumulatedDeficit": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Loss On Conversion Reclassified To Accumulated Deficit.", "label": "Loss On Conversion Reclassified To Accumulated Deficit", "terseLabel": "Loss on conversion reclassified to accumulated deficit" } } }, "localname": "LossOnConversionReclassifiedToAccumulatedDeficit", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_LossPerShareBasicAndDiluted": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Loss per share basic and diluted.", "label": "Loss Per Share Basic and Diluted", "terseLabel": "Basic and diluted loss per share" } } }, "localname": "LossPerShareBasicAndDiluted", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "perShareItemType" }, "nxe_Madison2zCarlsonCreekAndNorthThorburnPropertiesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Madison 2Z carlson creek and north thorburn properties.", "label": "Madison 2Z carlson creek and north thorburn properties [member]", "terseLabel": "Madison, 2Z, Carlson Creek and North Thorburn Properties [member]" } } }, "localname": "Madison2zCarlsonCreekAndNorthThorburnPropertiesMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_ManagementCapital": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/CapitalManagementSummaryOfDisclosureOfDetailedInformationAboutManagementCapitalExplanatoryDetail": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Management capital.", "label": "Management Capital", "totalLabel": "Management Capital" } } }, "localname": "ManagementCapital", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/CapitalManagementSummaryOfDisclosureOfDetailedInformationAboutManagementCapitalExplanatoryDetail" ], "xbrltype": "monetaryItemType" }, "nxe_MarkToMarketGainLossOnConvertibleDebentures": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLossAlternate1": { "order": 13.0, "parentTag": "ifrs-full_ProfitLossFromOperatingActivities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Mark to market loss (gain) on convertible debentures.", "label": "Mark to market gain loss on convertible debentures", "negatedLabel": "Mark-to-market loss on convertible debentures (Note 9)", "terseLabel": "Mark-to-market loss on convertible debentures (Note 9)" } } }, "localname": "MarkToMarketGainLossOnConvertibleDebentures", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_MarketableSecuritiesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Marketable securities.", "label": "Marketable Securities [Member]", "verboseLabel": "Marketable Securities [Member]" } } }, "localname": "MarketableSecuritiesMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesSummaryOfDeferredTaxAssetsAndLiabilitiesDetail", "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesScheduleOfAccountingPolicyForFinancialInstrumentsDetail" ], "xbrltype": "domainItemType" }, "nxe_MarketableSecuritiesReceived": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesDetail": { "order": 2.0, "parentTag": "nxe_ProceedsFromDispositionOfProperties", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Marketable securities received.", "label": "Marketable Securities Received", "terseLabel": "Marketable securities received" } } }, "localname": "MarketableSecuritiesReceived", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesDetail" ], "xbrltype": "monetaryItemType" }, "nxe_MaximumTermOfOptionsGrantedForShareBasedPaymentsArrangement": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Maximum term of options granted for share based payments arrangement.", "label": "Maximum term of options granted for share based payments arrangement", "terseLabel": "Options granted, maximum term" } } }, "localname": "MaximumTermOfOptionsGrantedForShareBasedPaymentsArrangement", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "durationItemType" }, "nxe_MetalPriceAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Metal price.", "label": "Metal Price [Axis]" } } }, "localname": "MetalPriceAxis", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "nxe_MetalPriceMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Metal price.", "label": "Metal Price [Member]" } } }, "localname": "MetalPriceMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_MetalPricePerPoundFiftyMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Metal price per pound fifty.", "label": "Metal Price Per Pound Fifty [Member]", "verboseLabel": "Metal Price Per Pound Fifty [Member]" } } }, "localname": "MetalPricePerPoundFiftyMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_MetalPricePerPoundHundredMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Metal price per pound hundred.", "label": "Metal Price Per Pound Hundred [Member]", "verboseLabel": "Metal Price Per Pound Hundred [Member]" } } }, "localname": "MetalPricePerPoundHundredMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_MetalPricePerPoundSeventyFiveMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Metal price per pound seventy five.", "label": "Metal Price Per Pound Seventy Five [Member]", "verboseLabel": "Metal Price Per Pound Seventy Five [Member]" } } }, "localname": "MetalPricePerPoundSeventyFiveMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_MineralPropertiesAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Mineral properties.", "label": "Mineral properties [axis]", "terseLabel": "Mineral properties [axis]" } } }, "localname": "MineralPropertiesAxis", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "nxe_MineralPropertiesOneMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Mineral properties one [member]", "label": "Mineral properties one [member]", "terseLabel": "Mineral properties one [member]" } } }, "localname": "MineralPropertiesOneMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_MineralPropertyCostsAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Mineral property costs.", "label": "Mineral property costs [axis]", "terseLabel": "Mineral property costs." } } }, "localname": "MineralPropertyCostsAxis", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail" ], "xbrltype": "stringItemType" }, "nxe_MineralPropertyCostsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Mineral property costs [member]", "label": "Mineral property costs [member]", "terseLabel": "Mineral property costs [member]" } } }, "localname": "MineralPropertyCostsMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail" ], "xbrltype": "domainItemType" }, "nxe_ModeOfInterestAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Mode Of Interest [Axis]" } } }, "localname": "ModeOfInterestAxis", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "nxe_ModeOfInterestDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Mode Of Interest [Domain]" } } }, "localname": "ModeOfInterestDomain", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_MountainLakePropertyMember": { "auth_ref": [], "lang": { "en-us": { "role": { "definitionGuidance": "Mountain Lake property [Member]", "documentation": "Mountain lake property.", "label": "Mountain lake property [Member]", "terseLabel": "Mountain Lake Property [member]" } } }, "localname": "MountainLakePropertyMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesDetail", "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesParentheticalDetail", "http://www.nexgenenergy.ca/role/MarketableSecuritiesTables" ], "xbrltype": "domainItemType" }, "nxe_NXEEnergyRoyaltyLtdMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "NXE Energy Royalty Ltd.", "label": "NXE Energy Royalty Ltd. [member]", "terseLabel": "NXE Energy Royalty Ltd [member]" } } }, "localname": "NXEEnergyRoyaltyLtdMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfCompanysOwnershipPercentageInEachOfItsSubsidiariesDetail" ], "xbrltype": "domainItemType" }, "nxe_NXEEnergySWThreeLtdMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "NXE Energy SW3 Ltd.", "label": "NXE Energy SW3 Ltd. [member]", "terseLabel": "NXE Energy SW3 Ltd [member]" } } }, "localname": "NXEEnergySWThreeLtdMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfCompanysOwnershipPercentageInEachOfItsSubsidiariesDetail" ], "xbrltype": "domainItemType" }, "nxe_NXEEnergySwOneLtdMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "NXE Energy SW1 Ltd.", "label": "NXE Energy SW1 Ltd. [member]", "terseLabel": "NXE Energy SW1 Ltd [member]" } } }, "localname": "NXEEnergySwOneLtdMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfCompanysOwnershipPercentageInEachOfItsSubsidiariesDetail" ], "xbrltype": "domainItemType" }, "nxe_NatureOfOperationsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Nature of operations.", "label": "Nature of operations [abstract]" } } }, "localname": "NatureOfOperationsAbstract", "nsuri": "http://www.nexgenenergy.ca/20221231", "xbrltype": "stringItemType" }, "nxe_NetFinancialLiabilities": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Net financial liabilities.", "label": "Net Financial Liabilities", "terseLabel": "Financial liabilities, net" } } }, "localname": "NetFinancialLiabilities", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_NetSmelterReturnPercentage": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Net smelter return percentage.", "label": "Net Smelter Return Percentage", "verboseLabel": "Net Smelter Return Percentage" } } }, "localname": "NetSmelterReturnPercentage", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "percentItemType" }, "nxe_NetSmelterReturnRoyalty": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Net smelter return royalty.", "label": "Net smelter return royalty", "terseLabel": "Net smelter return royalty" } } }, "localname": "NetSmelterReturnRoyalty", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail" ], "xbrltype": "percentItemType" }, "nxe_NintyTwoEnergyMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Ninty two energy.", "label": "Ninty Two Energy [Member]", "terseLabel": "92 Energy [Member]" } } }, "localname": "NintyTwoEnergyMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_NonCurrentAssetsFinanceLiabilitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Non current assets finance liabilities abstract.", "label": "Non Current Assets Finance Liabilities [abstract]" } } }, "localname": "NonCurrentAssetsFinanceLiabilitiesAbstract", "nsuri": "http://www.nexgenenergy.ca/20221231", "xbrltype": "stringItemType" }, "nxe_NoncapitalLossesAvailableForFuturePeriodsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Noncapital losses available for future periods.", "label": "Noncapital losses available for future periods [member]", "terseLabel": "Non-capital losses available for future periods [member]" } } }, "localname": "NoncapitalLossesAvailableForFuturePeriodsMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesSignificantComponentsOfTemporaryDifferencesUnusedTaxCreditsAndUnusedTaxLossesDetail" ], "xbrltype": "domainItemType" }, "nxe_NoncapitalLossesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Non-capital losses.", "label": "Non-capital Losses [member]", "terseLabel": "Non-capital losses [member]" } } }, "localname": "NoncapitalLossesMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesSummaryOfDeferredTaxAssetsAndLiabilitiesDetail" ], "xbrltype": "domainItemType" }, "nxe_NumberOfCommonSharesIssuableUponConversionOfDebentures": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of common shares issuable upon conversion of debentures.", "label": "Number Of Common Shares Issuable Upon Conversion Of Debentures", "terseLabel": "Number of common shares issuable upon conversion of debentures." } } }, "localname": "NumberOfCommonSharesIssuableUponConversionOfDebentures", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "sharesItemType" }, "nxe_NumberOfMineralClaims": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of mineral claims.", "label": "Number Of Mineral Claims", "terseLabel": "Number of mineral claims" } } }, "localname": "NumberOfMineralClaims", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail" ], "xbrltype": "integerItemType" }, "nxe_NumberOfSharesReceivedFromSpinoutEntity": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of shares received from spinout entity.", "label": "Number Of Shares Received From Spinout Entity", "terseLabel": "Number of shares received by spinout entity" } } }, "localname": "NumberOfSharesReceivedFromSpinoutEntity", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "sharesItemType" }, "nxe_NumberOfSharesToBeIssuedToSpinoutEntityForEachShareHeldByConsolidatedEntityPmProrataAllotment": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of shares to be issued to spinout entity for each share held by consolidated entity pm prorata allotment.", "label": "Number Of Shares To Be Issued To Spinout Entity For Each Share Held By Consolidated Entity Pm Prorata Allotment", "terseLabel": "Number of shares to be issued to spinout entity for each share held by consolidated entity pm prorata allotment" } } }, "localname": "NumberOfSharesToBeIssuedToSpinoutEntityForEachShareHeldByConsolidatedEntityPmProrataAllotment", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "decimalItemType" }, "nxe_NumberOfSharesValuation": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of shares valuation.", "label": "Number Of Shares Valuation", "terseLabel": "Number of shares valuation" } } }, "localname": "NumberOfSharesValuation", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "sharesItemType" }, "nxe_OfficeAdministrativeAndTravelExpenses": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLossAlternate1": { "order": 8.0, "parentTag": "ifrs-full_ExpenseByNature", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Office administrative and travel expenses .", "label": "Office Administrative And Travel Expenses", "terseLabel": "Office, administrative, and travel" } } }, "localname": "OfficeAdministrativeAndTravelExpenses", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "nxe_OfficeFurnitureAndLeaseholdImprovementsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Office Furniture and Leasehold Improvements [Member]" } } }, "localname": "OfficeFurnitureAndLeaseholdImprovementsMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/PropertyAndEquipmentSummaryOfDetailedInformationAboutPropertyPlantAndEquipmentDetail" ], "xbrltype": "domainItemType" }, "nxe_OnePointEightExercisePriceExpiringOnJuneTwelfthTwoThousandAndTwentyFiveMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "One Point Eight Exercise Price Expiring On June Twelfth Two Thousand And Twenty Five [Member]", "terseLabel": "1.8 Exercise Price Expire on June\u00a012, 2025 [member]" } } }, "localname": "OnePointEightExercisePriceExpiringOnJuneTwelfthTwoThousandAndTwentyFiveMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "domainItemType" }, "nxe_OnePointFiveNineExercisePriceExpireOnDecemberTwentyFourTwoThousandTwentyFourMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "One Point Five Nine Exercise Price Expire On December Twenty Four Two Thousand Twenty Four.", "label": "One Point Five Nine Exercise Price Expire On December Twenty Four Two Thousand Twenty Four [Member]", "terseLabel": "1.59 Exercise Price Expire on December 24,2024 [member]" } } }, "localname": "OnePointFiveNineExercisePriceExpireOnDecemberTwentyFourTwoThousandTwentyFourMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "domainItemType" }, "nxe_OnePointFiveNineExercisePriceExpiredOnAugustSixteenTwoThousandAndTwentyFourMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "One Point Five Nine Exercise Price Expired On August Sixteen Two Thousand And Twenty Four.", "label": "One Point Five Nine Exercise Price Expired On August Sixteen Two Thousand And Twenty Four [Member]", "terseLabel": "1.59 Exercise Price Expire on August 16, 2024 [member]" } } }, "localname": "OnePointFiveNineExercisePriceExpiredOnAugustSixteenTwoThousandAndTwentyFourMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "domainItemType" }, "nxe_OnePointNineTwoExercisePriceExpiredOnJuneTwelveTwoThousandAndTwentyFourMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "One Point Nine Two Exercise Price Expired On June Twelve Two Thousand And Twenty Four.", "label": "One Point Nine Two Exercise Price Expired On June Twelve Two Thousand And Twenty Four [Member]", "terseLabel": "1.92 Exercise Price Expire on June 12, 2024 [member]" } } }, "localname": "OnePointNineTwoExercisePriceExpiredOnJuneTwelveTwoThousandAndTwentyFourMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "domainItemType" }, "nxe_OptionsByExpiryDateAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Options By Expiry Date [axis]", "label": "Options By Expiry Date [axis]", "terseLabel": "Options By Expiry Date [axis]" } } }, "localname": "OptionsByExpiryDateAxis", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "stringItemType" }, "nxe_OtherAthabascaBasinPropertiesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Other athabasca basin properties.", "label": "Other athabasca basin properties [member]", "terseLabel": "Other Athabasca Basin Properties [member]" } } }, "localname": "OtherAthabascaBasinPropertiesMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail" ], "xbrltype": "domainItemType" }, "nxe_OtherTaxEffectsOfTemporaryDifferences": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/IncomeTaxesReconciliationOfIncomeTaxesAtStatutoryRatesDetail": { "order": 7.0, "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Other tax effects of temporary differences .", "label": "Other Tax Effects Of Temporary Differences", "negatedLabel": "Other" } } }, "localname": "OtherTaxEffectsOfTemporaryDifferences", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesReconciliationOfIncomeTaxesAtStatutoryRatesDetail" ], "xbrltype": "monetaryItemType" }, "nxe_OverallotmentMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Overallotment.", "label": "Overallotment [Member]" } } }, "localname": "OverallotmentMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_OwnershipPercentageOfMineralProperty": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Ownership percentage of mineral property.", "label": "Ownership percentage of mineral property", "terseLabel": "Ownership percentage of mineral property" } } }, "localname": "OwnershipPercentageOfMineralProperty", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail" ], "xbrltype": "percentItemType" }, "nxe_PaymentOfShortTermLeaseExpenses": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Payment of short term lease expenses.", "label": "Payment Of Short Term Lease Expenses", "terseLabel": "Payment of short term lease expenses" } } }, "localname": "PaymentOfShortTermLeaseExpenses", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/LeasesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_PercentageDecreaseInReturnRoyalty": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Percentage decrease in return royalty.", "label": "Percentage decrease in return royalty", "terseLabel": "Percentage decrease in return royalty" } } }, "localname": "PercentageDecreaseInReturnRoyalty", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail" ], "xbrltype": "percentItemType" }, "nxe_PercentageOfIssuedAndOutstandingSharesAcquired": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Percentage of issued and outstanding shares acquired.", "label": "Percentage of issued and outstanding shares acquired", "terseLabel": "Percentage of issued and outstanding shares acquired" } } }, "localname": "PercentageOfIssuedAndOutstandingSharesAcquired", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "percentItemType" }, "nxe_PercentageOfReasonablyPossibleChangeInCurrencyRates": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Percentage of reasonably possible change in currency rates.", "label": "Percentage of reasonably possible change in currency rates", "terseLabel": "Percentage of reasonably possible change in currency rates" } } }, "localname": "PercentageOfReasonablyPossibleChangeInCurrencyRates", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAdditionalInformationDetail" ], "xbrltype": "percentItemType" }, "nxe_ProceedsFromBoughtDealFinancingNetOfShareIssuanceCosts": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 27.0, "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Proceeds From Bought Deal Financing Net Of Share Issuance Costs.", "label": "Proceeds From Bought Deal Financing Net Of Share Issuance Costs", "terseLabel": "Proceeds from bought-deal financing, net of share issuance costs (Note 11)" } } }, "localname": "ProceedsFromBoughtDealFinancingNetOfShareIssuanceCosts", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "nxe_ProceedsFromCommonShareIssuanceOnAustralianStockExchangeNetOfShareIssuanceCosts": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 28.0, "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Proceeds From Common Share Issuance On Australian Stock Exchange Net Of Share Issuance Costs .", "label": "Proceeds From Common Share Issuance On Australian Stock Exchange Net Of Share Issuance Costs", "terseLabel": "Proceeds from common share issuance on ASX, net of share issuance costs (Note 11)" } } }, "localname": "ProceedsFromCommonShareIssuanceOnAustralianStockExchangeNetOfShareIssuanceCosts", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "nxe_ProceedsFromDispositionOfProperties": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesDetail": { "order": 1.0, "parentTag": "nxe_GainLossesOnSaleOfFinancialAssets", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Proceeds from disposition of properties.", "label": "Proceeds From Disposition Of Properties", "totalLabel": "Proceeds \u2013 disposition of properties" } } }, "localname": "ProceedsFromDispositionOfProperties", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesDetail" ], "xbrltype": "monetaryItemType" }, "nxe_ProceedsFromExerciseOfOptionsAndWarrants": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows": { "order": 22.0, "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Cash from exercise of options and warrants, net of share issuance costs", "label": "Proceeds From Exercise Of Options And Warrants", "verboseLabel": "Proceeds from exercise of options and warrants (Note 11)" } } }, "localname": "ProceedsFromExerciseOfOptionsAndWarrants", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "nxe_ProductionCarriedInterest": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Production carried interest.", "label": "Production carried interest", "terseLabel": "Production carried interest" } } }, "localname": "ProductionCarriedInterest", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail" ], "xbrltype": "percentItemType" }, "nxe_ProfessionalFeesAndInsurance": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLossAlternate1": { "order": 9.0, "parentTag": "ifrs-full_ExpenseByNature", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Professional fees and insurance .", "label": "Professional Fees And Insurance", "terseLabel": "Professional fees and insurance" } } }, "localname": "ProfessionalFeesAndInsurance", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "nxe_QueensRoadCapitalInvestmentLimitedMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Queens Road Capital Investment Limited [Member]" } } }, "localname": "QueensRoadCapitalInvestmentLimitedMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_RadioProjectMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Radio project.", "label": "Radio Project [member]", "terseLabel": "Radio Project [member]" } } }, "localname": "RadioProjectMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_ReclassAccumulatedOtherComprehensiveIncomeRelatedToConvertedDebentures": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Reclass accumulated other comprehensive income related to converted debentures.", "label": "Reclass Accumulated Other Comprehensive Income Related To Converted Debentures", "verboseLabel": "Reclass accumulated other comprehensive income related to converted debentures (Note\u00a08)" } } }, "localname": "ReclassAccumulatedOtherComprehensiveIncomeRelatedToConvertedDebentures", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "monetaryItemType" }, "nxe_ReclassificationIncreaseDecreasePropertyPlantAndEquipment": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Reclassification increase decrease property plant and equipment.", "label": "Reclassification Increase Decrease Property Plant And Equipment", "terseLabel": "Reclassification" } } }, "localname": "ReclassificationIncreaseDecreasePropertyPlantAndEquipment", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/PropertyAndEquipmentSummaryOfDetailedInformationAboutPropertyPlantAndEquipmentDetail" ], "xbrltype": "monetaryItemType" }, "nxe_RedemptionPriceAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Redemption Price [Axis]" } } }, "localname": "RedemptionPriceAxis", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "nxe_RedemptionPriceDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Redemption Price [Domain]" } } }, "localname": "RedemptionPriceDomain", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_ReductionPercentageInHoldersOptionCompletion": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Reduction percentage in holders option completion.", "label": "Reduction percentage in holders option completion", "terseLabel": "Reduction percentage in holders option completion" } } }, "localname": "ReductionPercentageInHoldersOptionCompletion", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail" ], "xbrltype": "percentItemType" }, "nxe_RequiredExplorationExpenditures": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Required exploration expenditures.", "label": "Required exploration expenditures", "terseLabel": "Required exploration expenditures" } } }, "localname": "RequiredExplorationExpenditures", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/FlowThroughSharePremiumLiabilityAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_RoadMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Road.", "label": "Road [member]", "terseLabel": "Road [member]" } } }, "localname": "RoadMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/PropertyAndEquipmentSummaryOfDetailedInformationAboutPropertyPlantAndEquipmentDetail", "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfDepreciationOverTheEstimatedUsefulLivesOfEachSignificantComponentDetail" ], "xbrltype": "domainItemType" }, "nxe_RookOnePropertyMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Rook one property.", "label": "Rook one property [member]", "terseLabel": "Rook 1 Property [member]", "verboseLabel": "Rook I Property [member]" } } }, "localname": "RookOnePropertyMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail" ], "xbrltype": "domainItemType" }, "nxe_SalariesEmployeesBenefitsAndDirectorsFeeMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Salaries, employees benefits and directors fee.", "label": "Salaries, employees benefits and directors fee [member]", "terseLabel": "Salaries, Employees Benefits and Directors Fee [member]" } } }, "localname": "SalariesEmployeesBenefitsAndDirectorsFeeMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsDisclosureOfInformationAboutKeyManagementPersonnelParentheticalDetail" ], "xbrltype": "domainItemType" }, "nxe_SaleOfStockAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Sale Of Stock [Axis]" } } }, "localname": "SaleOfStockAxis", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "nxe_SaleOfStockDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Sale Of Stock [Domain]" } } }, "localname": "SaleOfStockDomain", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_SaleOfStockIssuePricePerShare": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Sale Of Stock Issue Price Per Share.", "label": "Sale Of Stock Issue Price Per Share", "terseLabel": "Sale of stock issue price per share" } } }, "localname": "SaleOfStockIssuePricePerShare", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "perShareItemType" }, "nxe_SaleOfStockReceivedPricePerShare": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Sale of stock received price per share.", "label": "Sale Of Stock Received Price Per Share", "terseLabel": "Sale of stock received price per share" } } }, "localname": "SaleOfStockReceivedPricePerShare", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "perShareItemType" }, "nxe_SettlementOfFlowthroughSharePremiumLiabilityOnExpendituresMade": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Settlement of flow-through share premium liability on expenditures made.", "label": "Settlement of flow-through share premium liability on expenditures made", "terseLabel": "Settlement of flow-though share liability on expenditures" } } }, "localname": "SettlementOfFlowthroughSharePremiumLiabilityOnExpendituresMade", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/FlowThroughSharePremiumLiabilitySummaryOfContinuityOfTheFlowThroughSharePremiumLiabilityDetail" ], "xbrltype": "monetaryItemType" }, "nxe_SettlementWithSharesConvertibleDeventures": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Settlement With Shares Convertible Deventures.", "label": "Settlement With Shares Convertible Deventures", "terseLabel": "Settlement with shares" } } }, "localname": "SettlementWithSharesConvertibleDeventures", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesDetail" ], "xbrltype": "monetaryItemType" }, "nxe_ShareConsiderationOnSaleOfProperties": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Share consideration on sale of properties .", "label": "Share Consideration On Sale Of Properties", "terseLabel": "Share consideration on sale of properties (Note 5)" } } }, "localname": "ShareConsiderationOnSaleOfProperties", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SupplementalCashFlowInformationSummaryOfDetailedInformationAboutNonCashInvestingAndFinancingActivitiesDetail" ], "xbrltype": "monetaryItemType" }, "nxe_ShareIssuanceCosts": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Share Issuance Costs.", "label": "Share Issuance Costs", "terseLabel": "Share issuance costs" } } }, "localname": "ShareIssuanceCosts", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_ShareIssuanceCostsDeferredTaxAssetsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Share issuance costs deferred tax assets.", "label": "Share issuance costs deferred tax assets [member]", "terseLabel": "Share issuance costs [member]" } } }, "localname": "ShareIssuanceCostsDeferredTaxAssetsMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesSignificantComponentsOfTemporaryDifferencesUnusedTaxCreditsAndUnusedTaxLossesDetail" ], "xbrltype": "domainItemType" }, "nxe_ShareIssuanceCostsDeferredTaxLiabilitiesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Share issuance costs deferred tax liabilities.", "label": "Share issuance costs deferred tax liabilities [member]", "terseLabel": "Share issuance costs [member]" } } }, "localname": "ShareIssuanceCostsDeferredTaxLiabilitiesMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesSummaryOfDeferredTaxAssetsAndLiabilitiesDetail" ], "xbrltype": "domainItemType" }, "nxe_ShareOptionsExercisePeriodExpirationDate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Share options exercise period expiration date.", "label": "Share options exercise period expiration date", "terseLabel": "Expiry Date" } } }, "localname": "ShareOptionsExercisePeriodExpirationDate", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "dateItemType" }, "nxe_SharebasedPaymentsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Share-based payments.", "label": "Share-based payments [member]", "terseLabel": "Share-based Payments [member]" } } }, "localname": "SharebasedPaymentsMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail" ], "xbrltype": "domainItemType" }, "nxe_ShorttermInvestmentsMarketableSecurities": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition": { "order": 20.0, "parentTag": "ifrs-full_CurrentAssets", "weight": 1.0 }, "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail": { "order": 4.0, "parentTag": "ifrs-full_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Shortterm investments marketable securities.", "label": "Shortterm Investments Marketable Securities", "terseLabel": "Marketable securities", "verboseLabel": "Marketable securities (Note 5)" } } }, "localname": "ShorttermInvestmentsMarketableSecurities", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfFinancialPosition", "http://www.nexgenenergy.ca/role/NonControllingInterestsSummaryOfFinancialInformationForIsoenergyLtdDetail" ], "xbrltype": "monetaryItemType" }, "nxe_SizeOfMineralProperty": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Size of mineral property.", "label": "Size of mineral property", "terseLabel": "Size of mineral property" } } }, "localname": "SizeOfMineralProperty", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail" ], "xbrltype": "areaItemType" }, "nxe_Statement1LineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Statement1", "label": "Statement1 [Line Items]", "terseLabel": "Statement [LineItems]" } } }, "localname": "Statement1LineItems", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesTables", "http://www.nexgenenergy.ca/role/LeasesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesParentheticalDetail", "http://www.nexgenenergy.ca/role/MarketableSecuritiesTables" ], "xbrltype": "stringItemType" }, "nxe_Statement1Table": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Statement Table", "label": "Statement1 [Table]", "verboseLabel": "Statement [Table]" } } }, "localname": "Statement1Table", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfChangesInEquity", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesTables", "http://www.nexgenenergy.ca/role/LeasesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/LeasesScheduleOfLeaseObligationAdoptionDetail", "http://www.nexgenenergy.ca/role/MarketableSecuritiesSummaryOfDetailedInformationAboutDisposalOfMarketableSecuritiesParentheticalDetail", "http://www.nexgenenergy.ca/role/MarketableSecuritiesTables" ], "xbrltype": "stringItemType" }, "nxe_StockIssuedDuringPeriodRelatedToAccruedAndUnpaidInterest": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Stock issued during period related to accrued and unpaid interest.", "label": "Stock Issued During Period Related to Accrued and Unpaid Interest", "terseLabel": "Stock issued during period related to accrued and unpaid interest" } } }, "localname": "StockIssuedDuringPeriodRelatedToAccruedAndUnpaidInterest", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "sharesItemType" }, "nxe_StockIssuedDuringPeriodSharesStockOptionsExercised": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Stock issued during period shares stock options exercised.", "label": "Stock Issued During Period Shares Stock Options Exercised", "terseLabel": "Stock Issued During Period, Shares, Stock Options Exercised" } } }, "localname": "StockIssuedDuringPeriodSharesStockOptionsExercised", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "sharesItemType" }, "nxe_StockIssuedDuringPeriodValueRelatedToAccruedAndUnpaidInterest": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Stock issued during period value related to accrued and unpaid interest.", "label": "Stock Issued During Period Value Related to Accrued and Unpaid Interest", "terseLabel": "Stock issued during period value related to accrued and unpaid interest", "verboseLabel": "Stock issued during period value related to accrued and unpaid interest" } } }, "localname": "StockIssuedDuringPeriodValueRelatedToAccruedAndUnpaidInterest", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_StockSharesHeldDuringThePeriodValue": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Stock shares held during the period value.", "label": "Stock Shares Held During The Period Value", "terseLabel": "Stock shares held during the period value" } } }, "localname": "StockSharesHeldDuringThePeriodValue", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_StockSharesIssuedDuringThePeriodShares": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Stock shares issued during the period shares.", "label": "Stock Shares Issued During The Period Shares", "verboseLabel": "Sale of stock issue price per share" } } }, "localname": "StockSharesIssuedDuringThePeriodShares", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "sharesItemType" }, "nxe_StockSharesReceivedDuringThePeriodShares": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Stock shares received during the period shares.", "label": "Stock Shares Received During The Period Shares", "terseLabel": "Stock shares received during the period shares" } } }, "localname": "StockSharesReceivedDuringThePeriodShares", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "sharesItemType" }, "nxe_StockSharesReceivedDuringThePeriodValue": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Stock shares received during the period value.", "label": "Stock Shares Received During The Period Value", "terseLabel": "Stock shares received during the period value" } } }, "localname": "StockSharesReceivedDuringThePeriodValue", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/MarketableSecuritiesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_SubsequentEvents": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "SUBSEQUENT EVENTS.", "label": "SUBSEQUENT EVENTS", "terseLabel": "SUBSEQUENT EVENTS" } } }, "localname": "SubsequentEvents", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SubsequentEvents" ], "xbrltype": "textBlockItemType" }, "nxe_SubsequentEventsLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Subsequent events.", "label": "Subsequent Events [Line Items]" } } }, "localname": "SubsequentEventsLineItems", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "nxe_SummaryOfDetailedInformationAboutNonCashInvestingAndFinancingActivities": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Summary of detailed information about non cash investing and financing activities.", "label": "Summary Of Detailed Information About Non Cash Investing And Financing Activities" } } }, "localname": "SummaryOfDetailedInformationAboutNonCashInvestingAndFinancingActivities", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SupplementalCashFlowInformationTables" ], "xbrltype": "textBlockItemType" }, "nxe_SummaryOfDetailedInformationAboutSiginificantUndiscountedCommitmentsTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Summary of detailed information about siginificant undiscounted commitments .", "label": "Summary Of Detailed Information About Siginificant Undiscounted Commitments [Table Text Block]", "terseLabel": "Summary Of Detailed Information About Siginificant Undiscounted Commitments" } } }, "localname": "SummaryOfDetailedInformationAboutSiginificantUndiscountedCommitmentsTableTextBlock", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementTables" ], "xbrltype": "textBlockItemType" }, "nxe_SummaryOfMaximumExposureToCreditRiskTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Summary of maximum exposure to credit risk .", "label": "Summary Of Maximum Exposure To Credit Risk [Table Text Block]", "terseLabel": "Summary Of Maximum Exposure To Credit Risk" } } }, "localname": "SummaryOfMaximumExposureToCreditRiskTableTextBlock", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementTables" ], "xbrltype": "textBlockItemType" }, "nxe_TaxEffectOfFlowThroughShares": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/IncomeTaxesReconciliationOfIncomeTaxesAtStatutoryRatesDetail": { "order": 3.0, "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Tax effect of flow through shares.", "label": "Tax effect of flow through shares", "terseLabel": "Impact of flow-through shares" } } }, "localname": "TaxEffectOfFlowThroughShares", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesReconciliationOfIncomeTaxesAtStatutoryRatesDetail" ], "xbrltype": "monetaryItemType" }, "nxe_TaxEffectOfPermanentDifferences": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/IncomeTaxesReconciliationOfIncomeTaxesAtStatutoryRatesDetail": { "order": 2.0, "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Tax effect of permanent differences.", "label": "Tax Effect Of Permanent Differences", "terseLabel": "Permanent differences" } } }, "localname": "TaxEffectOfPermanentDifferences", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesReconciliationOfIncomeTaxesAtStatutoryRatesDetail" ], "xbrltype": "monetaryItemType" }, "nxe_TaxRateImpactOfLossRecognizedInOtherComprehensiveIncome": { "auth_ref": [], "calculation": { "http://www.nexgenenergy.ca/role/IncomeTaxesReconciliationOfIncomeTaxesAtStatutoryRatesDetail": { "order": 4.0, "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Tax rate impact of loss recognized in other comprehensive income.", "label": "Tax Rate Impact Of Loss Recognized In Other Comprehensive Income", "terseLabel": "Impact of (gain) loss recognized in other comprehensive income" } } }, "localname": "TaxRateImpactOfLossRecognizedInOtherComprehensiveIncome", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/IncomeTaxesReconciliationOfIncomeTaxesAtStatutoryRatesDetail" ], "xbrltype": "monetaryItemType" }, "nxe_TechnicalEngineeringAndDesignMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Technical Engineering And Design [Member]", "terseLabel": "Technical, engineering and design [member]" } } }, "localname": "TechnicalEngineeringAndDesignMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail" ], "xbrltype": "domainItemType" }, "nxe_TerminationOfLeaseLiabilities": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Termination of lease liabilities.", "label": "Termination Of Lease Liabilities", "terseLabel": "Terminations" } } }, "localname": "TerminationOfLeaseLiabilities", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/LeasesScheduleOfLeaseObligationAdoptionDetail" ], "xbrltype": "monetaryItemType" }, "nxe_TextBlockAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Text block [abstract]", "label": "Text block [abstract]", "terseLabel": "Text block [abstract]" } } }, "localname": "TextBlockAbstract", "nsuri": "http://www.nexgenenergy.ca/20221231", "xbrltype": "stringItemType" }, "nxe_TheSubsidiariesWithTheExceptionOfIsoenergyMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The subsidiaries with the exception of isoenergy.", "label": "The subsidiaries with the exception of isoenergy [member]", "terseLabel": "The subsidiaries with the exception of isoEnergy [member]" } } }, "localname": "TheSubsidiariesWithTheExceptionOfIsoenergyMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/NonControllingInterestsAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_ThorburnLakeProjectMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Thorburn lake project.", "label": "Thorburn Lake Project [member]", "terseLabel": "Thorburn Lake Project [member]" } } }, "localname": "ThorburnLakeProjectMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_TradeAndOtherPayablesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Trade and other payables .", "label": "Trade And Other Payables [Member]", "terseLabel": "Trade And Other Payables" } } }, "localname": "TradeAndOtherPayablesMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/FinancialInstrumentsAndRiskManagementSummaryOfDetailedInformationAboutSignificantUndiscountedCommitmentsDetail" ], "xbrltype": "domainItemType" }, "nxe_TravelMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Travel.", "label": "Travel [member]", "terseLabel": "Travel [member]" } } }, "localname": "TravelMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ExplorationAndEvaluationAssetsSummaryOfCapitalizedCostsOnProjectsDetail" ], "xbrltype": "domainItemType" }, "nxe_TwoPointEightFiveExercisePriceExpiredOnJuneEightTwoThousandAndTwentyThreeMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Two Point Eight Five Exercise Price Expired On June Eight Two Thousand And Twenty Three.", "label": "Two Point Eight Five Exercise Price Expired On June Eight Two Thousand And Twenty Three [Member]", "terseLabel": "2.85 Exercise Price Expire on June 8, 2023 [member]" } } }, "localname": "TwoPointEightFiveExercisePriceExpiredOnJuneEightTwoThousandAndTwentyThreeMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "domainItemType" }, "nxe_TwoPointFourNineExercisePriceExpiredOnAugustTwentyOneTwoThousandAndTwentyThreeMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Two point four nine exercise price expired on august twenty one two thousand and twenty three.", "label": "Two point four nine exercise price expired on august twenty one two thousand and twenty three [member]", "terseLabel": "2.49 Exercise Price Expire on August21, 2023 [member]" } } }, "localname": "TwoPointFourNineExercisePriceExpiredOnAugustTwentyOneTwoThousandAndTwentyThreeMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "domainItemType" }, "nxe_TwoPointFourOneExercisePriceExpiredOnDecemberThirtyOneTwoThousandAndTwentyThreeMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Two point four one exercise price expired on december thirty one two thousand and twenty three.", "label": "Two point four one exercise price expired on december thirty one two thousand and twenty three [member]", "terseLabel": "2.41 Exercise Price Expire on December31, 2023 [member]" } } }, "localname": "TwoPointFourOneExercisePriceExpiredOnDecemberThirtyOneTwoThousandAndTwentyThreeMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "domainItemType" }, "nxe_TwoPointSixSixExercisePriceExpiredOnJuneTwentyTwoThousandAndTwentyThreeMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Two point six six exercise price expired on june twenty two thousand and twenty three.", "label": "Two point six six exercise price expired on june twenty two thousand and twenty three [member]", "terseLabel": "2.66 Exercise Price Expire on June 20, 2023 [member]" } } }, "localname": "TwoPointSixSixExercisePriceExpiredOnJuneTwentyTwoThousandAndTwentyThreeMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "domainItemType" }, "nxe_TwoPointThreeNineExercisePriceExpiredOnAprilThirteenTwoThousandAndTwentyThreeMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Two point three nine exercise price expired on april thirteen two thousand and twenty three.", "label": "Two point three nine exercise price expired on april thirteen two thousand and twenty three [member]", "terseLabel": "2.39 Exercise Price Expire on April 13, 2023 [member]" } } }, "localname": "TwoPointThreeNineExercisePriceExpiredOnAprilThirteenTwoThousandAndTwentyThreeMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "domainItemType" }, "nxe_TwoPointTwoSevenExercisePriceExpiredOnMarchTwentyOneTwoThousandAndTwentyFourMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Two Point Two Seven Exercise Price Expired On March Twenty One Two Thousand And Twenty Four.", "label": "Two Point Two Seven Exercise Price Expired On March Twenty One Two Thousand And Twenty Four [Member]", "terseLabel": "2.27 Exercise Price Expire on March 21, 2024 [member]" } } }, "localname": "TwoPointTwoSevenExercisePriceExpiredOnMarchTwentyOneTwoThousandAndTwentyFourMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "domainItemType" }, "nxe_TwoPointTwoTwoExercisePriceExpiredOnMarchTwentySevenTwoThousandAndTwentyFourMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Two Point Two Two Exercise Price Expired On March Twenty Seven Two Thousand And Twenty Four.", "label": "Two Point Two Two Exercise Price Expired On March Twenty Seven Two Thousand And Twenty Four [Member]", "terseLabel": "2.22 Exercise Price Expire on March 27, 2024 [member]" } } }, "localname": "TwoPointTwoTwoExercisePriceExpiredOnMarchTwentySevenTwoThousandAndTwentyFourMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfCompanysStockOptionsOutstandingAndExercisableDetail" ], "xbrltype": "domainItemType" }, "nxe_TwoThousandSeventeenDebenturesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Two Thousand Seventeen Debentures.", "label": "Two Thousand Seventeen Debentures [Member]", "terseLabel": "2017 Debentures [member]" } } }, "localname": "TwoThousandSeventeenDebenturesMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_TwoThousandSixteenAndSeventeenDebenturesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Two Thousand Sixteen And Seventeen Debentures.", "label": "Two Thousand Sixteen And Seventeen Debentures [Member]", "verboseLabel": "2016 and 2017 Debentures [member]" } } }, "localname": "TwoThousandSixteenAndSeventeenDebenturesMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_TwoZeroOneSevenDebenturesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "2017 debentures.", "label": "Two Zero One Seven Debentures [member]", "terseLabel": "2017 Debentures [member]" } } }, "localname": "TwoZeroOneSevenDebenturesMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesDetail", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_TwoZeroOneSixDebenturesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "2016 Debentures", "label": "Two Zero One Six Debentures [member]", "terseLabel": "2016 Debentures [member]" } } }, "localname": "TwoZeroOneSixDebenturesMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesDetail", "http://www.nexgenenergy.ca/role/ShareCapitalAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "nxe_TwoZeroTwoTwoIsoEnergyDebenturesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Two Zero Two Two Iso Energy Debentures [Member]", "terseLabel": "2022 IsoEnergy Debentures" } } }, "localname": "TwoZeroTwoTwoIsoEnergyDebenturesMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesDetail", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesValuationAssumptionsDetail", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesTables" ], "xbrltype": "domainItemType" }, "nxe_TwoZeroTwoZeroDebenturesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Two Zero Two Zero Debentures [Member]", "terseLabel": "2020 Debentures [member]" } } }, "localname": "TwoZeroTwoZeroDebenturesMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesDetail", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesValuationAssumptionsDetail", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesTables" ], "xbrltype": "domainItemType" }, "nxe_TwoZeroTwoZeroIsoEnergyDebenturesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Two Zero Two Zero Iso Energy Debentures [Member]", "terseLabel": "2020 IsoEnergy Debentures" } } }, "localname": "TwoZeroTwoZeroIsoEnergyDebenturesMember", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesDetail", "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesValuationAssumptionsDetail" ], "xbrltype": "domainItemType" }, "nxe_UnderlyingSharePrice": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Underlying share price.", "label": "Underlying share price", "terseLabel": "Underlying share price of the Company" } } }, "localname": "UnderlyingSharePrice", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesSummaryOfDetailedInformationAboutConvertibleDebenturesValuationAssumptionsDetail" ], "xbrltype": "decimalItemType" }, "nxe_UndiscountedOperatingLeasePayments": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Undiscounted operating lease payments.", "label": "Undiscounted Operating Lease Payments", "terseLabel": "Undiscounted operating lease payments" } } }, "localname": "UndiscountedOperatingLeasePayments", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/LeasesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "nxe_UsefulLifeOrDepreciationRatePropertyPlantAndEquipment": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Useful life or depreciation rate, property, plant and equipment.", "label": "Useful life or depreciation rate, property, plant and equipment", "terseLabel": "Estimated useful lives or depreciation, straight-line basis" } } }, "localname": "UsefulLifeOrDepreciationRatePropertyPlantAndEquipment", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfDepreciationOverTheEstimatedUsefulLivesOfEachSignificantComponentDetail" ], "xbrltype": "durationItemType" }, "nxe_UsefulLivesOrAmortisationRatesIntangibleAssets": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Useful lives or amortisation rates, intangible assets other than goodwill.", "label": "Useful Lives or Amortisation Rates Intangible Assets", "terseLabel": "Useful lives or amortisation rates, intangible assets other than goodwill" } } }, "localname": "UsefulLivesOrAmortisationRatesIntangibleAssets", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfDepreciationOverTheEstimatedUsefulLivesOfEachSignificantComponentDetail" ], "xbrltype": "stringItemType" }, "nxe_UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwillPercentageDecliningBalanceBasis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Useful lives or amortisation rates, intangible assets other than goodwill, percentage declining balance basis.", "label": "Useful lives or amortisation rates, intangible assets other than goodwill, percentage declining balance basis", "terseLabel": "Estimated useful lives or amortisation rates" } } }, "localname": "UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwillPercentageDecliningBalanceBasis", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfDepreciationOverTheEstimatedUsefulLivesOfEachSignificantComponentDetail" ], "xbrltype": "percentItemType" }, "nxe_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPercentageDecliningBalanceBasis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Useful lives or depreciation rates, property plant and equipment, percentage declining balance basis.", "label": "Useful lives or depreciation rates, property plant and equipment, percentage declining balance basis", "terseLabel": "Estimated useful lives or depreciation rates" } } }, "localname": "UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPercentageDecliningBalanceBasis", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/SignificantAccountingPoliciesSummaryOfDepreciationOverTheEstimatedUsefulLivesOfEachSignificantComponentDetail" ], "xbrltype": "percentItemType" }, "nxe_WeightedAverageFairValuePerOptionGrantedInTheYear": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Weighted average fair value per option granted in the year.", "label": "Weighted average fair value per option granted in the year", "terseLabel": "Weighted average fair value per option granted" } } }, "localname": "WeightedAverageFairValuePerOptionGrantedInTheYear", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ShareCapitalSummaryOfWeightedAverageGrantDateFairValuesDetail" ], "xbrltype": "monetaryItemType" }, "nxe_WeightedAverageSharesOutstandingBasicAndDiluted": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Weighted Average Shares Outstanding Basic And Diluted .", "label": "Weighted Average Shares Outstanding Basic And Diluted", "terseLabel": "Basic and diluted" } } }, "localname": "WeightedAverageSharesOutstandingBasicAndDiluted", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/ConsolidatedStatementsOfNetLossAndComprehensiveLoss" ], "xbrltype": "sharesItemType" }, "nxe_WorkingCapital": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Working capital.", "label": "Working Capital", "terseLabel": "Working capital" } } }, "localname": "WorkingCapital", "nsuri": "http://www.nexgenenergy.ca/20221231", "presentation": [ "http://www.nexgenenergy.ca/role/NatureOfOperationsAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "srt_DirectorMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Director [Member]" } } }, "localname": "DirectorMember", "nsuri": "http://fasb.org/srt/2022", "presentation": [ "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsDisclosureOfInformationAboutKeyManagementPersonnelParentheticalDetail" ], "xbrltype": "domainItemType" }, "srt_ScenarioUnspecifiedDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Scenario [Domain]" } } }, "localname": "ScenarioUnspecifiedDomain", "nsuri": "http://fasb.org/srt/2022", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "srt_StatementScenarioAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Scenario [Axis]", "terseLabel": "Scenario [axis]" } } }, "localname": "StatementScenarioAxis", "nsuri": "http://fasb.org/srt/2022", "presentation": [ "http://www.nexgenenergy.ca/role/ConvertibleDebenturesAdditionalInformationDetail", "http://www.nexgenenergy.ca/role/SubsequentEventAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "srt_TitleOfIndividualAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Title of Individual [Axis]" } } }, "localname": "TitleOfIndividualAxis", "nsuri": "http://fasb.org/srt/2022", "presentation": [ "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsDisclosureOfInformationAboutKeyManagementPersonnelParentheticalDetail" ], "xbrltype": "stringItemType" }, "srt_TitleOfIndividualWithRelationshipToEntityDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Title of Individual [Domain]" } } }, "localname": "TitleOfIndividualWithRelationshipToEntityDomain", "nsuri": "http://fasb.org/srt/2022", "presentation": [ "http://www.nexgenenergy.ca/role/RelatedPartyTransactionsDisclosureOfInformationAboutKeyManagementPersonnelParentheticalDetail" ], "xbrltype": "domainItemType" } }, "unitCount": 12 } }, "std_ref": { "r0": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "106", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_106_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r1": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "106", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_106_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r10": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "54", "Subparagraph": "h", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_54_h&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r100": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "12", "Paragraph": "12", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_12&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r101": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "12", "Paragraph": "19B", "Subparagraph": "c", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_19B_c&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r102": { "Clause": "i", "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "12", "Paragraph": "B12", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_B12_b_i&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r103": { "Clause": "ii", "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "12", "Paragraph": "B12", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_B12_b_ii&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r104": { "Clause": "iii", "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "12", "Paragraph": "B12", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_B12_b_iii&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r105": { "Clause": "iv", "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "12", "Paragraph": "B12", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_B12_b_iv&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r106": { "Clause": "ix", "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "12", "Paragraph": "B12", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_B12_b_ix&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r107": { "Clause": "viii", "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "12", "Paragraph": "B12", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_B12_b_viii&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r108": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "12", "Paragraph": "B13", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r109": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "12", "Paragraph": "B13", "Subparagraph": "g", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_B13_g&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r11": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "54", "Subparagraph": "i", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_54_i&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r110": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "12", "Paragraph": "B4", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_B4_a&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r111": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "13", "Paragraph": "93", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2022-en-r&anchor=para_93_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r112": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "13", "Paragraph": "93", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2022-en-r&anchor=para_93_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r113": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "13", "Paragraph": "93", "Subparagraph": "d", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2022-en-r&anchor=para_93_d&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r114": { "Clause": "i", "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "13", "Paragraph": "93", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2022-en-r&anchor=para_93_e_i&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r115": { "Clause": "ii", "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "13", "Paragraph": "93", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2022-en-r&anchor=para_93_e_ii&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r116": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "13", "Paragraph": "93", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2022-en-r&anchor=para_93_e&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r117": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "13", "Paragraph": "93", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2022-en-r&anchor=para_93&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r118": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "14", "Paragraph": "33", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=14&code=ifrs-tx-2022-en-r&anchor=para_33_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r119": { "Clause": "i", "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "15", "Paragraph": "120", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2022-en-r&anchor=para_120_b_i&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r12": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "54", "Subparagraph": "k", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_54_k&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r120": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "16", "Paragraph": "33", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_33&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r121": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "16", "Paragraph": "47", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_47_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r122": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "16", "Paragraph": "53", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_53_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r123": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "16", "Paragraph": "53", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_53_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r124": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "16", "Paragraph": "53", "Subparagraph": "c", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_53_c&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r125": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "16", "Paragraph": "53", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_53_e&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r126": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "16", "Paragraph": "53", "Subparagraph": "h", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_53_h&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r127": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "16", "Paragraph": "53", "Subparagraph": "j", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_53_j&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r128": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "16", "Paragraph": "53", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_53&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r129": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "16", "Paragraph": "94", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_94&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r13": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "54", "Subparagraph": "o", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_54_o&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r130": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "16", "Paragraph": "95", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_95&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r131": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "16", "Paragraph": "97", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_97&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r132": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "16", "Section": "Disclosure", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&doctype=Standard&dita_xref=IFRS16_g51-60__IFRS16_g51-60_TI", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r133": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "16", "Section": "Presentation", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&doctype=Standard&dita_xref=IFRS16_g47-50__IFRS16_g47-50_TI", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r134": { "Clause": "i", "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "2", "Paragraph": "45", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_45_b_i&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r135": { "Clause": "ii", "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "2", "Paragraph": "45", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_45_b_ii&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r136": { "Clause": "iii", "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "2", "Paragraph": "45", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_45_b_iii&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r137": { "Clause": "iv", "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "2", "Paragraph": "45", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_45_b_iv&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r138": { "Clause": "v", "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "2", "Paragraph": "45", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_45_b_v&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r139": { "Clause": "vi", "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "2", "Paragraph": "45", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_45_b_vi&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r14": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "54", "Subparagraph": "q", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_54_q&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r140": { "Clause": "vii", "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "2", "Paragraph": "45", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_45_b_vii&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r141": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "2", "Paragraph": "45", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_45_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r142": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "2", "Paragraph": "45", "Subparagraph": "c", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_45_c&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r143": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "2", "Paragraph": "45", "Subparagraph": "d", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_45_d&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r144": { "Clause": "i", "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "2", "Paragraph": "47", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_47_a_i&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r145": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "2", "Paragraph": "51", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_51_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r146": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "3", "Paragraph": "B67", "Subparagraph": "d", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2022-en-r&anchor=para_B67_d&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r147": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "6", "Paragraph": "24", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=6&code=ifrs-tx-2022-en-r&anchor=para_24_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r148": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "6", "Paragraph": "24", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=6&code=ifrs-tx-2022-en-r&anchor=para_24_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r149": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "6", "Section": "Disclosure", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=6&code=ifrs-tx-2022-en-r&doctype=Standard&dita_xref=IFRS06_g23-25__IFRS06_g23-25_TI", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r15": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "54", "Subparagraph": "r", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_54_r&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r150": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "21C", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_21C&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r151": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "23B", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_23B_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r152": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "24G", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_24G_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r153": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "31", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_31&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r154": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "33", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_33&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r155": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "34", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_34&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r156": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "35H", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_35H&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r157": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "35I", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_35I&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r158": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "35K", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_35K_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r159": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "35K", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_35K&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r16": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "55", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_55&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r160": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "35M", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_35M&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r161": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "36", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_36&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r162": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "39", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_39_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r163": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "42E", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_42E_e&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r164": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "42J", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_42J_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r165": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "7", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_7&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r166": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "8", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_8_e&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r167": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "8", "Subparagraph": "f", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_8_f&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r168": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "8", "Subparagraph": "h", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_8_h&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r169": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "8", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_8&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r17": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "56", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_56&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r170": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Section": "Defined terms", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&doctype=Appendix&subtype=A&dita_xref=IFRS07_APPA__IFRS07_APPA_TI", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r171": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Section": "Scope", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&doctype=Standard&dita_xref=IFRS07_g3-5A__IFRS07_g3-5A_TI", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r172": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "8", "Paragraph": "23", "Subparagraph": "h", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_23_h&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r173": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "8", "Paragraph": "23", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_23&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r174": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "8", "Paragraph": "28", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_28_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r175": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "8", "Paragraph": "28", "Subparagraph": "c", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_28_c&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r176": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "8", "Paragraph": "28", "Subparagraph": "d", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_28_d&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r177": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "8", "Paragraph": "33", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_33&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r178": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "8", "Section": "Disclosure", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&doctype=Standard&dita_xref=IFRS08_g20-24__IFRS08_g20-24_TI", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r179": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "109", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2022-en-r&anchor=para_109&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r18": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "61", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_61_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r180": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "109A", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2022-en-r&anchor=para_109A&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r181": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "113", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2022-en-r&anchor=para_113_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r182": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "120", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2022-en-r&anchor=para_120&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r183": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "124", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2022-en-r&anchor=para_124&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r184": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "125", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2022-en-r&anchor=para_125&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r185": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "127", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2022-en-r&anchor=para_127&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r186": { "Clause": "ii", "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "128", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2022-en-r&anchor=para_128_a_ii&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r187": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "128", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2022-en-r&anchor=para_128_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r188": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "132", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2022-en-r&anchor=para_132_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r189": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Effective on first application of IFRS 9", "Number": "4", "Paragraph": "39L", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2022-en-b&anchor=para_39L_e&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r19": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "61", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_61&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r190": { "IssueDate": "2022-03-24", "Name": "IAS", "Note": "Expiry date 2023-01-01", "Number": "1", "Paragraph": "117", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_117&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r191": { "Clause": "ii", "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "7", "Paragraph": "20", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_20_a_ii&doctype=Standard&book=b", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r192": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "7", "Paragraph": "36", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_36_a&doctype=Standard&book=b", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r193": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "108", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_108&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r194": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "78", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_78_e&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r195": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "IG6", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_IG6&doctype=Implementation%20Guidance", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r196": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "10", "Paragraph": "22", "Subparagraph": "f", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=10&code=ifrs-tx-2022-en-r&anchor=para_22_f&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r197": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "19", "Paragraph": "138", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_138_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r198": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "19", "Paragraph": "147", "Subparagraph": "c", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_147_c&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r199": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "32", "Paragraph": "IE33", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=32&code=ifrs-tx-2022-en-r&anchor=para_IE33&doctype=Illustrative%20Examples", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r2": { "Clause": "i", "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "106", "Subparagraph": "d", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_106_d_i&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r20": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "66", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_66&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r200": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "36", "Paragraph": "127", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2022-en-r&anchor=para_127&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r201": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "38", "Paragraph": "119", "Subparagraph": "c", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2022-en-r&anchor=para_119_c&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r202": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "16", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_16_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r203": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "16", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_16_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r204": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "17", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_17_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r205": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "17", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_17_e&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r206": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Section": "A Statement of cash flows for an entity other than a financial institution", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&doctype=Illustrative%20Examples&dita_xref=IAS07_IE_A__IAS07_IE_A_TI", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r207": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "12", "Paragraph": "B10", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_B10_b&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r208": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "13", "Paragraph": "94", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2022-en-r&anchor=para_94&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r209": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "13", "Paragraph": "B6", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2022-en-r&anchor=para_B6&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r21": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "69", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_69&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r210": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "13", "Paragraph": "IE60", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2022-en-r&anchor=para_IE60&doctype=Illustrative%20Examples", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r211": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "13", "Paragraph": "IE63", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2022-en-r&anchor=para_IE63&doctype=Illustrative%20Examples", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r212": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "15", "Paragraph": "B89", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2022-en-r&anchor=para_B89_b&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r213": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "16", "Paragraph": "53", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_53&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r214": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "B11", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_B11&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r215": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "B35", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_B35_e&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r216": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "B35", "Subparagraph": "g", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_B35_g&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r217": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "B35", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_B35&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r218": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "IG31A", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_IG31A&doctype=Implementation%20Guidance", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r219": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "113", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2022-en-r&anchor=para_113_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r22": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "78", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_78_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r220": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "96", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2022-en-r&anchor=para_96_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r221": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Effective on first application of IFRS 9", "Number": "4", "Paragraph": "39L", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2022-en-b&anchor=para_39L_e&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r222": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "7", "Paragraph": "37", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_37_b&doctype=Standard&book=b", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r223": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "7", "Paragraph": "IG29", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_IG29_a&doctype=Implementation%20Guidance&book=b", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r224": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r225": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r226": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b-2", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r227": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "d1-1", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r228": { "Name": "Form 10-K", "Number": "249", "Publisher": "SEC", "Section": "310", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r229": { "Name": "Form 20-F", "Number": "249", "Publisher": "SEC", "Section": "220", "Subsection": "f", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r23": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "78", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_78_e&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r230": { "Name": "Form 40-F", "Number": "249", "Publisher": "SEC", "Section": "240", "Subsection": "f", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r231": { "Name": "Regulation S-T", "Number": "232", "Publisher": "SEC", "Section": "405", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r232": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "10", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_10_e&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r233": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "106", "Subparagraph": "d", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_106_d&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r234": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "108", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_108&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r235": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "112", "Subparagraph": "c", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_112_c&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r236": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "20", "Subparagraph": "d", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_20_d&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r237": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "55", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_55&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r238": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "85", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_85&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r239": { "Clause": "i", "IssueDate": "2022-03-24", "Name": "IAS", "Number": "12", "Paragraph": "81", "Subparagraph": "g", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_g_i&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r24": { "Clause": "iv", "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "79", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_79_a_iv&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r240": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "16", "Paragraph": "37", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_37&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r241": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "19", "Paragraph": "9", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_9&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r242": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "36", "Paragraph": "127", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2022-en-r&anchor=para_127&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r243": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "16", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_16&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r244": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "17", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_17&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r245": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "20", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_20_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r246": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "20", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_20_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r247": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "20", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_20&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r248": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "45", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_45&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r249": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "13", "Paragraph": "93", "Subparagraph": "h", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2022-en-r&anchor=para_93_h&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r25": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "79", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_79_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r250": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "41", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_41&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r251": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "7", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_7&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r252": { "IssueDate": "2022-03-24", "Name": "IAS", "Note": "Effective 2023-01-01", "Number": "1", "Paragraph": "117", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_117&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r253": { "IssueDate": "2022-03-24", "Name": "IAS", "Note": "Expiry date 2023-01-01", "Number": "1", "Paragraph": "117", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-b&anchor=para_117_b&doctype=Standard&forcepdf=true", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r254": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "7", "Paragraph": "37", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_37_b&doctype=Standard&book=b", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r255": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "7", "Paragraph": "IG29", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_IG29&doctype=Implementation%20Guidance&book=b", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r26": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "79", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_79_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r27": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "79", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_79&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r28": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "81A", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_81A_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r29": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "81A", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_81A_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r3": { "Clause": "ii", "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "106", "Subparagraph": "d", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_106_d_ii&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r30": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "81A", "Subparagraph": "c", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_81A_c&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r31": { "Clause": "i", "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "81B", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_81B_a_i&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r32": { "Clause": "ii", "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "81B", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_81B_a_ii&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r33": { "Clause": "i", "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "81B", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_81B_b_i&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r34": { "Clause": "ii", "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "81B", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_81B_b_ii&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r35": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "82", "Subparagraph": "d", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_82_d&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r36": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "91", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_91_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r37": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "99", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_99&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r38": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "10", "Paragraph": "21", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=10&code=ifrs-tx-2022-en-r&anchor=para_21&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r39": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "12", "Paragraph": "79", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_79&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r4": { "Clause": "iii", "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "106", "Subparagraph": "d", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_106_d_iii&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r40": { "Clause": "i", "IssueDate": "2022-03-24", "Name": "IAS", "Number": "12", "Paragraph": "81", "Subparagraph": "c", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_c_i&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r41": { "Clause": "ii", "IssueDate": "2022-03-24", "Name": "IAS", "Number": "12", "Paragraph": "81", "Subparagraph": "c", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_c_ii&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r42": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "12", "Paragraph": "81", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_e&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r43": { "Clause": "i", "IssueDate": "2022-03-24", "Name": "IAS", "Number": "12", "Paragraph": "81", "Subparagraph": "g", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_g_i&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r44": { "Clause": "ii", "IssueDate": "2022-03-24", "Name": "IAS", "Number": "12", "Paragraph": "81", "Subparagraph": "g", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_g_ii&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r45": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "12", "Paragraph": "81", "Subparagraph": "g", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_g&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r46": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "12", "Section": "Disclosure", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&doctype=Standard&dita_xref=IAS12_g79-88__IAS12_g79-88_TI", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r47": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "16", "Paragraph": "73", "Subparagraph": "d", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_73_d&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r48": { "Clause": "i", "IssueDate": "2022-03-24", "Name": "IAS", "Number": "16", "Paragraph": "73", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_73_e_i&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r49": { "Clause": "ii", "IssueDate": "2022-03-24", "Name": "IAS", "Number": "16", "Paragraph": "73", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_73_e_ii&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r5": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "106", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_106&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r50": { "Clause": "vii", "IssueDate": "2022-03-24", "Name": "IAS", "Number": "16", "Paragraph": "73", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_73_e_vii&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r51": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "16", "Paragraph": "73", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_73_e&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r52": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "16", "Paragraph": "73", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_73&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r53": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "16", "Paragraph": "75", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_75_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r54": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "16", "Section": "Disclosure", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&doctype=Standard&dita_xref=IAS16_g73-79__IAS16_g73-79_TI", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r55": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "21", "Paragraph": "52", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=21&code=ifrs-tx-2022-en-r&anchor=para_52_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r56": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "24", "Paragraph": "17", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2022-en-r&anchor=para_17_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r57": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "24", "Paragraph": "17", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2022-en-r&anchor=para_17_e&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r58": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "24", "Paragraph": "17", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2022-en-r&anchor=para_17&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r59": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "24", "Paragraph": "18", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2022-en-r&anchor=para_18_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r6": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "125", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_125&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r60": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "24", "Paragraph": "18A", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2022-en-r&anchor=para_18A&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r61": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "24", "Paragraph": "19", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2022-en-r&anchor=para_19&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r62": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "24", "Paragraph": "20", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2022-en-r&anchor=para_20&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r63": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "24", "Section": "Disclosures", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2022-en-r&doctype=Standard&dita_xref=IAS24_g13-24__IAS24_g13-24_TI", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r64": { "Clause": "viii", "IssueDate": "2022-03-24", "Name": "IAS", "Number": "26", "Paragraph": "35", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=26&code=ifrs-tx-2022-en-r&anchor=para_35_b_viii&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r65": { "Clause": "iii", "IssueDate": "2022-03-24", "Name": "IAS", "Number": "27", "Paragraph": "16", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2022-en-r&anchor=para_16_b_iii&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r66": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "27", "Paragraph": "16", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2022-en-r&anchor=para_16_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r67": { "Clause": "iii", "IssueDate": "2022-03-24", "Name": "IAS", "Number": "27", "Paragraph": "17", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2022-en-r&anchor=para_17_b_iii&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r68": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "27", "Paragraph": "17", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2022-en-r&anchor=para_17_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r69": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "36", "Paragraph": "126", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2022-en-r&anchor=para_126&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r7": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "134", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_134&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r70": { "Clause": "ii", "IssueDate": "2022-03-24", "Name": "IAS", "Number": "36", "Paragraph": "130", "Subparagraph": "d", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2022-en-r&anchor=para_130_d_ii&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r71": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "38", "Paragraph": "118", "Subparagraph": "c", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2022-en-r&anchor=para_118_c&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r72": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "38", "Paragraph": "118", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2022-en-r&anchor=para_118_e&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r73": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "38", "Paragraph": "118", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2022-en-r&anchor=para_118&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r74": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "40", "Paragraph": "32A", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2022-en-r&anchor=para_32A&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r75": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "40", "Paragraph": "76", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2022-en-r&anchor=para_76&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r76": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "40", "Paragraph": "79", "Subparagraph": "c", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2022-en-r&anchor=para_79_c&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r77": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "40", "Paragraph": "79", "Subparagraph": "d", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2022-en-r&anchor=para_79_d&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r78": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "41", "Paragraph": "50", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=41&code=ifrs-tx-2022-en-r&anchor=para_50&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r79": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "41", "Paragraph": "54", "Subparagraph": "f", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=41&code=ifrs-tx-2022-en-r&anchor=para_54_f&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r8": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "35", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_35&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r80": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "41", "Paragraph": "55", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=41&code=ifrs-tx-2022-en-r&anchor=para_55&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r81": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "10", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_10&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r82": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "18", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_18_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r83": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "25", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_25&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r84": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "28", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_28&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r85": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "45", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_45&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r86": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "46", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_46&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r87": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "50", "Subparagraph": "d", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_50_d&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r88": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Section": "Presentation of a statement of cash flows", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&doctype=Standard&dita_xref=IAS07_g10-17__IAS07_g10-17_TI", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r89": { "Clause": "i", "IssueDate": "2022-03-24", "Name": "IAS", "Number": "8", "Paragraph": "28", "Subparagraph": "f", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=8&code=ifrs-tx-2022-en-r&anchor=para_28_f_i&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r9": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "54", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_54_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r90": { "Clause": "i", "IssueDate": "2022-03-24", "Name": "IAS", "Number": "8", "Paragraph": "29", "Subparagraph": "c", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=8&code=ifrs-tx-2022-en-r&anchor=para_29_c_i&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r91": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "8", "Paragraph": "30", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=8&code=ifrs-tx-2022-en-r&anchor=para_30_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r92": { "Clause": "i", "IssueDate": "2022-03-24", "Name": "IAS", "Number": "8", "Paragraph": "49", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=8&code=ifrs-tx-2022-en-r&anchor=para_49_b_i&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r93": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "1", "Paragraph": "24", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2022-en-r&anchor=para_24_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r94": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "1", "Paragraph": "24", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2022-en-r&anchor=para_24_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r95": { "Clause": "i", "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "1", "Paragraph": "32", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2022-en-r&anchor=para_32_a_i&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r96": { "Clause": "ii", "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "1", "Paragraph": "32", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2022-en-r&anchor=para_32_a_ii&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r97": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "10", "Paragraph": "22", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=10&code=ifrs-tx-2022-en-r&anchor=para_22&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r98": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "12", "Paragraph": "12", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_12_e&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r99": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "12", "Paragraph": "12", "Subparagraph": "f", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_12_f&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" } }, "version": "2.2" }