{ "instance": { "nmg-20221231x40f.htm nmg-20221231xex99d2.htm": { "axisCustom": 3, "axisStandard": 29, "baseTaxonomies": { "http://xbrl.sec.gov/dei/2022": 41, "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full": 866 }, "contextCount": 373, "dts": { "calculationLink": { "local": [ "nmg-20221231_cal.xml" ] }, "definitionLink": { "local": [ "nmg-20221231_def.xml" ] }, "inline": { "local": [ "nmg-20221231x40f.htm", "nmg-20221231xex99d2.htm" ] }, "labelLink": { "local": [ "nmg-20221231_lab.xml" ] }, "presentationLink": { "local": [ "nmg-20221231_pre.xml" ] }, "schema": { "local": [ "nmg-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/esma-arcrole-2018-11-21.xsd", "http://www.xbrl.org/lrr/role/negated-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.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" ] } }, "elementCount": 744, "entityCount": 1, "hidden": { "http://www.nouveaumonde.com/20221231": 15, "http://xbrl.sec.gov/dei/2022": 7, "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full": 25, "total": 47 }, "keyCustom": 164, "keyStandard": 275, "memberCustom": 54, "memberStandard": 39, "nsprefix": "nmg", "nsuri": "http://www.nouveaumonde.com/20221231", "report": { "R1": { "firstAnchor": { "ancestors": [ "p", "div", "div", "body", "html" ], "baseRef": "nmg-20221231x40f.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "true", "longName": "00090 - Document - Document and Entity Information", "menuCat": "Cover", "order": "1", "role": "http://www.nouveaumonde.com/role/DocumentDocumentAndEntityInformation", "shortName": "Document and Entity Information", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "p", "div", "div", "body", "html" ], "baseRef": "nmg-20221231x40f.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R10": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:EstimatesjudgementsandassumptionsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10501 - Disclosure - ESTIMATES, JUDGEMENTS AND ASSUMPTIONS", "menuCat": "Notes", "order": "10", "role": "http://www.nouveaumonde.com/role/DisclosureEstimatesJudgementsAndAssumptions", "shortName": "ESTIMATES, JUDGEMENTS AND ASSUMPTIONS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:EstimatesjudgementsandassumptionsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R11": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10601 - Disclosure - CASH AND CASH EQUIVALENTS", "menuCat": "Notes", "order": "11", "role": "http://www.nouveaumonde.com/role/DisclosureCashAndCashEquivalents", "shortName": "CASH AND CASH EQUIVALENTS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R12": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10701 - Disclosure - INVESTMENTS - LISTED SHARES", "menuCat": "Notes", "order": "12", "role": "http://www.nouveaumonde.com/role/DisclosureInvestmentsListedShares", "shortName": "INVESTMENTS - LISTED SHARES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R13": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10801 - Disclosure - PROPERTY, PLANT AND EQUIPMENT", "menuCat": "Notes", "order": "13", "role": "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipment", "shortName": "PROPERTY, PLANT AND EQUIPMENT", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R14": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfIntangibleAssetsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10901 - Disclosure - INTANGIBLE ASSETS", "menuCat": "Notes", "order": "14", "role": "http://www.nouveaumonde.com/role/DisclosureIntangibleAssets", "shortName": "INTANGIBLE ASSETS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfIntangibleAssetsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R15": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11001 - Disclosure - RIGHT-OF-USE ASSETS", "menuCat": "Notes", "order": "15", "role": "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssets", "shortName": "RIGHT-OF-USE ASSETS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R16": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11101 - Disclosure - ACCOUNTS PAYABLES AND ACCRUED LIABILITIES", "menuCat": "Notes", "order": "16", "role": "http://www.nouveaumonde.com/role/DisclosureAccountsPayablesAndAccruedLiabilities", "shortName": "ACCOUNTS PAYABLES AND ACCRUED LIABILITIES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R17": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfGovernmentGrantsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11201 - Disclosure - GRANTS RECEIVABLE AND OTHER CURRENT ASSETS", "menuCat": "Notes", "order": "17", "role": "http://www.nouveaumonde.com/role/DisclosureGrantsReceivableAndOtherCurrentAssets", "shortName": "GRANTS RECEIVABLE AND OTHER CURRENT ASSETS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfGovernmentGrantsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R18": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:LeaseLiabilitiesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11301 - Disclosure - LEASE LIABILITIES", "menuCat": "Notes", "order": "18", "role": "http://www.nouveaumonde.com/role/DisclosureLeaseLiabilities", "shortName": "LEASE LIABILITIES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:LeaseLiabilitiesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R19": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfBorrowingsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11401 - Disclosure - BORROWINGS", "menuCat": "Notes", "order": "19", "role": "http://www.nouveaumonde.com/role/DisclosureBorrowings", "shortName": "BORROWINGS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfBorrowingsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R2": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_PKELwx1u2UadS3piiZsu_Q", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:CashAndCashEquivalents", "reportCount": 1, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "00100 - Statement - CONSOLIDATED STATEMENTS OF FINANCIAL POSITION", "menuCat": "Statements", "order": "2", "role": "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition", "shortName": "CONSOLIDATED STATEMENTS OF FINANCIAL POSITION", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_PKELwx1u2UadS3piiZsu_Q", "decimals": "-3", "lang": null, "name": "ifrs-full:TradeAndOtherCurrentReceivables", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R20": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:DisclosureOfConvertibleNotesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11501 - Disclosure - CONVERTIBLE NOTES", "menuCat": "Notes", "order": "20", "role": "http://www.nouveaumonde.com/role/DisclosureConvertibleNotes", "shortName": "CONVERTIBLE NOTES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:DisclosureOfConvertibleNotesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R21": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:IfrsAssetRetirementObligationDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11601 - Disclosure - ASSET RETIREMENT OBLIGATION", "menuCat": "Notes", "order": "21", "role": "http://www.nouveaumonde.com/role/DisclosureAssetRetirementObligation", "shortName": "ASSET RETIREMENT OBLIGATION", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:IfrsAssetRetirementObligationDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R22": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11701 - Disclosure - EQUITY", "menuCat": "Notes", "order": "22", "role": "http://www.nouveaumonde.com/role/DisclosureEquity", "shortName": "EQUITY", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R23": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfExplorationAndEvaluationAssetsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11801 - Disclosure - EXPLORATION AND EVALUATION EXPENSES", "menuCat": "Notes", "order": "23", "role": "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpenses", "shortName": "EXPLORATION AND EVALUATION EXPENSES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfExplorationAndEvaluationAssetsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R24": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:BatteryMaterialPlantProjectExpensesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11901 - Disclosure - BATTERY MATERIAL PLANT PROJECT EXPENSES", "menuCat": "Notes", "order": "24", "role": "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpenses", "shortName": "BATTERY MATERIAL PLANT PROJECT EXPENSES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:BatteryMaterialPlantProjectExpensesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R25": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfGeneralAndAdministrativeExpenseExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "12001 - Disclosure - GENERAL AND ADMINISTRATIVE EXPENSES", "menuCat": "Notes", "order": "25", "role": "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpenses", "shortName": "GENERAL AND ADMINISTRATIVE EXPENSES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfGeneralAndAdministrativeExpenseExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R26": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfFinanceIncomeExpenseExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "12101 - Disclosure - NET FINANCIAL COSTS (INCOME)", "menuCat": "Notes", "order": "26", "role": "http://www.nouveaumonde.com/role/DisclosureNetFinancialCostsIncome", "shortName": "NET FINANCIAL COSTS (INCOME)", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfFinanceIncomeExpenseExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R27": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfIncomeTaxExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "12201 - Disclosure - INCOME TAXES", "menuCat": "Notes", "order": "27", "role": "http://www.nouveaumonde.com/role/DisclosureIncomeTaxes", "shortName": "INCOME TAXES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfIncomeTaxExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R28": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:AdditionalCashFlowInformationTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "12301 - Disclosure - ADDITIONAL CASH FLOW INFORMATION", "menuCat": "Notes", "order": "28", "role": "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformation", "shortName": "ADDITIONAL CASH FLOW INFORMATION", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:AdditionalCashFlowInformationTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R29": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfRelatedPartyExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "12401 - Disclosure - RELATED PARTY TRANSACTIONS", "menuCat": "Notes", "order": "29", "role": "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactions", "shortName": "RELATED PARTY TRANSACTIONS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfRelatedPartyExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R3": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:ExpenseArisingFromExplorationForAndEvaluationOfMineralResources", "reportCount": 1, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "00200 - Statement - CONSOLIDATED STATEMENTS OF LOSS AND COMPREHENSIVE LOSS", "menuCat": "Statements", "order": "3", "role": "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss", "shortName": "CONSOLIDATED STATEMENTS OF LOSS AND COMPREHENSIVE LOSS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_bYQZT63CUEO0DZ-VqF7jhQ", "decimals": "-3", "lang": null, "name": "ifrs-full:OtherRevenue", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R30": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "12501 - Disclosure - INFORMATION DISCLOSURE ABOUT CAPITAL MANAGEMENT", "menuCat": "Notes", "order": "30", "role": "http://www.nouveaumonde.com/role/DisclosureInformationDisclosureAboutCapitalManagement", "shortName": "INFORMATION DISCLOSURE ABOUT CAPITAL MANAGEMENT", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R31": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfFinancialInstrumentsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "12601 - Disclosure - FINANCIAL INSTRUMENTS AND RISK MANAGEMENT", "menuCat": "Notes", "order": "31", "role": "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagement", "shortName": "FINANCIAL INSTRUMENTS AND RISK MANAGEMENT", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfFinancialInstrumentsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R32": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "12701 - Disclosure - ADDITIONAL SEGMENT INFORMATION", "menuCat": "Notes", "order": "32", "role": "http://www.nouveaumonde.com/role/DisclosureAdditionalSegmentInformation", "shortName": "ADDITIONAL SEGMENT INFORMATION", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R33": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfCommitmentsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "12801 - Disclosure - COMMITMENTS", "menuCat": "Notes", "order": "33", "role": "http://www.nouveaumonde.com/role/DisclosureCommitments", "shortName": "COMMITMENTS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfCommitmentsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R34": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "20302 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Policies)", "menuCat": "Policies", "order": "34", "role": "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPolicies", "shortName": "SIGNIFICANT ACCOUNTING POLICIES (Policies)", "subGroupType": "policies", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R35": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory", "ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfInterestsInSubsidiariesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "30303 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Tables)", "menuCat": "Tables", "order": "35", "role": "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesTables", "shortName": "SIGNIFICANT ACCOUNTING POLICIES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory", "ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfInterestsInSubsidiariesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R36": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "30803 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Tables)", "menuCat": "Tables", "order": "36", "role": "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentTables", "shortName": "PROPERTY, PLANT AND EQUIPMENT (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R37": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfIntangibleAssetsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "30903 - Disclosure - INTANGIBLE ASSETS (Tables)", "menuCat": "Tables", "order": "37", "role": "http://www.nouveaumonde.com/role/DisclosureIntangibleAssetsTables", "shortName": "INTANGIBLE ASSETS (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfIntangibleAssetsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R38": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:ScheduleOfCarryingAmountAndMovementsOfRightOfUseAssetTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31003 - Disclosure - RIGHT-OF-USE ASSETS (Tables)", "menuCat": "Tables", "order": "38", "role": "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsTables", "shortName": "RIGHT-OF-USE ASSETS (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:ScheduleOfCarryingAmountAndMovementsOfRightOfUseAssetTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R39": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31103 - Disclosure - ACCOUNTS PAYABLES AND ACCRUED LIABILITIES (Tables)", "menuCat": "Tables", "order": "39", "role": "http://www.nouveaumonde.com/role/DisclosureAccountsPayablesAndAccruedLiabilitiesTables", "shortName": "ACCOUNTS PAYABLES AND ACCRUED LIABILITIES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R4": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2020_ifrs-full_ComponentsOfEquityAxis_ifrs-full_IssuedCapitalMember_CGgf1RqpLE2-Qi8YdAI8pQ", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:Equity", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "00300 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY", "menuCat": "Statements", "order": "4", "role": "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity", "shortName": "CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2020_ifrs-full_ComponentsOfEquityAxis_ifrs-full_IssuedCapitalMember_CGgf1RqpLE2-Qi8YdAI8pQ", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:Equity", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R40": { "firstAnchor": { "ancestors": [ "nmg:LeaseLiabilitiesTextBlock", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:ScheduleOfLeaseLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31303 - Disclosure - LEASE LIABILITIES (Tables)", "menuCat": "Tables", "order": "40", "role": "http://www.nouveaumonde.com/role/DisclosureLeaseLiabilitiesTables", "shortName": "LEASE LIABILITIES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "nmg:LeaseLiabilitiesTextBlock", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:ScheduleOfLeaseLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R41": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfBorrowingsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31403 - Disclosure - BORROWINGS (Tables)", "menuCat": "Tables", "order": "41", "role": "http://www.nouveaumonde.com/role/DisclosureBorrowingsTables", "shortName": "BORROWINGS (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfBorrowingsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R42": { "firstAnchor": { "ancestors": [ "nmg:DisclosureOfConvertibleNotesTextBlock", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:DisclosureOfConvertibleBondsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31503 - Disclosure - CONVERTIBLE NOTES (Tables)", "menuCat": "Tables", "order": "42", "role": "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesTables", "shortName": "CONVERTIBLE NOTES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "nmg:DisclosureOfConvertibleNotesTextBlock", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:DisclosureOfConvertibleBondsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R43": { "firstAnchor": { "ancestors": [ "nmg:IfrsAssetRetirementObligationDisclosureTextBlock", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:IfrsScheduleOfChangeInAssetRetirementObligationTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31603 - Disclosure - ASSET RETIREMENT OBLIGATION (Tables)", "menuCat": "Tables", "order": "43", "role": "http://www.nouveaumonde.com/role/DisclosureAssetRetirementObligationTables", "shortName": "ASSET RETIREMENT OBLIGATION (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "nmg:IfrsAssetRetirementObligationDisclosureTextBlock", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:IfrsScheduleOfChangeInAssetRetirementObligationTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R44": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31703 - Disclosure - EQUITY (Tables)", "menuCat": "Tables", "order": "44", "role": "http://www.nouveaumonde.com/role/DisclosureEquityTables", "shortName": "EQUITY (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R45": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfExplorationAndEvaluationAssetsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:ScheduleOfExplorationAndEvaluationExpensesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31803 - Disclosure - EXPLORATION AND EVALUATION EXPENSES (Tables)", "menuCat": "Tables", "order": "45", "role": "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesTables", "shortName": "EXPLORATION AND EVALUATION EXPENSES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfExplorationAndEvaluationAssetsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:ScheduleOfExplorationAndEvaluationExpensesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R46": { "firstAnchor": { "ancestors": [ "nmg:BatteryMaterialPlantProjectExpensesTextBlock", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:ScheduleOfBatteryMaterialPlantProjectExpensesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31903 - Disclosure - BATTERY MATERIAL PLANT PROJECT EXPENSES (Tables)", "menuCat": "Tables", "order": "46", "role": "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesTables", "shortName": "BATTERY MATERIAL PLANT PROJECT EXPENSES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "nmg:BatteryMaterialPlantProjectExpensesTextBlock", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:ScheduleOfBatteryMaterialPlantProjectExpensesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R47": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfGeneralAndAdministrativeExpenseExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:ScheduleofgeneralandadministrativeexpensesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "32003 - Disclosure - GENERAL AND ADMINISTRATIVE EXPENSES (Tables)", "menuCat": "Tables", "order": "47", "role": "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesTables", "shortName": "GENERAL AND ADMINISTRATIVE EXPENSES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfGeneralAndAdministrativeExpenseExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:ScheduleofgeneralandadministrativeexpensesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R48": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfFinanceIncomeExpenseExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:ScheduleOfFinanceIncomeExpenseTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "32103 - Disclosure - NET FINANCIAL COSTS (INCOME) (Tables)", "menuCat": "Tables", "order": "48", "role": "http://www.nouveaumonde.com/role/DisclosureNetFinancialCostsIncomeTables", "shortName": "NET FINANCIAL COSTS (INCOME) (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfFinanceIncomeExpenseExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:ScheduleOfFinanceIncomeExpenseTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R49": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfIncomeTaxExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "32203 - Disclosure - INCOME TAXES (Tables)", "menuCat": "Tables", "order": "49", "role": "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTables", "shortName": "INCOME TAXES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfIncomeTaxExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R5": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:ProfitLoss", "reportCount": 1, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "00400 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS", "menuCat": "Statements", "order": "5", "role": "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows", "shortName": "CONSOLIDATED STATEMENTS OF CASH FLOWS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": "-3", "lang": null, "name": "ifrs-full:AdjustmentsForDepreciationAndAmortisationExpense", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R50": { "firstAnchor": { "ancestors": [ "nmg:AdditionalCashFlowInformationTextBlock", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:ScheduleOfAdditionalCashFlowInformationTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "32303 - Disclosure - ADDITIONAL CASH FLOW INFORMATION (Tables)", "menuCat": "Tables", "order": "50", "role": "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationTables", "shortName": "ADDITIONAL CASH FLOW INFORMATION (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "nmg:AdditionalCashFlowInformationTextBlock", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:ScheduleOfAdditionalCashFlowInformationTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R51": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfRelatedPartyExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "32403 - Disclosure - RELATED PARTY TRANSACTIONS (Tables)", "menuCat": "Tables", "order": "51", "role": "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsTables", "shortName": "RELATED PARTY TRANSACTIONS (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfRelatedPartyExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R52": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfFinancialInstrumentsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "32603 - Disclosure - FINANCIAL INSTRUMENTS AND RISK MANAGEMENT (Tables)", "menuCat": "Tables", "order": "52", "role": "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementTables", "shortName": "FINANCIAL INSTRUMENTS AND RISK MANAGEMENT (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfFinancialInstrumentsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R53": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfOperatingSegmentsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "32703 - Disclosure - ADDITIONAL SEGMENT INFORMATION (Tables)", "menuCat": "Tables", "order": "53", "role": "http://www.nouveaumonde.com/role/DisclosureAdditionalSegmentInformationTables", "shortName": "ADDITIONAL SEGMENT INFORMATION (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfOperatingSegmentsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R54": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_PKELwx1u2UadS3piiZsu_Q", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:RetainedEarnings", "reportCount": 1, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40101 - Disclosure - NATURE OF OPERATIONS AND GOING CONCERN (Details)", "menuCat": "Details", "order": "54", "role": "http://www.nouveaumonde.com/role/DisclosureNatureOfOperationsAndGoingConcernDetails", "shortName": "NATURE OF OPERATIONS AND GOING CONCERN (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfNotesAndOtherExplanatoryInformationExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_11_30_2022_pHA2sF-OMESmHdsdVclSWA", "decimals": "-5", "lang": null, "name": "ifrs-full:NotesAndDebenturesIssued", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R55": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "nmg:ScheduleOfUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock", "ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_ifrs-full_BuildingsMember_ifrs-full_RangeAxis_srt_MinimumMember_FXQqw6TM80K9ANIQdX90EA", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40301 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Property and equipment (Details)", "menuCat": "Details", "order": "55", "role": "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPropertyAndEquipmentDetails", "shortName": "SIGNIFICANT ACCOUNTING POLICIES - Property and equipment (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "nmg:ScheduleOfUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock", "ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_ifrs-full_BuildingsMember_ifrs-full_RangeAxis_srt_MinimumMember_FXQqw6TM80K9ANIQdX90EA", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R56": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_ifrs-full_ComputerSoftwareMember_FGnoVmhsWkCEPyqwJCY1mw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40302 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Intangible assets (Details)", "menuCat": "Details", "order": "56", "role": "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesIntangibleAssetsDetails", "shortName": "SIGNIFICANT ACCOUNTING POLICIES - Intangible assets (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_ifrs-full_ComputerSoftwareMember_FGnoVmhsWkCEPyqwJCY1mw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R57": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_PKELwx1u2UadS3piiZsu_Q", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:CashAndCashEquivalents", "reportCount": 1, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40601 - Disclosure - CASH AND CASH EQUIVALENTS (Details)", "menuCat": "Details", "order": "57", "role": "http://www.nouveaumonde.com/role/DisclosureCashAndCashEquivalentsDetails", "shortName": "CASH AND CASH EQUIVALENTS (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_PKELwx1u2UadS3piiZsu_Q", "decimals": "-3", "lang": null, "name": "ifrs-full:BalancesWithBanks", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_WIlsX-DX-EiMpOXRKod3jg", "xsiNil": "false" } }, "R58": { "firstAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_ifrs-full_TypesOfInvestmentPropertyAxis_nmg_LacGueretPropertyMember_GgEsbu9i_028bhl_ZMKhxw", "decimals": "-3", "first": true, "lang": null, "name": "nmg:PreliminaryEconomicAssessment", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40701 - Disclosure - INVESTMENTS - LISTED SHARES (Details)", "menuCat": "Details", "order": "58", "role": "http://www.nouveaumonde.com/role/DisclosureInvestmentsListedSharesDetails", "shortName": "INVESTMENTS - LISTED SHARES (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_ifrs-full_TypesOfInvestmentPropertyAxis_nmg_LacGueretPropertyMember_GgEsbu9i_028bhl_ZMKhxw", "decimals": "-3", "first": true, "lang": null, "name": "nmg:PreliminaryEconomicAssessment", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R59": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2021_mBkNYUqO5kCx-l1-2vtWWw", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:PropertyPlantAndEquipment", "reportCount": 1, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40801 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Details)", "menuCat": "Details", "order": "59", "role": "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentDetails", "shortName": "PROPERTY, PLANT AND EQUIPMENT (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory", "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2020_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_ifrs-full_GrossCarryingAmountMember_MdPjX6cr0kuEr9pnjUkfbA", "decimals": "-3", "lang": null, "name": "ifrs-full:PropertyPlantAndEquipment", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R6": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfNotesAndOtherExplanatoryInformationExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10101 - Disclosure - NATURE OF OPERATIONS AND GOING CONCERN", "menuCat": "Notes", "order": "6", "role": "http://www.nouveaumonde.com/role/DisclosureNatureOfOperationsAndGoingConcern", "shortName": "NATURE OF OPERATIONS AND GOING CONCERN", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfNotesAndOtherExplanatoryInformationExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R60": { "firstAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2021_mBkNYUqO5kCx-l1-2vtWWw", "decimals": "-3", "first": true, "lang": null, "name": "nmg:PropertyPlantAndEquipmentNetOfGrantsReceived", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40802 - Disclosure - PROPERTY, PLANT AND EQUIPMENT- Additional Information (Details)", "menuCat": "Details", "order": "60", "role": "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentAdditionalInformationDetails", "shortName": "PROPERTY, PLANT AND EQUIPMENT- Additional Information (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2021_mBkNYUqO5kCx-l1-2vtWWw", "decimals": "-3", "first": true, "lang": null, "name": "nmg:PropertyPlantAndEquipmentNetOfGrantsReceived", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R61": { "firstAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfIntangibleAssetsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2019_To_12_31_2019_DEprI5Pq60q4FYNwRvBSQA", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40901 - Disclosure - INTANGIBLE ASSETS (Details)", "menuCat": "Details", "order": "61", "role": "http://www.nouveaumonde.com/role/DisclosureIntangibleAssetsDetails", "shortName": "INTANGIBLE ASSETS (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfIntangibleAssetsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2019_To_12_31_2019_DEprI5Pq60q4FYNwRvBSQA", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R62": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2021_mBkNYUqO5kCx-l1-2vtWWw", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:RightofuseAssets", "reportCount": 1, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41001 - Disclosure - RIGHT-OF-USE ASSETS (Details)", "menuCat": "Details", "order": "62", "role": "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsDetails", "shortName": "RIGHT-OF-USE ASSETS (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "nmg:ScheduleOfCarryingAmountAndMovementsOfRightOfUseAssetTableTextBlock", "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2020_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_ifrs-full_GrossCarryingAmountMember_MdPjX6cr0kuEr9pnjUkfbA", "decimals": "-3", "lang": null, "name": "ifrs-full:RightofuseAssets", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R63": { "firstAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:DepreciationRightofuseAssets", "reportCount": 1, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41002 - Disclosure - RIGHT-OF-USE ASSETS - Additional Information (Details)", "menuCat": "Details", "order": "63", "role": "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsAdditionalInformationDetails", "shortName": "RIGHT-OF-USE ASSETS - Additional Information (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis_nmg_BatteryMaterialPlantProjectExpensesMember_eORHHmycPken5oevfneeJA", "decimals": "-3", "lang": null, "name": "ifrs-full:DepreciationRightofuseAssets", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R64": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "nmg:ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock", "ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_PKELwx1u2UadS3piiZsu_Q", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41101 - Disclosure - ACCOUNTS PAYABLES AND ACCRUED LIABILITIES (Details)", "menuCat": "Details", "order": "64", "role": "http://www.nouveaumonde.com/role/DisclosureAccountsPayablesAndAccruedLiabilitiesDetails", "shortName": "ACCOUNTS PAYABLES AND ACCRUED LIABILITIES (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "nmg:ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock", "ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_PKELwx1u2UadS3piiZsu_Q", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R65": { "firstAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfGovernmentGrantsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_3_31_2020_salrpZZ2RE6We6CmcT0h8g", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:CurrentGovernmentGrants", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41201 - Disclosure - GRANTS RECEIVABLE AND OTHER CURRENT ASSETS (Details)", "menuCat": "Details", "order": "65", "role": "http://www.nouveaumonde.com/role/DisclosureGrantsReceivableAndOtherCurrentAssetsDetails", "shortName": "GRANTS RECEIVABLE AND OTHER CURRENT ASSETS (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfGovernmentGrantsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_3_31_2020_salrpZZ2RE6We6CmcT0h8g", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:CurrentGovernmentGrants", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R66": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "nmg:ScheduleOfLeaseLiabilitiesTableTextBlock", "nmg:LeaseLiabilitiesTextBlock", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2021_mBkNYUqO5kCx-l1-2vtWWw", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:LeaseLiabilities", "reportCount": 1, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41301 - Disclosure - LEASE LIABILITIES (Details)", "menuCat": "Details", "order": "66", "role": "http://www.nouveaumonde.com/role/DisclosureLeaseLiabilitiesDetails", "shortName": "LEASE LIABILITIES (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "nmg:ScheduleOfLeaseLiabilitiesTableTextBlock", "nmg:LeaseLiabilitiesTextBlock", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": "-3", "lang": null, "name": "nmg:AdditionsAndModificationOfLeasesLeaseLiabilities", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R67": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory", "ifrs-full:DisclosureOfBorrowingsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2021_mBkNYUqO5kCx-l1-2vtWWw", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:Borrowings", "reportCount": 1, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41401 - Disclosure - BORROWINGS (Details)", "menuCat": "Details", "order": "67", "role": "http://www.nouveaumonde.com/role/DisclosureBorrowingsDetails", "shortName": "BORROWINGS (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory", "ifrs-full:DisclosureOfBorrowingsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_bYQZT63CUEO0DZ-VqF7jhQ", "decimals": "-3", "lang": null, "name": "nmg:Newborrowing", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R68": { "firstAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfBorrowingsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2021_mBkNYUqO5kCx-l1-2vtWWw", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:LoansReceived", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41402 - Disclosure - BORROWINGS - Additional Information (Details)", "menuCat": "Details", "order": "68", "role": "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails", "shortName": "BORROWINGS - Additional Information (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfBorrowingsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2021_mBkNYUqO5kCx-l1-2vtWWw", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:LoansReceived", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R69": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_PKELwx1u2UadS3piiZsu_Q", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:NoncurrentPortionOfNoncurrentNotesAndDebenturesIssued", "reportCount": 1, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41501 - Disclosure - CONVERTIBLE NOTES (Details)", "menuCat": "Details", "order": "69", "role": "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails", "shortName": "CONVERTIBLE NOTES (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "nmg:DisclosureOfConvertibleBondsTableTextBlock", "nmg:DisclosureOfConvertibleNotesTextBlock", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": "-3", "lang": null, "name": "nmg:DebtIssueRelatedCosts", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R7": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:BasisofpreparationandstatementofcomplianceTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10201 - Disclosure - BASIS OF PREPARATION AND STATEMENT OF COMPLIANCE", "menuCat": "Notes", "order": "7", "role": "http://www.nouveaumonde.com/role/DisclosureBasisOfPreparationAndStatementOfCompliance", "shortName": "BASIS OF PREPARATION AND STATEMENT OF COMPLIANCE", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:BasisofpreparationandstatementofcomplianceTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R70": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsLiabilitiesExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_11_8_2022_ifrs-full_BorrowingsByNameAxis_nmg_Us50Million2022ConvertibleNotesWithMitsuiPallinghurstAndInvestissementQuebecMember_ifrs-full_UnobservableInputsAxis_nmg_SharePriceMeasurementInputMember_uLi4H6MU50CKXWPP73jFwg", "decimals": "2", "first": true, "lang": null, "name": "ifrs-full:SignificantUnobservableInputLiabilities", "reportCount": 1, "unique": true, "unitRef": "Unit_Divide_USD_shares_VyVq6atwVU-bULQtTvWUkQ", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41502 - Disclosure - CONVERTIBLE NOTES - Sensitivity analysis (Details)", "menuCat": "Details", "order": "70", "role": "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesSensitivityAnalysisDetails", "shortName": "CONVERTIBLE NOTES - Sensitivity analysis (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsLiabilitiesExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_11_8_2022_ifrs-full_BorrowingsByNameAxis_nmg_Us50Million2022ConvertibleNotesWithMitsuiPallinghurstAndInvestissementQuebecMember_ifrs-full_UnobservableInputsAxis_nmg_SharePriceMeasurementInputMember_uLi4H6MU50CKXWPP73jFwg", "decimals": "2", "first": true, "lang": null, "name": "ifrs-full:SignificantUnobservableInputLiabilities", "reportCount": 1, "unique": true, "unitRef": "Unit_Divide_USD_shares_VyVq6atwVU-bULQtTvWUkQ", "xsiNil": "false" } }, "R71": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": "INF", "first": true, "lang": null, "name": "nmg:IfrsStockIssuedDuringPeriodSharesConversionOfConvertibleSecurities", "reportCount": 1, "unitRef": "Unit_Standard_shares_EXAUsWF6JEiPhn0k4W14SQ", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41503 - Disclosure - CONVERTIBLE NOTES - 2020 - Convertible Note with Pallinghurst (Details)", "menuCat": "Details", "order": "71", "role": "http://www.nouveaumonde.com/role/DisclosureConvertibleNotes2020ConvertibleNoteWithPallinghurstDetails", "shortName": "CONVERTIBLE NOTES - 2020 - Convertible Note with Pallinghurst (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_10_1_2021_To_10_31_2021_ifrs-full_CategoriesOfRelatedPartiesAxis_nmg_PallinghurstMember_SaZJtE990EC4TqtfOwgjyA", "decimals": "INF", "lang": null, "name": "nmg:IfrsStockIssuedDuringPeriodSharesConversionOfConvertibleSecurities", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_shares_EXAUsWF6JEiPhn0k4W14SQ", "xsiNil": "false" } }, "R72": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2021_mBkNYUqO5kCx-l1-2vtWWw", "decimals": "-3", "first": true, "lang": null, "name": "nmg:IfrsAssetRetirementObligationsNoncurrent", "reportCount": 1, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41601 - Disclosure - ASSET RETIREMENT OBLIGATION (Details)", "menuCat": "Details", "order": "72", "role": "http://www.nouveaumonde.com/role/DisclosureAssetRetirementObligationDetails", "shortName": "ASSET RETIREMENT OBLIGATION (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "nmg:IfrsScheduleOfChangeInAssetRetirementObligationTableTextBlock", "nmg:IfrsAssetRetirementObligationDisclosureTextBlock", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2020_CUqre2x5p0OAq2Jhb1cTQA", "decimals": "-3", "lang": null, "name": "nmg:IfrsAssetRetirementObligationsNoncurrent", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R73": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_1_21_2022_U6yUGLYljkiIE8VIGU-gdQ", "decimals": "-6", "first": true, "lang": null, "name": "nmg:MaximumAmountOfferAndSaleOfSharesUnderAtmOffering", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_WIlsX-DX-EiMpOXRKod3jg", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41701 - Disclosure - EQUITY - Share capital (Details)", "menuCat": "Details", "order": "73", "role": "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails", "shortName": "EQUITY - Share capital (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_1_21_2022_U6yUGLYljkiIE8VIGU-gdQ", "decimals": "-6", "first": true, "lang": null, "name": "nmg:MaximumAmountOfferAndSaleOfSharesUnderAtmOffering", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_WIlsX-DX-EiMpOXRKod3jg", "xsiNil": "false" } }, "R74": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:ProfitLoss", "reportCount": 1, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41702 - Disclosure - EQUITY - Loss Per Share (Details)", "menuCat": "Details", "order": "74", "role": "http://www.nouveaumonde.com/role/DisclosureEquityLossPerShareDetails", "shortName": "EQUITY - Loss Per Share (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DisclosureOfEarningsPerShareExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": "-3", "lang": null, "name": "ifrs-full:GainsLossesOnChangeInFairValueOfDerivatives", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R75": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "nmg:ScheduleOfWarrantsTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2021_mBkNYUqO5kCx-l1-2vtWWw", "decimals": "INF", "first": true, "lang": null, "name": "nmg:NumberOfWarrantsOutstanding", "reportCount": 1, "unitRef": "Unit_Standard_shares_EXAUsWF6JEiPhn0k4W14SQ", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41703 - Disclosure - EQUITY - Warrants (Details)", "menuCat": "Details", "order": "75", "role": "http://www.nouveaumonde.com/role/DisclosureEquityWarrantsDetails", "shortName": "EQUITY - Warrants (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "nmg:ScheduleOfWarrantsTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2020_CUqre2x5p0OAq2Jhb1cTQA", "decimals": "INF", "lang": null, "name": "nmg:NumberOfWarrantsOutstanding", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_shares_EXAUsWF6JEiPhn0k4W14SQ", "xsiNil": "false" } }, "R76": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2021_mBkNYUqO5kCx-l1-2vtWWw", "decimals": "INF", "first": true, "lang": null, "name": "ifrs-full:NumberOfOutstandingShareOptions", "reportCount": 1, "unitRef": "Unit_Standard_Options_GyQ5ACSx0EO4KzR4tLz2hg", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41704 - Disclosure - EQUITY - Share-based payments (Details)", "menuCat": "Details", "order": "76", "role": "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails", "shortName": "EQUITY - Share-based payments (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2020_CUqre2x5p0OAq2Jhb1cTQA", "decimals": "INF", "lang": null, "name": "ifrs-full:NumberOfOutstandingShareOptions", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_Options_GyQ5ACSx0EO4KzR4tLz2hg", "xsiNil": "false" } }, "R77": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets", "reportCount": 1, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41801 - Disclosure - EXPLORATION AND EVALUATION EXPENSES (Details)", "menuCat": "Details", "order": "77", "role": "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails", "shortName": "EXPLORATION AND EVALUATION EXPENSES (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "nmg:ScheduleOfExplorationAndEvaluationExpensesTableTextBlock", "ifrs-full:DisclosureOfExplorationAndEvaluationAssetsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis_nmg_ExplorationAndEvaluationExpensesMember_opjRhHfI9064OIdJMWajiA", "decimals": "-3", "lang": null, "name": "ifrs-full:WagesAndSalaries", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R78": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets", "reportCount": 1, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41901 - Disclosure - BATTERY MATERIAL PLANT PROJECT EXPENSES (Details)", "menuCat": "Details", "order": "78", "role": "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails", "shortName": "BATTERY MATERIAL PLANT PROJECT EXPENSES (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "nmg:ScheduleOfBatteryMaterialPlantProjectExpensesTableTextBlock", "nmg:BatteryMaterialPlantProjectExpensesTextBlock", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis_nmg_BatteryMaterialPlantProjectExpensesMember_eORHHmycPken5oevfneeJA", "decimals": "-3", "lang": null, "name": "ifrs-full:WagesAndSalaries", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R79": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets", "reportCount": 1, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42001 - Disclosure - GENERAL AND ADMINISTRATIVE EXPENSES (Details)", "menuCat": "Details", "order": "79", "role": "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails", "shortName": "GENERAL AND ADMINISTRATIVE EXPENSES (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "nmg:ScheduleofgeneralandadministrativeexpensesTableTextBlock", "ifrs-full:DisclosureOfGeneralAndAdministrativeExpenseExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis_ifrs-full_SellingGeneralAndAdministrativeExpenseMember_92fje1JJrkKKMBN18vrBhg", "decimals": "-3", "lang": null, "name": "ifrs-full:WagesAndSalaries", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R8": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10301 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES", "menuCat": "Notes", "order": "8", "role": "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPolicies", "shortName": "SIGNIFICANT ACCOUNTING POLICIES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R80": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "nmg:ScheduleOfFinanceIncomeExpenseTableTextBlock", "ifrs-full:DisclosureOfFinanceIncomeExpenseExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42101 - Disclosure - NET FINANCIAL COSTS (INCOME) (Details)", "menuCat": "Details", "order": "80", "role": "http://www.nouveaumonde.com/role/DisclosureNetFinancialCostsIncomeDetails", "shortName": "NET FINANCIAL COSTS (INCOME) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "nmg:ScheduleOfFinanceIncomeExpenseTableTextBlock", "ifrs-full:DisclosureOfFinanceIncomeExpenseExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R81": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "nmg:IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "ifrs-full:DisclosureOfIncomeTaxExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:AccountingProfit", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42201 - Disclosure - INCOME TAXES - Income tax reconciliation (Details)", "menuCat": "Details", "order": "81", "role": "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails", "shortName": "INCOME TAXES - Income tax reconciliation (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "nmg:IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "ifrs-full:DisclosureOfIncomeTaxExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:AccountingProfit", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R82": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "nmg:IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "ifrs-full:DisclosureOfIncomeTaxExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss", "reportCount": 1, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42202 - Disclosure - INCOME TAXES - Temporary differences for which the company has recognized deferred tax assets and liabilities (Details)", "menuCat": "Details", "order": "82", "role": "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesForWhichCompanyHasRecognizedDeferredTaxAssetsAndLiabilitiesDetails", "shortName": "INCOME TAXES - Temporary differences for which the company has recognized deferred tax assets and liabilities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "nmg:ScheduleOfChangesInDeferredTaxAssetsAndLiabilitiesTableTextBlock", "ifrs-full:DisclosureOfIncomeTaxExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis_nmg_ConvertibleNotesMember_c5SI69MnIE2ZVGsam9edIg", "decimals": "-3", "lang": null, "name": "ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R83": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_ifrs-full_GeographicalAreasAxis_ifrs-full_ForeignCountriesMember_EnfG3WjhK0WpTQvASyqEog", "decimals": "-3", "first": true, "lang": null, "name": "nmg:DeductibleTemporaryDifferencesAndUnusedTaxLossesForWhichNoDeferredTaxAssetIsRecognised", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42203 - Disclosure - INCOME TAXES - Temporary differences and unused tax losses for which the Company has not recognized deferred tax assets (Details)", "menuCat": "Details", "order": "83", "role": "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesAndUnusedTaxLossesForWhichCompanyHasNotRecognizedDeferredTaxAssetsDetails", "shortName": "INCOME TAXES - Temporary differences and unused tax losses for which the Company has not recognized deferred tax assets (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_ifrs-full_GeographicalAreasAxis_ifrs-full_ForeignCountriesMember_EnfG3WjhK0WpTQvASyqEog", "decimals": "-3", "first": true, "lang": null, "name": "nmg:DeductibleTemporaryDifferencesAndUnusedTaxLossesForWhichNoDeferredTaxAssetIsRecognised", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R84": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_PKELwx1u2UadS3piiZsu_Q", "decimals": "-3", "first": true, "lang": null, "name": "nmg:InvestmentTaxCreditCarryovers", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42204 - Disclosure - INCOME TAXES - accumulated non-capital losses for tax purposes (Details)", "menuCat": "Details", "order": "84", "role": "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesAccumulatedNonCapitalLossesForTaxPurposesDetails", "shortName": "INCOME TAXES - accumulated non-capital losses for tax purposes (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_PKELwx1u2UadS3piiZsu_Q", "decimals": "-3", "first": true, "lang": null, "name": "nmg:InvestmentTaxCreditCarryovers", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R85": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "nmg:ScheduleOfAdditionalCashFlowInformationTextBlock", "nmg:AdditionalCashFlowInformationTextBlock", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": "-3", "first": true, "lang": null, "name": "nmg:AdjustmentsForDecreaseIncreaseInGrantsReceivable", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42301 - Disclosure - ADDITIONAL CASH FLOW INFORMATION (Details)", "menuCat": "Details", "order": "85", "role": "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationDetails", "shortName": "ADDITIONAL CASH FLOW INFORMATION (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "nmg:ScheduleOfAdditionalCashFlowInformationTextBlock", "nmg:AdditionalCashFlowInformationTextBlock", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": "-3", "first": true, "lang": null, "name": "nmg:AdjustmentsForDecreaseIncreaseInGrantsReceivable", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R86": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory", "ifrs-full:DisclosureOfRelatedPartyExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42401 - Disclosure - RELATED PARTY TRANSACTIONS (Details)", "menuCat": "Details", "order": "86", "role": "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsDetails", "shortName": "RELATED PARTY TRANSACTIONS (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory", "ifrs-full:DisclosureOfRelatedPartyExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R87": { "firstAnchor": { "ancestors": [ "p", "nmg:DisclosureOfConvertibleNotesTextBlock", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_11_8_2022_To_11_8_2022_EltslwXbdk-uZNrCVGTP_Q", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:ProceedsFromIssueOfBondsNotesAndDebentures", "reportCount": 1, "unitRef": "Unit_Standard_USD_WIlsX-DX-EiMpOXRKod3jg", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42402 - Disclosure - RELATED PARTY TRANSACTIONS - Additional Information (Details)", "menuCat": "Details", "order": "87", "role": "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetails", "shortName": "RELATED PARTY TRANSACTIONS - Additional Information (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfRelatedPartyExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_PKELwx1u2UadS3piiZsu_Q", "decimals": "-3", "lang": null, "name": "ifrs-full:OutstandingCommitmentsMadeByEntityRelatedPartyTransactions", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R88": { "firstAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_PKELwx1u2UadS3piiZsu_Q", "decimals": "-3", "first": true, "lang": null, "name": "nmg:CarryingAmountOfEquityBorrowingsLeasesAndConvertibleBonds", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42501 - Disclosure - INFORMATION DISCLOSURE ABOUT CAPITAL MANAGEMENT (Details)", "menuCat": "Details", "order": "88", "role": "http://www.nouveaumonde.com/role/DisclosureInformationDisclosureAboutCapitalManagementDetails", "shortName": "INFORMATION DISCLOSURE ABOUT CAPITAL MANAGEMENT (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_PKELwx1u2UadS3piiZsu_Q", "decimals": "-3", "first": true, "lang": null, "name": "nmg:CarryingAmountOfEquityBorrowingsLeasesAndConvertibleBonds", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R89": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory", "ifrs-full:DisclosureOfFinancialInstrumentsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_PKELwx1u2UadS3piiZsu_Q", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42601 - Disclosure - FINANCIAL INSTRUMENTS AND RISK MANAGEMENT - Financial instruments (Details)", "menuCat": "Details", "order": "89", "role": "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails", "shortName": "FINANCIAL INSTRUMENTS AND RISK MANAGEMENT - Financial instruments (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory", "ifrs-full:DisclosureOfFinancialInstrumentsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_PKELwx1u2UadS3piiZsu_Q", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R9": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:AccountingstandardsissuedbutnotyeteffectiveTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10401 - Disclosure - ACCOUNTING STANDARDS ISSUED BUT NOT YET EFFECTIVE", "menuCat": "Notes", "order": "9", "role": "http://www.nouveaumonde.com/role/DisclosureAccountingStandardsIssuedButNotYetEffective", "shortName": "ACCOUNTING STANDARDS ISSUED BUT NOT YET EFFECTIVE", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": null, "first": true, "lang": "en-US", "name": "nmg:AccountingstandardsissuedbutnotyeteffectiveTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R90": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_PKELwx1u2UadS3piiZsu_Q", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:NoncurrentInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod", "reportCount": 1, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42602 - Disclosure - FINANCIAL INSTRUMENTS AND RISK MANAGEMENT - Fair Value Hierarchy (Details)", "menuCat": "Details", "order": "90", "role": "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails", "shortName": "FINANCIAL INSTRUMENTS AND RISK MANAGEMENT - Fair Value Hierarchy (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "ifrs-full:TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyAssets", "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "Duration_1_1_2022_To_12_31_2022_j1HnYv1oo0iZYcJJxrXJYg", "decimals": "-3", "lang": null, "name": "ifrs-full:TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyAssets", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R91": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_PKELwx1u2UadS3piiZsu_Q", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:CashAndCashEquivalents", "reportCount": 1, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42603 - Disclosure - FINANCIAL INSTRUMENTS AND RISK MANAGEMENT - Currency risk (Details)", "menuCat": "Details", "order": "91", "role": "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementCurrencyRiskDetails", "shortName": "FINANCIAL INSTRUMENTS AND RISK MANAGEMENT - Currency risk (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_ifrs-full_TypesOfRisksAxis_ifrs-full_CurrencyRiskMember_aatgZvPW-Ey35zRirLnqcw", "decimals": "2", "lang": null, "name": "nmg:PercentageOfReasonablyPossibleIncreaseInRiskAssumption", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_pure_K91BGD2Zq0SOr7tsmMafIg", "xsiNil": "false" } }, "R92": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_PKELwx1u2UadS3piiZsu_Q", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:TradeAndOtherCurrentPayables", "reportCount": 1, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42604 - Disclosure - FINANCIAL INSTRUMENTS AND RISK MANAGEMENT - Liquidity risk (Details)", "menuCat": "Details", "order": "92", "role": "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementLiquidityRiskDetails", "shortName": "FINANCIAL INSTRUMENTS AND RISK MANAGEMENT - Liquidity risk (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_PKELwx1u2UadS3piiZsu_Q", "decimals": "-3", "lang": null, "name": "ifrs-full:CurrentFinancialLiabilities", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R93": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_ifrs-full_BorrowingsByNameAxis_nmg_ConvertibleNotesMember_ifrs-full_TypesOfRisksAxis_ifrs-full_InterestRateRiskMember_FYfG37RYfkWN6ybP2ZqELw", "decimals": "2", "first": true, "lang": null, "name": "ifrs-full:BorrowingsInterestRate", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_pure_K91BGD2Zq0SOr7tsmMafIg", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42605 - Disclosure - FINANCIAL INSTRUMENTS AND RISK MANAGEMENT - Interest rate risk (Details)", "menuCat": "Details", "order": "93", "role": "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementInterestRateRiskDetails", "shortName": "FINANCIAL INSTRUMENTS AND RISK MANAGEMENT - Interest rate risk (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_ifrs-full_BorrowingsByNameAxis_nmg_ConvertibleNotesMember_ifrs-full_TypesOfRisksAxis_ifrs-full_InterestRateRiskMember_FYfG37RYfkWN6ybP2ZqELw", "decimals": "2", "first": true, "lang": null, "name": "ifrs-full:BorrowingsInterestRate", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_pure_K91BGD2Zq0SOr7tsmMafIg", "xsiNil": "false" } }, "R94": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_PKELwx1u2UadS3piiZsu_Q", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:PropertyPlantAndEquipment", "reportCount": 1, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42701 - Disclosure - ADDITIONAL SEGMENT INFORMATION (Details)", "menuCat": "Details", "order": "94", "role": "http://www.nouveaumonde.com/role/DisclosureAdditionalSegmentInformationDetails", "shortName": "ADDITIONAL SEGMENT INFORMATION (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DisclosureOfOperatingSegmentsExplanatory", "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_ifrs-full_SegmentsAxis_nmg_MatawinieMineProjectExpensesMember_mudn12MW40aUUvPHm-4xFw", "decimals": "-3", "lang": null, "name": "ifrs-full:PropertyPlantAndEquipment", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } }, "R95": { "firstAnchor": { "ancestors": [ "span", "p", "ifrs-full:DisclosureOfCommitmentsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_PKELwx1u2UadS3piiZsu_Q", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:ContractualCapitalCommitments", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42801 - Disclosure - COMMITMENTS (Details)", "menuCat": "Details", "order": "95", "role": "http://www.nouveaumonde.com/role/DisclosureCommitmentsDetails", "shortName": "COMMITMENTS (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "p", "ifrs-full:DisclosureOfCommitmentsExplanatory", "div", "div", "body", "html" ], "baseRef": "nmg-20221231xex99d2.htm", "contextRef": "As_Of_12_31_2022_PKELwx1u2UadS3piiZsu_Q", "decimals": "-3", "first": true, "lang": null, "name": "ifrs-full:ContractualCapitalCommitments", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_t7KqvwxPEEK5TUYcylK02w", "xsiNil": "false" } } }, "segmentCount": 100, "tag": { "currency_AllCurrenciesDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "All Currencies [Domain]" } } }, "localname": "AllCurrenciesDomain", "nsuri": "http://xbrl.sec.gov/currency/2022", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementCurrencyRiskDetails" ], "xbrltype": "domainItemType" }, "currency_CAD": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Canadian dollar" } } }, "localname": "CAD", "nsuri": "http://xbrl.sec.gov/currency/2022", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementCurrencyRiskDetails" ], "xbrltype": "domainItemType" }, "currency_USD": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "US dollar" } } }, "localname": "USD", "nsuri": "http://xbrl.sec.gov/currency/2022", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementCurrencyRiskDetails" ], "xbrltype": "domainItemType" }, "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "domainItemType" }, "dei_AmendmentDescription": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Description of changes contained within amended document.", "label": "Amendment Description" } } }, "localname": "AmendmentDescription", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "stringItemType" }, "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_AnnualInformationForm": { "auth_ref": [ "r260" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_AuditedAnnualFinancialStatements": { "auth_ref": [ "r260" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_AuditorFirmId": { "auth_ref": [ "r258", "r259", "r260" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "nonemptySequenceNumberItemType" }, "dei_AuditorLocation": { "auth_ref": [ "r258", "r259", "r260" ], "lang": { "en-us": { "role": { "label": "Auditor Location" } } }, "localname": "AuditorLocation", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "internationalNameItemType" }, "dei_AuditorName": { "auth_ref": [ "r258", "r259", "r260" ], "lang": { "en-us": { "role": { "label": "Auditor Name" } } }, "localname": "AuditorName", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "internationalNameItemType" }, "dei_BusinessContactMember": { "auth_ref": [ "r259", "r260" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_CoverAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Cover page.", "label": "Document and Entity Information [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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "gMonthDayItemType" }, "dei_DocumentAnnualReport": { "auth_ref": [ "r258", "r259", "r260" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "gYearItemType" }, "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "dateItemType" }, "dei_DocumentRegistrationStatement": { "auth_ref": [ "r253" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressAddressLine2": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Address Line 2 such as Street or Suite number", "label": "Entity Address, Adress Line Two" } } }, "localname": "EntityAddressAddressLine2", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressAddressLine3": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Address Line 3 such as an Office Park", "label": "Entity Address, Address Line Three" } } }, "localname": "EntityAddressAddressLine3", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "stringItemType" }, "dei_EntityAddressesLineItems": { "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": "Entity Addresses [Line Items]" } } }, "localname": "EntityAddressesLineItems", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "stringItemType" }, "dei_EntityAddressesTable": { "auth_ref": [ "r255" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "stringItemType" }, "dei_EntityCentralIndexKey": { "auth_ref": [ "r255" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "yesNoItemType" }, "dei_EntityEmergingGrowthCompany": { "auth_ref": [ "r255" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_EntityExTransitionPeriod": { "auth_ref": [ "r263" ], "lang": { "en-us": { "role": { "documentation": "Indicate if an emerging growth company has elected not to use the extended transition period for complying with any new or revised financial accounting standards.", "label": "Entity Ex Transition Period" } } }, "localname": "EntityExTransitionPeriod", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "fileNumberItemType" }, "dei_EntityFilerCategory": { "auth_ref": [ "r255" ], "lang": { "en-us": { "role": { "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.", "label": "Entity Filer Category" } } }, "localname": "EntityFilerCategory", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "filerCategoryItemType" }, "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "edgarStateCountryItemType" }, "dei_EntityInteractiveDataCurrent": { "auth_ref": [ "r261" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "yesNoItemType" }, "dei_EntityPrimarySicNumber": { "auth_ref": [ "r260" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "sicNumberItemType" }, "dei_EntityPublicFloat": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.", "label": "Entity Public Float" } } }, "localname": "EntityPublicFloat", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "monetaryItemType" }, "dei_EntityRegistrantName": { "auth_ref": [ "r255" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityShellCompany": { "auth_ref": [ "r255" ], "lang": { "en-us": { "role": { "documentation": "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.", "label": "Entity Shell Company" } } }, "localname": "EntityShellCompany", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_EntitySmallBusiness": { "auth_ref": [ "r255" ], "lang": { "en-us": { "role": { "documentation": "Indicates that the company is a Smaller Reporting Company (SRC).", "label": "Entity Small Business" } } }, "localname": "EntitySmallBusiness", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_EntityTaxIdentificationNumber": { "auth_ref": [ "r255" ], "lang": { "en-us": { "role": { "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.", "label": "Entity Tax Identification Number" } } }, "localname": "EntityTaxIdentificationNumber", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "employerIdItemType" }, "dei_EntityVoluntaryFilers": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.", "label": "Entity Voluntary Filers" } } }, "localname": "EntityVoluntaryFilers", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "yesNoItemType" }, "dei_EntityWellKnownSeasonedIssuer": { "auth_ref": [ "r262" ], "lang": { "en-us": { "role": { "documentation": "Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.", "label": "Entity Well-known Seasoned Issuer" } } }, "localname": "EntityWellKnownSeasonedIssuer", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "yesNoItemType" }, "dei_IcfrAuditorAttestationFlag": { "auth_ref": [ "r258", "r259", "r260" ], "lang": { "en-us": { "role": { "label": "ICFR Auditor Attestation Flag" } } }, "localname": "IcfrAuditorAttestationFlag", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_Security12bTitle": { "auth_ref": [ "r254" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "securityTitleItemType" }, "dei_Security12gTitle": { "auth_ref": [ "r257" ], "lang": { "en-us": { "role": { "documentation": "Title of a 12(g) registered security.", "label": "Title of 12(g) Security" } } }, "localname": "Security12gTitle", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "securityTitleItemType" }, "dei_SecurityExchangeName": { "auth_ref": [ "r256" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "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.nouveaumonde.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "tradingSymbolItemType" }, "ifrs-full_AccountingProfit": { "auth_ref": [ "r37", "r38" ], "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", "terseLabel": "Loss before income taxes" } } }, "localname": "AccountingProfit", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AccumulatedDepreciationAndAmortisationMember": { "auth_ref": [ "r52", "r274", "r281", "r284", "r285" ], "lang": { "en": { "role": { "documentation": "This member stands for accumulated depreciation and amortisation. [Refer: Depreciation and amortisation expense]" } }, "en-us": { "role": { "label": "ACCUMULATED DEPRECIATION [Member]", "terseLabel": "ACCUMULATED DEPRECIATION" } } }, "localname": "AccumulatedDepreciationAndAmortisationMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIntangibleAssetsDetails", "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment": { "auth_ref": [ "r47" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The increase in property, plant and equipment resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Property, plant and equipment]" } }, "en-us": { "role": { "label": "Acquisitions through business combinations, property, plant and equipment", "terseLabel": "Acquisition" } } }, "localname": "AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdditionalPaidinCapital": { "auth_ref": [ "r269" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 3.0, "parentTag": "ifrs-full_Equity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount received or receivable from the issuance of the entity's shares in excess of nominal value and amounts received from other transactions involving the entity's stock or stockholders." } }, "en-us": { "role": { "label": "Additional paid-in capital", "terseLabel": "Contributed surplus" } } }, "localname": "AdditionalPaidinCapital", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdditionalPaidinCapitalMember": { "auth_ref": [ "r267" ], "lang": { "en": { "role": { "documentation": "This member stands for amounts received from issuance of the entity's shares in excess of nominal value and amounts received from other transactions involving the entity's stock or stockholders." } }, "en-us": { "role": { "label": "Contributed surplus and warrants" } } }, "localname": "AdditionalPaidinCapitalMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "domainItemType" }, "ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment": { "auth_ref": [ "r45" ], "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.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdditionsToRightofuseAssets": { "auth_ref": [ "r124" ], "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", "terseLabel": "New leases" } } }, "localname": "AdditionsToRightofuseAssets", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustedWeightedAverageShares": { "auth_ref": [ "r70" ], "lang": { "en": { "role": { "documentation": "The weighted average number of ordinary shares outstanding plus the weighted average number of ordinary shares that would be issued on the conversion of all the dilutive potential ordinary shares into ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]" } }, "en-us": { "role": { "label": "Weighted average number of ordinary shares used in calculating diluted earnings per share", "terseLabel": "Weighted average number of shares outstanding - Diluted", "verboseLabel": "Dilutive weighted average number of shares outstanding" } } }, "localname": "AdjustedWeightedAverageShares", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityLossPerShareDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss" ], "xbrltype": "sharesItemType" }, "ifrs-full_AdjustmentsForDecreaseIncreaseInPrepaidExpenses": { "auth_ref": [ "r290" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationDetails": { "order": 5.0, "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Adjustments for the decrease (increase) in prepaid expenses to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Current prepaid expenses; Profit (loss)]" } }, "en-us": { "role": { "label": "Adjustments for decrease (increase) in prepaid expenses", "terseLabel": "Prepaid expenses" } } }, "localname": "AdjustmentsForDecreaseIncreaseInPrepaidExpenses", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense": { "auth_ref": [ "r289" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "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 and amortization" } } }, "localname": "AdjustmentsForDepreciationAndAmortisationExpense", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForGainsLossesOnChangeInFairValueOfDerivatives": { "auth_ref": [ "r290" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureNetFinancialCostsIncomeDetails": { "order": 5.0, "parentTag": "ifrs-full_FinanceIncomeCost", "weight": 1.0 }, "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "Adjustments for gains (losses) on changes in the fair value of derivatives to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: At fair value [member]; Derivatives [member]; Profit (loss)]" } }, "en-us": { "role": { "label": "Adjustments for gains (losses) on change in fair value of derivatives", "negatedLabel": "Change in fair value - embedded derivatives" } } }, "localname": "AdjustmentsForGainsLossesOnChangeInFairValueOfDerivatives", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureNetFinancialCostsIncomeDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables": { "auth_ref": [ "r290" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationDetails": { "order": 6.0, "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Adjustments for increase (decrease) in trade and other payables to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Trade and other payables; Profit (loss)]" } }, "en-us": { "role": { "label": "Adjustments for increase (decrease) in trade and other payables", "terseLabel": "Accounts payable and accrued liabilities" } } }, "localname": "AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForInterestExpense": { "auth_ref": [ "r290" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 5.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "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 on convertible notes" } } }, "localname": "AdjustmentsForInterestExpense", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets": { "auth_ref": [ "r286" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 7.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Adjustments for losses (gains) on disposal of non-current assets to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Non-current assets; Profit (loss)]" } }, "en-us": { "role": { "label": "Adjustments for losses (gains) on disposal of non-current assets", "terseLabel": "Loss on disposal of property, plant and equipment" } } }, "localname": "AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForSharebasedPayments": { "auth_ref": [ "r289" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 8.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "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 compensation" } } }, "localname": "AdjustmentsForSharebasedPayments", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains": { "auth_ref": [ "r223", "r289" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 6.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "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.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdministrativeExpense": { "auth_ref": [ "r32", "r64", "r204" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails": { "order": 3.0, "parentTag": "ifrs-full_OperatingExpense", "weight": 1.0 }, "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails": { "order": 3.0, "parentTag": "ifrs-full_ExpenseArisingFromExplorationForAndEvaluationOfMineralResources", "weight": 1.0 }, "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails": { "order": 6.0, "parentTag": "ifrs-full_GeneralAndAdministrativeExpense", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of expenses that the entity classifies as being administrative." } }, "en-us": { "role": { "label": "Administrative expenses", "terseLabel": "Office and administration", "verboseLabel": "Engineering" } } }, "localname": "AdministrativeExpense", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AggregateDifferenceBetweenFairValueAtInitialRecognitionAndAmountDeterminedUsingValuationTechniqueYetToBeRecognised": { "auth_ref": [ "r152" ], "lang": { "en": { "role": { "documentation": "The aggregate difference between the fair value at initial recognition and the transaction price for financial instruments that is yet to be recognised in profit or loss. [Refer: Financial instruments, class [member]]" } }, "en-us": { "role": { "label": "Aggregate difference between fair value at initial recognition and transaction price yet to be recognised in profit or loss", "terseLabel": "Difference between the transaction price and the fair value" } } }, "localname": "AggregateDifferenceBetweenFairValueAtInitialRecognitionAndAmountDeterminedUsingValuationTechniqueYetToBeRecognised", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AggregatedTimeBandsMember": { "auth_ref": [ "r16", "r118", "r128", "r129", "r150", "r189", "r190", "r191", "r197", "r213", "r235", "r238" ], "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]", "terseLabel": "Aggregated time bands" } } }, "localname": "AggregatedTimeBandsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementLiquidityRiskDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_AllLevelsOfFairValueHierarchyMember": { "auth_ref": [ "r54", "r108" ], "lang": { "en": { "role": { "documentation": "This member stands for all levels of the fair value hierarchy. It also represents the standard value for the 'Levels of fair value hierarchy' axis if no other member is used." } }, "en-us": { "role": { "label": "All levels of fair value hierarchy [member]", "terseLabel": "All levels of fair value hierarchy [member]" } } }, "localname": "AllLevelsOfFairValueHierarchyMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_AmortisationExpense": { "auth_ref": [ "r268" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails": { "order": 7.0, "parentTag": "ifrs-full_OperatingExpense", "weight": 1.0 }, "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails": { "order": 10.0, "parentTag": "ifrs-full_ExpenseArisingFromExplorationForAndEvaluationOfMineralResources", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of amortisation expense. Amortisation is the systematic allocation of depreciable amounts of intangible assets over their useful lives." } }, "en-us": { "role": { "label": "Amortisation expense", "terseLabel": "Depreciation and amortization" } } }, "localname": "AmortisationExpense", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill": { "auth_ref": [ "r76" ], "lang": { "en": { "role": { "documentation": "The amount of amortisation of intangible assets other than goodwill. [Refer: Depreciation and amortisation expense; Intangible assets other than goodwill]" } }, "en-us": { "role": { "label": "Amortisation, intangible assets other than goodwill", "terseLabel": "Amortization" } } }, "localname": "AmortisationIntangibleAssetsOtherThanGoodwill", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIntangibleAssetsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ApplicableTaxRate": { "auth_ref": [ "r38" ], "lang": { "en": { "role": { "documentation": "The applicable income tax rate." } }, "en-us": { "role": { "label": "Applicable tax rate", "terseLabel": "Tax recovery computed at applicable statutory tax rate" } } }, "localname": "ApplicableTaxRate", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_Assets": { "auth_ref": [ "r13", "r107", "r108", "r112", "r178", "r180" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "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.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "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.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "stringItemType" }, "ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis": { "auth_ref": [ "r265", "r268" ], "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": "Attribution of expenses by nature to their function [axis]" } } }, "localname": "AttributionOfExpensesByNatureToTheirFunctionAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsAdditionalInformationDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_BalancesWithBanks": { "auth_ref": [ "r293" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of cash balances held at banks." } }, "en-us": { "role": { "label": "Balances with banks", "terseLabel": "Cash in bank balance" } } }, "localname": "BalancesWithBanks", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureCashAndCashEquivalentsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_BankBorrowingsUndiscountedCashFlows": { "auth_ref": [ "r237", "r239" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of contractual undiscounted cash flows in relation to bank borrowings. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Bank borrowings, undiscounted cash flows", "terseLabel": "Borrowings, contractual cash flows" } } }, "localname": "BankBorrowingsUndiscountedCashFlows", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementLiquidityRiskDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_BasicEarningsLossPerShare": { "auth_ref": [ "r67", "r68" ], "lang": { "en": { "role": { "documentation": "The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator)." } }, "en-us": { "role": { "label": "Basic earnings (loss) per share", "terseLabel": "Loss per share, Basic", "verboseLabel": "Basic loss per share" } } }, "localname": "BasicEarningsLossPerShare", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityLossPerShareDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss" ], "xbrltype": "perShareItemType" }, "ifrs-full_BondsIssuedUndiscountedCashFlows": { "auth_ref": [ "r237", "r239" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of contractual undiscounted cash flows in relation to bonds issued. [Refer: Bonds issued]" } }, "en-us": { "role": { "label": "Bonds issued, undiscounted cash flows", "terseLabel": "Convertible notes, contractual cash flows" } } }, "localname": "BondsIssuedUndiscountedCashFlows", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementLiquidityRiskDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_Borrowings": { "auth_ref": [ "r269" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of outstanding funds that the entity is obligated to repay." } }, "en-us": { "role": { "label": "Borrowings", "periodEndLabel": "Ending balance", "periodStartLabel": "Opening balance", "verboseLabel": "Borrowings" } } }, "localname": "Borrowings", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementLiquidityRiskDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_BorrowingsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "BORROWINGS" } } }, "localname": "BorrowingsAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_BorrowingsAdjustmentToInterestRateBasis": { "auth_ref": [ "r298" ], "lang": { "en": { "role": { "documentation": "The adjustment to the basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Borrowings, adjustment to interest rate basis", "terseLabel": "Borrowings variable interest rate", "verboseLabel": "Interest rate, spread" } } }, "localname": "BorrowingsAdjustmentToInterestRateBasis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails", "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementInterestRateRiskDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_BorrowingsByNameAxis": { "auth_ref": [ "r298" ], "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.nouveaumonde.com/role/DisclosureConvertibleNotes2020ConvertibleNoteWithPallinghurstDetails", "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails", "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesSensitivityAnalysisDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementInterestRateRiskDetails", "http://www.nouveaumonde.com/role/DisclosureNatureOfOperationsAndGoingConcernDetails", "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_BorrowingsByNameMember": { "auth_ref": [ "r298" ], "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.nouveaumonde.com/role/DisclosureConvertibleNotes2020ConvertibleNoteWithPallinghurstDetails", "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails", "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesSensitivityAnalysisDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementInterestRateRiskDetails", "http://www.nouveaumonde.com/role/DisclosureNatureOfOperationsAndGoingConcernDetails", "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_BorrowingsInterestRate": { "auth_ref": [ "r298" ], "lang": { "en": { "role": { "documentation": "The interest rate on borrowings. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Borrowings, interest rate", "terseLabel": "Interest rate (in percent)" } } }, "localname": "BorrowingsInterestRate", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementInterestRateRiskDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_BuildingsMember": { "auth_ref": [ "r273" ], "lang": { "en": { "role": { "documentation": "This member stands for a class of plant, property and equipment representing depreciable buildings and similar structures for use in operations. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Buildings [Member]", "terseLabel": "Buildings" } } }, "localname": "BuildingsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsDetails", "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPropertyAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_CapitalCommitmentsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "COMMITMENTS" } } }, "localname": "CapitalCommitmentsAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis": { "auth_ref": [ "r44", "r49", "r75", "r77", "r80", "r81", "r82", "r83", "r84", "r144", "r156", "r157", "r301", "r302" ], "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]" } } }, "localname": "CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIntangibleAssetsDetails", "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_CarryingAmountMember": { "auth_ref": [ "r49", "r77", "r80", "r82", "r83", "r144", "r156", "r157", "r250", "r252" ], "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]" } } }, "localname": "CarryingAmountMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIntangibleAssetsDetails", "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_Cash": { "auth_ref": [ "r293" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of cash on hand and demand deposits. [Refer: Cash on hand]" } }, "en-us": { "role": { "label": "Cash", "terseLabel": "Cash" } } }, "localname": "Cash", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureNatureOfOperationsAndGoingConcernDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CashAndCashEquivalents": { "auth_ref": [ "r10", "r90", "r102" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 2.0, "parentTag": "ifrs-full_CurrentAssets", "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.", "periodEndLabel": "Cash and cash equivalents at the end of the year", "periodStartLabel": "Cash and cash equivalents at the beginning of the year", "terseLabel": "Cash and cash equivalents" } } }, "localname": "CashAndCashEquivalents", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureCashAndCashEquivalentsDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementCurrencyRiskDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CashFlowsFromUsedInFinancingActivities": { "auth_ref": [ "r85", "r92" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 3.0, "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", "totalLabel": "Cash flows from financing activities" } } }, "localname": "CashFlowsFromUsedInFinancingActivities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Cash flows from (used in) financing activities [abstract]", "terseLabel": "FINANCING ACTIVITIES" } } }, "localname": "CashFlowsFromUsedInFinancingActivitiesAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "ifrs-full_CashFlowsFromUsedInInvestingActivities": { "auth_ref": [ "r85", "r92" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 2.0, "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", "totalLabel": "Cash flows used in investing activities" } } }, "localname": "CashFlowsFromUsedInInvestingActivities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Cash flows from (used in) investing activities [abstract]", "terseLabel": "INVESTING ACTIVITIES" } } }, "localname": "CashFlowsFromUsedInInvestingActivitiesAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "ifrs-full_CashFlowsFromUsedInOperatingActivities": { "auth_ref": [ "r85", "r92" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "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": "Cash outflows from operating activities", "totalLabel": "Cash flows used in operating activities" } } }, "localname": "CashFlowsFromUsedInOperatingActivities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureNatureOfOperationsAndGoingConcernDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Cash flows from (used in) operating activities [abstract]", "terseLabel": "OPERATING ACTIVITIES" } } }, "localname": "CashFlowsFromUsedInOperatingActivitiesAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "ifrs-full_CashFlowsUsedInExplorationAndDevelopmentActivities": { "auth_ref": [ "r287" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The cash outflow for exploration and development activities." } }, "en-us": { "role": { "label": "Cash flows used in exploration and development activities", "terseLabel": "Investment in exploration activities" } } }, "localname": "CashFlowsUsedInExplorationAndDevelopmentActivities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureInvestmentsListedSharesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CashOutflowForLeases": { "auth_ref": [ "r123" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The cash outflow for leases." } }, "en-us": { "role": { "label": "Cash outflow for leases", "negatedLabel": "End of leases" } } }, "localname": "CashOutflowForLeases", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CategoriesOfFinancialAssetsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Categories of financial assets [abstract]", "terseLabel": "FINANCIAL ASSETS" } } }, "localname": "CategoriesOfFinancialAssetsAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_CategoriesOfFinancialAssetsAxis": { "auth_ref": [ "r170" ], "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]", "terseLabel": "Categories of financial assets [axis]" } } }, "localname": "CategoriesOfFinancialAssetsAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_CategoriesOfFinancialLiabilitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Categories of financial liabilities [abstract]", "terseLabel": "FINANCIAL LIABILITIES" } } }, "localname": "CategoriesOfFinancialLiabilitiesAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_CategoriesOfFinancialLiabilitiesAxis": { "auth_ref": [ "r170" ], "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 liabilities [axis]", "terseLabel": "Categories of financial liabilities [axis]" } } }, "localname": "CategoriesOfFinancialLiabilitiesAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_CategoriesOfRelatedPartiesAxis": { "auth_ref": [ "r62" ], "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]" } } }, "localname": "CategoriesOfRelatedPartiesAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails", "http://www.nouveaumonde.com/role/DisclosureConvertibleNotes2020ConvertibleNoteWithPallinghurstDetails", "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails", "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ClassesOfAssetsAxis": { "auth_ref": [ "r72", "r73", "r115", "r126" ], "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]" } } }, "localname": "ClassesOfAssetsAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ClassesOfAssetsMember": { "auth_ref": [ "r72", "r115", "r126" ], "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]" } } }, "localname": "ClassesOfAssetsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ClassesOfFinancialAssetsAxis": { "auth_ref": [ "r163", "r164", "r188", "r198", "r199", "r200" ], "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 assets [axis]" } } }, "localname": "ClassesOfFinancialAssetsAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ClassesOfFinancialInstrumentsAxis": { "auth_ref": [ "r156", "r158", "r159", "r160" ], "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]", "terseLabel": "Classes of financial instruments [axis]" } } }, "localname": "ClassesOfFinancialInstrumentsAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementLiquidityRiskDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ClassesOfFinancialInstrumentsMember": { "auth_ref": [ "r156", "r158", "r159", "r160" ], "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]", "terseLabel": "Financial instruments, class [member]" } } }, "localname": "ClassesOfFinancialInstrumentsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementLiquidityRiskDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ClassesOfFinancialLiabilitiesAxis": { "auth_ref": [ "r163", "r164", "r188", "r199" ], "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 liabilities [axis]" } } }, "localname": "ClassesOfFinancialLiabilitiesAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis": { "auth_ref": [ "r78" ], "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]" } } }, "localname": "ClassesOfIntangibleAssetsOtherThanGoodwillAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIntangibleAssetsDetails", "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesIntangibleAssetsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis": { "auth_ref": [ "r50" ], "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]" } } }, "localname": "ClassesOfPropertyPlantAndEquipmentAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPropertyAndEquipmentDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ClassesOfShareCapitalAxis": { "auth_ref": [ "r24" ], "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 share capital [axis]" } } }, "localname": "ClassesOfShareCapitalAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ClassesOfShareCapitalMember": { "auth_ref": [ "r24" ], "lang": { "en": { "role": { "documentation": "This member stands for share capital of the entity. It also represents the standard value for the 'Classes of share capital' axis if no other member is used." } }, "en-us": { "role": { "label": "Share capital [member]" } } }, "localname": "ClassesOfShareCapitalMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_CommunicationExpense": { "auth_ref": [ "r268" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails": { "order": 7.0, "parentTag": "ifrs-full_GeneralAndAdministrativeExpense", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of expense arising from communication." } }, "en-us": { "role": { "label": "Communication expense", "terseLabel": "Stock exchange, authorities, and communication" } } }, "localname": "CommunicationExpense", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ComponentsOfEquityAxis": { "auth_ref": [ "r4" ], "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]" } } }, "localname": "ComponentsOfEquityAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "stringItemType" }, "ifrs-full_ComputerEquipmentMember": { "auth_ref": [ "r273" ], "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": "Computers [Member]", "terseLabel": "Computers" } } }, "localname": "ComputerEquipmentMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPropertyAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ComputerSoftwareMember": { "auth_ref": [ "r216" ], "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": "Software [Member]", "terseLabel": "Software" } } }, "localname": "ComputerSoftwareMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIntangibleAssetsDetails", "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ConstructionInProgressMember": { "auth_ref": [ "r273" ], "lang": { "en": { "role": { "documentation": "This member stands for expenditure capitalised during the construction of items of property, plant and equipment that are not yet available for use (ie not yet in the location and condition necessary for it to be capable of operating in the manner intended by the management). [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Mine Under Construction [member]", "terseLabel": "Mine under construction" } } }, "localname": "ConstructionInProgressMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ContractualCapitalCommitments": { "auth_ref": [ "r268" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of capital commitments for which the entity has entered into a contract. [Refer: Capital commitments]" } }, "en-us": { "role": { "label": "Contractual capital commitments", "terseLabel": "Amount of purchase orders for the acquisition of PPE" } } }, "localname": "ContractualCapitalCommitments", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureCommitmentsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CounterpartiesAxis": { "auth_ref": [ "r171" ], "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": "Counterparties [axis]" } } }, "localname": "CounterpartiesAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails", "http://www.nouveaumonde.com/role/DisclosureGrantsReceivableAndOtherCurrentAssetsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_CounterpartiesMember": { "auth_ref": [ "r171" ], "lang": { "en": { "role": { "documentation": "This member stands for the parties to the transaction other than the entity. It also represents the standard value for the 'Counterparties' axis if no other member is used." } }, "en-us": { "role": { "label": "Counterparties [member]" } } }, "localname": "CounterpartiesMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails", "http://www.nouveaumonde.com/role/DisclosureGrantsReceivableAndOtherCurrentAssetsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_CountryOfDomicileMember": { "auth_ref": [ "r184", "r185" ], "lang": { "en": { "role": { "documentation": "This member stands for the country in which the entity is registered and where it has its legal address or registered office." } }, "en-us": { "role": { "label": "PROVINCIAL" } } }, "localname": "CountryOfDomicileMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesAccumulatedNonCapitalLossesForTaxPurposesDetails", "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails", "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesAndUnusedTaxLossesForWhichCompanyHasNotRecognizedDeferredTaxAssetsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_CreditSpreadMeasurementInputMember": { "auth_ref": [ "r294" ], "lang": { "en": { "role": { "documentation": "This member stands for the credit spread used as a measurement input." } }, "en-us": { "role": { "label": "Credit spread, measurement input [Member]", "terseLabel": "Credit spread" } } }, "localname": "CreditSpreadMeasurementInputMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesSensitivityAnalysisDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_CurrencyRiskMember": { "auth_ref": [ "r173", "r192", "r193", "r194", "r195" ], "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" } } }, "localname": "CurrencyRiskMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementCurrencyRiskDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_CurrentAssets": { "auth_ref": [ "r17", "r98", "r225" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 1.0, "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.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentAssetsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Current assets [abstract]", "terseLabel": "CURRENT" } } }, "localname": "CurrentAssetsAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "stringItemType" }, "ifrs-full_CurrentAssetsLiabilities": { "auth_ref": [ "r269" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of current assets less the amount of current liabilities." } }, "en-us": { "role": { "label": "Current assets (liabilities)", "terseLabel": "Difference between current assets and current liabilities" } } }, "localname": "CurrentAssetsLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureNatureOfOperationsAndGoingConcernDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings": { "auth_ref": [ "r269" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 2.0, "parentTag": "ifrs-full_CurrentLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of current borrowings and current portion of non-current borrowings. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Current borrowings and current portion of non-current borrowings", "terseLabel": "Current portion of borrowings" } } }, "localname": "CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentFinancialLiabilities": { "auth_ref": [ "r151" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of current financial liabilities. [Refer: Financial liabilities]" } }, "en-us": { "role": { "label": "Current financial liabilities", "terseLabel": "Short-term liabilities" } } }, "localname": "CurrentFinancialLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementLiquidityRiskDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentGovernmentGrants": { "auth_ref": [ "r269" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of current government grants recognised in the statement of financial position as deferred income. [Refer: Government [member]; Government grants]" } }, "en-us": { "role": { "label": "Current government grants", "terseLabel": "Deferred grants" } } }, "localname": "CurrentGovernmentGrants", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGrantsReceivableAndOtherCurrentAssetsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentInterestPayable": { "auth_ref": [ "r268" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of current interest payable. [Refer: Interest payable]" } }, "en-us": { "role": { "label": "Current interest payable", "terseLabel": "Interest payable on convertible bond" } } }, "localname": "CurrentInterestPayable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAccountsPayablesAndAccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentLeaseLiabilities": { "auth_ref": [ "r119" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 4.0, "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": "Current portion of lease liabilities", "verboseLabel": "Current portion" } } }, "localname": "CurrentLeaseLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureLeaseLiabilitiesDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentLiabilities": { "auth_ref": [ "r18", "r100", "r225" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 1.0, "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", "totalLabel": "Total current liabilities" } } }, "localname": "CurrentLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentLiabilitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Current liabilities [abstract]", "terseLabel": "CURRENT" } } }, "localname": "CurrentLiabilitiesAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "stringItemType" }, "ifrs-full_CurrentPortionOfLongtermBorrowings": { "auth_ref": [ "r269" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The current portion of non-current borrowings. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Current portion of non-current borrowings", "verboseLabel": "Current portion" } } }, "localname": "CurrentPortionOfLongtermBorrowings", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentPrepaidExpenses": { "auth_ref": [ "r268" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 6.0, "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", "terseLabel": "Prepaid expenses" } } }, "localname": "CurrentPrepaidExpenses", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentProvisionsForEmployeeBenefits": { "auth_ref": [ "r20" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureAccountsPayablesAndAccruedLiabilitiess": { "order": 2.0, "parentTag": "ifrs-full_TradeAndOtherCurrentPayables", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of current provisions for employee benefits. [Refer: Provisions for employee benefits]" } }, "en-us": { "role": { "label": "Current provisions for employee benefits", "terseLabel": "Wages and benefits liabilities" } } }, "localname": "CurrentProvisionsForEmployeeBenefits", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAccountsPayablesAndAccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentTaxAssetsCurrent": { "auth_ref": [ "r12" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 5.0, "parentTag": "ifrs-full_CurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The current amount of current tax assets. [Refer: Current tax assets]" } }, "en-us": { "role": { "label": "Current tax assets, current", "terseLabel": "Tax credits receivable" } } }, "localname": "CurrentTaxAssetsCurrent", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentTaxAssetsNoncurrent": { "auth_ref": [ "r12" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 1.0, "parentTag": "ifrs-full_NoncurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The non-current amount of current tax assets. [Refer: Current tax assets]" } }, "en-us": { "role": { "label": "Current tax assets, non-current", "terseLabel": "Tax credits receivables" } } }, "localname": "CurrentTaxAssetsNoncurrent", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentValueAddedTaxReceivables": { "auth_ref": [ "r270" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 4.0, "parentTag": "ifrs-full_CurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of current value added tax receivables. [Refer: Value added tax receivables]" } }, "en-us": { "role": { "label": "Current value added tax receivables", "terseLabel": "Sales taxes receivable" } } }, "localname": "CurrentValueAddedTaxReceivables", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DeferredTaxExpenseIncomeAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Deferred tax expense (income) [abstract]", "terseLabel": "Composition of deferred income taxes in the income statement:" } } }, "localname": "DeferredTaxExpenseIncomeAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss": { "auth_ref": [ "r40" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "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", "totalLabel": "Income tax", "verboseLabel": "Recognized in the net earnings" } } }, "localname": "DeferredTaxExpenseIncomeRecognisedInProfitOrLoss", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails", "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesForWhichCompanyHasRecognizedDeferredTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DeferredTaxLiabilityAsset": { "auth_ref": [ "r39" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of deferred tax liabilities or assets. [Refer: Deferred tax liabilities; Deferred tax assets]" } }, "en-us": { "role": { "label": "Deferred tax liability (asset)", "periodEndLabel": "Closing balance", "periodStartLabel": "Opening balance" } } }, "localname": "DeferredTaxLiabilityAsset", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesForWhichCompanyHasRecognizedDeferredTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity": { "auth_ref": [ "r35" ], "lang": { "en": { "role": { "documentation": "The amount of deferred tax related to items credited (charged) directly to equity. [Refer: Deferred tax expense (income)]" } }, "en-us": { "role": { "label": "Deferred tax relating to items credited (charged) directly to equity", "terseLabel": "Recognized in Equity" } } }, "localname": "DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesForWhichCompanyHasRecognizedDeferredTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DepreciationAndAmortisationExpense": { "auth_ref": [ "r1", "r32", "r103", "r176", "r182", "r203" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails": { "order": 8.0, "parentTag": "ifrs-full_GeneralAndAdministrativeExpense", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of depreciation and amortisation expense. Depreciation and amortisation are the systematic allocations of depreciable amounts of assets over their useful lives." } }, "en-us": { "role": { "label": "Depreciation and amortisation expense", "terseLabel": "Depreciation and amortization" } } }, "localname": "DepreciationAndAmortisationExpense", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DepreciationPropertyPlantAndEquipment": { "auth_ref": [ "r48", "r51" ], "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.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DepreciationRightofuseAssets": { "auth_ref": [ "r120" ], "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", "terseLabel": "Depreciation" } } }, "localname": "DepreciationRightofuseAssets", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsAdditionalInformationDetails", "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DerivativesMember": { "auth_ref": [ "r226", "r229", "r234", "r240" ], "lang": { "en": { "role": { "documentation": "This member stands for financial instruments or other contracts within the scope of IFRS 9 with all three of the following characteristics: (a) Their value changes in response to the change in a specified interest rate, financial instrument price, commodity price, foreign exchange rate, index of prices or rates, credit rating or credit index, or other variable, provided in the case of a non-financial variable that the variable is not specific to a party to the contract (sometimes called the \u2018underlying\u2019); (b) They require no initial net investment or an initial net investment that is smaller than would be required for other types of contracts that would be expected to have a similar response to changes in market factors; (c) They are settled at a future date. [Refer: Financial instruments, class [member]]" } }, "en-us": { "role": { "label": "Derivatives [member]", "terseLabel": "Derivative", "verboseLabel": "Convertible Notes - Embedded Derivatives" } } }, "localname": "DerivativesMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementLiquidityRiskDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory": { "auth_ref": [ "r299", "r300" ], "lang": { "en": { "role": { "documentation": "Expiry date 2023-01-01: The description of the entity's accounting policy for contingent liabilities and contingent assets. [Refer: Contingent liabilities [member]; Description of nature of contingent assets]\nEffective 2023-01-01: The description of the entity's material accounting policy information for contingent liabilities and contingent assets. [Refer: Contingent liabilities [member]; Description of nature of contingent assets]" } }, "en-us": { "role": { "label": "Description of accounting policy for contingent liabilities and contingent assets [text block]", "terseLabel": "PROVISION AND CONTINGENT LIABILITIES" } } }, "localname": "DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory": { "auth_ref": [ "r299", "r300" ], "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": "BASIC AND DILUTED LOSS PER SHARE" } } }, "localname": "DescriptionOfAccountingPolicyForEarningsPerShareExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForExplorationAndEvaluationExpenditures": { "auth_ref": [ "r146" ], "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 EXPENDITURES" } } }, "localname": "DescriptionOfAccountingPolicyForExplorationAndEvaluationExpenditures", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory": { "auth_ref": [ "r299", "r300" ], "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.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory": { "auth_ref": [ "r299", "r300" ], "lang": { "en": { "role": { "documentation": "Expiry date 2023-01-01: The description of the entity's accounting policy for foreign currency translation.\nEffective 2023-01-01: The description of the entity's material accounting policy information for foreign currency translation." } }, "en-us": { "role": { "label": "Description of accounting policy for foreign currency translation [text block]", "terseLabel": "FUNCTIONAL AND REPORTING CURRENCY" } } }, "localname": "DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants": { "auth_ref": [ "r55" ], "lang": { "en": { "role": { "documentation": "The description of the entity's accounting policy for government grants, including the methods of presentation adopted in the financial statements. [Refer: Government [member]; Government grants]" } }, "en-us": { "role": { "label": "Description of accounting policy for government grants [text block]", "terseLabel": "GRANTS RECEIVABLE" } } }, "localname": "DescriptionOfAccountingPolicyForGovernmentGrants", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory": { "auth_ref": [ "r299", "r300" ], "lang": { "en": { "role": { "documentation": "Expiry date 2023-01-01: The description of the entity's accounting policy for the impairment of non-financial assets. [Refer: Financial assets]\nEffective 2023-01-01: The description of the entity's material accounting policy information for the impairment of non-financial assets. [Refer: Financial assets]" } }, "en-us": { "role": { "label": "Description of accounting policy for impairment of non-financial assets [text block]", "terseLabel": "IMPAIRMENT OF NON-FINANCIAL ASSETS" } } }, "localname": "DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory": { "auth_ref": [ "r299", "r300" ], "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.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory": { "auth_ref": [ "r299", "r300" ], "lang": { "en": { "role": { "documentation": "Expiry date 2023-01-01: The description of the entity's accounting policy for intangible assets other than goodwill. [Refer: Intangible assets other than goodwill]\nEffective 2023-01-01: The description of the entity's material accounting policy information for intangible assets other than goodwill. [Refer: Intangible assets other than goodwill]" } }, "en-us": { "role": { "label": "Description of accounting policy for intangible assets other than goodwill [text block]", "terseLabel": "INTANGIBLE ASSETS" } } }, "localname": "DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForIssuedCapitalExplanatory": { "auth_ref": [ "r299", "r300" ], "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": "EQUITY" } } }, "localname": "DescriptionOfAccountingPolicyForIssuedCapitalExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory": { "auth_ref": [ "r299", "r300" ], "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]", "terseLabel": "LEASES" } } }, "localname": "DescriptionOfAccountingPolicyForLeasesExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory": { "auth_ref": [ "r299", "r300" ], "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": "PROPERTY AND EQUIPMENT" } } }, "localname": "DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory": { "auth_ref": [ "r299", "r300" ], "lang": { "en": { "role": { "documentation": "Expiry date 2023-01-01: The description of the entity's accounting policy for provisions. [Refer: Provisions]\nEffective 2023-01-01: The description of the entity's material accounting policy information for provisions. [Refer: Provisions]" } }, "en-us": { "role": { "label": "Description of accounting policy for provisions [text block]", "terseLabel": "PROVISION FOR ASSET RETIREMENT OBLIGATION" } } }, "localname": "DescriptionOfAccountingPolicyForProvisionsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForResearchAndDevelopmentExpenseExplanatory": { "auth_ref": [ "r299", "r300" ], "lang": { "en": { "role": { "documentation": "Expiry date 2023-01-01: The description of the entity's accounting policy for research and development expense. [Refer: Research and development expense]\nEffective 2023-01-01: The description of the entity's material accounting policy information for research and development expense. [Refer: Research and development expense]" } }, "en-us": { "role": { "label": "Description of accounting policy for research and development expense [text block]", "terseLabel": "RESEARCH AND DEVELOPMENT COSTS" } } }, "localname": "DescriptionOfAccountingPolicyForResearchAndDevelopmentExpenseExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory": { "auth_ref": [ "r299", "r300" ], "lang": { "en": { "role": { "documentation": "Expiry date 2023-01-01: The description of the entity's accounting policy for segment reporting.\nEffective 2023-01-01: The description of the entity's material accounting policy information for segment reporting." } }, "en-us": { "role": { "label": "Description of accounting policy for segment reporting [text block]", "terseLabel": "SEGMENT DISCLOSURE" } } }, "localname": "DescriptionOfAccountingPolicyForSegmentReportingExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory": { "auth_ref": [ "r299", "r300" ], "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.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents": { "auth_ref": [ "r91" ], "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 AND CASH EQUIVALENTS" } } }, "localname": "DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted": { "auth_ref": [ "r141" ], "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 volatility" } } }, "localname": "DescriptionOfExpectedVolatilityShareOptionsGranted", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_DescriptionOfOptionLifeShareOptionsGranted": { "auth_ref": [ "r141" ], "lang": { "en": { "role": { "documentation": "The option life of share options granted." } }, "en-us": { "role": { "label": "Option life, share options granted", "terseLabel": "Expected life" } } }, "localname": "DescriptionOfOptionLifeShareOptionsGranted", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "decimalItemType" }, "ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted": { "auth_ref": [ "r141" ], "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.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_DilutedEarningsLossPerInstrumentParticipatingEquityInstrumentsOtherThanOrdinaryShares": { "auth_ref": [ "r280" ], "lang": { "en": { "role": { "documentation": "Diluted earnings (loss) per instrument for an equity instrument that participates in profit with ordinary shares according to a predetermined formula." } }, "en-us": { "role": { "label": "Diluted earnings (loss) per instrument, participating equity instruments other than ordinary shares", "terseLabel": "Average shares basic and diluted" } } }, "localname": "DilutedEarningsLossPerInstrumentParticipatingEquityInstrumentsOtherThanOrdinaryShares", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBasisOfPreparationAndStatementOfComplianceDetails" ], "xbrltype": "perShareItemType" }, "ifrs-full_DilutedEarningsLossPerShare": { "auth_ref": [ "r67", "r68" ], "lang": { "en": { "role": { "documentation": "The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator), divided by the weighted average number of ordinary shares outstanding during the period (the denominator), both adjusted for the effects of all dilutive potential ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]" } }, "en-us": { "role": { "label": "Diluted earnings (loss) per share", "terseLabel": "Loss per share, Diluted", "verboseLabel": "Diluted loss per share" } } }, "localname": "DilutedEarningsLossPerShare", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityLossPerShareDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss" ], "xbrltype": "perShareItemType" }, "ifrs-full_DilutiveEffectOfConvertibleInstrumentsOnNumberOfOrdinaryShares": { "auth_ref": [ "r279" ], "lang": { "en": { "role": { "documentation": "The number of dilutive potential ordinary shares that relate to the assumed conversion of the entity's convertible instruments." } }, "en-us": { "role": { "label": "Dilutive effect of convertible instruments on number of ordinary shares", "terseLabel": "Dilutive effect of 2022 Convertibles Notes" } } }, "localname": "DilutiveEffectOfConvertibleInstrumentsOnNumberOfOrdinaryShares", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityLossPerShareDetails" ], "xbrltype": "sharesItemType" }, "ifrs-full_DirectorsRemunerationExpense": { "auth_ref": [ "r268" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of remuneration paid or payable to the entity's directors." } }, "en-us": { "role": { "label": "Directors' remuneration expense", "terseLabel": "Board fees" } } }, "localname": "DirectorsRemunerationExpense", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems": { "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 attribution of expenses by nature to their function [line items]", "terseLabel": "BATTERY MATERIAL PLANT PROJECT EXPENSES", "verboseLabel": "EXPLORATION AND EVALUATION EXPENSES" } } }, "localname": "DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable": { "auth_ref": [ "r265", "r268" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to attribution of expenses by nature to analysis of expenses by function in the statement of profit or loss." } }, "en-us": { "role": { "label": "Disclosure of attribution of expenses by nature to their function [table]" } } }, "localname": "DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfBasisOfConsolidationExplanatory": { "auth_ref": [ "r264" ], "lang": { "en": { "role": { "documentation": "The disclosure of the basis used for consolidation." } }, "en-us": { "role": { "label": "Disclosure of basis of consolidation [text block]", "terseLabel": "BASIS OF CONSOLIDATION" } } }, "localname": "DisclosureOfBasisOfConsolidationExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfBorrowingsExplanatory": { "auth_ref": [ "r264" ], "lang": { "en": { "role": { "documentation": "The disclosure of borrowings. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Disclosure of borrowings [text block]", "terseLabel": "BORROWINGS" } } }, "localname": "DisclosureOfBorrowingsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowings" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory": { "auth_ref": [ "r264" ], "lang": { "en": { "role": { "documentation": "The disclosure of cash and cash equivalents. [Refer: Cash and cash equivalents]" } }, "en-us": { "role": { "label": "Disclosure of cash and cash equivalents [text block]", "terseLabel": "CASH AND CASH EQUIVALENTS" } } }, "localname": "DisclosureOfCashAndCashEquivalentsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureCashAndCashEquivalents" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfClassesOfShareCapitalAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "EQUITY" } } }, "localname": "DisclosureOfClassesOfShareCapitalAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory": { "auth_ref": [ "r24" ], "lang": { "en": { "role": { "documentation": "The disclosure of classes of share capital. [Refer: Share capital [member]]" } }, "en-us": { "role": { "label": "Disclosure of classes of share capital [text block]", "terseLabel": "Schedule of shares" } } }, "localname": "DisclosureOfClassesOfShareCapitalExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityTables" ], "xbrltype": "textBlockItemType" }, "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": "Share capital" } } }, "localname": "DisclosureOfClassesOfShareCapitalLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfClassesOfShareCapitalTable": { "auth_ref": [ "r24" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to classes of share capital." } }, "en-us": { "role": { "label": "Disclosure of classes of share capital [table]" } } }, "localname": "DisclosureOfClassesOfShareCapitalTable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfCommitmentsExplanatory": { "auth_ref": [ "r264" ], "lang": { "en": { "role": { "documentation": "The disclosure of commitments." } }, "en-us": { "role": { "label": "Disclosure of commitments [text block]", "terseLabel": "COMMITMENTS" } } }, "localname": "DisclosureOfCommitmentsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureCommitments" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory": { "auth_ref": [ "r298" ], "lang": { "en": { "role": { "documentation": "The disclosure of detailed information about borrowings. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Disclosure of detailed information about borrowings [text block]", "terseLabel": "Schedule of borrowings" } } }, "localname": "DisclosureOfDetailedInformationAboutBorrowingsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems": { "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 borrowings [line items]", "terseLabel": "BORROWINGS", "verboseLabel": "NATURE OF OPERATIONS AND GOING CONCERN" } } }, "localname": "DisclosureOfDetailedInformationAboutBorrowingsLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails", "http://www.nouveaumonde.com/role/DisclosureNatureOfOperationsAndGoingConcernDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable": { "auth_ref": [ "r298" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to details of borrowings." } }, "en-us": { "role": { "label": "Disclosure of detailed information about borrowings [table]" } } }, "localname": "DisclosureOfDetailedInformationAboutBorrowingsTable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails", "http://www.nouveaumonde.com/role/DisclosureNatureOfOperationsAndGoingConcernDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory": { "auth_ref": [ "r153", "r158", "r165" ], "lang": { "en": { "role": { "documentation": "The disclosure of detailed information about financial instruments. [Refer: Financial instruments, class [member]]" } }, "en-us": { "role": { "label": "Disclosure of detailed information about financial instruments [text block]", "terseLabel": "Schedule of financial instruments" } } }, "localname": "DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory": { "auth_ref": [ "r78" ], "lang": { "en": { "role": { "documentation": "The disclosure of detailed information about intangible assets. [Refer: Intangible assets other than goodwill]" } }, "en-us": { "role": { "label": "Disclosure of detailed information about intangible assets [text block]", "terseLabel": "Schedule of intangible assets" } } }, "localname": "DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIntangibleAssetsTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory": { "auth_ref": [ "r50" ], "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": "Schedule of property and equipment" } } }, "localname": "DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfEarningsPerShareExplanatory": { "auth_ref": [ "r71" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for earnings per share." } }, "en-us": { "role": { "label": "Disclosure of earnings per share [text block]", "verboseLabel": "Schedule of calculation of basic and diluted loss per share" } } }, "localname": "DisclosureOfEarningsPerShareExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory": { "auth_ref": [ "r187" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for operating segments." } }, "en-us": { "role": { "label": "Disclosure of entity's operating segments [text block]", "terseLabel": "ADDITIONAL SEGMENT INFORMATION" } } }, "localname": "DisclosureOfEntitysReportableSegmentsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalSegmentInformation" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory": { "auth_ref": [ "r33" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for events after the reporting period." } }, "en-us": { "role": { "label": "Disclosure of events after reporting period [text block]", "terseLabel": "SUBSEQUENT EVENTS" } } }, "localname": "DisclosureOfEventsAfterReportingPeriodExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSubsequentEvents" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfExplorationAndEvaluationAssetsExplanatory": { "auth_ref": [ "r148" ], "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 EXPENSES" } } }, "localname": "DisclosureOfExplorationAndEvaluationAssetsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpenses" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory": { "auth_ref": [ "r264" ], "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]", "terseLabel": "Schedule of fair value of financial instrumens" } } }, "localname": "DisclosureOfFairValueOfFinancialInstrumentsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory": { "auth_ref": [ "r264" ], "lang": { "en": { "role": { "documentation": "The disclosure of finance income (cost). [Refer: Finance income (cost)]" } }, "en-us": { "role": { "label": "Disclosure of finance income (cost) [text block]", "terseLabel": "NET FINANCIAL COSTS (INCOME)" } } }, "localname": "DisclosureOfFinanceIncomeExpenseExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureNetFinancialCostsIncome" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfFinancialInstrumentsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "FINANCIAL INSTRUMENTS AND RISK MANAGEMENT" } } }, "localname": "DisclosureOfFinancialInstrumentsAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfFinancialInstrumentsExplanatory": { "auth_ref": [ "r174" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for financial instruments." } }, "en-us": { "role": { "label": "Disclosure of financial instruments [text block]", "terseLabel": "FINANCIAL INSTRUMENTS AND RISK MANAGEMENT" } } }, "localname": "DisclosureOfFinancialInstrumentsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagement" ], "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": "Financial assets and financial liabilities" } } }, "localname": "DisclosureOfFinancialInstrumentsLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfFinancialInstrumentsTable": { "auth_ref": [ "r153", "r158", "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.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory": { "auth_ref": [ "r264" ], "lang": { "en": { "role": { "documentation": "The disclosure of general and administrative expenses. [Refer: Administrative expenses]" } }, "en-us": { "role": { "label": "Disclosure of general and administrative expense [text block]", "terseLabel": "GENERAL AND ADMINISTRATIVE EXPENSES" } } }, "localname": "DisclosureOfGeneralAndAdministrativeExpenseExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpenses" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfGovernmentGrantsExplanatory": { "auth_ref": [ "r56" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for government grants." } }, "en-us": { "role": { "label": "Disclosure of government grants [text block]", "terseLabel": "GRANTS RECEIVABLE AND OTHER CURRENT ASSETS" } } }, "localname": "DisclosureOfGovernmentGrantsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGrantsReceivableAndOtherCurrentAssets" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfIncomeTaxExplanatory": { "auth_ref": [ "r42" ], "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.nouveaumonde.com/role/DisclosureIncomeTaxes" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory": { "auth_ref": [ "r142" ], "lang": { "en": { "role": { "documentation": "The disclosure of information about indirect, by reference to the fair value of the equity instruments granted, measurement of the fair value of goods or services received as consideration for the entity's share options." } }, "en-us": { "role": { "label": "Disclosure of indirect measurement of fair value of goods or services received, share options granted during period [text block]", "terseLabel": "Schedule of the weighted average fair value of the share options granted were estimated using the Black-Scholes option pricing model" } } }, "localname": "DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory": { "auth_ref": [ "r264" ], "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": "Schedule of key management personnel remuneration" } } }, "localname": "DisclosureOfInformationAboutKeyManagementPersonnelExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfIntangibleAssetsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "INTANGIBLE ASSETS" } } }, "localname": "DisclosureOfIntangibleAssetsAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfIntangibleAssetsExplanatory": { "auth_ref": [ "r79" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for intangible assets." } }, "en-us": { "role": { "label": "Disclosure of intangible assets [text block]", "terseLabel": "INTANGIBLE ASSETS" } } }, "localname": "DisclosureOfIntangibleAssetsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIntangibleAssets" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfIntangibleAssetsLineItems": { "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 intangible assets [line items]", "terseLabel": "INTANGIBLE ASSETS", "verboseLabel": "SIGNIFICANT ACCOUNTING POLICIES" } } }, "localname": "DisclosureOfIntangibleAssetsLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIntangibleAssetsDetails", "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesIntangibleAssetsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfIntangibleAssetsTable": { "auth_ref": [ "r78" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to details of intangible assets." } }, "en-us": { "role": { "label": "Disclosure of detailed information about intangible assets [table]" } } }, "localname": "DisclosureOfIntangibleAssetsTable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIntangibleAssetsDetails", "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesIntangibleAssetsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfInterestsInSubsidiariesExplanatory": { "auth_ref": [ "r97" ], "lang": { "en": { "role": { "documentation": "The disclosure of interests in subsidiaries. [Refer: Subsidiaries [member]]" } }, "en-us": { "role": { "label": "Disclosure of interests in subsidiaries [text block]", "terseLabel": "Schedule of subsidiaries" } } }, "localname": "DisclosureOfInterestsInSubsidiariesExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodExplanatory": { "auth_ref": [ "r264" ], "lang": { "en": { "role": { "documentation": "The disclosure of investments other than investments accounted for using the equity method. [Refer: Investments other than investments accounted for using equity method]" } }, "en-us": { "role": { "label": "Disclosure of investments other than investments accounted for using equity method [text block]", "terseLabel": "INVESTMENTS - LISTED SHARES" } } }, "localname": "DisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureInvestmentsListedShares" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems": { "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 non-derivative financial liabilities [line items]", "terseLabel": "Liquidity risk" } } }, "localname": "DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementLiquidityRiskDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable": { "auth_ref": [ "r161" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to the maturity analysis for non-derivative financial liabilities." } }, "en-us": { "role": { "label": "Disclosure of maturity analysis for non-derivative financial liabilities [table]" } } }, "localname": "DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementLiquidityRiskDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems": { "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 nature and extent of risks arising from financial instruments [line items]", "terseLabel": "Currency risk" } } }, "localname": "DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementCurrencyRiskDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementInterestRateRiskDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable": { "auth_ref": [ "r154", "r155" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to the nature and extent of risks arising from financial instruments." } }, "en-us": { "role": { "label": "Disclosure of nature and extent of risks arising from financial instruments [table]" } } }, "localname": "DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementCurrencyRiskDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementInterestRateRiskDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "SUBSEQUENT EVENTS" } } }, "localname": "DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfNotesAndOtherExplanatoryInformationExplanatory": { "auth_ref": [ "r0" ], "lang": { "en": { "role": { "documentation": "The disclosure of notes and other explanatory information as part of a complete set of financial statements." } }, "en-us": { "role": { "label": "Disclosure of notes and other explanatory information [text block]", "terseLabel": "NATURE OF OPERATIONS AND GOING CONCERN" } } }, "localname": "DisclosureOfNotesAndOtherExplanatoryInformationExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureNatureOfOperationsAndGoingConcern" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory": { "auth_ref": [ "r137" ], "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": "Schedule of share options" } } }, "localname": "DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "INFORMATION DISCLOSURE ABOUT CAPITAL MANAGEMENT" } } }, "localname": "DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory": { "auth_ref": [ "r5" ], "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": "INFORMATION DISCLOSURE ABOUT CAPITAL MANAGEMENT" } } }, "localname": "DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureInformationDisclosureAboutCapitalManagement" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfOperatingSegmentsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "ADDITIONAL SEGMENT INFORMATION" } } }, "localname": "DisclosureOfOperatingSegmentsAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfOperatingSegmentsExplanatory": { "auth_ref": [ "r178" ], "lang": { "en": { "role": { "documentation": "The disclosure of operating segments. [Refer: Operating segments [member]]" } }, "en-us": { "role": { "label": "Disclosure of operating segments [text block]", "terseLabel": "Schedule of additional segment information" } } }, "localname": "DisclosureOfOperatingSegmentsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalSegmentInformationTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfOperatingSegmentsLineItems": { "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 operating segments [line items]", "terseLabel": "ADDITIONAL SEGMENT INFORMATION" } } }, "localname": "DisclosureOfOperatingSegmentsLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalSegmentInformationDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfOperatingSegmentsTable": { "auth_ref": [ "r178" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to operating segments." } }, "en-us": { "role": { "label": "Disclosure of operating segments [table]" } } }, "localname": "DisclosureOfOperatingSegmentsTable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalSegmentInformationDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory": { "auth_ref": [ "r53" ], "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, PLANT AND EQUIPMENT" } } }, "localname": "DisclosureOfPropertyPlantAndEquipmentExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipment" ], "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": "Property and equipment", "verboseLabel": "SIGNIFICANT ACCOUNTING POLICIES" } } }, "localname": "DisclosureOfPropertyPlantAndEquipmentLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPropertyAndEquipmentDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable": { "auth_ref": [ "r50" ], "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]" } } }, "localname": "DisclosureOfPropertyPlantAndEquipmentTable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPropertyAndEquipmentDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "RIGHT-OF-USE ASSETS." } } }, "localname": "DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory": { "auth_ref": [ "r126" ], "lang": { "en": { "role": { "documentation": "The disclosure of quantitative information about right-of-use assets. [Refer: Right-of-use assets]" } }, "en-us": { "role": { "label": "Disclosure of quantitative information about right-of-use assets [text block]", "terseLabel": "RIGHT-OF-USE ASSETS" } } }, "localname": "DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssets" ], "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]", "terseLabel": "RIGHT-OF-USE ASSETS" } } }, "localname": "DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsAdditionalInformationDetails", "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable": { "auth_ref": [ "r126" ], "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.nouveaumonde.com/role/DisclosureRightOfUseAssetsAdditionalInformationDetails", "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsDetails" ], "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.nouveaumonde.com/role/DisclosureRelatedPartyTransactions" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsLiabilitiesExplanatory": { "auth_ref": [ "r114" ], "lang": { "en": { "role": { "documentation": "The disclosure of the sensitivity analysis of the fair value measurement of liabilities to changes in unobservable inputs." } }, "en-us": { "role": { "label": "Disclosure of sensitivity analysis of fair value measurement to changes in unobservable inputs, liabilities [text block]", "terseLabel": "Schedule of sensitivity analysis" } } }, "localname": "DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsLiabilitiesExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory": { "auth_ref": [ "r25" ], "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": "EQUITY" } } }, "localname": "DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquity" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory": { "auth_ref": [ "r201" ], "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.nouveaumonde.com/role/DisclosureSignificantAccountingPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory": { "auth_ref": [ "r41" ], "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": "Schedule of temporary differences and unused tax losses for which the Company has not recognized deferred tax assets" } } }, "localname": "DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTables" ], "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": "Significant components of the unrecognized deferred tax assets and liabilities" } } }, "localname": "DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesAndUnusedTaxLossesForWhichCompanyHasNotRecognizedDeferredTaxAssetsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable": { "auth_ref": [ "r41" ], "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]" } } }, "localname": "DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesAndUnusedTaxLossesForWhichCompanyHasNotRecognizedDeferredTaxAssetsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems": { "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 terms and conditions of share-based payment arrangement [line items]", "terseLabel": "Share-based payments" } } }, "localname": "DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable": { "auth_ref": [ "r140" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to terms and conditions of share-based payment arrangements." } }, "en-us": { "role": { "label": "Disclosure of terms and conditions of share-based payment arrangement [table]" } } }, "localname": "DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory": { "auth_ref": [ "r264" ], "lang": { "en": { "role": { "documentation": "The disclosure of trade and other payables. [Refer: Trade and other payables]" } }, "en-us": { "role": { "label": "Disclosure of trade and other payables [text block]", "terseLabel": "ACCOUNTS PAYABLES AND ACCRUED LIABILITIES" } } }, "localname": "DisclosureOfTradeAndOtherPayablesExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAccountsPayablesAndAccruedLiabilities" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory": { "auth_ref": [ "r61" ], "lang": { "en": { "role": { "documentation": "The disclosure of transactions between the entity and its related parties. [Refer: Related parties [member]]" } }, "en-us": { "role": { "label": "Disclosure of transactions between related parties [text block]", "terseLabel": "Schedule of directors remuneration" } } }, "localname": "DisclosureOfTransactionsBetweenRelatedPartiesExplanatory", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems": { "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 transactions between related parties [line items]", "terseLabel": "RELATED PARTY TRANSACTIONS" } } }, "localname": "DisclosureOfTransactionsBetweenRelatedPartiesLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable": { "auth_ref": [ "r62" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to transactions between related parties." } }, "en-us": { "role": { "label": "Disclosure of transactions between related parties [table]" } } }, "localname": "DisclosureOfTransactionsBetweenRelatedPartiesTable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesLineItems": { "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 unconsolidated structured entities [line items]", "terseLabel": "INVESTMENTS - LISTED SHARES" } } }, "localname": "DisclosureOfUnconsolidatedStructuredEntitiesLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureInvestmentsListedSharesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesTable": { "auth_ref": [ "r106" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to unconsolidated structured entities." } }, "en-us": { "role": { "label": "Disclosure of unconsolidated structured entities [table]" } } }, "localname": "DisclosureOfUnconsolidatedStructuredEntitiesTable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureInvestmentsListedSharesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisposalsPropertyPlantAndEquipment": { "auth_ref": [ "r46" ], "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", "terseLabel": "Write-Off/Disposals" } } }, "localname": "DisposalsPropertyPlantAndEquipment", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_EarningsPerShareAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Earnings per share [abstract]", "terseLabel": "Net earnings per Share" } } }, "localname": "EarningsPerShareAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss" ], "xbrltype": "stringItemType" }, "ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents": { "auth_ref": [ "r87", "r88" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 4.0, "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", "terseLabel": "Effect of exchange rate changes on cash" } } }, "localname": "EffectOfExchangeRateChangesOnCashAndCashEquivalents", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalentsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "CASH AND CASH EQUIVALENTS" } } }, "localname": "EffectOfExchangeRateChangesOnCashAndCashEquivalentsAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_EntitysTotalForRelatedPartiesMember": { "auth_ref": [ "r62" ], "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]" } } }, "localname": "EntitysTotalForRelatedPartiesMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails", "http://www.nouveaumonde.com/role/DisclosureConvertibleNotes2020ConvertibleNoteWithPallinghurstDetails", "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails", "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_EntitysTotalForSegmentConsolidationItemsMember": { "auth_ref": [ "r183" ], "lang": { "en": { "role": { "documentation": "This member stands for the standard value for the 'Segment consolidation items' axis if no other member is used." } }, "en-us": { "role": { "label": "Entity's total for segment consolidation items [member]" } } }, "localname": "EntitysTotalForSegmentConsolidationItemsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalSegmentInformationDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_Equity": { "auth_ref": [ "r13", "r21", "r93", "r95", "r107", "r108", "r112" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 2.0, "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": "Balance at the end", "periodStartLabel": "Balance at the beginning", "totalLabel": "Total equity" } } }, "localname": "Equity", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "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.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "stringItemType" }, "ifrs-full_EquityAndLiabilities": { "auth_ref": [ "r13" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "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.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_EquityMember": { "auth_ref": [ "r4" ], "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]" } } }, "localname": "EquityMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "domainItemType" }, "ifrs-full_ExercisePriceShareOptionsGranted2019": { "auth_ref": [ "r141" ], "lang": { "en": { "role": { "documentation": "The exercise price of share options granted." } }, "en-us": { "role": { "label": "Exercise price, share options granted", "terseLabel": "Exercise price at date of grant" } } }, "localname": "ExercisePriceShareOptionsGranted2019", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "perShareItemType" }, "ifrs-full_ExpectedDividendShareOptionsGranted": { "auth_ref": [ "r141" ], "lang": { "en": { "role": { "documentation": "The amount of an expected dividend used to calculate the fair value of share options granted." } }, "en-us": { "role": { "label": "Expected dividend, share options granted", "terseLabel": "Expected dividend" } } }, "localname": "ExpectedDividendShareOptionsGranted", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ExpenseArisingFromExplorationForAndEvaluationOfMineralResources": { "auth_ref": [ "r147" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLosss": { "order": 1.0, "parentTag": "ifrs-full_ProfitLossFromOperatingActivities", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of expense 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": "Expense arising from exploration for and evaluation of mineral resources", "terseLabel": "Exploration and evaluation expenses", "totalLabel": "Exploration and evaluation expenses" } } }, "localname": "ExpenseArisingFromExplorationForAndEvaluationOfMineralResources", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ExpenseByNatureAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Expenses by nature [abstract]", "terseLabel": "EXPENSES" } } }, "localname": "ExpenseByNatureAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss" ], "xbrltype": "stringItemType" }, "ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets": { "auth_ref": [ "r143" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails": { "order": 2.0, "parentTag": "ifrs-full_OperatingExpense", "weight": 1.0 }, "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails": { "order": 2.0, "parentTag": "ifrs-full_ExpenseArisingFromExplorationForAndEvaluationOfMineralResources", "weight": 1.0 }, "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails": { "order": 2.0, "parentTag": "ifrs-full_GeneralAndAdministrativeExpense", "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", "terseLabel": "Share-based compensation" } } }, "localname": "ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails", "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed": { "auth_ref": [ "r122" ], "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", "terseLabel": "Expenses related to short term leases" } } }, "localname": "ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_FinanceCosts": { "auth_ref": [ "r27" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of costs associated with financing activities of the entity." } }, "en-us": { "role": { "label": "Finance costs", "totalLabel": "Net financial costs" } } }, "localname": "FinanceCosts", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureNetFinancialCostsIncomeDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_FinanceCostsPaidClassifiedAsOperatingActivities": { "auth_ref": [ "r291" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The cash outflow for finance costs paid, classified as operating activities. [Refer: Finance costs]" } }, "en-us": { "role": { "label": "Finance costs paid, classified as operating activities", "terseLabel": "Interest paid" } } }, "localname": "FinanceCostsPaidClassifiedAsOperatingActivities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_FinanceIncomeCost": { "auth_ref": [ "r272" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureNetFinancialCostsIncomeDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLosss": { "order": 2.0, "parentTag": "ifrs-full_ProfitLossBeforeTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of income or cost associated with interest and other financing activities of the entity." } }, "en-us": { "role": { "label": "Finance income (cost)", "negatedLabel": "Net financial costs (income)", "negatedTotalLabel": "Net financial costs (income)" } } }, "localname": "FinanceIncomeCost", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureNetFinancialCostsIncomeDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "ifrs-full_FinancialAssets": { "auth_ref": [ "r151", "r156", "r157", "r159", "r233" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity\u2019s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity\u2019s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity\u2019s own equity instruments. For this purpose the entity\u2019s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity\u2019s own equity instruments. [Refer: Financial instruments, class [member]; Financial liabilities]" } }, "en-us": { "role": { "label": "Financial assets", "verboseLabel": "Total" } } }, "localname": "FinancialAssets", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_FinancialAssetsAtAmortisedCost": { "auth_ref": [ "r168" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of financial assets at amortised cost. The amortised cost is the amount at which financial assets are measured at initial recognition minus principal repayments, plus or minus the cumulative amortisation using the effective interest method of any difference between that initial amount and the maturity amount, and adjusted for any impairment. [Refer: Financial assets]" } }, "en-us": { "role": { "label": "Financial assets at amortised cost", "terseLabel": "Amortized cost" } } }, "localname": "FinancialAssetsAtAmortisedCost", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss": { "auth_ref": [ "r166" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of financial assets that are measured at fair value and for which gains (losses) are recognised in profit or loss. A financial asset shall be measured at fair value through profit or loss unless it is measured at amortised cost or at fair value through other comprehensive income. A gain (loss) on a financial asset measured at fair value shall be recognised in profit or loss unless it is part of a hedging relationship, it is an investment in an equity instrument for which the entity has elected to present gains and losses in other comprehensive income or it is a financial asset measured at fair value through other comprehensive income. [Refer: At fair value [member]; Financial assets]" } }, "en-us": { "role": { "label": "Financial assets at fair value through profit or loss", "terseLabel": "At fair value through profit or loss" } } }, "localname": "FinancialAssetsAtFairValueThroughProfitOrLoss", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember": { "auth_ref": [ "r166" ], "lang": { "en": { "role": { "documentation": "This member stands for the financial assets at fair value through profit or loss category. [Refer: Financial assets at fair value through profit or loss]" } }, "en-us": { "role": { "label": "Financial assets at fair value through profit or loss, category [member]", "terseLabel": "Financial Assets at FVTPL" } } }, "localname": "FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_FinancialAssetsCategoryMember": { "auth_ref": [ "r170" ], "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]", "terseLabel": "Financial assets, category [member]" } } }, "localname": "FinancialAssetsCategoryMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_FinancialAssetsMember": { "auth_ref": [ "r163", "r164", "r188", "r198", "r199", "r200" ], "lang": { "en": { "role": { "documentation": "This member stands for aggregated classes of financial assets. It also represents the standard value for the 'Classes of financial assets' axis if no other member is used. [Refer: Financial assets]" } }, "en-us": { "role": { "label": "Financial assets, class [member]" } } }, "localname": "FinancialAssetsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_FinancialLiabilities": { "auth_ref": [ "r151" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of liabilities that are: (a) a contractual obligation: (i) to deliver cash or another financial asset to another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially unfavourable to the entity; or (b) a contract that will, or may be, settled in the entity\u2019s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to deliver a variable number of the entity\u2019s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity\u2019s own equity instruments. For this purpose, rights, options or warrants to acquire a fixed number of the entity\u2019s own equity instruments for a fixed amount of any currency are equity instruments if the entity offers the rights, options or warrants pro rata to all of its existing owners of the same class of its own non-derivative equity instruments. Also, for those purposes the entity\u2019s own equity instruments do not include puttable financial instruments that are classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity\u2019s own equity instruments. As an exception, an instrument that meets the definition of a financial liability is classified as an equity instrument if it has all the features and meets the conditions in paragraphs 16A-16B or paragraphs 16C-16D of IAS 32. [Refer: Financial instruments, class [member]; Financial assets; Derivatives [member]]" } }, "en-us": { "role": { "label": "Financial liabilities", "terseLabel": "Total" } } }, "localname": "FinancialLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_FinancialLiabilitiesAtAmortisedCost": { "auth_ref": [ "r169", "r202" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of financial liabilities at amortised cost. The amortised cost is the amount at which financial liabilities are measured at initial recognition minus principal repayments, plus or minus the cumulative amortisation using the effective interest method of any difference between that initial amount and the maturity amount. [Refer: Financial liabilities]" } }, "en-us": { "role": { "label": "Financial liabilities at amortised cost", "terseLabel": "Amortized cost" } } }, "localname": "FinancialLiabilitiesAtAmortisedCost", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_FinancialLiabilitiesAtFairValue": { "auth_ref": [ "r151" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The fair value of financial liabilities. [Refer: At fair value [member]; Financial liabilities]" } }, "en-us": { "role": { "label": "Financial liabilities, at fair value", "terseLabel": "Financial liabilities, fair value" } } }, "localname": "FinancialLiabilitiesAtFairValue", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss": { "auth_ref": [ "r167" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of financial liabilities that meet either of the following conditions: (a) they meet the definition of held for trading; or (b) upon initial recognition they are designated by the entity as at fair value through profit or loss. An entity may use this designation only when permitted by paragraph 4.3.5 of IFRS 9 (embedded derivatives) or when doing so results in more relevant information, because either: (a) it eliminates or significantly reduces a measurement or recognition inconsistency (sometimes referred to as \u2018an accounting mismatch\u2019) that would otherwise arise from measuring assets or liabilities or recognising the gains and losses on them on different bases; or (b) a group of financial liabilities or financial assets and financial liabilities is managed and its performance is evaluated on a fair value basis, in accordance with a documented risk management or investment strategy, and information about the group is provided internally on that basis to the entity\u2019s key management personnel (as defined in IAS 24). [Refer: At fair value [member]; Key management personnel of entity or parent [member]; Derivatives [member]; Financial assets; Financial liabilities]" } }, "en-us": { "role": { "label": "Financial liabilities at fair value through profit or loss", "terseLabel": "At fair value through profit or loss" } } }, "localname": "FinancialLiabilitiesAtFairValueThroughProfitOrLoss", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember": { "auth_ref": [ "r167" ], "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]", "terseLabel": "Financial liabilities at FVTPL" } } }, "localname": "FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition": { "auth_ref": [ "r167" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of financial liabilities at fair value through profit or loss that were designated as such upon initial recognition or subsequently. [Refer: At fair value [member]; Financial liabilities at fair value through profit or loss]" } }, "en-us": { "role": { "label": "Financial liabilities at fair value through profit or loss, designated upon initial recognition or subsequently", "terseLabel": "Fair value of inception" } } }, "localname": "FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_FinancialLiabilitiesCategoryMember": { "auth_ref": [ "r170" ], "lang": { "en": { "role": { "documentation": "This member stands for aggregated categories of financial liabilities. It also represents the standard value for the 'Categories of financial liabilities' axis if no other member is used. [Refer: Financial assets]" } }, "en-us": { "role": { "label": "Financial liabilities, category [member]", "terseLabel": "Financial liabilities, category [member]" } } }, "localname": "FinancialLiabilitiesCategoryMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_FinancialLiabilitiesMember": { "auth_ref": [ "r163", "r164", "r188", "r199" ], "lang": { "en": { "role": { "documentation": "This member stands for aggregated classes financial liabilities. It also represents the standard value for the 'Classes of financial liabilities' axis if no other member is used. [Refer: Financial liabilities]" } }, "en-us": { "role": { "label": "Financial liabilities, class [member]" } } }, "localname": "FinancialLiabilitiesMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_FixturesAndFittingsMember": { "auth_ref": [ "r210" ], "lang": { "en": { "role": { "documentation": "This member stands for a class of property, plant and equipment representing fixtures and fittings that are not permanently attached to real property. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Furnitures [Member]", "terseLabel": "Furnitures" } } }, "localname": "FixturesAndFittingsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPropertyAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ForeignCountriesMember": { "auth_ref": [ "r184", "r185" ], "lang": { "en": { "role": { "documentation": "This member stands for countries outside the entity's country of domicile. [Refer: Country of domicile [member]]" } }, "en-us": { "role": { "label": "FEDERAL" } } }, "localname": "ForeignCountriesMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesAccumulatedNonCapitalLossesForTaxPurposesDetails", "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails", "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesAndUnusedTaxLossesForWhichCompanyHasNotRecognizedDeferredTaxAssetsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives": { "auth_ref": [ "r272" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The gains (losses) resulting from change in the fair value of derivatives recognised in profit or loss. [Refer: Derivatives [member]]" } }, "en-us": { "role": { "label": "Gains (losses) on change in fair value of derivatives", "negatedLabel": "Gain on change in fair value of embedded derivatives(i), net of interest expense associated with debt host" } } }, "localname": "GainsLossesOnChangeInFairValueOfDerivatives", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityLossPerShareDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_GainsLossesOnDisposalsOfOtherNoncurrentAssets": { "auth_ref": [ "r31" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails": { "order": 9.0, "parentTag": "ifrs-full_GeneralAndAdministrativeExpense", "weight": -1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The gains (losses) on disposals of other non-current assets. [Refer: Other non-current assets]" } }, "en-us": { "role": { "label": "Gains (losses) on disposals of other non-current assets", "negatedLabel": "Loss on asset disposal" } } }, "localname": "GainsLossesOnDisposalsOfOtherNoncurrentAssets", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss": { "auth_ref": [ "r6", "r57" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureNetFinancialCostsIncomeDetails": { "order": 1.0, "parentTag": "ifrs-full_FinanceIncomeCost", "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 loss (gain)" } } }, "localname": "GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureNetFinancialCostsIncomeDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_GainsLossesOnLitigationSettlements": { "auth_ref": [ "r30" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The gains (losses) on settlements of litigation." } }, "en-us": { "role": { "label": "Gains (losses) on litigation settlements", "terseLabel": "Amount of settlement of litigation" } } }, "localname": "GainsLossesOnLitigationSettlements", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_GeneralAndAdministrativeExpense": { "auth_ref": [ "r268" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLosss": { "order": 3.0, "parentTag": "ifrs-full_ProfitLossFromOperatingActivities", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of expense relating to general and administrative activities of the entity." } }, "en-us": { "role": { "label": "General and administrative expense", "terseLabel": "General and administrative expenses", "totalLabel": "General and administrative expenses" } } }, "localname": "GeneralAndAdministrativeExpense", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "ifrs-full_GeographicalAreasAxis": { "auth_ref": [ "r186", "r211", "r231", "r246" ], "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]" } } }, "localname": "GeographicalAreasAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesAccumulatedNonCapitalLossesForTaxPurposesDetails", "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails", "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesAndUnusedTaxLossesForWhichCompanyHasNotRecognizedDeferredTaxAssetsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_GeographicalAreasMember": { "auth_ref": [ "r186", "r211", "r231", "r246" ], "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]" } } }, "localname": "GeographicalAreasMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesAccumulatedNonCapitalLossesForTaxPurposesDetails", "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails", "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesAndUnusedTaxLossesForWhichCompanyHasNotRecognizedDeferredTaxAssetsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_GrossCarryingAmountMember": { "auth_ref": [ "r44", "r75", "r81", "r84", "r144", "r157", "r159", "r233", "r301", "r302" ], "lang": { "en": { "role": { "documentation": "This member stands for the amount at which an asset is recognised before deducting any accumulated depreciation (amortisation) and accumulated impairment losses thereon. [Refer: Depreciation and amortisation expense; Impairment loss]" } }, "en-us": { "role": { "label": "COST [Member]", "terseLabel": "COST" } } }, "localname": "GrossCarryingAmountMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIntangibleAssetsDetails", "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_GrossLeaseLiabilities": { "auth_ref": [ "r127", "r236" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of contractual undiscounted cash flows in relation to lease liabilities before deducting finance charges. [Refer: Lease liabilities]" } }, "en-us": { "role": { "label": "Gross lease liabilities", "terseLabel": "Lease liabilities, contractual cash flows" } } }, "localname": "GrossLeaseLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementLiquidityRiskDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_HistoricalVolatilityForSharesMeasurementInputMember": { "auth_ref": [ "r227" ], "lang": { "en": { "role": { "documentation": "This member stands for the historical volatility for shares used as a measurement input." } }, "en-us": { "role": { "label": "Historical volatility for shares, measurement input [Member]", "terseLabel": "Expected volatility" } } }, "localname": "HistoricalVolatilityForSharesMeasurementInputMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesSensitivityAnalysisDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_IncomeStatementAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "CONSOLIDATED STATEMENTS OF LOSS AND COMPREHENSIVE LOSS" } } }, "localname": "IncomeStatementAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_IncomeTaxExpenseContinuingOperations": { "auth_ref": [ "r28", "r34", "r37", "r38", "r66", "r105", "r177" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLosss": { "order": 2.0, "parentTag": "ifrs-full_ProfitLoss", "weight": -1.0 } }, "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)", "totalLabel": "Income tax", "verboseLabel": "Income tax" } } }, "localname": "IncomeTaxExpenseContinuingOperations", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome": { "auth_ref": [ "r29", "r36" ], "lang": { "en": { "role": { "documentation": "The amount of income tax relating to amounts recognised in other comprehensive income. [Refer: Other comprehensive income]" } }, "en-us": { "role": { "label": "Income tax relating to components of other comprehensive income", "terseLabel": "Recognized in other comprehensive income" } } }, "localname": "IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesForWhichCompanyHasRecognizedDeferredTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncomeTaxesRefundClassifiedAsOperatingActivities": { "auth_ref": [ "r292" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The cash inflow from income taxes refunded, classified as operating activities." } }, "en-us": { "role": { "label": "Income taxes refund, classified as operating activities", "terseLabel": "Income tax received" } } }, "localname": "IncomeTaxesRefundClassifiedAsOperatingActivities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents": { "auth_ref": [ "r90" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "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 after effect of exchange rate changes", "totalLabel": "Net change in cash and cash equivalents" } } }, "localname": "IncreaseDecreaseInCashAndCashEquivalents", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputLiabilities": { "auth_ref": [ "r113" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of increase (decrease) in the fair value measurement of liabilities due to a reasonably possible decrease in an unobservable input." } }, "en-us": { "role": { "label": "Increase (decrease) in fair value measurement due to reasonably possible decrease in unobservable input, liabilities", "terseLabel": "Increase (decrease) in liability due to decrease in possible change" } } }, "localname": "IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesSensitivityAnalysisDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputLiabilities": { "auth_ref": [ "r113" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of increase (decrease) in the fair value measurement of liabilities due to a reasonably possible increase in an unobservable input." } }, "en-us": { "role": { "label": "Increase (decrease) in fair value measurement due to reasonably possible increase in unobservable input, liabilities", "verboseLabel": "Increase (decrease) in liability due to increase in possible change" } } }, "localname": "IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesSensitivityAnalysisDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseInWorkingCapital": { "auth_ref": [ "r290" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 10.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in working capital." } }, "en-us": { "role": { "label": "Increase (decrease) in working capital", "negatedLabel": "Net change in working capital", "negatedTotalLabel": "Total net change in working capital" } } }, "localname": "IncreaseDecreaseInWorkingCapital", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseThroughConversionOfConvertibleInstruments": { "auth_ref": [ "r266" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in equity resulting from the conversion of convertible instruments." } }, "en-us": { "role": { "label": "Increase (decrease) through conversion of convertible instruments, equity", "terseLabel": "Conversion of 2020 Convertible Note" } } }, "localname": "IncreaseDecreaseThroughConversionOfConvertibleInstruments", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseThroughExerciseOfOptions": { "auth_ref": [ "r266" ], "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", "terseLabel": "Options exercised" } } }, "localname": "IncreaseDecreaseThroughExerciseOfOptions", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity": { "auth_ref": [ "r266" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in equity resulting from the exercise of warrants." } }, "en-us": { "role": { "label": "Increase (decrease) through exercise of warrants, equity", "terseLabel": "Warrants exercised" } } }, "localname": "IncreaseDecreaseThroughExerciseOfWarrantsEquity", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions": { "auth_ref": [ "r3" ], "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 compensation" } } }, "localname": "IncreaseDecreaseThroughSharebasedPaymentTransactions", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment": { "auth_ref": [ "r275" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in property, plant and equipment resulting from transfers. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Increase (decrease) through transfers, property, plant and equipment", "terseLabel": "Transfers" } } }, "localname": "IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IntangibleAssetsOtherThanGoodwill": { "auth_ref": [ "r8", "r77" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 4.0, "parentTag": "ifrs-full_NoncurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of identifiable non-monetary assets without physical substance. This amount does not include goodwill. [Refer: Goodwill]" } }, "en-us": { "role": { "label": "Intangible assets other than goodwill", "periodEndLabel": "Balance as at ending of year", "periodStartLabel": "Balance as at beginning of year", "terseLabel": "Intangible assets" } } }, "localname": "IntangibleAssetsOtherThanGoodwill", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIntangibleAssetsDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IntangibleAssetsOtherThanGoodwillMember": { "auth_ref": [ "r78", "r215", "r232" ], "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]" } } }, "localname": "IntangibleAssetsOtherThanGoodwillMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIntangibleAssetsDetails", "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_InterestExpenseOnBorrowings": { "auth_ref": [ "r268" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureNetFinancialCostsIncomeDetails": { "order": 4.0, "parentTag": "ifrs-full_FinanceIncomeCost", "weight": -1.0 } }, "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", "verboseLabel": "Interest on borrowings and notes" } } }, "localname": "InterestExpenseOnBorrowings", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureNetFinancialCostsIncomeDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_InterestExpenseOnLeaseLiabilities": { "auth_ref": [ "r121" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureNetFinancialCostsIncomeDetails": { "order": 6.0, "parentTag": "ifrs-full_FinanceIncomeCost", "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" } } }, "localname": "InterestExpenseOnLeaseLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureNetFinancialCostsIncomeDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_InterestPaidClassifiedAsFinancingActivities": { "auth_ref": [ "r89" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The cash outflow for interest paid, classified as financing activities." } }, "en-us": { "role": { "label": "Interest paid, classified as financing activities", "terseLabel": "Amount of interest paid" } } }, "localname": "InterestPaidClassifiedAsFinancingActivities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_InterestPayable": { "auth_ref": [ "r268" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of interest recognised as a liability." } }, "en-us": { "role": { "label": "Interest payable", "terseLabel": "Accrued interest" } } }, "localname": "InterestPayable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_InterestRateRiskMember": { "auth_ref": [ "r173", "r192", "r193", "r194", "r195" ], "lang": { "en": { "role": { "documentation": "This member stands for the type of risk that the fair value or future cash flows of a financial instrument will fluctuate because of changes in market interest rates. [Refer: Financial instruments, class [member]]" } }, "en-us": { "role": { "label": "Interest rate risk" } } }, "localname": "InterestRateRiskMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementInterestRateRiskDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_InterestRateTypesMember": { "auth_ref": [ "r297" ], "lang": { "en": { "role": { "documentation": "This member stands for all types of interest rates. It also represents the standard value for the 'Types of interest rates' axis if no other member is used. [Refer: Interest rate risk [member]]" } }, "en-us": { "role": { "label": "Interest rate types [member]", "terseLabel": "Interest rate types [member]" } } }, "localname": "InterestRateTypesMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementInterestRateRiskDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_InvestmentPropertyMember": { "auth_ref": [ "r226", "r229", "r268" ], "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.nouveaumonde.com/role/DisclosureInvestmentsListedSharesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_IssueOfEquity": { "auth_ref": [ "r3" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The increase in equity through the issue of equity instruments." } }, "en-us": { "role": { "label": "Issue of equity", "terseLabel": "Shares issued from placements" } } }, "localname": "IssueOfEquity", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IssuedCapital": { "auth_ref": [ "r207" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 1.0, "parentTag": "ifrs-full_Equity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The nominal value of capital issued." } }, "en-us": { "role": { "label": "Issued capital", "terseLabel": "Share capital" } } }, "localname": "IssuedCapital", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IssuedCapitalMember": { "auth_ref": [ "r4" ], "lang": { "en": { "role": { "documentation": "This member stands for a component of equity representing issued capital." } }, "en-us": { "role": { "label": "Share capital" } } }, "localname": "IssuedCapitalMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "domainItemType" }, "ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment": { "auth_ref": [ "r59" ], "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": "Share-based payments" } } }, "localname": "KeyManagementPersonnelCompensationSharebasedPayment", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits": { "auth_ref": [ "r58" ], "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": "Employee benefit expenses" } } }, "localname": "KeyManagementPersonnelCompensationShorttermEmployeeBenefits", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_LandMember": { "auth_ref": [ "r209" ], "lang": { "en": { "role": { "documentation": "This member stands for a class of property, plant and equipment representing land held by the entity for use in operations. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Land [Member]", "terseLabel": "Land" } } }, "localname": "LandMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember": { "auth_ref": [ "r128", "r129", "r197", "r235", "r239", "r268" ], "lang": { "en": { "role": { "documentation": "This member stands for a time band of later than four years and not later than five years." } }, "en-us": { "role": { "label": "Year 2027" } } }, "localname": "LaterThanFourYearsAndNotLaterThanFiveYearsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember": { "auth_ref": [ "r128", "r129", "r197", "r235", "r239", "r268" ], "lang": { "en": { "role": { "documentation": "This member stands for a time band of later than one year and not later than two years." } }, "en-us": { "role": { "label": "Year 2024" } } }, "localname": "LaterThanOneYearAndNotLaterThanTwoYearsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementLiquidityRiskDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LaterThanOneYearMember": { "auth_ref": [ "r15", "r249", "r251" ], "lang": { "en": { "role": { "documentation": "This member stands for a time band of later than one year." } }, "en-us": { "role": { "label": "Year 2023" } } }, "localname": "LaterThanOneYearMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember": { "auth_ref": [ "r128", "r129", "r197", "r235", "r239", "r268" ], "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": "Year 2026" } } }, "localname": "LaterThanThreeYearsAndNotLaterThanFourYearsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember": { "auth_ref": [ "r128", "r129", "r197", "r235", "r239", "r268" ], "lang": { "en": { "role": { "documentation": "This member stands for a time band of later than two years and not later than three years." } }, "en-us": { "role": { "label": "Year 2025" } } }, "localname": "LaterThanTwoYearsAndNotLaterThanThreeYearsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LeaseLiabilities": { "auth_ref": [ "r119" ], "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": "Ending balance", "periodStartLabel": "Opening balance", "verboseLabel": "Lease liabilities" } } }, "localname": "LeaseLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementLiquidityRiskDetails", "http://www.nouveaumonde.com/role/DisclosureLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_LeaseLiabilitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "LEASE LIABILITIES" } } }, "localname": "LeaseLiabilitiesAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_Level1OfFairValueHierarchyMember": { "auth_ref": [ "r54", "r108" ], "lang": { "en": { "role": { "documentation": "This member stands for a category of the fair value hierarchy where inputs to the valuation techniques are quoted prices (unadjusted) in active markets for identical assets or liabilities that the entity can access at the measurement date." } }, "en-us": { "role": { "label": "Level 1 of fair value hierarchy [member]", "terseLabel": "Level 1" } } }, "localname": "Level1OfFairValueHierarchyMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_Level2OfFairValueHierarchyMember": { "auth_ref": [ "r108" ], "lang": { "en": { "role": { "documentation": "This member stands for a category of the fair value hierarchy where inputs to the valuation techniques are inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly." } }, "en-us": { "role": { "label": "Level 2 of fair value hierarchy [member]", "terseLabel": "Level 2" } } }, "localname": "Level2OfFairValueHierarchyMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_Level3OfFairValueHierarchyMember": { "auth_ref": [ "r108" ], "lang": { "en": { "role": { "documentation": "This member stands for a category of the fair value hierarchy where inputs to the valuation techniques are unobservable inputs for the asset or liability. Unobservable inputs are inputs for which market data are not available and that are developed using the best information available about the assumptions that the market participants would use when pricing the asset or liability." } }, "en-us": { "role": { "label": "Level 3 of fair value hierarchy [member]", "terseLabel": "Level 3" } } }, "localname": "Level3OfFairValueHierarchyMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LevelsOfFairValueHierarchyAxis": { "auth_ref": [ "r54", "r108" ], "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": "Levels of fair value hierarchy [axis]", "terseLabel": "Levels of fair value hierarchy [axis]" } } }, "localname": "LevelsOfFairValueHierarchyAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_Liabilities": { "auth_ref": [ "r13", "r107", "r108", "r112", "r178", "r181" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 1.0, "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.nouveaumonde.com/role/DisclosureAdditionalSegmentInformationDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "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.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "stringItemType" }, "ifrs-full_LicencesMember": { "auth_ref": [ "r283" ], "lang": { "en": { "role": { "documentation": "This member stands for a class of intangible assets representing the right to use certain intangible assets owned by another entity. [Refer: Intangible assets other than goodwill]" } }, "en-us": { "role": { "label": "Licenses [Member]", "terseLabel": "Licenses" } } }, "localname": "LicencesMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIntangibleAssetsDetails", "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LineItemsByFunctionMember": { "auth_ref": [ "r265", "r268" ], "lang": { "en": { "role": { "documentation": "This member stands for the standard value of the \u2018Attribution of expenses by nature to their function' axis if no other member is used." } }, "en-us": { "role": { "label": "Line items by function [member]" } } }, "localname": "LineItemsByFunctionMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LoansReceived": { "auth_ref": [ "r268" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of loans received." } }, "en-us": { "role": { "label": "Loans received", "terseLabel": "Amount received as part of repayable contribution agreement" } } }, "localname": "LoansReceived", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_LongtermBorrowings": { "auth_ref": [ "r269" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 2.0, "parentTag": "ifrs-full_NoncurrentLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The non-current portion of non-current borrowings. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Non-current portion of non-current borrowings", "terseLabel": "Borrowings", "verboseLabel": "Non-current portion" } } }, "localname": "LongtermBorrowings", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_LongtermBorrowingsMember": { "auth_ref": [ "r222", "r224" ], "lang": { "en": { "role": { "documentation": "This member stands for long-term borrowings. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Borrowings." } } }, "localname": "LongtermBorrowingsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "INCOME TAXES" } } }, "localname": "MajorComponentsOfTaxExpenseIncomeAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities": { "auth_ref": [ "r161" ], "lang": { "en": { "role": { "documentation": "The disclosure of a maturity analysis for non-derivative financial liabilities (including issued financial guarantee contracts) that shows the remaining contractual maturities. [Refer: Derivative financial liabilities]" } }, "en-us": { "role": { "label": "Disclosure of maturity analysis for non-derivative financial liabilities [text block]", "terseLabel": "Schedule of liquidity risk" } } }, "localname": "MaturityAnalysisForNonderivativeFinancialLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_MaturityAxis": { "auth_ref": [ "r16", "r118", "r128", "r129", "r150", "r162", "r189", "r190", "r191", "r197", "r213", "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": "Maturity [axis]" } } }, "localname": "MaturityAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementLiquidityRiskDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_MiningAssetsMember": { "auth_ref": [ "r273" ], "lang": { "en": { "role": { "documentation": "This member stands for mining assets. [Refer: Mining assets]" } }, "en-us": { "role": { "label": "Equipment [Member]", "terseLabel": "Equipment" } } }, "localname": "MiningAssetsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsDetails", "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPropertyAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_NoncurrentAssets": { "auth_ref": [ "r17", "r99", "r225" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 2.0, "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", "totalLabel": "Total non-current assets" } } }, "localname": "NoncurrentAssets", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncurrentAssetsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Non-current assets [abstract]", "terseLabel": "NON-CURRENT" } } }, "localname": "NoncurrentAssetsAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "stringItemType" }, "ifrs-full_NoncurrentInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod": { "auth_ref": [ "r269" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 2.0, "parentTag": "ifrs-full_NoncurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of non-current investments other than investments accounted for using the equity method. [Refer: Investments accounted for using equity method; Non-current assets; Investments other than investments accounted for using equity method]" } }, "en-us": { "role": { "label": "Non-current investments other than investments accounted for using equity method", "terseLabel": "Investment - Listed shares" } } }, "localname": "NoncurrentInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncurrentLeaseLiabilities": { "auth_ref": [ "r119" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 3.0, "parentTag": "ifrs-full_NoncurrentLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of non-current lease liabilities. [Refer: Lease liabilities]" } }, "en-us": { "role": { "label": "Non-current lease liabilities", "terseLabel": "Lease liabilities", "verboseLabel": "Non-current portion" } } }, "localname": "NoncurrentLeaseLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureLeaseLiabilitiesDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncurrentLiabilities": { "auth_ref": [ "r18", "r101", "r225" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 2.0, "parentTag": "ifrs-full_Liabilities", "weight": 1.0 } }, "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", "totalLabel": "Total non-current liabilities" } } }, "localname": "NoncurrentLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncurrentLiabilitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Non-current liabilities [abstract]", "terseLabel": "NON-CURRENT" } } }, "localname": "NoncurrentLiabilitiesAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "stringItemType" }, "ifrs-full_NoncurrentPortionOfNoncurrentNotesAndDebenturesIssued": { "auth_ref": [ "r268" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 4.0, "parentTag": "ifrs-full_NoncurrentLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The non-current portion of non-current notes and debentures issued. [Refer: Notes and debentures issued]" } }, "en-us": { "role": { "label": "Non-current portion of non-current notes and debentures issued", "periodEndLabel": "Ending balance", "periodStartLabel": "Opening balance", "terseLabel": "Convertible notes", "verboseLabel": "Ending balance" } } }, "localname": "NoncurrentPortionOfNoncurrentNotesAndDebenturesIssued", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotes2020ConvertibleNoteWithPallinghurstDetails", "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementLiquidityRiskDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncurrentRestrictedCashAndCashEquivalents": { "auth_ref": [ "r269" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 6.0, "parentTag": "ifrs-full_NoncurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of non-current restricted cash and cash equivalents. [Refer: Restricted cash and cash equivalents]" } }, "en-us": { "role": { "label": "Non-current restricted cash and cash equivalents", "terseLabel": "Restricted cash and deposits" } } }, "localname": "NoncurrentRestrictedCashAndCashEquivalents", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NotLaterThanOneYearMember": { "auth_ref": [ "r14", "r128", "r129", "r197", "r235", "r239" ], "lang": { "en": { "role": { "documentation": "This member stands for a time band of not later than one year." } }, "en-us": { "role": { "label": "0 to 12 months" } } }, "localname": "NotLaterThanOneYearMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementLiquidityRiskDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_NotesAndDebenturesIssued": { "auth_ref": [ "r268" ], "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": "Notes issued" } } }, "localname": "NotesAndDebenturesIssued", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureNatureOfOperationsAndGoingConcernDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NotionalAmount": { "auth_ref": [ "r268" ], "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": "Amount of promissory note" } } }, "localname": "NotionalAmount", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NumberOfOutstandingShareOptions": { "auth_ref": [ "r130", "r135", "r139" ], "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": "Ending balance", "periodStartLabel": "Opening balance" } } }, "localname": "NumberOfOutstandingShareOptions", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "decimalItemType" }, "ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement": { "auth_ref": [ "r136" ], "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", "terseLabel": "Options that can be exercised" } } }, "localname": "NumberOfShareOptionsExercisableInSharebasedPaymentArrangement", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "decimalItemType" }, "ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement": { "auth_ref": [ "r133" ], "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": "Exercised" } } }, "localname": "NumberOfShareOptionsExercisedInSharebasedPaymentArrangement", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "decimalItemType" }, "ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement": { "auth_ref": [ "r134" ], "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": "Expired" } } }, "localname": "NumberOfShareOptionsExpiredInSharebasedPaymentArrangement", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "decimalItemType" }, "ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement": { "auth_ref": [ "r132" ], "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": "Forfeited" } } }, "localname": "NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "decimalItemType" }, "ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement": { "auth_ref": [ "r131" ], "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": "Granted" } } }, "localname": "NumberOfShareOptionsGrantedInSharebasedPaymentArrangement", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "decimalItemType" }, "ifrs-full_NumberOfSharesOutstanding": { "auth_ref": [ "r23" ], "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": "Shares issued at the end of period", "periodStartLabel": "Shares issued at the start of the period" } } }, "localname": "NumberOfSharesOutstanding", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "sharesItemType" }, "ifrs-full_OperatingExpense": { "auth_ref": [ "r272" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLosss": { "order": 2.0, "parentTag": "ifrs-full_ProfitLossFromOperatingActivities", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of all operating expenses." } }, "en-us": { "role": { "label": "Operating expense", "terseLabel": "Battery Material Plant project expenses", "totalLabel": "Battery Material Plant project expenses" } } }, "localname": "OperatingExpense", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherCurrentPayables": { "auth_ref": [ "r269" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureAccountsPayablesAndAccruedLiabilitiess": { "order": 3.0, "parentTag": "ifrs-full_TradeAndOtherCurrentPayables", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of current payables that the entity does not separately disclose in the same statement or note." } }, "en-us": { "role": { "label": "Other current payables", "terseLabel": "Other payables" } } }, "localname": "OtherCurrentPayables", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAccountsPayablesAndAccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherExpenseByFunction": { "auth_ref": [ "r32", "r65", "r204" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails": { "order": 9.0, "parentTag": "ifrs-full_OperatingExpense", "weight": 1.0 }, "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails": { "order": 11.0, "parentTag": "ifrs-full_ExpenseArisingFromExplorationForAndEvaluationOfMineralResources", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of expenses that the entity does not separately disclose in the same statement or note when the entity uses the 'function of expense' form for its analysis of expenses." } }, "en-us": { "role": { "label": "Other expense, by function", "terseLabel": "Other" } } }, "localname": "OtherExpenseByFunction", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherFinanceCost": { "auth_ref": [ "r268" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails": { "order": 10.0, "parentTag": "ifrs-full_GeneralAndAdministrativeExpense", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of finance costs that the entity does not separately disclose in the same statement or note. [Refer: Finance costs]" } }, "en-us": { "role": { "label": "Other finance cost", "terseLabel": "Other financial fees" } } }, "localname": "OtherFinanceCost", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherReserves": { "auth_ref": [ "r207" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 2.0, "parentTag": "ifrs-full_Equity", "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": "Other reserves" } } }, "localname": "OtherReserves", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherRevenue": { "auth_ref": [ "r268" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLosss": { "order": 4.0, "parentTag": "ifrs-full_ProfitLossFromOperatingActivities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of revenue arising from sources that the entity does not separately disclose in the same statement or note. [Refer: Revenue]" } }, "en-us": { "role": { "label": "Other revenue", "negatedLabel": "Other income" } } }, "localname": "OtherRevenue", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome": { "auth_ref": [ "r37" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails": { "order": 1.0, "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": "Other" } } }, "localname": "OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OutstandingCommitmentsMadeByEntityRelatedPartyTransactions": { "auth_ref": [ "r60" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of outstanding commitments made by the entity in related party transactions. [Refer: Related parties [member]]" } }, "en-us": { "role": { "label": "Outstanding commitments made by entity, related party transactions", "terseLabel": "Minimum commitments under the contracts" } } }, "localname": "OutstandingCommitmentsMadeByEntityRelatedPartyTransactions", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ParValuePerShare": { "auth_ref": [ "r22" ], "lang": { "en": { "role": { "documentation": "The nominal value per share." } }, "en-us": { "role": { "label": "Par value per share", "terseLabel": "Par value" } } }, "localname": "ParValuePerShare", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails" ], "xbrltype": "perShareItemType" }, "ifrs-full_PaymentsForDebtIssueCosts": { "auth_ref": [ "r288" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The cash outflow for debt issue costs." } }, "en-us": { "role": { "label": "Payments for debt issue costs", "negatedLabel": "Issue costs" } } }, "localname": "PaymentsForDebtIssueCosts", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PaymentsForShareIssueCosts": { "auth_ref": [ "r288" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 7.0, "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The cash outflow for share issue costs." } }, "en-us": { "role": { "label": "Payments for share issue costs", "negatedLabel": "Share issue costs" } } }, "localname": "PaymentsForShareIssueCosts", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities": { "auth_ref": [ "r221" ], "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": "Principal repayment" } } }, "localname": "PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputLiabilities": { "auth_ref": [ "r295" ], "lang": { "en": { "role": { "documentation": "The percentage of a reasonably possible decrease in an unobservable input used in fair value measurement of liabilities." } }, "en-us": { "role": { "label": "Percentage of reasonably possible decrease in unobservable input, liabilities", "terseLabel": "Percentage of possible change, decrease" } } }, "localname": "PercentageOfReasonablyPossibleDecreaseInUnobservableInputLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesSensitivityAnalysisDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputLiabilities": { "auth_ref": [ "r295" ], "lang": { "en": { "role": { "documentation": "The percentage of a reasonably possible increase in an unobservable input used in fair value measurement of liabilities." } }, "en-us": { "role": { "label": "Percentage of reasonably possible increase in unobservable input, liabilities", "terseLabel": "Percentage of possible change, increase" } } }, "localname": "PercentageOfReasonablyPossibleIncreaseInUnobservableInputLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesSensitivityAnalysisDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities": { "auth_ref": [ "r219" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The cash inflow from borrowings obtained. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Proceeds from borrowings, classified as financing activities", "terseLabel": "Proceeds" } } }, "localname": "ProceedsFromBorrowingsClassifiedAsFinancingActivities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProceedsFromExerciseOfOptions": { "auth_ref": [ "r288" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 6.0, "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The cash inflow from the exercise of options." } }, "en-us": { "role": { "label": "Proceeds from exercise of options", "terseLabel": "Proceeds from the exercise of stock options" } } }, "localname": "ProceedsFromExerciseOfOptions", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProceedsFromExerciseOfWarrants": { "auth_ref": [ "r288" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 5.0, "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities", "weight": 1.0 } }, "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 the exercise of warrants" } } }, "localname": "ProceedsFromExerciseOfWarrants", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProceedsFromGovernmentGrantsClassifiedAsFinancingActivities": { "auth_ref": [ "r277" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The cash inflow from government grants, classified as financing activities. [Refer: Government [member]; Government grants]" } }, "en-us": { "role": { "label": "Proceeds from government grants, classified as financing activities", "terseLabel": "Amount of payments received" } } }, "localname": "ProceedsFromGovernmentGrantsClassifiedAsFinancingActivities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGrantsReceivableAndOtherCurrentAssetsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProceedsFromGovernmentGrantsClassifiedAsInvestingActivities": { "auth_ref": [ "r277" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The cash inflow from government grants, classified as investing activities. [Refer: Government [member]; Government grants]" } }, "en-us": { "role": { "label": "Proceeds from government grants, classified as investing activities", "terseLabel": "Grants received" } } }, "localname": "ProceedsFromGovernmentGrantsClassifiedAsInvestingActivities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProceedsFromIssueOfBondsNotesAndDebentures": { "auth_ref": [ "r288" ], "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", "terseLabel": "Aggregate gross proceeds" } } }, "localname": "ProceedsFromIssueOfBondsNotesAndDebentures", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails", "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProceedsFromIssuingShares": { "auth_ref": [ "r218" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 1.0, "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", "terseLabel": "Proceeds from offering", "verboseLabel": "Net proceeds" } } }, "localname": "ProceedsFromIssuingShares", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProfessionalFeesExpense": { "auth_ref": [ "r268" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails": { "order": 4.0, "parentTag": "ifrs-full_OperatingExpense", "weight": 1.0 }, "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails": { "order": 4.0, "parentTag": "ifrs-full_ExpenseArisingFromExplorationForAndEvaluationOfMineralResources", "weight": 1.0 }, "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails": { "order": 3.0, "parentTag": "ifrs-full_GeneralAndAdministrativeExpense", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of fees paid or payable for professional services." } }, "en-us": { "role": { "label": "Professional fees expense", "terseLabel": "Professional fees" } } }, "localname": "ProfessionalFeesExpense", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProfitLoss": { "auth_ref": [ "r2", "r26", "r86", "r94", "r96", "r178", "r179", "r225", "r245", "r248" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": 1.0 }, "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLosss": { "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 and comprehensive loss", "terseLabel": "Net loss and comprehensive loss", "verboseLabel": "Net loss" } } }, "localname": "ProfitLoss", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityLossPerShareDetails", "http://www.nouveaumonde.com/role/DisclosureNatureOfOperationsAndGoingConcernDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects": { "auth_ref": [ "r69" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The profit (loss) attributable to ordinary equity holders of the parent entity, adjusted for the effects of all dilutive potential ordinary shares. [Refer: Profit (loss)]" } }, "en-us": { "role": { "label": "Profit (loss), attributable to ordinary equity holders of parent entity, used in calculating diluted earnings per share", "terseLabel": "Loss attributable to the ordinary equity holders of the Company used in calculation of the diluted loss per share" } } }, "localname": "ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityLossPerShareDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProfitLossBeforeTax": { "auth_ref": [ "r145", "r203", "r204", "r241", "r242" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLosss": { "order": 1.0, "parentTag": "ifrs-full_ProfitLoss", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The profit (loss) before tax expense or income. [Refer: Profit (loss)]" } }, "en-us": { "role": { "label": "Profit (loss) before tax", "negatedTotalLabel": "Loss before tax" } } }, "localname": "ProfitLossBeforeTax", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProfitLossFromOperatingActivities": { "auth_ref": [ "r214", "r272" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLosss": { "order": 1.0, "parentTag": "ifrs-full_ProfitLossBeforeTax", "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", "negatedTotalLabel": "Operating loss" } } }, "localname": "ProfitLossFromOperatingActivities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PropertyDevelopmentAndProjectManagementExpense": { "auth_ref": [ "r272" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails": { "order": 9.0, "parentTag": "ifrs-full_ExpenseArisingFromExplorationForAndEvaluationOfMineralResources", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of expense arising from property development and project management." } }, "en-us": { "role": { "label": "Property development and project management expense", "terseLabel": "Uatnan mining project" } } }, "localname": "PropertyDevelopmentAndProjectManagementExpense", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PropertyPlantAndEquipment": { "auth_ref": [ "r7", "r49" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 3.0, "parentTag": "ifrs-full_NoncurrentAssets", "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 as at ending of year", "periodStartLabel": "Balance as at beginning of year", "terseLabel": "Property, plant and equipment", "verboseLabel": "Total property, plant and equipment" } } }, "localname": "PropertyPlantAndEquipment", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalSegmentInformationDetails", "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PropertyPlantAndEquipmentAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "PROPERTY, PLANT AND EQUIPMENT" } } }, "localname": "PropertyPlantAndEquipmentAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_PropertyPlantAndEquipmentMember": { "auth_ref": [ "r50", "r215", "r232" ], "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" } } }, "localname": "PropertyPlantAndEquipmentMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPropertyAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities": { "auth_ref": [ "r217" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The cash outflow for the purchases of intangible assets, classified as investing activities. [Refer: Intangible assets other than goodwill]" } }, "en-us": { "role": { "label": "Purchase of intangible assets, classified as investing activities", "terseLabel": "Payments for the use of patents" } } }, "localname": "PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIntangibleAssetsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities": { "auth_ref": [ "r217" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 1.0, "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": "Additions to property, plant, and equipment" } } }, "localname": "PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_RangeAxis": { "auth_ref": [ "r116", "r139", "r191", "r228", "r230", "r298" ], "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.nouveaumonde.com/role/DisclosureConvertibleNotesDetails", "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsDetails", "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesIntangibleAssetsDetails", "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPropertyAndEquipmentDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_RangesMember": { "auth_ref": [ "r116", "r139", "r191", "r228", "r230", "r298" ], "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.nouveaumonde.com/role/DisclosureConvertibleNotesDetails", "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsDetails", "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesIntangibleAssetsDetails", "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPropertyAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_RawMaterialsAndConsumablesUsed": { "auth_ref": [ "r32", "r203" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails": { "order": 5.0, "parentTag": "ifrs-full_OperatingExpense", "weight": 1.0 }, "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails": { "order": 5.0, "parentTag": "ifrs-full_ExpenseArisingFromExplorationForAndEvaluationOfMineralResources", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of raw materials and consumables used in the production process or in the rendering of services. [Refer: Current raw materials]" } }, "en-us": { "role": { "label": "Raw materials and consumables used", "terseLabel": "Materials, consumables, and supplies" } } }, "localname": "RawMaterialsAndConsumablesUsed", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Reconciliation of changes in intangible assets other than goodwill [abstract]", "terseLabel": "Reconciliation of intangible assets" } } }, "localname": "ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIntangibleAssetsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ReconciliationOfNumberOfSharesOutstandingAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Reconciliation of number of shares outstanding [abstract]", "terseLabel": "Shares issued" } } }, "localname": "ReconciliationOfNumberOfSharesOutstandingAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_RelatedPartyTransactionsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "RELATED PARTY TRANSACTIONS" } } }, "localname": "RelatedPartyTransactionsAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities": { "auth_ref": [ "r220" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The cash outflow to settle borrowings, classified as financing activities. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Repayments of borrowings, classified as financing activities", "negatedLabel": "Repayments" } } }, "localname": "RepaymentsOfBorrowingsClassifiedAsFinancingActivities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ReserveOfEquityComponentOfConvertibleInstrumentsMember": { "auth_ref": [ "r267" ], "lang": { "en": { "role": { "documentation": "This member stands for a component of equity representing components of convertible instruments classified as equity." } }, "en-us": { "role": { "label": "Other reserves." } } }, "localname": "ReserveOfEquityComponentOfConvertibleInstrumentsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "domainItemType" }, "ifrs-full_RetainedEarnings": { "auth_ref": [ "r207", "r208" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 4.0, "parentTag": "ifrs-full_Equity", "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": "Deficit", "verboseLabel": "Accumulated deficit" } } }, "localname": "RetainedEarnings", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureNatureOfOperationsAndGoingConcernDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_RetainedEarningsMember": { "auth_ref": [ "r4", "r205" ], "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": "Deficit" } } }, "localname": "RetainedEarningsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "domainItemType" }, "ifrs-full_RetirementsIntangibleAssetsOtherThanGoodwill": { "auth_ref": [ "r282" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The decrease in intangible assets other than goodwill resulting from retirements. [Refer: Intangible assets other than goodwill]" } }, "en-us": { "role": { "label": "Retirements, intangible assets other than goodwill", "negatedLabel": "Write-off of assets" } } }, "localname": "RetirementsIntangibleAssetsOtherThanGoodwill", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIntangibleAssetsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_RevenueFromGovernmentGrants": { "auth_ref": [ "r278" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails": { "order": 10.0, "parentTag": "ifrs-full_OperatingExpense", "weight": -1.0 }, "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails": { "order": 12.0, "parentTag": "ifrs-full_ExpenseArisingFromExplorationForAndEvaluationOfMineralResources", "weight": -1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of income recognised in relation to government grants. [Refer: Government grants]" } }, "en-us": { "role": { "label": "Income from government grants", "negatedLabel": "Grants", "terseLabel": "Government grants secured" } } }, "localname": "RevenueFromGovernmentGrants", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureGrantsReceivableAndOtherCurrentAssetsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_RevenueFromInterest": { "auth_ref": [ "r104", "r175", "r182", "r268" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureNetFinancialCostsIncomeDetails": { "order": 2.0, "parentTag": "ifrs-full_FinanceIncomeCost", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of income arising from interest." } }, "en-us": { "role": { "label": "Interest income", "negatedLabel": "Interest income" } } }, "localname": "RevenueFromInterest", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureNetFinancialCostsIncomeDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_RevenueFromRoyalties": { "auth_ref": [ "r268" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLosss": { "order": 5.0, "parentTag": "ifrs-full_ProfitLossFromOperatingActivities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of income arising from royalties." } }, "en-us": { "role": { "label": "Royalty income" } } }, "localname": "RevenueFromRoyalties", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "monetaryItemType" }, "ifrs-full_RightofuseAssets": { "auth_ref": [ "r125" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 5.0, "parentTag": "ifrs-full_NoncurrentAssets", "weight": 1.0 } }, "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": "As at ending of year", "periodStartLabel": "As at beginning of year", "terseLabel": "Right-of-use assets" } } }, "localname": "RightofuseAssets", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic": { "auth_ref": [ "r172" ], "lang": { "en": { "role": { "documentation": "The amount of risk exposure associated with financial instruments with a shared characteristic that identifies a concentration of risks. [Refer: Financial instruments, class [member]]" } }, "en-us": { "role": { "label": "Risk exposure associated with instruments sharing characteristic", "terseLabel": "Net exposure" } } }, "localname": "RiskExposureAssociatedWithInstrumentsSharingCharacteristic", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementCurrencyRiskDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_SegmentConsolidationItemsAxis": { "auth_ref": [ "r178" ], "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": "Segment consolidation items [axis]" } } }, "localname": "SegmentConsolidationItemsAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalSegmentInformationDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_SegmentsAxis": { "auth_ref": [ "r73", "r117", "r178", "r212", "r247" ], "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": "Segments [axis]" } } }, "localname": "SegmentsAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalSegmentInformationDetails", "http://www.nouveaumonde.com/role/DisclosureGrantsReceivableAndOtherCurrentAssetsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_SegmentsMember": { "auth_ref": [ "r73", "r117", "r183", "r212", "r247" ], "lang": { "en": { "role": { "documentation": "This member stands for all segments of an entity. It also represents the standard value for the 'Segments' axis if no other member is used." } }, "en-us": { "role": { "label": "Segments [member]" } } }, "localname": "SegmentsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalSegmentInformationDetails", "http://www.nouveaumonde.com/role/DisclosureGrantsReceivableAndOtherCurrentAssetsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_SellingGeneralAndAdministrativeExpenseAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "GENERAL AND ADMINISTRATIVE EXPENSES" } } }, "localname": "SellingGeneralAndAdministrativeExpenseAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_SellingGeneralAndAdministrativeExpenseMember": { "auth_ref": [ "r265", "r268" ], "lang": { "en": { "role": { "documentation": "This member stands for the amount of expense relating to selling, general and administrative activities of the entity. This member is used to attribute an expense by nature to a functional line item in the statement of profit or loss." } }, "en-us": { "role": { "label": "General and administrative expenses." } } }, "localname": "SellingGeneralAndAdministrativeExpenseMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ShareIssueRelatedCost": { "auth_ref": [ "r266" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of cost related to the issuance of shares." } }, "en-us": { "role": { "label": "Share issue related cost", "negatedLabel": "Share issue costs" } } }, "localname": "ShareIssueRelatedCost", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents": { "auth_ref": [ "r293" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "A classification of cash equivalents representing short-term deposits. [Refer: Cash equivalents]" } }, "en-us": { "role": { "label": "Short-term deposits, classified as cash equivalents", "terseLabel": "Short-term deposits" } } }, "localname": "ShorttermDepositsClassifiedAsCashEquivalents", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureCashAndCashEquivalentsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_SignificantUnobservableInputLiabilities": { "auth_ref": [ "r110" ], "lang": { "en": { "role": { "documentation": "The value of significant unobservable input used in the measurement of the fair value of liabilities." } }, "en-us": { "role": { "label": "Significant unobservable input, liabilities", "terseLabel": "Unobservable inputs" } } }, "localname": "SignificantUnobservableInputLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesSensitivityAnalysisDetails" ], "xbrltype": "decimalItemType" }, "ifrs-full_StatementOfCashFlowsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "CONSOLIDATED STATEMENTS OF CASH FLOWS" } } }, "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": "CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY" } } }, "localname": "StatementOfChangesInEquityAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_StatementOfChangesInEquityLineItems": { "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": "Statement of changes in equity [line items]", "terseLabel": "CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY" } } }, "localname": "StatementOfChangesInEquityLineItems", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "stringItemType" }, "ifrs-full_StatementOfChangesInEquityTable": { "auth_ref": [ "r4" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to changes in equity." } }, "en-us": { "role": { "label": "Statement of changes in equity [table]" } } }, "localname": "StatementOfChangesInEquityTable", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "stringItemType" }, "ifrs-full_StatementOfFinancialPositionAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "CONSOLIDATED STATEMENTS OF FINANCIAL POSITION" } } }, "localname": "StatementOfFinancialPositionAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss": { "auth_ref": [ "r37" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails": { "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 relates to expenses not deductible in determining taxable profit (tax loss). [Refer: Accounting profit]" } }, "en-us": { "role": { "label": "Tax effect of expense not deductible in determining taxable profit (tax loss)", "terseLabel": "Temporary difference not recorded" } } }, "localname": "TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TaxExpenseIncomeAtApplicableTaxRate": { "auth_ref": [ "r37" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails": { "order": 7.0, "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": "Tax expense at combined statutory rate" } } }, "localname": "TaxExpenseIncomeAtApplicableTaxRate", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis": { "auth_ref": [ "r41" ], "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]" } } }, "localname": "TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesAndUnusedTaxLossesForWhichCompanyHasNotRecognizedDeferredTaxAssetsDetails", "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesForWhichCompanyHasRecognizedDeferredTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember": { "auth_ref": [ "r41" ], "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]" } } }, "localname": "TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesAndUnusedTaxLossesForWhichCompanyHasNotRecognizedDeferredTaxAssetsDetails", "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesForWhichCompanyHasRecognizedDeferredTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_TradeAndOtherCurrentPayables": { "auth_ref": [ "r11" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureAccountsPayablesAndAccruedLiabilitiess": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 1.0, "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", "negatedLabel": "Accounts payables", "terseLabel": "Accounts payables and accrued liabilities", "totalLabel": "Accounts payables and accrued liabilities" } } }, "localname": "TradeAndOtherCurrentPayables", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAccountsPayablesAndAccruedLiabilitiesDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementCurrencyRiskDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementLiquidityRiskDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TradeAndOtherCurrentPayablesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "ACCOUNTS PAYABLES AND ACCRUED LIABILITIES" } } }, "localname": "TradeAndOtherCurrentPayablesAbstract", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers": { "auth_ref": [ "r206", "r271" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureAccountsPayablesAndAccruedLiabilitiess": { "order": 1.0, "parentTag": "ifrs-full_TradeAndOtherCurrentPayables", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The current amount of payment due to suppliers for goods and services used in entity's business. [Refer: Current liabilities; Trade payables]" } }, "en-us": { "role": { "label": "Current trade payables", "terseLabel": "Trade payables and accrued liabilities" } } }, "localname": "TradeAndOtherCurrentPayablesToTradeSuppliers", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAccountsPayablesAndAccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TradeAndOtherCurrentReceivables": { "auth_ref": [ "r9", "r19" ], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 3.0, "parentTag": "ifrs-full_CurrentAssets", "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": "Grants receivable and other current assets" } } }, "localname": "TradeAndOtherCurrentReceivables", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TradeAndOtherPayablesUndiscountedCashFlows": { "auth_ref": [ "r237", "r239" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of contractual undiscounted cash flows in relation to trade and other payables. [Refer: Trade and other payables]" } }, "en-us": { "role": { "label": "Trade and other payables, undiscounted cash flows", "terseLabel": "Account payables and accrued liabilities, contractual cash flows" } } }, "localname": "TradeAndOtherPayablesUndiscountedCashFlows", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementLiquidityRiskDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TransfersIntoLevel3OfFairValueHierarchyAssets": { "auth_ref": [ "r111" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of transfers of assets into Level 3 of the fair value hierarchy. [Refer: Level 3 of fair value hierarchy [member]]" } }, "en-us": { "role": { "label": "Transfers into Level 3 of fair value hierarchy, assets", "terseLabel": "Transfers into Level 3, Assets" } } }, "localname": "TransfersIntoLevel3OfFairValueHierarchyAssets", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TransfersIntoLevel3OfFairValueHierarchyLiabilities": { "auth_ref": [ "r111" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of transfers of liabilities into Level 3 of the fair value hierarchy. [Refer: Level 3 of fair value hierarchy [member]]" } }, "en-us": { "role": { "label": "Transfers into Level 3 of fair value hierarchy, liabilities", "terseLabel": "Transfers into Level 3, Liabilities" } } }, "localname": "TransfersIntoLevel3OfFairValueHierarchyLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyAssets": { "auth_ref": [ "r109" ], "lang": { "en": { "role": { "documentation": "The amount of transfers out of Level 1 and into Level 2 of the fair value hierarchy of assets held at the end of the reporting period. [Refer: Level 1 of fair value hierarchy [member]; Level 2 of fair value hierarchy [member]]" } }, "en-us": { "role": { "label": "Transfers out of Level 1 into Level 2 of fair value hierarchy, assets held at end of reporting period", "terseLabel": "Transfers out of Level 1 into Level 2, Assets" } } }, "localname": "TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyAssets", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyLiabilities": { "auth_ref": [ "r109" ], "lang": { "en": { "role": { "documentation": "The amount of transfers out of Level 1 and into Level 2 of the fair value hierarchy of liabilities held at the end of the reporting period. [Refer: Level 1 of fair value hierarchy [member]; Level 2 of fair value hierarchy [member]]" } }, "en-us": { "role": { "label": "Transfers out of Level 1 into Level 2 of fair value hierarchy, liabilities held at end of reporting period", "terseLabel": "Transfers out of Level 1 into Level 2, Liabilities" } } }, "localname": "TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyAssets": { "auth_ref": [ "r109" ], "lang": { "en": { "role": { "documentation": "The amount of transfers out of Level 2 and into Level 1 of the fair value hierarchy of assets held at the end of the reporting period. [Refer: Level 1 of fair value hierarchy [member]; Level 2 of fair value hierarchy [member]]" } }, "en-us": { "role": { "label": "Transfers out of Level 2 into Level 1 of fair value hierarchy, assets held at end of reporting period", "terseLabel": "Transfers out of Level 2 into Level 1, Assets" } } }, "localname": "TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyAssets", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyLiabilities": { "auth_ref": [ "r109" ], "lang": { "en": { "role": { "documentation": "The amount of transfers out of Level 2 and into Level 1 of the fair value hierarchy of liabilities held at the end of the reporting period. [Refer: Level 1 of fair value hierarchy [member]; Level 2 of fair value hierarchy [member]]" } }, "en-us": { "role": { "label": "Transfers out of Level 2 into Level 1 of fair value hierarchy, liabilities held at end of reporting period", "terseLabel": "Transfers out of Level 2 into Level 1, Liabilities" } } }, "localname": "TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyAssets": { "auth_ref": [ "r111" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of transfers of assets out of Level 3 of the fair value hierarchy. [Refer: Level 3 of fair value hierarchy [member]]" } }, "en-us": { "role": { "label": "Transfers out of Level 3 of fair value hierarchy, assets", "terseLabel": "Transfers out of Level 3, Assets" } } }, "localname": "TransfersOutOfLevel3OfFairValueHierarchyAssets", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyLiabilities": { "auth_ref": [ "r111" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of transfers of liabilities out of Level 3 of the fair value hierarchy. [Refer: Level 3 of fair value hierarchy [member]]" } }, "en-us": { "role": { "label": "Transfers out of Level 3 of fair value hierarchy, liabilities", "terseLabel": "Transfers out of Level 3, Liabilities" } } }, "localname": "TransfersOutOfLevel3OfFairValueHierarchyLiabilities", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFairValueHierarchyDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TravelExpense": { "auth_ref": [ "r268" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails": { "order": 5.0, "parentTag": "ifrs-full_GeneralAndAdministrativeExpense", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of expense arising from travel." } }, "en-us": { "role": { "label": "Travel expense", "terseLabel": "Travelling, representation and convention" } } }, "localname": "TravelExpense", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TypesOfInterestRatesAxis": { "auth_ref": [ "r297" ], "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 interest rates [axis]", "terseLabel": "Types of interest rates [axis]" } } }, "localname": "TypesOfInterestRatesAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementInterestRateRiskDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_TypesOfInvestmentPropertyAxis": { "auth_ref": [ "r268" ], "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.nouveaumonde.com/role/DisclosureInvestmentsListedSharesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_TypesOfRisksAxis": { "auth_ref": [ "r149", "r154", "r155", "r192", "r193", "r194", "r196" ], "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]" } } }, "localname": "TypesOfRisksAxis", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementCurrencyRiskDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementInterestRateRiskDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_TypesOfRisksMember": { "auth_ref": [ "r149", "r154", "r155", "r192", "r193", "r194", "r196" ], "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]" } } }, "localname": "TypesOfRisksMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementCurrencyRiskDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementInterestRateRiskDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_UnallocatedAmountsMember": { "auth_ref": [ "r243", "r244" ], "lang": { "en": { "role": { "documentation": "This member stands for items that have not been allocated to operating segments." } }, "en-us": { "role": { "label": "Corporate" } } }, "localname": "UnallocatedAmountsMember", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalSegmentInformationDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_UnobservableInputsAxis": { "auth_ref": [ "r110", "r296" ], "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.nouveaumonde.com/role/DisclosureConvertibleNotesSensitivityAnalysisDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_UnobservableInputsMember": { "auth_ref": [ "r110", "r296" ], "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.nouveaumonde.com/role/DisclosureConvertibleNotesSensitivityAnalysisDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill": { "auth_ref": [ "r74" ], "lang": { "en": { "role": { "documentation": "The useful life, measured as period of time, used for intangible assets other than goodwill. [Refer: Intangible assets other than goodwill]" } }, "en-us": { "role": { "label": "Useful life measured as period of time, intangible assets other than goodwill", "terseLabel": "Useful life (in years)" } } }, "localname": "UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesIntangibleAssetsDetails" ], "xbrltype": "durationItemType" }, "ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment": { "auth_ref": [ "r43" ], "lang": { "en": { "role": { "documentation": "The useful life, measured as period of time, used for property, plant and equipment. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Useful life measured as period of time, property, plant and equipment", "terseLabel": "Useful life (in years)" } } }, "localname": "UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPropertyAndEquipmentDetails" ], "xbrltype": "durationItemType" }, "ifrs-full_UtilitiesExpense": { "auth_ref": [ "r268" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails": { "order": 8.0, "parentTag": "ifrs-full_OperatingExpense", "weight": 1.0 }, "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails": { "order": 8.0, "parentTag": "ifrs-full_ExpenseArisingFromExplorationForAndEvaluationOfMineralResources", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of expense arising from purchased utilities." } }, "en-us": { "role": { "label": "Utilities expense", "terseLabel": "Utilities" } } }, "localname": "UtilitiesExpense", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_WagesAndSalaries": { "auth_ref": [ "r276" ], "calculation": { "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails": { "order": 1.0, "parentTag": "ifrs-full_OperatingExpense", "weight": 1.0 }, "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails": { "order": 1.0, "parentTag": "ifrs-full_ExpenseArisingFromExplorationForAndEvaluationOfMineralResources", "weight": 1.0 }, "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails": { "order": 1.0, "parentTag": "ifrs-full_GeneralAndAdministrativeExpense", "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", "terseLabel": "Wages and benefits" } } }, "localname": "WagesAndSalaries", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019": { "auth_ref": [ "r136" ], "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", "terseLabel": "Options that can be exercised (in dollars per share)" } } }, "localname": "WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019": { "auth_ref": [ "r133" ], "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", "terseLabel": "Exercised (in dollars per share)" } } }, "localname": "WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement2019": { "auth_ref": [ "r134" ], "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": "Expired (in dollars per share)" } } }, "localname": "WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement2019", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019": { "auth_ref": [ "r132" ], "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", "terseLabel": "Forfeited (in dollars per share)" } } }, "localname": "WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019": { "auth_ref": [ "r131" ], "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": "Granted (in dollars per share)" } } }, "localname": "WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019": { "auth_ref": [ "r138" ], "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 price at the time of exercise" } } }, "localname": "WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019": { "auth_ref": [ "r130", "r135" ], "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": "Ending balance (in dollars per share)", "periodStartLabel": "Opening balance (in dollars per share)" } } }, "localname": "WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageSharePrice2019": { "auth_ref": [ "r138" ], "lang": { "en": { "role": { "documentation": "The weighted average share price. [Refer: Weighted average [member]]" } }, "en-us": { "role": { "label": "Weighted average share price", "terseLabel": "Price paid per share" } } }, "localname": "WeightedAverageSharePrice2019", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureInvestmentsListedSharesDetails" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019": { "auth_ref": [ "r141" ], "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": "Share price at date of grant" } } }, "localname": "WeightedAverageSharePriceShareOptionsGranted2019", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageShares": { "auth_ref": [ "r70" ], "lang": { "en": { "role": { "documentation": "The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor." } }, "en-us": { "role": { "label": "Weighted average number of ordinary shares used in calculating basic earnings per share", "terseLabel": "Weighted average number of shares outstanding - Basic", "verboseLabel": "Basic weighted average number of shares outstanding" } } }, "localname": "WeightedAverageShares", "nsuri": "https://xbrl.ifrs.org/taxonomy/2022-03-24/ifrs-full", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityLossPerShareDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss" ], "xbrltype": "sharesItemType" }, "nmg_AccountingstandardsissuedbutnotyeteffectiveAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "ACCOUNTING STANDARDS ISSUED BUT NOT YET EFFECTIVE" } } }, "localname": "AccountingstandardsissuedbutnotyeteffectiveAbstract", "nsuri": "http://www.nouveaumonde.com/20221231", "xbrltype": "stringItemType" }, "nmg_AccountingstandardsissuedbutnotyeteffectiveTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for accounting standards but not yet effective.", "label": "Accounting Standards Issued But Not Yet Effective [Text Block]", "terseLabel": "ACCOUNTING STANDARDS ISSUED BUT NOT YET EFFECTIVE" } } }, "localname": "AccountingstandardsissuedbutnotyeteffectiveTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAccountingStandardsIssuedButNotYetEffective" ], "xbrltype": "textBlockItemType" }, "nmg_AccountsPayableAndAccruedLiabilitiesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for accounts payable and accrued liabilities.", "label": "Account payables and accrued liabilities" } } }, "localname": "AccountsPayableAndAccruedLiabilitiesMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails" ], "xbrltype": "domainItemType" }, "nmg_AccretionOfIssueCosts": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/DisclosureNetFinancialCostsIncomeDetails": { "order": 7.0, "parentTag": "ifrs-full_FinanceIncomeCost", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of accretion of issue costs.", "label": "Accretion of Issue Costs", "terseLabel": "Accretion on borrowings and notes" } } }, "localname": "AccretionOfIssueCosts", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureNetFinancialCostsIncomeDetails" ], "xbrltype": "monetaryItemType" }, "nmg_AccretionOfIssueCostsBorrowings": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of accretion of issue costs.", "label": "Accretion of Issue Costs, Borrowings", "terseLabel": "Accretion of issue costs" } } }, "localname": "AccretionOfIssueCostsBorrowings", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsDetails" ], "xbrltype": "monetaryItemType" }, "nmg_AccumulatedNonCapitalLosses": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of accumulated non-capital losses for tax purposes which can be used to reduce taxable income in future years.", "label": "Accumulated Non-Capital Losses", "terseLabel": "Accumulated non-capital losses" } } }, "localname": "AccumulatedNonCapitalLosses", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesAccumulatedNonCapitalLossesForTaxPurposesDetails" ], "xbrltype": "monetaryItemType" }, "nmg_AdditionalCashFlowInformationAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "ADDITIONAL CASH FLOW INFORMATION" } } }, "localname": "AdditionalCashFlowInformationAbstract", "nsuri": "http://www.nouveaumonde.com/20221231", "xbrltype": "stringItemType" }, "nmg_AdditionalCashFlowInformationTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for additional cash flow information.", "label": "Additional Cash Flow Information [Text Block]", "terseLabel": "ADDITIONAL CASH FLOW INFORMATION" } } }, "localname": "AdditionalCashFlowInformationTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformation" ], "xbrltype": "textBlockItemType" }, "nmg_AdditionalGrantReceivables": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of Additional Grant Receivables.", "label": "Additional Grant Receivables", "terseLabel": "Additional grant receivables" } } }, "localname": "AdditionalGrantReceivables", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGrantsReceivableAndOtherCurrentAssetsDetails" ], "xbrltype": "monetaryItemType" }, "nmg_AdditionalMinimumRequitedPaymentsToBeMadeUnderCommitmentsRelatedPartyTransactions": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of additional minimum payments required to be under commitments in related party transactions.", "label": "Additional Minimum Requited Payments to be made under Commitments, Related Party Transactions", "terseLabel": "Amount of additional minimum required payments to be made" } } }, "localname": "AdditionalMinimumRequitedPaymentsToBeMadeUnderCommitmentsRelatedPartyTransactions", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_AdditionsAndModificationOfLeasesLeaseLiabilities": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of new leases and modifications to lease liabilities.", "label": "Additions and Modification of Leases, Lease Liabilities", "terseLabel": "New liabilities and modifications of leases" } } }, "localname": "AdditionsAndModificationOfLeasesLeaseLiabilities", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "nmg_AdjustmentForGainsLossesOnChangeInFairValueOfListedShares": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/DisclosureNetFinancialCostsIncomeDetails": { "order": 3.0, "parentTag": "ifrs-full_FinanceIncomeCost", "weight": 1.0 }, "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Adjustments for gains (losses) on changes in the fair value of listed shares to reconcile profit (loss) to net cash flow from (used in) operating activities.", "label": "Adjustment for Gains (Losses) on Change in Fair Value of Listed Shares", "negatedLabel": "Change in fair value - listed shares" } } }, "localname": "AdjustmentForGainsLossesOnChangeInFairValueOfListedShares", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureNetFinancialCostsIncomeDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "nmg_AdjustmentsForAccretionIncludedWithinFinancialCosts": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 9.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Adjustments for accretion included within financial costs to reconcile profit (loss) to net cash flow from (used in) operating activities.", "label": "Adjustments for Accretion Included Within Financial Costs", "terseLabel": "Accretion included within financial costs" } } }, "localname": "AdjustmentsForAccretionIncludedWithinFinancialCosts", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "nmg_AdjustmentsForDecreaseIncreaseInDeferredGrants": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationDetails": { "order": 2.0, "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Adjustments for increase (decrease) in deferred grants to reconcile profit (loss) to net cash flow from (used in) operating activities.", "label": "Adjustments for (Decrease) Increase in Deferred Grants", "terseLabel": "Deferred grants" } } }, "localname": "AdjustmentsForDecreaseIncreaseInDeferredGrants", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_AdjustmentsForDecreaseIncreaseInGrantsReceivable": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationDetails": { "order": 1.0, "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Adjustments for decrease (increase) in grants receivable to reconcile profit (loss) to net cash flow from (used in) operating activities.", "label": "Adjustments for Decrease (Increase) in Grants Receivable", "terseLabel": "Grants receivable and other current assets" } } }, "localname": "AdjustmentsForDecreaseIncreaseInGrantsReceivable", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_AdjustmentsForDecreaseIncreaseInMiningTaxCredits": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationDetails": { "order": 3.0, "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Adjustments for increase (decrease) in mining tax credits to reconcile profit (loss) to net cash flow from (used in) operating activities.", "label": "Adjustments for (Decrease) Increase in Mining Tax Credits", "terseLabel": "Mining tax credits" } } }, "localname": "AdjustmentsForDecreaseIncreaseInMiningTaxCredits", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_AdjustmentsForDecreaseIncreaseInSalesTaxesReceivable": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationDetails": { "order": 4.0, "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Adjustments for decrease (increase) in sales taxes receivable to reconcile profit (loss) to net cash flow from (used in) operating activities.", "label": "Adjustments for Decrease (Increase) in Sales Taxes Receivable", "terseLabel": "Sales taxes receivable" } } }, "localname": "AdjustmentsForDecreaseIncreaseInSalesTaxesReceivable", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_AggregatePurchasePriceOfRoyaltyIssued": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Represents the aggregate purchase price of royalty issued.", "label": "Aggregate Purchase Price of Royalty Issued", "terseLabel": "Aggregate purchase price of royalty issued" } } }, "localname": "AggregatePurchasePriceOfRoyaltyIssued", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_Agreementwithvendor": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The agreement with vendor.", "label": "Agreement With Vendor", "terseLabel": "Agreement with vendor" } } }, "localname": "Agreementwithvendor", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_AmortizationOfDebtInstuments": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of amortization of debt instruments.", "label": "Amortization of Debt Instuments", "terseLabel": "Amortization" } } }, "localname": "AmortizationOfDebtInstuments", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails" ], "xbrltype": "monetaryItemType" }, "nmg_AmountOfDifferenceBetweenContributionAndPresentValue": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of difference between the carrying value of the contribution and the discounted loan value was recognized as a grant.", "label": "Amount of Difference Between Contribution and Present Value", "terseLabel": "Amount of grant" } } }, "localname": "AmountOfDifferenceBetweenContributionAndPresentValue", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_AmountOfNsrBoughtBack": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Represents the amount of NSR bought back.", "label": "Amount of NSR Bought Back", "terseLabel": "Amount of NSR bought back" } } }, "localname": "AmountOfNsrBoughtBack", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_AmountOfPurchaseOrdersForOperations": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Represents the amount of purchase orders for operations.", "label": "Amount of Purchase Orders for Operations", "terseLabel": "Amount of purchase order for operations" } } }, "localname": "AmountOfPurchaseOrdersForOperations", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureCommitmentsDetails" ], "xbrltype": "monetaryItemType" }, "nmg_AmountSubscribedEach": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount subscribed each.", "label": "Amount Subscribed Each", "terseLabel": "Amount Subscribed" } } }, "localname": "AmountSubscribedEach", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_AssetRetirementObligationMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for asset retirement obligation.", "label": "Asset retirement obligation [Member]", "terseLabel": "Asset retirement obligation" } } }, "localname": "AssetRetirementObligationMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesAndUnusedTaxLossesForWhichCompanyHasNotRecognizedDeferredTaxAssetsDetails" ], "xbrltype": "domainItemType" }, "nmg_AtMarketEquityOfferingMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for At the market offering.", "label": "At the Market Equity Offering [Member]" } } }, "localname": "AtMarketEquityOfferingMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails" ], "xbrltype": "domainItemType" }, "nmg_AuthorizedShareCapitalMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stand for authorized share capital.", "label": "Authorized share capital" } } }, "localname": "AuthorizedShareCapitalMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails" ], "xbrltype": "domainItemType" }, "nmg_BasisofpreparationandstatementofcomplianceAbstact": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "BASIS OF PREPARATION AND STATEMENT OF COMPLIANCE" } } }, "localname": "BasisofpreparationandstatementofcomplianceAbstact", "nsuri": "http://www.nouveaumonde.com/20221231", "xbrltype": "stringItemType" }, "nmg_BasisofpreparationandstatementofcomplianceTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for basis of preparation and statement of compliance.", "label": "Basis Of Preparation And Statement Of Compliance [Text Block]", "terseLabel": "BASIS OF PREPARATION AND STATEMENT OF COMPLIANCE" } } }, "localname": "BasisofpreparationandstatementofcomplianceTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBasisOfPreparationAndStatementOfCompliance" ], "xbrltype": "textBlockItemType" }, "nmg_BatteryMaterialDemonstrationPlantUnderConstructionMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Battery Material Demonstration Plant under construction.", "label": "Battery Material Demonstration Plant under construction [Member]", "terseLabel": "Battery Material Demonstration Plant under construction" } } }, "localname": "BatteryMaterialDemonstrationPlantUnderConstructionMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "nmg_BatteryMaterialPlantProjectExpensesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "BATTERY MATERIAL PLANT PROJECT EXPENSES" } } }, "localname": "BatteryMaterialPlantProjectExpensesAbstract", "nsuri": "http://www.nouveaumonde.com/20221231", "xbrltype": "stringItemType" }, "nmg_BatteryMaterialPlantProjectExpensesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Battery Material Plant project expenses.", "label": "Battery Material Plant Project Expenses", "verboseLabel": "Battery material plant project expenses" } } }, "localname": "BatteryMaterialPlantProjectExpensesMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalSegmentInformationDetails", "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "nmg_BatteryMaterialPlantProjectExpensesTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for battery material plant project expenses.", "label": "Battery Material Plant Project Expenses [Text Block]", "terseLabel": "BATTERY MATERIAL PLANT PROJECT EXPENSES" } } }, "localname": "BatteryMaterialPlantProjectExpensesTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpenses" ], "xbrltype": "textBlockItemType" }, "nmg_BatteryMaterialPlantProjectPolicyTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The policy text block for Battery material Plant project.", "label": "Battery Material Plant Project [Policy Text Block]", "terseLabel": "BATTERY MATERIAL PLANT PROJECT" } } }, "localname": "BatteryMaterialPlantProjectPolicyTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "nmg_BorrowingsDebtConversionConversionPricePerUnit": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Per unit price of debt instrument converted.", "label": "Borrowings, Debt Conversion, Conversion Price Per Unit", "terseLabel": "Converison price per unit" } } }, "localname": "BorrowingsDebtConversionConversionPricePerUnit", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails" ], "xbrltype": "perShareItemType" }, "nmg_BorrowingsDebtConversionNumberOfShareWarrantPerEachUnitConverted": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of share warrants per each unit converted.", "label": "Borrowings, Debt Conversion, Number of Share Warrant per Each Unit Converted", "terseLabel": "Number of share warrants per unit" } } }, "localname": "BorrowingsDebtConversionNumberOfShareWarrantPerEachUnitConverted", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails" ], "xbrltype": "sharesItemType" }, "nmg_BorrowingsDebtConversionNumberOfSharesPerEachUnitConverted": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of common shares per each unit converted.", "label": "Borrowings, Debt Conversion, Number of Shares per Each Unit Converted", "terseLabel": "Number of share per unit" } } }, "localname": "BorrowingsDebtConversionNumberOfSharesPerEachUnitConverted", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails" ], "xbrltype": "sharesItemType" }, "nmg_BorrowingsDiscountedRate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the discount rate used to calculate present value of future payments.", "label": "Borrowings, Discounted Rate", "terseLabel": "Discounted interest rate (in percent)" } } }, "localname": "BorrowingsDiscountedRate", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails" ], "xbrltype": "percentItemType" }, "nmg_BorrowingsNumberOfInstallments": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the number of installments in which the loan payable.", "label": "Borrowings, Number of Installments", "terseLabel": "Number of installments" } } }, "localname": "BorrowingsNumberOfInstallments", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails" ], "xbrltype": "integerItemType" }, "nmg_CarryingAmountOfEquityBorrowingsLeasesAndConvertibleBonds": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Carrying amount of equity, borrowings, leases and convertible loans.", "label": "Carrying Amount of Equity, Borrowings, Leases And Convertible Bonds", "terseLabel": "Carrying amount of equity, borrowings, leases and convertible loans" } } }, "localname": "CarryingAmountOfEquityBorrowingsLeasesAndConvertibleBonds", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureInformationDisclosureAboutCapitalManagementDetails" ], "xbrltype": "monetaryItemType" }, "nmg_CarryingAmountOfUnderlyingProperties": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Represents the carrying amount of underlying properties.", "label": "Carrying Amount of Underlying Properties", "terseLabel": "Carrying amount of underlying properties" } } }, "localname": "CarryingAmountOfUnderlyingProperties", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_CashCashEquivalentsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for cash and cash equivalents", "label": "Cash & Cash Equivalents [Member]", "terseLabel": "Cash and cash equivalents" } } }, "localname": "CashCashEquivalentsMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails" ], "xbrltype": "domainItemType" }, "nmg_CashOnBankAndShortTermDepositsClassifiedAsCashAndCashEquivalents": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of cash on bank and short term deposits classified as cash and cash equivalents.", "label": "Cash on Bank and Short Term Deposits Classified as Cash and Cash Equivalents", "terseLabel": "Cash in bank and short-term deposits" } } }, "localname": "CashOnBankAndShortTermDepositsClassifiedAsCashAndCashEquivalents", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureCashAndCashEquivalentsDetails" ], "xbrltype": "monetaryItemType" }, "nmg_ClosingSharePrice": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Price per share at the closing.", "label": "Closing Share Price", "terseLabel": "Closing price per share" } } }, "localname": "ClosingSharePrice", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureInvestmentsListedSharesDetails" ], "xbrltype": "perShareItemType" }, "nmg_CommitmentsRelatedToConstructionAndDemonstrationOfPlant": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Represents the commitments related to construction and demonstration plant.", "label": "Commitments Related to Construction and Demonstration of Plant", "terseLabel": "Amount of commitments related to the construction of the graphite purification demonstration plant" } } }, "localname": "CommitmentsRelatedToConstructionAndDemonstrationOfPlant", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureCommitmentsDetails" ], "xbrltype": "monetaryItemType" }, "nmg_ConsultantsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for consultants.", "label": "Consultants" } } }, "localname": "ConsultantsMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "domainItemType" }, "nmg_Consultingfeesexpense": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails": { "order": 4.0, "parentTag": "ifrs-full_GeneralAndAdministrativeExpense", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of consulting fee expense.", "label": "Consulting Fees Expense", "terseLabel": "Consulting fees" } } }, "localname": "Consultingfeesexpense", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails" ], "xbrltype": "monetaryItemType" }, "nmg_ConvertibleBondMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for convertible bond.", "label": "Convertible Bond." } } }, "localname": "ConvertibleBondMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails" ], "xbrltype": "domainItemType" }, "nmg_ConvertibleNotesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "CONVERTIBLE NOTES" } } }, "localname": "ConvertibleNotesAbstract", "nsuri": "http://www.nouveaumonde.com/20221231", "xbrltype": "stringItemType" }, "nmg_ConvertibleNotesHostInstrumentNonCurrent": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of convertible notes related to host instrument, non current.", "label": "Convertible Notes, Host Instrument Non Current", "negatedLabel": "Convertibles notes - Host" } } }, "localname": "ConvertibleNotesHostInstrumentNonCurrent", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementCurrencyRiskDetails" ], "xbrltype": "monetaryItemType" }, "nmg_ConvertibleNotesLineItems": { "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": "CONVERTIBLE NOTES [Line items]", "terseLabel": "CONVERTIBLE NOTES" } } }, "localname": "ConvertibleNotesLineItems", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotes2020ConvertibleNoteWithPallinghurstDetails", "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails", "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesSensitivityAnalysisDetails" ], "xbrltype": "stringItemType" }, "nmg_ConvertibleNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for convertible notes.", "label": "Convertible notes", "terseLabel": "Convertible notes" } } }, "localname": "ConvertibleNotesMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementInterestRateRiskDetails", "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesForWhichCompanyHasRecognizedDeferredTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "nmg_ConvertibleNotesPallinghurst2020Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for convertible notes pallinghurst 2020.", "label": "Convertible Notes Pallinghurst 2020 [Member]" } } }, "localname": "ConvertibleNotesPallinghurst2020Member", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotes2020ConvertibleNoteWithPallinghurstDetails" ], "xbrltype": "domainItemType" }, "nmg_CostToIssueConvertibleNotesIncludedInAccountsPayableAndAccruedLiabilities": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of cost to issue the convertible notes included in accounts payable and accrued liabilities", "label": "Cost to Issue Convertible Notes Included in Accounts Payable And Accrued Liabilities", "terseLabel": "Cost to issue the convertible notes included in accounts payable and accrued liabilities" } } }, "localname": "CostToIssueConvertibleNotesIncludedInAccountsPayableAndAccruedLiabilities", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_CurrentGovernmentGrantsWithReasonableAssurance": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of grants with reasonable assurance that they will be received and when the Company has reasonable assurance that it will continue to comply with the conditions associated with the grants.", "label": "Current Government Grants with Reasonable Assurance", "terseLabel": "Grant receivable" } } }, "localname": "CurrentGovernmentGrantsWithReasonableAssurance", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGrantsReceivableAndOtherCurrentAssetsDetails" ], "xbrltype": "monetaryItemType" }, "nmg_CurrentRestrictedCashAndDeposits": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 1.0, "parentTag": "ifrs-full_CurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of current restricted cash and deposits.", "label": "Current Restricted Cash and Deposits", "terseLabel": "Restricted cash and deposits" } } }, "localname": "CurrentRestrictedCashAndDeposits", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "nmg_DebtIssuanceCostsIncurredOnIssueOfDebt": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of debt issuance costs incurred on issue of debt.", "label": "Debt Issuance Costs Incurred on Issue of Debt", "terseLabel": "Issuance." } } }, "localname": "DebtIssuanceCostsIncurredOnIssueOfDebt", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails" ], "xbrltype": "monetaryItemType" }, "nmg_DebtIssueRelatedCosts": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of transaction costs or debt issue related costs.", "label": "Debt Issue Related Costs", "terseLabel": "Transaction costs" } } }, "localname": "DebtIssueRelatedCosts", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails" ], "xbrltype": "monetaryItemType" }, "nmg_DebtSettledInExchangeOfEquity": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of debt settled in exchange of royalty.", "label": "Debt Settled in Exchange of Equity", "negatedLabel": "Debts settled in exchange of Royalty" } } }, "localname": "DebtSettledInExchangeOfEquity", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsDetails" ], "xbrltype": "monetaryItemType" }, "nmg_DeductibleTemporaryDifferencesAndUnusedTaxLossesForWhichNoDeferredTaxAssetIsRecognised": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of deductible temporary differences and unused tax losses for which no deferred tax asset is recognised in the statement of financial position.", "label": "Deductible Temporary Differences and Unused Tax Losses for Which No Deferred Tax Asset is Recognised", "terseLabel": "Temporary differences and unused tax losses that have not been included on the consolidated statement of financial position" } } }, "localname": "DeductibleTemporaryDifferencesAndUnusedTaxLossesForWhichNoDeferredTaxAssetIsRecognised", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesAndUnusedTaxLossesForWhichCompanyHasNotRecognizedDeferredTaxAssetsDetails" ], "xbrltype": "monetaryItemType" }, "nmg_DeferredAmountMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for defererd amount.", "label": "Deferred Amount [Member]", "terseLabel": "Deferred amount" } } }, "localname": "DeferredAmountMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails" ], "xbrltype": "domainItemType" }, "nmg_DeferredIncomes": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 3.0, "parentTag": "ifrs-full_CurrentLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of Deferred Incomes", "label": "Deferred Incomes", "terseLabel": "Deferred grants" } } }, "localname": "DeferredIncomes", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "nmg_DeferredTaxExpenseIncomePayable": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails": { "order": 1.0, "parentTag": "ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of tax expense (income) payable in deferred tax liabilities and deferred tax assets.", "label": "Deferred Tax Expense (Income), Payable", "terseLabel": "Taxes payable" } } }, "localname": "DeferredTaxExpenseIncomePayable", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_DescriptionOfAccountingPolicyForTaxCreditsReceivablePolicyTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The description of the entity's accounting policy for tax credits receivable.", "label": "Description of Accounting Policy for Tax Credits Receivable [Policy Text Block]", "terseLabel": "TAX CREDITS RECEIVABLE" } } }, "localname": "DescriptionOfAccountingPolicyForTaxCreditsReceivablePolicyTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "nmg_DirectorsRemunerationAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "Directors Remuneration [Abstract]", "terseLabel": "Directors of the Company" } } }, "localname": "DirectorsRemunerationAbstract", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "stringItemType" }, "nmg_DirectorsShareBasedPayments": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of compensation to directors in the form of share-based payments.", "label": "Directors Share Based Payments", "terseLabel": "Share-based payments" } } }, "localname": "DirectorsShareBasedPayments", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "nmg_DisclosureOfConversionOfDebtIntoCommonSharesTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The disclosure of conversion of debt into common shares.", "label": "Disclosure of Conversion of Debt into Common Shares [Table Text Block]", "terseLabel": "Disclosure of conversion of debt into common shares" } } }, "localname": "DisclosureOfConversionOfDebtIntoCommonSharesTableTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesTables" ], "xbrltype": "textBlockItemType" }, "nmg_DisclosureOfConvertibleBondsTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The disclosure of convertible bonds.", "label": "Disclosure of Convertible Bonds [Table Text Block]", "terseLabel": "Schedule of convertible bonds" } } }, "localname": "DisclosureOfConvertibleBondsTableTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesTables" ], "xbrltype": "textBlockItemType" }, "nmg_DisclosureOfConvertibleNotesTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The entire disclosure of convertible bonds.", "label": "Disclosure of Convertible Notes [Text Block]", "terseLabel": "CONVERTIBLE NOTES" } } }, "localname": "DisclosureOfConvertibleNotesTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotes" ], "xbrltype": "textBlockItemType" }, "nmg_DisclosureOfDetailedInformationAboutConvertibleNotesTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Schedule disclosing information related to the convertible notes.", "label": "Disclosure Of Detailed Information About Convertible Notes [Table]" } } }, "localname": "DisclosureOfDetailedInformationAboutConvertibleNotesTable", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotes2020ConvertibleNoteWithPallinghurstDetails", "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails", "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesSensitivityAnalysisDetails" ], "xbrltype": "stringItemType" }, "nmg_DisclosureOfDetailedInformationAboutGeneralAndAdministrativeExpensesTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Schedule disclosing information related to the general And Administrative Expenses", "label": "Disclosure Of Detailed Information About General And Administrative Expenses [Table]", "terseLabel": "GENERAL AND ADMINISTRATIVE EXPENSES" } } }, "localname": "DisclosureOfDetailedInformationAboutGeneralAndAdministrativeExpensesTable", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails" ], "xbrltype": "stringItemType" }, "nmg_DiscountRateUsedForDeterminationOfFairValueOfRehabilitationObligation": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the discount rate used for determining fair value of rehabilitation obligation.", "label": "Discount Rate Used for Determination of Fair Value of Rehabilitation Obligation", "terseLabel": "Discount rate used (in percent)" } } }, "localname": "DiscountRateUsedForDeterminationOfFairValueOfRehabilitationObligation", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAssetRetirementObligationDetails" ], "xbrltype": "percentItemType" }, "nmg_EmployeesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for employees.", "label": "Employees" } } }, "localname": "EmployeesMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "domainItemType" }, "nmg_EquityInvestmentMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for equity investment.", "label": "Equity investment [Member]", "terseLabel": "Equity investment" } } }, "localname": "EquityInvestmentMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesAndUnusedTaxLossesForWhichCompanyHasNotRecognizedDeferredTaxAssetsDetails" ], "xbrltype": "domainItemType" }, "nmg_EstimatesjudgementsandassumptionsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "ESTIMATES, JUDGEMENTS AND ASSUMPTIONS" } } }, "localname": "EstimatesjudgementsandassumptionsAbstract", "nsuri": "http://www.nouveaumonde.com/20221231", "xbrltype": "stringItemType" }, "nmg_EstimatesjudgementsandassumptionsTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for estimates, judgments and assumptions.", "label": "Estimates Judgements And Assumptions [Text Block]", "terseLabel": "ESTIMATES, JUDGEMENTS AND ASSUMPTIONS" } } }, "localname": "EstimatesjudgementsandassumptionsTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEstimatesJudgementsAndAssumptions" ], "xbrltype": "textBlockItemType" }, "nmg_ExplorationAndEvaluationExpensesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "EXPLORATION AND EVALUATION EXPENSES" } } }, "localname": "ExplorationAndEvaluationExpensesAbstract", "nsuri": "http://www.nouveaumonde.com/20221231", "xbrltype": "stringItemType" }, "nmg_ExplorationAndEvaluationExpensesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for exploration and evaluation expenses.", "label": "Exploration And Evaluation Expenses", "terseLabel": "Exploration and evaluation expenses" } } }, "localname": "ExplorationAndEvaluationExpensesMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesAndUnusedTaxLossesForWhichCompanyHasNotRecognizedDeferredTaxAssetsDetails", "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesForWhichCompanyHasRecognizedDeferredTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "nmg_FairValuePerOptionShareOptionsGranted": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The fair value per option price used as input to the option pricing model to calculate the fair value of share options granted.", "label": "Fair Value Per Option, Share Options Granted", "terseLabel": "Fair value per option" } } }, "localname": "FairValuePerOptionShareOptionsGranted", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "perShareItemType" }, "nmg_FinanceIncomeExpenseAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "NET FINANCIAL COSTS (INCOME)" } } }, "localname": "FinanceIncomeExpenseAbstract", "nsuri": "http://www.nouveaumonde.com/20221231", "xbrltype": "stringItemType" }, "nmg_ForeighExchangeGainLossOnDebtInstruments": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of foreigh exchange gain (loss) on debt instruments.", "label": "Foreigh Exchange Gain (Loss) on Debt Instruments", "terseLabel": "Foreign exchange" } } }, "localname": "ForeighExchangeGainLossOnDebtInstruments", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails" ], "xbrltype": "monetaryItemType" }, "nmg_ForeignExchangeRateMeasurementInputMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for foreign exchange rate, measurement input.", "label": "Foreign Exchange Rate, Measurement Input [Member]", "terseLabel": "Foreign exchange rate" } } }, "localname": "ForeignExchangeRateMeasurementInputMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesSensitivityAnalysisDetails" ], "xbrltype": "domainItemType" }, "nmg_GainLossFromChangeInFairValueOfInvestmentsInCommonShares": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of gain (loss) from change in fair value of investments in common shares.", "label": "Gain (Loss) from Change in Fair Value of Investments in Common Shares", "terseLabel": "Gain (loss) from change in fair value of investments in common shares." } } }, "localname": "GainLossFromChangeInFairValueOfInvestmentsInCommonShares", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureInvestmentsListedSharesDetails" ], "xbrltype": "monetaryItemType" }, "nmg_GainLossesFromChangeInFairValueOfDebtInstruments": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of gain (loss) from change in fair value of debt instruments.", "label": "Gain (Losses) from Change in Fair Value of Debt Instruments", "terseLabel": "Fair value adjustment" } } }, "localname": "GainLossesFromChangeInFairValueOfDebtInstruments", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails" ], "xbrltype": "monetaryItemType" }, "nmg_GeneralAndAdministrativeExpensesLineItems": { "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": "General And Administrative Expenses [Line items]", "terseLabel": "GENERAL AND ADMINISTRATIVE EXPENSES" } } }, "localname": "GeneralAndAdministrativeExpensesLineItems", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesDetails" ], "xbrltype": "stringItemType" }, "nmg_GeologyAndDrillingExpense": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails": { "order": 7.0, "parentTag": "ifrs-full_ExpenseArisingFromExplorationForAndEvaluationOfMineralResources", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of subcontracting expenses.", "label": "Geology and drilling Expense", "terseLabel": "Geology and drilling" } } }, "localname": "GeologyAndDrillingExpense", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails" ], "xbrltype": "monetaryItemType" }, "nmg_GovernmentGrantsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "GRANTS RECEIVABLE AND OTHER CURRENT ASSETS" } } }, "localname": "GovernmentGrantsAbstract", "nsuri": "http://www.nouveaumonde.com/20221231", "xbrltype": "stringItemType" }, "nmg_GovernmentGrantsLineItems": { "auth_ref": [], "lang": { "en-us": { "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.", "label": "Government Grants [Line Items]", "terseLabel": "GRANTS" } } }, "localname": "GovernmentGrantsLineItems", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGrantsReceivableAndOtherCurrentAssetsDetails" ], "xbrltype": "stringItemType" }, "nmg_GovernmentGrantsTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Schedule disclosing information related to the government grants.", "label": "Government Grants [Table]" } } }, "localname": "GovernmentGrantsTable", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGrantsReceivableAndOtherCurrentAssetsDetails" ], "xbrltype": "stringItemType" }, "nmg_GrantsReceivableAndOtherCurrentAssetsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for grants receivable and other current assets.", "label": "Grants receivable and other current assets" } } }, "localname": "GrantsReceivableAndOtherCurrentAssetsMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails" ], "xbrltype": "domainItemType" }, "nmg_HostPortionOfDebtInstrumentMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for host portion of debt instrument at amortized cost.", "label": "Convertible Notes - Host", "terseLabel": "Host (amortized cost)", "verboseLabel": "Convertible Notes - Host" } } }, "localname": "HostPortionOfDebtInstrumentMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementLiquidityRiskDetails" ], "xbrltype": "domainItemType" }, "nmg_IfrsAssetRetirementObligationAccretionExpense": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.", "label": "IFRS Asset Retirement Obligation, Accretion Expense", "negatedLabel": "Accretion expense" } } }, "localname": "IfrsAssetRetirementObligationAccretionExpense", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAssetRetirementObligationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_IfrsAssetRetirementObligationDisclosureAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "ASSET RETIREMENT OBLIGATION" } } }, "localname": "IfrsAssetRetirementObligationDisclosureAbstract", "nsuri": "http://www.nouveaumonde.com/20221231", "xbrltype": "stringItemType" }, "nmg_IfrsAssetRetirementObligationDisclosureTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for an asset retirement obligation and the associated long-lived asset. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.", "label": "IFRS Asset Retirement Obligation Disclosure [Text Block]", "terseLabel": "ASSET RETIREMENT OBLIGATION" } } }, "localname": "IfrsAssetRetirementObligationDisclosureTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAssetRetirementObligation" ], "xbrltype": "textBlockItemType" }, "nmg_IfrsAssetRetirementObligationLiabilitiesIncurred": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of asset retirement obligations incurred during the period.", "label": "IFRS Asset Retirement Obligation, Liabilities Incurred", "terseLabel": "New obligations" } } }, "localname": "IfrsAssetRetirementObligationLiabilitiesIncurred", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAssetRetirementObligationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_IfrsAssetRetirementObligationRevisionOfEstimate": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of increase (decrease) in the asset retirement obligation from changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation.", "label": "Ifrs Asset Retirement Obligation, Revision of Estimate", "terseLabel": "Change in estimate" } } }, "localname": "IfrsAssetRetirementObligationRevisionOfEstimate", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAssetRetirementObligationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_IfrsAssetRetirementObligationsNoncurrent": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 1.0, "parentTag": "ifrs-full_NoncurrentLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.", "label": "IFRS Asset Retirement Obligations, Noncurrent", "periodEndLabel": "Ending balance", "periodStartLabel": "Opening balance", "terseLabel": "Asset retirement obligation" } } }, "localname": "IfrsAssetRetirementObligationsNoncurrent", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAssetRetirementObligationDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "nmg_IfrsClassOfWarrantOrRightExercisePriceOfWarrantsOrRights": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Exercise price per share or per unit of warrants or rights outstanding.", "label": "Ifrs Class of Warrant or Right, Exercise Price of Warrants or Rights", "terseLabel": "Exercise price of warrants" } } }, "localname": "IfrsClassOfWarrantOrRightExercisePriceOfWarrantsOrRights", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails" ], "xbrltype": "perShareItemType" }, "nmg_IfrsClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.", "label": "Ifrs Class of Warrant or Right, Number of Securities Called by Warrants or Rights", "terseLabel": "Number of shares per each share warrant" } } }, "localname": "IfrsClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails" ], "xbrltype": "sharesItemType" }, "nmg_IfrsDebtConversionOriginalDebtAmount": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of the original debt being converted in a noncash (or part noncash) transaction. \"Part noncash\" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.", "label": "Ifrs Debt Conversion, Original Debt, Amount", "terseLabel": "Conversion" } } }, "localname": "IfrsDebtConversionOriginalDebtAmount", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotes2020ConvertibleNoteWithPallinghurstDetails" ], "xbrltype": "monetaryItemType" }, "nmg_IfrsDebtInstrumentTerm": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Ifrs Debt Instrument, Term", "terseLabel": "Maturity term" } } }, "localname": "IfrsDebtInstrumentTerm", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails" ], "xbrltype": "durationItemType" }, "nmg_IfrsDebtIssuanceCostsNet": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.", "label": "Ifrs Debt Issuance Costs, Net", "terseLabel": "Ending balance." } } }, "localname": "IfrsDebtIssuanceCostsNet", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails" ], "xbrltype": "monetaryItemType" }, "nmg_IfrsDirectorMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Person serving on board of directors.", "label": "Directors" } } }, "localname": "IfrsDirectorMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "domainItemType" }, "nmg_IfrsNumberOfEmployees": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the number of employees whom to issued shares.", "label": "IFRS Number of Employees" } } }, "localname": "IfrsNumberOfEmployees", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails" ], "xbrltype": "integerItemType" }, "nmg_IfrsOfficerMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Person with designation of officer.", "label": "Officers" } } }, "localname": "IfrsOfficerMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "domainItemType" }, "nmg_IfrsProceedsFromIssuancePublicOffering": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The cash inflow associated with the amount received from entity's offering of stock to the public.", "label": "IFRS Proceeds from Issuance Public Offering", "terseLabel": "Gross proceeds from public offering" } } }, "localname": "IfrsProceedsFromIssuancePublicOffering", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails" ], "xbrltype": "monetaryItemType" }, "nmg_IfrsSaleOfStockAxis": { "auth_ref": [], "lang": { "en-us": { "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.", "label": "Ifrs Sale of Stock [Axis]" } } }, "localname": "IfrsSaleOfStockAxis", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails" ], "xbrltype": "stringItemType" }, "nmg_IfrsSaleOfStockDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This members discloses the information pertaining to sale of stock.", "label": "Ifrs Sale of Stock [Domain]" } } }, "localname": "IfrsSaleOfStockDomain", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails" ], "xbrltype": "domainItemType" }, "nmg_IfrsScheduleOfChangeInAssetRetirementObligationTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation.", "label": "IFRS Schedule of Change in Asset Retirement Obligation [Table Text Block]", "terseLabel": "Schedule of asset retirement obligation" } } }, "localname": "IfrsScheduleOfChangeInAssetRetirementObligationTableTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAssetRetirementObligationTables" ], "xbrltype": "textBlockItemType" }, "nmg_IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.", "label": "IFRS Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]", "terseLabel": "Schedule of income tax expense attributable to earnings differs from the amounts computed by applying the combined federal and provincial statutory income tax rate to loss before income taxes" } } }, "localname": "IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "nmg_IfrsSecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Fixed rate on U.S. dollar, constant-notional interest rate swap that has its variable-rate leg referenced to Secured Overnight Financing Rate (SOFR) with no additional spread over SOFR on variable-rate leg.", "label": "SOFR", "terseLabel": "SOFR" } } }, "localname": "IfrsSecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails", "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementInterestRateRiskDetails" ], "xbrltype": "domainItemType" }, "nmg_IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.", "label": "IFRS Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period", "terseLabel": "Average period (in years)" } } }, "localname": "IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "durationItemType" }, "nmg_IfrsShareBasedPaymentArrangementAmountCapitalized": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of cost capitalized for award under share-based payment arrangement.", "label": "Ifrs Share-Based Payment Arrangement, Amount Capitalized", "terseLabel": "Amount capitalized in property, plant and equipment" } } }, "localname": "IfrsShareBasedPaymentArrangementAmountCapitalized", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "monetaryItemType" }, "nmg_IfrsSharePrice": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Price of a single share of a number of saleable stocks of a company.", "label": "IFRS Share Price", "terseLabel": "Share price per share" } } }, "localname": "IfrsSharePrice", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails", "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails" ], "xbrltype": "perShareItemType" }, "nmg_IfrsStatementLineItems": { "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": "IFRS Statement [Line Items]", "terseLabel": "CONSOLIDATED STATEMENTS OF CASH FLOWS" } } }, "localname": "IfrsStatementLineItems", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "nmg_IfrsStatementTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Schedule reflecting a Statement of Income, Statement of Cash Flows, Statement of Financial Position, Statement of Shareholders' Equity and Other Comprehensive Income, or other statement as needed.", "label": "IFRS Statement [Table]" } } }, "localname": "IfrsStatementTable", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "nmg_IfrsStockIssuedDuringPeriodSharesConversionOfConvertibleSecurities": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of shares issued during the period as a result of the conversion of convertible securities.", "label": "IFRS Stock Issued During Period, Shares, Conversion of Convertible Securities", "terseLabel": "Shares issued for conversion debt (convertible bond)" } } }, "localname": "IfrsStockIssuedDuringPeriodSharesConversionOfConvertibleSecurities", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotes2020ConvertibleNoteWithPallinghurstDetails", "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails" ], "xbrltype": "sharesItemType" }, "nmg_IfrsStockIssuedDuringPeriodSharesNewIssues": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of new stock issued during the period.", "label": "IFRS Stock Issued During Period, Shares, New Issues", "terseLabel": "Number of shares issued" } } }, "localname": "IfrsStockIssuedDuringPeriodSharesNewIssues", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails" ], "xbrltype": "sharesItemType" }, "nmg_IfrsStockholdersEquityNoteStockSplitConversionRatio": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.", "label": "Ifrs Stockholders' Equity Note, Stock Split, Conversion Ratio", "terseLabel": "Share consolidation ratio" } } }, "localname": "IfrsStockholdersEquityNoteStockSplitConversionRatio", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails" ], "xbrltype": "pureItemType" }, "nmg_IfrsTitleOfIndividualAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information by title of individual or nature of relationship to individual or group of individuals.", "label": "IFRS Title of Individual [Axis]" } } }, "localname": "IfrsTitleOfIndividualAxis", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "stringItemType" }, "nmg_IfrsTitleOfIndividualDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Title of individual, or nature of relationship to individual or group of individuals.", "label": "IFRS Title of Individual [Domain]" } } }, "localname": "IfrsTitleOfIndividualDomain", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "domainItemType" }, "nmg_IfrsWarrantsAndRightsOutstandingTerm": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Ifrs Warrants and Rights Outstanding, Term", "terseLabel": "Warrants term" } } }, "localname": "IfrsWarrantsAndRightsOutstandingTerm", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails" ], "xbrltype": "durationItemType" }, "nmg_Ifrs_primeRateMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The member represents the Interest rate charged by financial institutions to their most creditworthy borrowers.", "label": "Prime rate" } } }, "localname": "Ifrs_primeRateMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "nmg_Ifrs_variableRateAxis": { "auth_ref": [], "lang": { "en-us": { "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.", "label": "Variable Rate [Axis]" } } }, "localname": "Ifrs_variableRateAxis", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails" ], "xbrltype": "stringItemType" }, "nmg_Ifrs_variableRateDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The domain of table defines the relationship between the members in the table and the line items or concepts that complete the tabel.", "label": "Variable Rate [Domain]" } } }, "localname": "Ifrs_variableRateDomain", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "nmg_IncomeTaxDisclosureLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.", "label": "Income Tax Disclosure [Line Items]", "terseLabel": "INCOME TAXES" } } }, "localname": "IncomeTaxDisclosureLineItems", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesAccumulatedNonCapitalLossesForTaxPurposesDetails", "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails", "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesForWhichCompanyHasRecognizedDeferredTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "nmg_IncomeTaxDisclosureTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Schedule disclosing information related to income tax disclosures.", "label": "Income Tax Disclosure [Table]" } } }, "localname": "IncomeTaxDisclosureTable", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesAccumulatedNonCapitalLossesForTaxPurposesDetails", "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails", "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesForWhichCompanyHasRecognizedDeferredTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "nmg_IncreaseDecreaseInEquityThroughExpirationOfWarrantsEquity": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in equity resulting from the expiration of warrants.", "label": "Increase (Decrease) In Equity Through Expiration of Warrants, Equity", "terseLabel": "Warrants expired" } } }, "localname": "IncreaseDecreaseInEquityThroughExpirationOfWarrantsEquity", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "monetaryItemType" }, "nmg_IncreaseDecreaseInEquityThroughInterestPaymentsEquity": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in equity through issuance of shares for interest payments.", "label": "Increase (Decrease) In Equity Through Interest Payments, Equity", "terseLabel": "Shares issued for interest payment" } } }, "localname": "IncreaseDecreaseInEquityThroughInterestPaymentsEquity", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "monetaryItemType" }, "nmg_IncreaseDecreaseInNetEarningsDueToReasonablyPossibleDecreaseInDesignatedRiskComponent": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in net earnings as a result of an decrease in a designated risk component that was reasonably possible at the end of the reporting period. Excludes defined benefit plan obligations.", "label": "Increase Decrease In Net Earnings Due To Reasonably Possible Decrease In Designated Risk Component", "terseLabel": "Increase (decrease) in net earnings due possible decrease in risk assumption" } } }, "localname": "IncreaseDecreaseInNetEarningsDueToReasonablyPossibleDecreaseInDesignatedRiskComponent", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementCurrencyRiskDetails" ], "xbrltype": "monetaryItemType" }, "nmg_IncreaseDecreaseInNetEarningsDueToReasonablyPossibleIncreaseInDesignatedRiskComponent": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in net earnings as a result of an increase in a designated risk component that was reasonably possible at the end of the reporting period. Excludes defined benefit plan obligations.", "label": "Increase Decrease In Net Earnings Due To Reasonably Possible Increase In Designated Risk Component", "terseLabel": "Increase (decrease) in net earnings due possible increase in risk assumption" } } }, "localname": "IncreaseDecreaseInNetEarningsDueToReasonablyPossibleIncreaseInDesignatedRiskComponent", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementCurrencyRiskDetails" ], "xbrltype": "monetaryItemType" }, "nmg_IncreaseDecreaseInSharesThroughConversionOfConvertibleInstrumentsEquity": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in shares resulting from the conversion of convertible instruments.", "label": "Increase (Decrease) In Shares Through Conversion Of Convertible Instruments, Equity", "terseLabel": "Conversion of 2020 Convertible Note (in shares)", "verboseLabel": "Shares issued for conversion of 2020 Convertible Note" } } }, "localname": "IncreaseDecreaseInSharesThroughConversionOfConvertibleInstrumentsEquity", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "sharesItemType" }, "nmg_IncreaseDecreaseInSharesThroughExerciseOfOptionsEquity": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in shares resulting from the exercise of options.", "label": "Increase (Decrease) In Shares Through Exercise of Options, Equity", "terseLabel": "Options exercised (in shares)", "verboseLabel": "Options exercised" } } }, "localname": "IncreaseDecreaseInSharesThroughExerciseOfOptionsEquity", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "sharesItemType" }, "nmg_IncreaseDecreaseInSharesThroughExerciseOfWarrantsEquity": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in shares resulting from the exercise of warrants.", "label": "Increase (Decrease) In Shares Through Exercise of Warrants, Equity", "terseLabel": "Warrants exercised (in shares)", "verboseLabel": "Warrants exercised" } } }, "localname": "IncreaseDecreaseInSharesThroughExerciseOfWarrantsEquity", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "sharesItemType" }, "nmg_IncreaseDecreaseInSharesThroughExpirationOfWarrantsEquity": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in shares resulting from the expiration of warrants.", "label": "Increase (Decrease) In Shares Through Expiration of Warrants, Equity", "terseLabel": "Warrants expired (in shares)" } } }, "localname": "IncreaseDecreaseInSharesThroughExpirationOfWarrantsEquity", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "sharesItemType" }, "nmg_IncreaseDecreaseInSharesThroughInterestPaymentsEquity": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in shares through issuance of shares for interest payments.", "label": "Increase (Decrease) In Shares Through Interest Payments, Equity", "terseLabel": "Shares issued for interest payment (in shares)", "verboseLabel": "Shares issued for interest payment" } } }, "localname": "IncreaseDecreaseInSharesThroughInterestPaymentsEquity", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "sharesItemType" }, "nmg_IncreaseDecreaseInSharesThroughShareBasedCompensationEquity": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in shares through issuance of shares for share-based compensation.", "label": "Increase (Decrease) In Shares Through Share-Based Compensation, Equity", "terseLabel": "Share based compensation" } } }, "localname": "IncreaseDecreaseInSharesThroughShareBasedCompensationEquity", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails" ], "xbrltype": "sharesItemType" }, "nmg_IncreaseDecreaseSharesThroughShareBasedPaymentTransactionsEquity": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of shares increase (decrease) through share-based payment transactions, equity.", "label": "Increase (Decrease) Shares Through Share-based Payment Transactions, Equity", "terseLabel": "Share-based compensation (in shares)" } } }, "localname": "IncreaseDecreaseSharesThroughShareBasedPaymentTransactionsEquity", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "sharesItemType" }, "nmg_IncreaseDecreaseThroughSettlementOfInterestOnConvertibleInstruments": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in equity resulting from settlement of interest in convertible instruments.", "label": "Increase Decrease Through Settlement of Interest on Convertible Instruments", "terseLabel": "Settlement of interests on 2022 Convertible Note" } } }, "localname": "IncreaseDecreaseThroughSettlementOfInterestOnConvertibleInstruments", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "monetaryItemType" }, "nmg_IncreaseInNetFinancialExpenseDueToIncreaseInInterestRate": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of increase in net financial expense due to increase in interest rate.", "label": "Increase in Net Financial Expense due to Increase in Interest Rate", "terseLabel": "Increase in net financial expense" } } }, "localname": "IncreaseInNetFinancialExpenseDueToIncreaseInInterestRate", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementInterestRateRiskDetails" ], "xbrltype": "monetaryItemType" }, "nmg_InterestAccretionOnDebtInstruments": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of interst accretion on debt instruments.", "label": "Interest Accretion on Debt Instruments", "terseLabel": "Interest accretion", "verboseLabel": "Accretion expense" } } }, "localname": "InterestAccretionOnDebtInstruments", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotes2020ConvertibleNoteWithPallinghurstDetails", "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails" ], "xbrltype": "monetaryItemType" }, "nmg_InterestCapitalizedBorrowings": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of interest capitalized on borrowings.", "label": "Interest Capitalized, Borrowings", "terseLabel": "Interest" } } }, "localname": "InterestCapitalizedBorrowings", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsDetails" ], "xbrltype": "monetaryItemType" }, "nmg_IntrestOfCommissions": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of commissions recevied.", "label": "Intrest of commissions", "verboseLabel": "commissions expenses" } } }, "localname": "IntrestOfCommissions", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails" ], "xbrltype": "monetaryItemType" }, "nmg_InvestissementQuebecMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Investissement Quebec.", "label": "Investissement Quebec" } } }, "localname": "InvestissementQuebecMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails", "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails", "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "nmg_InvestmentTaxCreditCarryovers": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of the investment tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.", "label": "Investment Tax Credit Carryovers", "terseLabel": "Investment tax credit carryovers" } } }, "localname": "InvestmentTaxCreditCarryovers", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesAccumulatedNonCapitalLossesForTaxPurposesDetails" ], "xbrltype": "monetaryItemType" }, "nmg_InvestmentsAccountedForUsingEquityMethodsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for investment listed shares", "label": "Investments accounted for using equity methods [member]", "terseLabel": "Investment - Listed shares" } } }, "localname": "InvestmentsAccountedForUsingEquityMethodsMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementFinancialInstrumentsDetails" ], "xbrltype": "domainItemType" }, "nmg_InvestmentsInListedSharesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "INVESTMENTS - LISTED SHARES" } } }, "localname": "InvestmentsInListedSharesAbstract", "nsuri": "http://www.nouveaumonde.com/20221231", "xbrltype": "stringItemType" }, "nmg_IssuanceOfDebtInstruments": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of debt insttuments issued.", "label": "Issuance of Debt Instruments", "terseLabel": "Issuance" } } }, "localname": "IssuanceOfDebtInstruments", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails" ], "xbrltype": "monetaryItemType" }, "nmg_IssueOfSharesDuringPeriodEquity": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The increase in shares through the issue of equity instruments.", "label": "Issue Of Shares During The Period, Equity", "terseLabel": "Shares issued from placements (in shares)", "verboseLabel": "Shares issued from offering" } } }, "localname": "IssueOfSharesDuringPeriodEquity", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails", "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfChangesInEquity" ], "xbrltype": "sharesItemType" }, "nmg_ItemsNotAffectingCashAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "Items Not Affecting Cash [Abstract]", "terseLabel": "Items not affecting cash" } } }, "localname": "ItemsNotAffectingCashAbstract", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationDetails" ], "xbrltype": "stringItemType" }, "nmg_KeyManagementPersonnelCompensationAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "Key Management Personnel Compensation [Abstract]", "terseLabel": "Key management personnel of the Company" } } }, "localname": "KeyManagementPersonnelCompensationAbstract", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "stringItemType" }, "nmg_LacGueretPropertyMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Lac Gueret property.", "label": "Lac Gueret Property [Member]", "terseLabel": "Lac Gueret property" } } }, "localname": "LacGueretPropertyMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureInvestmentsListedSharesDetails" ], "xbrltype": "domainItemType" }, "nmg_LaterThanTwoYearsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for a time band of later than two years.", "label": "more than 24 months" } } }, "localname": "LaterThanTwoYearsMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementLiquidityRiskDetails" ], "xbrltype": "domainItemType" }, "nmg_LeaseLiabilitiesTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for lease liabilities.", "label": "Lease Liabilities [Text Block]", "terseLabel": "LEASE LIABILITIES" } } }, "localname": "LeaseLiabilitiesTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureLeaseLiabilities" ], "xbrltype": "textBlockItemType" }, "nmg_LeaseOfAssetsTerm": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the assets of lease of term.", "label": "Lease Of Assets Term", "terseLabel": "Lease of assets term" } } }, "localname": "LeaseOfAssetsTerm", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureLeaseLiabilitiesDetails" ], "xbrltype": "durationItemType" }, "nmg_Loanvalue": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of loan value.", "label": "Loan Value", "terseLabel": "Loan value" } } }, "localname": "Loanvalue", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_MasonGraphiteIncMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Mason Graphite inc.", "label": "Mason Graphite Inc [Member]", "terseLabel": "Mason" } } }, "localname": "MasonGraphiteIncMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureInvestmentsListedSharesDetails" ], "xbrltype": "domainItemType" }, "nmg_MataWinieMineProjectPolicyTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The policy text block for matawinie mine project.", "label": "Mata Winie Mine Project [Policy Text Block]", "terseLabel": "MATAWINIE MINE PROJECT" } } }, "localname": "MataWinieMineProjectPolicyTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "nmg_MatawinieMineProjectExpensesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Matawinie Mine Project expenses.", "label": "Matawinie Mine Project Expenses" } } }, "localname": "MatawinieMineProjectExpensesMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalSegmentInformationDetails" ], "xbrltype": "domainItemType" }, "nmg_MaximumAmountOfRaisingFunds": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Represents the maximum amount of funds raised.", "label": "Maximum Amount Of Raising Funds", "terseLabel": "Maximum amount of Raising funds" } } }, "localname": "MaximumAmountOfRaisingFunds", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureNatureOfOperationsAndGoingConcernDetails" ], "xbrltype": "monetaryItemType" }, "nmg_MaximumAmountOfferAndSaleOfSharesUnderAtmOffering": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The maximum amount of offer and sale of share under ATM offering.", "label": "Maximum Amount Offer and Sale of Shares under ATM Offering", "terseLabel": "Maximum amount of offer and sale of shares under ATM offering" } } }, "localname": "MaximumAmountOfferAndSaleOfSharesUnderAtmOffering", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails" ], "xbrltype": "monetaryItemType" }, "nmg_MinimumPaymentsOfFutureCommitmentCashFlow": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of Minimum Payments Of Future Commitment Cash Flow.", "label": "Minimum Payments Of Future Commitment Cash Flow", "terseLabel": "Minimum payment" } } }, "localname": "MinimumPaymentsOfFutureCommitmentCashFlow", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureCommitmentsDetails" ], "xbrltype": "monetaryItemType" }, "nmg_NatureofoperationsandliquidityriskAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The nature of operating and liquidity risk abstract.", "label": "NATURE OF OPERATIONS AND GOING CONCERN" } } }, "localname": "NatureofoperationsandliquidityriskAbstract", "nsuri": "http://www.nouveaumonde.com/20221231", "xbrltype": "stringItemType" }, "nmg_Newborrowing": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of new borrowing.", "label": "New Borrowing", "terseLabel": "New borrowing" } } }, "localname": "Newborrowing", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsDetails" ], "xbrltype": "monetaryItemType" }, "nmg_NonCapitalLossesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for non-capital losses.", "label": "Non-capital losses [Member]", "terseLabel": "Non-capital losses" } } }, "localname": "NonCapitalLossesMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesAndUnusedTaxLossesForWhichCompanyHasNotRecognizedDeferredTaxAssetsDetails" ], "xbrltype": "domainItemType" }, "nmg_NumberOfAdditionalSharesIssuedDuringPeriod": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of additional new stock issued during the period.", "label": "Number of Additional Shares Issued During period", "terseLabel": "Number of additional shares issued" } } }, "localname": "NumberOfAdditionalSharesIssuedDuringPeriod", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails" ], "xbrltype": "sharesItemType" }, "nmg_NumberOfCommonSharesSubscribed": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of common shares subscribed or invested.", "label": "Number of Common Shares Subscribed", "terseLabel": "Number of shares subscribed" } } }, "localname": "NumberOfCommonSharesSubscribed", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureInvestmentsListedSharesDetails" ], "xbrltype": "sharesItemType" }, "nmg_NumberOfOptionsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "Number of Options [Abstract]", "terseLabel": "Number of Options" } } }, "localname": "NumberOfOptionsAbstract", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "stringItemType" }, "nmg_NumberOfShareOptionsCancelledInShareBasedPaymentArrangement": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of share options cancelled in a share-based payment arrangement.", "label": "Number Of Share Options Cancelled In Share based Payment Arrangement", "negatedLabel": "Cancelled" } } }, "localname": "NumberOfShareOptionsCancelledInShareBasedPaymentArrangement", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "decimalItemType" }, "nmg_NumberOfSharesSubscribedForOneOption": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the number of shares subscribed for each option.", "label": "Number of Shares Subscribed for One Option", "terseLabel": "Number of shares subscribed for each option" } } }, "localname": "NumberOfSharesSubscribedForOneOption", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "sharesItemType" }, "nmg_NumberOfTradingDaysConsideredForVolumeWeightedAveragePriceOfSharesOnTsxv": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of trading days for VWAP of shares on TSXV.", "label": "Number of Trading Days Considered for Volume-Weighted Average Price of Shares on TSXV", "terseLabel": "Number of trading days for VWAP of shares on TSXV" } } }, "localname": "NumberOfTradingDaysConsideredForVolumeWeightedAveragePriceOfSharesOnTsxv", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureInvestmentsListedSharesDetails" ], "xbrltype": "durationItemType" }, "nmg_NumberOfWarrantsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "Number of Warrants [Abstract]", "terseLabel": "Number" } } }, "localname": "NumberOfWarrantsAbstract", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityWarrantsDetails" ], "xbrltype": "stringItemType" }, "nmg_NumberOfWarrantsExercised": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of warrants exercised.", "label": "Number of Warrants Exercised", "negatedLabel": "Exercised" } } }, "localname": "NumberOfWarrantsExercised", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityWarrantsDetails" ], "xbrltype": "sharesItemType" }, "nmg_NumberOfWarrantsExpired": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of warrants expired.", "label": "Number of Warrants Expired", "negatedLabel": "Expired" } } }, "localname": "NumberOfWarrantsExpired", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityWarrantsDetails" ], "xbrltype": "sharesItemType" }, "nmg_NumberOfWarrantsIssued": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of warrants issued.", "label": "Number of Warrants Issued", "terseLabel": "Issued" } } }, "localname": "NumberOfWarrantsIssued", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityWarrantsDetails" ], "xbrltype": "sharesItemType" }, "nmg_NumberOfWarrantsOutstanding": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of warrants outstanding.", "label": "Number of Warrants Outstanding", "periodEndLabel": "Ending balance", "periodStartLabel": "Opening balance" } } }, "localname": "NumberOfWarrantsOutstanding", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityWarrantsDetails" ], "xbrltype": "sharesItemType" }, "nmg_OtherMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for other.", "label": "Other [Member]", "terseLabel": "Other" } } }, "localname": "OtherMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesAndUnusedTaxLossesForWhichCompanyHasNotRecognizedDeferredTaxAssetsDetails" ], "xbrltype": "domainItemType" }, "nmg_PallinghurstMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Pallinghurst.", "label": "Pallinghurst" } } }, "localname": "PallinghurstMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails", "http://www.nouveaumonde.com/role/DisclosureConvertibleNotes2020ConvertibleNoteWithPallinghurstDetails", "http://www.nouveaumonde.com/role/DisclosureEquityShareCapitalDetails", "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "nmg_PaymentsForInvestmentsInListedShares": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "NA", "label": "Payments for Investments in Listed Shares", "negatedLabel": "Investment made in listed shares" } } }, "localname": "PaymentsForInvestmentsInListedShares", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "nmg_PaymentsForRestrictedCashDeposits": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "NA", "label": "Payments for Restricted Cash Deposits", "negatedLabel": "Restricted cash and deposits" } } }, "localname": "PaymentsForRestrictedCashDeposits", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "nmg_PercentageOfContributionOfNetFuturePositiveCashFlowAfterTaxesToMunicipality": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the percentage of interest accrual.", "label": "Percentage of contribution of net future positive cash flow after taxes to the municipality", "terseLabel": "Percentage of contribution of net future positive cash flow after taxes to municipality" } } }, "localname": "PercentageOfContributionOfNetFuturePositiveCashFlowAfterTaxesToMunicipality", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureCommitmentsDetails" ], "xbrltype": "percentItemType" }, "nmg_PercentageOfCostOfIssueOfLoans": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Percentage of cost of issue of loans.", "label": "Percentage of Cost Of Issue Of Loans", "terseLabel": "Percentage of cost of issue of loans" } } }, "localname": "PercentageOfCostOfIssueOfLoans", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails" ], "xbrltype": "percentItemType" }, "nmg_PercentageOfIncreaseInInitialCommitment": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the percentage of increase in initial commitment.", "label": "Percentage of Increase In Initial Commitment", "terseLabel": "Increase in initial commitment (in percent)" } } }, "localname": "PercentageOfIncreaseInInitialCommitment", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGrantsReceivableAndOtherCurrentAssetsDetails" ], "xbrltype": "percentItemType" }, "nmg_PercentageOfIncreaseInInterestRate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Percentage of increase in interest rate.", "label": "Percentage of Increase in Interest Rate", "terseLabel": "Increase in interest rate (percent)" } } }, "localname": "PercentageOfIncreaseInInterestRate", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementInterestRateRiskDetails" ], "xbrltype": "percentItemType" }, "nmg_PercentageOfInterestAccrual": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the percentage of interest accrual.", "label": "Percentage of Interest Accrual", "terseLabel": "Percentage of interest accrual" } } }, "localname": "PercentageOfInterestAccrual", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureCommitmentsDetails" ], "xbrltype": "percentItemType" }, "nmg_PercentageOfInterestOnIssuedAndOutstandingCommonShares": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the percentage of interest on issued and outstanding common shares.", "label": "Percentage of Interest on Issued and Outstanding Common Shares", "terseLabel": "Percentage of interest on issued and outstanding common shares" } } }, "localname": "PercentageOfInterestOnIssuedAndOutstandingCommonShares", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetails" ], "xbrltype": "percentItemType" }, "nmg_PercentageOfNsrBoughtBack": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the percentage of NSR bought back.", "label": "Percentage Of NSR Bought Back", "terseLabel": "Percentage of NSR bought back" } } }, "localname": "PercentageOfNsrBoughtBack", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentAdditionalInformationDetails" ], "xbrltype": "percentItemType" }, "nmg_PercentageOfNsrOnProperty": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the percentage of NSR on property.", "label": "Percentage of NSR on Property", "terseLabel": "Percentage of NSR" } } }, "localname": "PercentageOfNsrOnProperty", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureCommitmentsDetails" ], "xbrltype": "percentItemType" }, "nmg_PercentageOfPropertyAgreedToAcquire": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Percentage of property agree to acquire as per agreement.", "label": "Percentage of Property Agreed to Acquire", "terseLabel": "Percentage of property agreed to acquire" } } }, "localname": "PercentageOfPropertyAgreedToAcquire", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureInvestmentsListedSharesDetails" ], "xbrltype": "percentItemType" }, "nmg_PercentageOfReasonablyPossibleDecreaseInRiskAssumption": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The reasonably possible percentage of the decrease in the designated risk component used to determine the value of the financial instrument. Excludes defined benefit plan obligations.", "label": "Percentage Of Reasonably Possible Decrease In Risk Assumption", "terseLabel": "Percentage of decrease in risk assumption" } } }, "localname": "PercentageOfReasonablyPossibleDecreaseInRiskAssumption", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementCurrencyRiskDetails" ], "xbrltype": "percentItemType" }, "nmg_PercentageOfReasonablyPossibleIncreaseInRiskAssumption": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The reasonably possible percentage of the increase in the designated risk component used to determine the value of the financial instrument. Excludes defined benefit plan obligations.", "label": "Percentage Of Reasonably Possible Increase In Risk Assumption", "terseLabel": "Percentage of increase in risk assumption" } } }, "localname": "PercentageOfReasonablyPossibleIncreaseInRiskAssumption", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementCurrencyRiskDetails" ], "xbrltype": "percentItemType" }, "nmg_PercentageOfRoyaltyBuyBackRight": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the percentage of royalty buy back right.", "label": "Percentage of Royalty Buy Back Right", "terseLabel": "Percentage of royalty buy back right" } } }, "localname": "PercentageOfRoyaltyBuyBackRight", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureCommitmentsDetails" ], "xbrltype": "percentItemType" }, "nmg_PercentageOfRoyaltyInterestAccruedRate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the percentage of royalty accrued interest rate.", "label": "Percentage of Royalty Interest Accrued rate", "terseLabel": "Percentage of royalty interest rate" } } }, "localname": "PercentageOfRoyaltyInterestAccruedRate", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureCommitmentsDetails" ], "xbrltype": "percentItemType" }, "nmg_PercentageOfRoyaltyIssued": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the percentage of royalty issued.", "label": "Percentage Of Royalty Issued", "terseLabel": "Percentage of royalty issued" } } }, "localname": "PercentageOfRoyaltyIssued", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails" ], "xbrltype": "percentItemType" }, "nmg_PercentageOfShareOptionsGrantedInShareBasedPaymentArrangement": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Percentage Of share options granted in share-based payment arrangement", "label": "Percentage Of share options granted in share-based payment arrangement", "terseLabel": "Total options to be granted" } } }, "localname": "PercentageOfShareOptionsGrantedInShareBasedPaymentArrangement", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "pureItemType" }, "nmg_PeriodOfRoyaltyForSubjectToOnePercentBuyBackRoyaltyRight": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the period of royalty for subject to once percent buy back royalty.", "label": "Period of Royalty for Subject to One Percent Buy Back Royalty Right", "terseLabel": "Period of royalty for subject to 1% royalty buy back right" } } }, "localname": "PeriodOfRoyaltyForSubjectToOnePercentBuyBackRoyaltyRight", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureCommitmentsDetails" ], "xbrltype": "durationItemType" }, "nmg_PreliminaryEconomicAssessment": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of preliminary economic assessment expense on property.", "label": "Preliminary Economic Assessment", "terseLabel": "Preliminary economic assessment expense" } } }, "localname": "PreliminaryEconomicAssessment", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureInvestmentsListedSharesDetails" ], "xbrltype": "monetaryItemType" }, "nmg_PriceOfRoyaltyBuyBackRight": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Represents the price of royalty buy back right.", "label": "Price of Royalty Buy Back Right", "terseLabel": "Price of royalty buy back right" } } }, "localname": "PriceOfRoyaltyBuyBackRight", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureCommitmentsDetails" ], "xbrltype": "monetaryItemType" }, "nmg_PriceOfTrancheToBePurchased": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Represents the price of tranche to be purchased.", "label": "Price of Tranche to be Purchased", "terseLabel": "Amount of purchase price of tranche" } } }, "localname": "PriceOfTrancheToBePurchased", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureCommitmentsDetails" ], "xbrltype": "monetaryItemType" }, "nmg_ProceedsFromBorrowingsNetOfIssuanceCosts": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The cash inflow from borrowings net of issuance costs.", "label": "Proceeds From Borrowings Net of Issuance Costs", "terseLabel": "Proceeds from borrowings, net of issue costs" } } }, "localname": "ProceedsFromBorrowingsNetOfIssuanceCosts", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "nmg_ProceedsFromConvertibleBondNetOfIssuanceCosts": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The cash inflow from convertible bond net of issuance costs.", "label": "Proceeds From Convertible Bond Net of Issuance Costs", "terseLabel": "Proceeds from convertible notes, net of issue costs" } } }, "localname": "ProceedsFromConvertibleBondNetOfIssuanceCosts", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "nmg_PropertyAndEquipmentIncludedInAccountsPayableAndAccruedLiabilities": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of property and equipment included in accounts payable and accrued liabilities in non-cash activities.", "label": "Property And Equipment Included In Accounts Payable And Accrued Liabilities", "terseLabel": "Property, plant and equipment included in accounts payable and accrued liabilities" } } }, "localname": "PropertyAndEquipmentIncludedInAccountsPayableAndAccruedLiabilities", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_PropertyAndEquipmentMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for property and equipment.", "label": "Property and equipment [Member]", "terseLabel": "Property and equipment" } } }, "localname": "PropertyAndEquipmentMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesAndUnusedTaxLossesForWhichCompanyHasNotRecognizedDeferredTaxAssetsDetails" ], "xbrltype": "domainItemType" }, "nmg_PropertyPlantAndEquipmentNetOfGrantsReceived": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of property, plant and equipment net of grants received.", "label": "Property Plant And Equipment Net of Grants Received", "terseLabel": "Amount of PPE net of grants received" } } }, "localname": "PropertyPlantAndEquipmentNetOfGrantsReceived", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_RemeasurementOfLeasesRightOfUseAssets": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of remeasurement of right-of-use assets.", "label": "Remeasurement of Leases, Right of Use Assets", "terseLabel": "Remeasurement of lease" } } }, "localname": "RemeasurementOfLeasesRightOfUseAssets", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsDetails" ], "xbrltype": "monetaryItemType" }, "nmg_RepaymentOfBorrowingsAndLeaseLiabilities": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The cash outflow to settle borrowings and lease liabilities, classified as financing activities.", "label": "Repayment of Borrowings and Lease Liabilities", "negatedLabel": "Repayment of borrowings and lease liabilities" } } }, "localname": "RepaymentOfBorrowingsAndLeaseLiabilities", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "nmg_ResearchAndDevelopmentExpensesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for research and development expenses.", "label": "Research and development expenses [Member]", "terseLabel": "Research and development expenses" } } }, "localname": "ResearchAndDevelopmentExpensesMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesAndUnusedTaxLossesForWhichCompanyHasNotRecognizedDeferredTaxAssetsDetails" ], "xbrltype": "domainItemType" }, "nmg_RightOfUseAssetsLeaseTerm": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the lease term of right-of use assets.", "label": "Right of Use Assets, Lease Term", "terseLabel": "Lease term (in years)" } } }, "localname": "RightOfUseAssetsLeaseTerm", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsDetails" ], "xbrltype": "durationItemType" }, "nmg_RollingStockMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for rolling stock.", "label": "Rolling stocks [member]", "terseLabel": "Rolling Stock" } } }, "localname": "RollingStockMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsDetails", "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPropertyAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "nmg_SaintMichelDesSaintsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for saint-michel-des-saints.", "label": "Saint-Michel-des-Saints [Member]" } } }, "localname": "SaintMichelDesSaintsMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGrantsReceivableAndOtherCurrentAssetsDetails" ], "xbrltype": "domainItemType" }, "nmg_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The tabular disclosure of accounts payable and accrued liabilities.", "label": "Schedule of Accounts payable and Accrued Liabilities [Table Text Block]", "terseLabel": "Schedule of accounts payable and accrued liabilities" } } }, "localname": "ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAccountsPayablesAndAccruedLiabilitiesTables" ], "xbrltype": "textBlockItemType" }, "nmg_ScheduleOfAccumulatedNonCapitalLossesForTaxPurposesWhichCanBeUsedToReduceTaxableIncomeInFutureYearsTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of accumulated non-capital losses for tax purposes which can be used to reduce taxable income in future years.", "label": "Schedule of Accumulated Non-Capital Losses For Tax Purposes Which Can Be Used To Reduce Taxable Income In Future Years [Table Text Block]", "terseLabel": "Schedule of accumulated non-capital losses for tax purposes which can be used to reduce taxable income in future years" } } }, "localname": "ScheduleOfAccumulatedNonCapitalLossesForTaxPurposesWhichCanBeUsedToReduceTaxableIncomeInFutureYearsTableTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "nmg_ScheduleOfAdditionalCashFlowInformationTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of additional cash flow information.", "label": "Schedule of Additional Cash Flow Information [Text Block]", "terseLabel": "Schedule of additional ash flow information" } } }, "localname": "ScheduleOfAdditionalCashFlowInformationTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationTables" ], "xbrltype": "textBlockItemType" }, "nmg_ScheduleOfBatteryMaterialPlantProjectExpensesTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The tabular disclosure for battery material plant project expenses.", "label": "Schedule Of Battery Material Plant Project Expenses [Table Text Block]", "terseLabel": "Schedule of battery material plant project expenses" } } }, "localname": "ScheduleOfBatteryMaterialPlantProjectExpensesTableTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesTables" ], "xbrltype": "textBlockItemType" }, "nmg_ScheduleOfCarryingAmountAndMovementsOfRightOfUseAssetTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The tabular disclosure of the carrying amounts of right-of-use assets and the movements.", "label": "Schedule of Carrying Amount and Movements of Right-of Use Asset [Table Text Block]", "terseLabel": "Schedule of carrying amount of Right-of-use assets and the movement" } } }, "localname": "ScheduleOfCarryingAmountAndMovementsOfRightOfUseAssetTableTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsTables" ], "xbrltype": "textBlockItemType" }, "nmg_ScheduleOfChangesInDeferredTaxAssetsAndLiabilitiesTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of changes in deferred tax assets and liabilities.", "label": "Schedule of Changes in Deferred Tax Assets And Liabilities [Table Text Block]", "terseLabel": "Schedule of temporary differences for which the company has recognized deferred tax assets and liabilities" } } }, "localname": "ScheduleOfChangesInDeferredTaxAssetsAndLiabilitiesTableTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "nmg_ScheduleOfExpirationOfIssuedAndExercisableShareOptionsTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The tabular disclosure of expiration of issued and exercisable share options.", "label": "Schedule of Expiration of Issued and Exercisable Share Options [Table Text Block]", "terseLabel": "Schedule of share options issued are exercisable at the closing market price of the common shares on the day prior to their grant" } } }, "localname": "ScheduleOfExpirationOfIssuedAndExercisableShareOptionsTableTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityTables" ], "xbrltype": "textBlockItemType" }, "nmg_ScheduleOfExplorationAndEvaluationExpensesTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Defines Schedule of Exploration And Evaluation Expenses Table", "label": "Schedule of Exploration And Evaluation Expenses [Table Text Block]", "terseLabel": "Schedule of exploration and evaluation expenses" } } }, "localname": "ScheduleOfExplorationAndEvaluationExpensesTableTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesTables" ], "xbrltype": "textBlockItemType" }, "nmg_ScheduleOfFinanceIncomeExpenseTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of net finance cost.", "label": "Schedule of Finance Income (Expense) [Table Text Block]", "terseLabel": "Schedule of net financial costs (income)" } } }, "localname": "ScheduleOfFinanceIncomeExpenseTableTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureNetFinancialCostsIncomeTables" ], "xbrltype": "textBlockItemType" }, "nmg_ScheduleOfFinancialInstrumentsAndClassificationTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of financial instruments and classification.", "label": "Schedule of Financial Instruments and Classification [Table Text Block]", "terseLabel": "Schedule of financial instruments" } } }, "localname": "ScheduleOfFinancialInstrumentsAndClassificationTableTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "nmg_ScheduleOfForeignCurrencyDenominatedMonetaryAssetsAndMonetaryLiabilitiesTabletextblock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of carrying amounts of foreign currency denominated monetary assets and monetary liabilities.", "label": "Schedule Of Foreign Currency Denominated Monetary Assets And Monetary Liabilities [TableTextBlock]", "terseLabel": "Schedule of balances in U.S.dollars held by entities having the Canadian dollar as their functional currency" } } }, "localname": "ScheduleOfForeignCurrencyDenominatedMonetaryAssetsAndMonetaryLiabilitiesTabletextblock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementTables" ], "xbrltype": "textBlockItemType" }, "nmg_ScheduleOfLeaseLiabilitiesTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The disclosure of the carrying amounts of lease liabilities and the movements.", "label": "Schedule of Lease Liabilities [Table Text Block]", "terseLabel": "Schedule of lease liabilities" } } }, "localname": "ScheduleOfLeaseLiabilitiesTableTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureLeaseLiabilitiesTables" ], "xbrltype": "textBlockItemType" }, "nmg_ScheduleOfUsefulLivesOfIntangibleAssetsTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of useful lives of intangible assets.", "label": "Schedule of Useful Lives of Intangible Assets [Table Text Block]", "terseLabel": "Schedule of depreciation rates of intangible assets" } } }, "localname": "ScheduleOfUsefulLivesOfIntangibleAssetsTableTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "nmg_ScheduleOfUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of useful lives of property, plant and equipment.", "label": "Schedule of Useful Lives of Property, Plant and Equipment [Table Text Block]", "terseLabel": "Schedule of depreciation rates of property and equipment" } } }, "localname": "ScheduleOfUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "nmg_ScheduleOfWarrantsTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The tabular disclosure of information pertaining to warrants.", "label": "Schedule of Warrants [Table Text Block]", "terseLabel": "Schedule of warrants" } } }, "localname": "ScheduleOfWarrantsTableTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityTables" ], "xbrltype": "textBlockItemType" }, "nmg_ScheduleofgeneralandadministrativeexpensesTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of information pertaining to general and administrative expenses.", "label": "Schedule Of General And Administrative Expenses [Table Text Block]", "terseLabel": "Schedule of general and administrative expenses" } } }, "localname": "ScheduleofgeneralandadministrativeexpensesTableTextBlock", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGeneralAndAdministrativeExpensesTables" ], "xbrltype": "textBlockItemType" }, "nmg_SecuredAmountOfFinanceInPast": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Represents the secured amount of finance in the past.", "label": "Secured Amount Of Finance In Past", "terseLabel": "Secured amount of finance in past" } } }, "localname": "SecuredAmountOfFinanceInPast", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureNatureOfOperationsAndGoingConcernDetails" ], "xbrltype": "monetaryItemType" }, "nmg_ShareBasedPaymentArrangementAwardVestingNumberOfTranches": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the number of tranches for award vesting in share based payment arrangement.", "label": "Share Based Payment Arrangement, Award Vesting, Number of Tranches", "terseLabel": "Number of tranches" } } }, "localname": "ShareBasedPaymentArrangementAwardVestingNumberOfTranches", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "integerItemType" }, "nmg_ShareIssueCostsIncludedInAccountsPayablesAndAccruedLiabilities": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of share issue costs included in accounts payables and accrued liabilities in non-cash activities.", "label": "Share Issue Costs Included In Accounts Payables And Accrued Liabilities", "terseLabel": "Share issue costs included in accounts payables and accrued liabilities" } } }, "localname": "ShareIssueCostsIncludedInAccountsPayablesAndAccruedLiabilities", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_ShareIssueExpensesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for share issue expenses.", "label": "Share issue expenses [Member]", "terseLabel": "Share issue expenses" } } }, "localname": "ShareIssueExpensesMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesAndUnusedTaxLossesForWhichCompanyHasNotRecognizedDeferredTaxAssetsDetails" ], "xbrltype": "domainItemType" }, "nmg_SharePriceMeasurementInputMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for share price, measurement input.", "label": "Share Price, Measurement Input [Member]", "terseLabel": "Share price" } } }, "localname": "SharePriceMeasurementInputMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesSensitivityAnalysisDetails" ], "xbrltype": "domainItemType" }, "nmg_SharesIssuedForInterestPayment": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of shares issued for interest payment in non-cash activities.", "label": "Shares Issued For Interest Payment", "terseLabel": "Shares issued for interest payment" } } }, "localname": "SharesIssuedForInterestPayment", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAdditionalCashFlowInformationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_SignificantAccountingPoliciesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "SIGNIFICANT ACCOUNTING POLICIES" } } }, "localname": "SignificantAccountingPoliciesAbstract", "nsuri": "http://www.nouveaumonde.com/20221231", "xbrltype": "stringItemType" }, "nmg_SubcontractingExpense": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails": { "order": 6.0, "parentTag": "ifrs-full_OperatingExpense", "weight": 1.0 }, "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails": { "order": 6.0, "parentTag": "ifrs-full_ExpenseArisingFromExplorationForAndEvaluationOfMineralResources", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of geology and drilling expenses.", "label": "Subcontracting Expense", "terseLabel": "Maintenance & Subcontracting" } } }, "localname": "SubcontractingExpense", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails", "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails" ], "xbrltype": "monetaryItemType" }, "nmg_SustainableDevelopmentTechnologyCanadaAgreement1Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for federally funded grant with Sustainable Development Technology Canada (\"SDTC\") agreement 1.", "label": "Sustainable Development Technology Canada Agreement1 [Member]" } } }, "localname": "SustainableDevelopmentTechnologyCanadaAgreement1Member", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGrantsReceivableAndOtherCurrentAssetsDetails" ], "xbrltype": "domainItemType" }, "nmg_SustainableDevelopmentTechnologyCanadaAgreement2Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for federally funded grant with Sustainable Development Technology Canada (\"SDTC\") agreement 2.", "label": "Sustainable Development Technology Canada Agreement 2 [Member]" } } }, "localname": "SustainableDevelopmentTechnologyCanadaAgreement2Member", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGrantsReceivableAndOtherCurrentAssetsDetails" ], "xbrltype": "domainItemType" }, "nmg_SustainableDevelopmentTechnologyCanadaMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for federally funded grant with Sustainable Development Technology Canada (\"SDTC\").", "label": "Sustainable Development Technology Canada [Member]" } } }, "localname": "SustainableDevelopmentTechnologyCanadaMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails", "http://www.nouveaumonde.com/role/DisclosureGrantsReceivableAndOtherCurrentAssetsDetails" ], "xbrltype": "domainItemType" }, "nmg_TaxCredits": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails": { "order": 13.0, "parentTag": "ifrs-full_ExpenseArisingFromExplorationForAndEvaluationOfMineralResources", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of tax credits.", "label": "Tax Credits", "negatedLabel": "Tax credits" } } }, "localname": "TaxCredits", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails" ], "xbrltype": "monetaryItemType" }, "nmg_TaxEffectOfIncreaseDecreaseInIncomeTaxesResultingFromAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "Tax Effect of Increase (Decrease) in Income Taxes Resulting From [Abstract]", "terseLabel": "Increase (decrease) in income taxes resulting from:" } } }, "localname": "TaxEffectOfIncreaseDecreaseInIncomeTaxesResultingFromAbstract", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "stringItemType" }, "nmg_TaxEffectOfNonTaxableMiningDuties": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails": { "order": 2.0, "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount representing the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to non-taxable mining duties.", "label": "Tax Effect of Non-Taxable Mining Duties", "terseLabel": "Non-taxable mining duties" } } }, "localname": "TaxEffectOfNonTaxableMiningDuties", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_TaxEffectOfRenouncedFlowThroughExpenditures": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails": { "order": 3.0, "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount representing the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to tax effect of renounced flow-through expenditures.", "label": "Tax effect of renounced flow-through expenditures", "verboseLabel": "Non-deductible expenses" } } }, "localname": "TaxEffectOfRenouncedFlowThroughExpenditures", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_TaxEffectOfShareBasedPayments": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails": { "order": 5.0, "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount representing the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to share-based payments.", "label": "Tax Effect of Share Based Payments", "terseLabel": "Share-based payments" } } }, "localname": "TaxEffectOfShareBasedPayments", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_TaxEffectOfminingRoyalties": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails": { "order": 4.0, "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "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 relates to mining royalties.", "label": "Tax effect of Mining Royalties", "terseLabel": "Mining royalties" } } }, "localname": "TaxEffectOfminingRoyalties", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "nmg_TaxPeriodAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information about the period subject to enacted tax laws.", "label": "Tax Period [Axis]" } } }, "localname": "TaxPeriodAxis", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesAccumulatedNonCapitalLossesForTaxPurposesDetails" ], "xbrltype": "stringItemType" }, "nmg_TaxPeriodDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Identified tax period.", "label": "Tax Period [Domain]" } } }, "localname": "TaxPeriodDomain", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesAccumulatedNonCapitalLossesForTaxPurposesDetails" ], "xbrltype": "domainItemType" }, "nmg_Taxcredits": { "auth_ref": [], "calculation": { "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails": { "order": 11.0, "parentTag": "ifrs-full_OperatingExpense", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of tax credits.", "label": "TaxCredits", "negatedLabel": "Tax credits" } } }, "localname": "Taxcredits", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails" ], "xbrltype": "monetaryItemType" }, "nmg_TermOfCompletionOfReclamationWork": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Period of completion of reclamation work.", "label": "Term of Completion of Reclamation Work", "terseLabel": "Term of completion of reclamation work (in years)" } } }, "localname": "TermOfCompletionOfReclamationWork", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureAssetRetirementObligationDetails" ], "xbrltype": "durationItemType" }, "nmg_TransitionEnergetiqueQuebecMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Transition energetique Quebec.", "label": "Transition Energetique Quebec [Member]" } } }, "localname": "TransitionEnergetiqueQuebecMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureGrantsReceivableAndOtherCurrentAssetsDetails" ], "xbrltype": "domainItemType" }, "nmg_UnrealizedForeignExchangeLossOnConvertibleNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Unrealized Foreign Exchange Loss on Convertible Notes", "label": "Unrealized Foreign Exchange Loss on Convertible Notes [Member]", "terseLabel": "Unrealized foreign exchange loss on convertible notes" } } }, "localname": "UnrealizedForeignExchangeLossOnConvertibleNotesMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesTemporaryDifferencesAndUnusedTaxLossesForWhichCompanyHasNotRecognizedDeferredTaxAssetsDetails" ], "xbrltype": "domainItemType" }, "nmg_UnsecuredConvertibleNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for unsecured convertible notes.", "label": "Unsecured Convertible Notes", "terseLabel": "Unsecured convertible notes" } } }, "localname": "UnsecuredConvertibleNotesMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureNatureOfOperationsAndGoingConcernDetails", "http://www.nouveaumonde.com/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "nmg_Us50Million2022ConvertibleNotesWithMitsuiPallinghurstAndInvestissementQuebecMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for 2022 - US$50 Million Convertible Notes with Mitsui, Pallinghurst and Investissement Quebec.", "label": "US$50 Million 2022 - Convertible Notes with Mitsui, Pallinghurst and Investissement Quebec [Member]", "terseLabel": "2022 - US$50 million convertible notes with Mitsui, Pallinghurst and Investissement Quebec" } } }, "localname": "Us50Million2022ConvertibleNotesWithMitsuiPallinghurstAndInvestissementQuebecMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails", "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesSensitivityAnalysisDetails" ], "xbrltype": "domainItemType" }, "nmg_ValueOfCommonSharesSubscribed": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of investment made.", "label": "Value of Common Shares Subscribed", "terseLabel": "Value of investment" } } }, "localname": "ValueOfCommonSharesSubscribed", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureInvestmentsListedSharesDetails" ], "xbrltype": "monetaryItemType" }, "nmg_VendorMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for vendor.", "label": "Vendor [Member]" } } }, "localname": "VendorMember", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBorrowingsAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "nmg_WagesAndSubsidiesNetOfGrant": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of wages and subsidies net of grant.", "label": "Wages and Subsidies Net of Grant.", "terseLabel": "Wages and subsidies net of grant" } } }, "localname": "WagesAndSubsidiesNetOfGrant", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureExplorationAndEvaluationExpensesDetails" ], "xbrltype": "monetaryItemType" }, "nmg_Wagesandsubsidiesnetofgrant": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of wages and subsidies net of grant.", "label": "Wages And Subsidies Net Of Grant", "terseLabel": "Wages and subsidies net of grant" } } }, "localname": "Wagesandsubsidiesnetofgrant", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureBatteryMaterialPlantProjectExpensesDetails" ], "xbrltype": "monetaryItemType" }, "nmg_WeightedAverageExercisePriceOfShareOptionsCancelledInShareBasedPaymentArrangement2019": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The weighted average exercise price of share options cancelled in a share-based payment arrangement.", "label": "Weighted Average Exercise Price Of Share Options Cancelled In Share-based Payment Arrangement2019", "terseLabel": "Cancelled (in dollars per share)" } } }, "localname": "WeightedAverageExercisePriceOfShareOptionsCancelledInShareBasedPaymentArrangement2019", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "perShareItemType" }, "nmg_WeightedAverageExercisePriceOfWarrantsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "Weighted Average Exercise Price of Warrants [Abstract]", "terseLabel": "Weighted average exercise price" } } }, "localname": "WeightedAverageExercisePriceOfWarrantsAbstract", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityWarrantsDetails" ], "xbrltype": "stringItemType" }, "nmg_WeightedAverageExercisePriceOfWarrantsExercised": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The weighted average exercise price of warrants exercised.", "label": "Weighted Average Exercise Price of Warrants Exercised", "terseLabel": "Exercised (in dollars per share)" } } }, "localname": "WeightedAverageExercisePriceOfWarrantsExercised", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityWarrantsDetails" ], "xbrltype": "perShareItemType" }, "nmg_WeightedAverageExercisePriceOfWarrantsExpired": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The weighted average exercise price of warrants expired.", "label": "Weighted Average Exercise Price of Warrants Expired", "terseLabel": "Expired (in dollars per share)" } } }, "localname": "WeightedAverageExercisePriceOfWarrantsExpired", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityWarrantsDetails" ], "xbrltype": "perShareItemType" }, "nmg_WeightedAverageExercisePriceOfWarrantsIssued": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The weighted average exercise price of warrants issued.", "label": "Weighted Average Exercise Price of Warrants Issued", "terseLabel": "Issued (in dollars per share)" } } }, "localname": "WeightedAverageExercisePriceOfWarrantsIssued", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityWarrantsDetails" ], "xbrltype": "perShareItemType" }, "nmg_WeightedAverageExercisePriceOfWarrantsOutstanding": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The weighted average exercise price of warrants outstanding.", "label": "Weighted Average Exercise Price of Warrants Outstanding", "periodEndLabel": "Ending balance (in dollars per share)", "periodStartLabel": "Opening balance (in dollars per share)" } } }, "localname": "WeightedAverageExercisePriceOfWarrantsOutstanding", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityWarrantsDetails" ], "xbrltype": "perShareItemType" }, "nmg_WeightedAverageExercisePriceOptionsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "Weighted Average Exercise Price, Options [Abstract]", "terseLabel": "Weighted average exercise price" } } }, "localname": "WeightedAverageExercisePriceOptionsAbstract", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureEquityShareBasedPaymentsDetails" ], "xbrltype": "stringItemType" }, "nmg_WriteOffLeaseLiabilities": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of write-off lease liabilities.", "label": "Write-off Lease Liabilities", "negatedLabel": "Lease write off" } } }, "localname": "WriteOffLeaseLiabilities", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "nmg_Year2011Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Identified as tax year 2011.", "label": "2011" } } }, "localname": "Year2011Member", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesAccumulatedNonCapitalLossesForTaxPurposesDetails" ], "xbrltype": "domainItemType" }, "nmg_Year2012Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Identified as tax year 2012.", "label": "2012" } } }, "localname": "Year2012Member", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesAccumulatedNonCapitalLossesForTaxPurposesDetails" ], "xbrltype": "domainItemType" }, "nmg_Year2013Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Identified as tax year 2013.", "label": "2013" } } }, "localname": "Year2013Member", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesAccumulatedNonCapitalLossesForTaxPurposesDetails" ], "xbrltype": "domainItemType" }, "nmg_Year2014Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Identified as tax year 2014.", "label": "2014" } } }, "localname": "Year2014Member", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesAccumulatedNonCapitalLossesForTaxPurposesDetails" ], "xbrltype": "domainItemType" }, "nmg_Year2015Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Identified as tax year 2015.", "label": "2015" } } }, "localname": "Year2015Member", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesAccumulatedNonCapitalLossesForTaxPurposesDetails" ], "xbrltype": "domainItemType" }, "nmg_Year2016Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Identified as tax year 2016.", "label": "2016" } } }, "localname": "Year2016Member", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesAccumulatedNonCapitalLossesForTaxPurposesDetails" ], "xbrltype": "domainItemType" }, "nmg_Year2017Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Identified as tax year 2017.", "label": "2017" } } }, "localname": "Year2017Member", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesAccumulatedNonCapitalLossesForTaxPurposesDetails" ], "xbrltype": "domainItemType" }, "nmg_Year2018Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Identified as tax year 2018.", "label": "2018" } } }, "localname": "Year2018Member", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesAccumulatedNonCapitalLossesForTaxPurposesDetails" ], "xbrltype": "domainItemType" }, "nmg_Year2019Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Identified as tax year 2019.", "label": "2019" } } }, "localname": "Year2019Member", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesAccumulatedNonCapitalLossesForTaxPurposesDetails" ], "xbrltype": "domainItemType" }, "nmg_Year2020Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Identified as tax year 2020.", "label": "2020" } } }, "localname": "Year2020Member", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesAccumulatedNonCapitalLossesForTaxPurposesDetails" ], "xbrltype": "domainItemType" }, "nmg_Year2021Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Identified as tax year 2021.", "label": "2021" } } }, "localname": "Year2021Member", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesAccumulatedNonCapitalLossesForTaxPurposesDetails" ], "xbrltype": "domainItemType" }, "nmg_Year2022Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Identified as tax year 2022.", "label": "2022" } } }, "localname": "Year2022Member", "nsuri": "http://www.nouveaumonde.com/20221231", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureIncomeTaxesAccumulatedNonCapitalLossesForTaxPurposesDetails" ], "xbrltype": "domainItemType" }, "srt_CounterpartyNameAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Counterparty Name [Axis]" } } }, "localname": "CounterpartyNameAxis", "nsuri": "http://fasb.org/srt/2022", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureInvestmentsListedSharesDetails" ], "xbrltype": "stringItemType" }, "srt_CurrencyAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Currency [Axis]" } } }, "localname": "CurrencyAxis", "nsuri": "http://fasb.org/srt/2022", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureFinancialInstrumentsAndRiskManagementCurrencyRiskDetails" ], "xbrltype": "stringItemType" }, "srt_MaximumMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Maximum [Member]", "terseLabel": "Maximum" } } }, "localname": "MaximumMember", "nsuri": "http://fasb.org/srt/2022", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails", "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsDetails", "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesIntangibleAssetsDetails", "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPropertyAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "srt_MinimumMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Minimum [Member]", "terseLabel": "Minimum" } } }, "localname": "MinimumMember", "nsuri": "http://fasb.org/srt/2022", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureConvertibleNotesDetails", "http://www.nouveaumonde.com/role/DisclosureRightOfUseAssetsDetails", "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesIntangibleAssetsDetails", "http://www.nouveaumonde.com/role/DisclosureSignificantAccountingPoliciesPropertyAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "srt_RepurchaseAgreementCounterpartyNameDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Counterparty Name [Domain]" } } }, "localname": "RepurchaseAgreementCounterpartyNameDomain", "nsuri": "http://fasb.org/srt/2022", "presentation": [ "http://www.nouveaumonde.com/role/DisclosureInvestmentsListedSharesDetails" ], "xbrltype": "domainItemType" } }, "unitCount": 11 } }, "std_ref": { "r0": { "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/2003/role/disclosureRef" }, "r1": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "104", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_104&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": "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" }, "r100": { "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" }, "r101": { "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" }, "r102": { "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" }, "r103": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "12", "Paragraph": "B13", "Subparagraph": "d", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_B13_d&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r104": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "12", "Paragraph": "B13", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_B13_e&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r105": { "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" }, "r106": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "12", "Paragraph": "B4", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_B4_e&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r107": { "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" }, "r108": { "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" }, "r109": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "13", "Paragraph": "93", "Subparagraph": "c", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2022-en-r&anchor=para_93_c&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r11": { "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" }, "r110": { "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" }, "r111": { "Clause": "iv", "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_iv&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": "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" }, "r113": { "Clause": "ii", "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_ii&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r114": { "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/2003/role/disclosureRef" }, "r115": { "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" }, "r116": { "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" }, "r117": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "15", "Paragraph": "115", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2022-en-r&anchor=para_115&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r118": { "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" }, "r119": { "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" }, "r12": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "54", "Subparagraph": "n", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_54_n&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r120": { "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" }, "r121": { "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" }, "r122": { "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" }, "r123": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "16", "Paragraph": "53", "Subparagraph": "g", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_53_g&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": "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" }, "r125": { "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" }, "r126": { "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" }, "r127": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "16", "Paragraph": "58", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_58&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r128": { "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" }, "r129": { "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" }, "r13": { "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" }, "r130": { "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" }, "r131": { "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" }, "r132": { "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" }, "r133": { "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" }, "r134": { "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" }, "r135": { "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" }, "r136": { "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" }, "r137": { "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" }, "r138": { "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" }, "r139": { "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" }, "r14": { "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" }, "r140": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "2", "Paragraph": "45", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_45&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r141": { "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" }, "r142": { "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&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r143": { "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" }, "r144": { "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" }, "r145": { "Clause": "i", "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "5", "Paragraph": "33", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2022-en-r&anchor=para_33_b_i&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r146": { "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" }, "r147": { "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" }, "r148": { "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" }, "r149": { "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" }, "r15": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "61", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_61_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r150": { "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" }, "r151": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "25", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&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" }, "r152": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "28", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_28_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", "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" }, "r159": { "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" }, "r16": { "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" }, "r160": { "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" }, "r161": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "39", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_39_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r162": { "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" }, "r163": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "42I", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_42I&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r164": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "6", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_6&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": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_8_a&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": "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" }, "r168": { "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" }, "r169": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "8", "Subparagraph": "g", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_8_g&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r17": { "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" }, "r170": { "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" }, "r171": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "B52", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_B52&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r172": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "B8", "Subparagraph": "c", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_B8_c&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r173": { "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" }, "r174": { "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" }, "r175": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "8", "Paragraph": "23", "Subparagraph": "c", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_23_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": "23", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_23_e&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r177": { "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" }, "r178": { "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" }, "r179": { "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" }, "r18": { "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" }, "r180": { "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" }, "r181": { "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" }, "r182": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "8", "Paragraph": "28", "Subparagraph": "e", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_28_e&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r183": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "8", "Paragraph": "28", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_28&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r184": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "8", "Paragraph": "33", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_33_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r185": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "8", "Paragraph": "33", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_33_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r186": { "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" }, "r187": { "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" }, "r188": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "9", "Paragraph": "7.2.34", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2022-en-r&anchor=para_7.2.34&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r189": { "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" }, "r19": { "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" }, "r190": { "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" }, "r191": { "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" }, "r192": { "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" }, "r193": { "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" }, "r194": { "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" }, "r195": { "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" }, "r196": { "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" }, "r197": { "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" }, "r198": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "C32", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2022-en-r&anchor=para_C32&doctype=Appendix&subtype=C", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r199": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "9", "Paragraph": "7.2.42", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2022-en-r&anchor=para_7.2.42&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "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": "78", "Subparagraph": "d", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_78_d&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r200": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Effective on first application of IFRS 9", "Number": "4", "Paragraph": "39L", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2022-en-b&anchor=para_39L_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r201": { "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" }, "r202": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "7", "Paragraph": "8", "Subparagraph": "f", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_8_f&doctype=Standard&book=b", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r203": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "102", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_102&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r204": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "103", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_103&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r205": { "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" }, "r206": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "70", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_70&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r207": { "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" }, "r208": { "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" }, "r209": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "16", "Paragraph": "37", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_37_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r21": { "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" }, "r210": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "16", "Paragraph": "37", "Subparagraph": "g", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_37_g&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r211": { "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" }, "r212": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "19", "Paragraph": "138", "Subparagraph": "d", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_138_d&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r213": { "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" }, "r214": { "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" }, "r215": { "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" }, "r216": { "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" }, "r217": { "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" }, "r218": { "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" }, "r219": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "17", "Subparagraph": "c", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_17_c&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r22": { "Clause": "iii", "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_iii&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r220": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "17", "Subparagraph": "d", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_17_d&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r221": { "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" }, "r222": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "44C", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_44C&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r223": { "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" }, "r224": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Section": "C Reconciliation of liabilities arising from financing activities", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&doctype=Illustrative%20Examples&dita_xref=IAS07_IE_C__IAS07_IE_C_TI", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r225": { "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" }, "r226": { "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" }, "r227": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "13", "Paragraph": "B36", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2022-en-r&anchor=para_B36_b&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r228": { "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" }, "r229": { "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" }, "r23": { "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" }, "r230": { "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" }, "r231": { "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" }, "r232": { "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" }, "r233": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "35N", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_35N&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r234": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "6", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_6&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r235": { "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" }, "r236": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "B11D", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_B11D_a&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r237": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "B11D", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_B11D&doctype=Appendix&subtype=B", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r238": { "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" }, "r239": { "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" }, "r24": { "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" }, "r240": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "IG40B", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_IG40B&doctype=Implementation%20Guidance", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r241": { "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/exampleRef" }, "r242": { "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/exampleRef" }, "r243": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "8", "Paragraph": "28", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_28&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r244": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "8", "Paragraph": "IG4", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_IG4&doctype=Implementation%20Guidance", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r245": { "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" }, "r246": { "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" }, "r247": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "96", "Subparagraph": "c", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2022-en-r&anchor=para_96_c&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r248": { "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" }, "r249": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "7", "Paragraph": "37", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_37_a&doctype=Standard&book=b", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r25": { "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" }, "r250": { "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" }, "r251": { "IssueDate": "2022-03-24", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "7", "Paragraph": "IG28", "Subparagraph": "d", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_IG28_d&doctype=Implementation%20Guidance&book=b", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r252": { "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" }, "r253": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r254": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r255": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b-2", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r256": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "d1-1", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r257": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "g", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r258": { "Name": "Form 10-K", "Number": "249", "Publisher": "SEC", "Section": "310", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r259": { "Name": "Form 20-F", "Number": "249", "Publisher": "SEC", "Section": "220", "Subsection": "f", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r26": { "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" }, "r260": { "Name": "Form 40-F", "Number": "249", "Publisher": "SEC", "Section": "240", "Subsection": "f", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r261": { "Name": "Regulation S-T", "Number": "232", "Publisher": "SEC", "Section": "405", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r262": { "Name": "Securities Act", "Number": "230", "Publisher": "SEC", "Section": "405", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r263": { "Name": "Securities Act", "Number": "7A", "Publisher": "SEC", "Section": "B", "Subsection": "2", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r264": { "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" }, "r265": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "104", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_104&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r266": { "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" }, "r267": { "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" }, "r268": { "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" }, "r269": { "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" }, "r27": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "82", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_82_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r270": { "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/2009/role/commonPracticeRef" }, "r271": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "78", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_78&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r272": { "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" }, "r273": { "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" }, "r274": { "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/2009/role/commonPracticeRef" }, "r275": { "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/2009/role/commonPracticeRef" }, "r276": { "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" }, "r277": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "20", "Paragraph": "28", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=20&code=ifrs-tx-2022-en-r&anchor=para_28&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r278": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "20", "Paragraph": "39", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=20&code=ifrs-tx-2022-en-r&anchor=para_39_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r279": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "33", "Paragraph": "70", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2022-en-r&anchor=para_70_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r28": { "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" }, "r280": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "33", "Paragraph": "A14", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2022-en-r&anchor=para_A14&doctype=Appendix&subtype=A", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r281": { "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/2009/role/commonPracticeRef" }, "r282": { "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/2009/role/commonPracticeRef" }, "r283": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "38", "Paragraph": "119", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2022-en-r&anchor=para_119&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r284": { "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/2009/role/commonPracticeRef" }, "r285": { "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/2009/role/commonPracticeRef" }, "r286": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "14", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_14&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r287": { "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" }, "r288": { "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" }, "r289": { "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" }, "r29": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "90", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_90&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r290": { "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" }, "r291": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "31", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_31&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r292": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "35", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_35&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r293": { "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" }, "r294": { "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/2009/role/commonPracticeRef" }, "r295": { "Clause": "ii", "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_ii&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r296": { "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" }, "r297": { "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "7", "Paragraph": "39", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_39&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r298": { "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" }, "r299": { "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" }, "r3": { "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" }, "r30": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "98", "Subparagraph": "f", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_98_f&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r300": { "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" }, "r301": { "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" }, "r302": { "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" }, "r31": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "98", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_98&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r32": { "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" }, "r33": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "10", "Section": "Disclosure", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=10&code=ifrs-tx-2022-en-r&doctype=Standard&dita_xref=IAS10_g17-22_IAS10_g17-22_TI", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r34": { "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" }, "r35": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "12", "Paragraph": "81", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r36": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "12", "Paragraph": "81", "Subparagraph": "ab", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_ab&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r37": { "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" }, "r38": { "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" }, "r39": { "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" }, "r4": { "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" }, "r40": { "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" }, "r41": { "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" }, "r42": { "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" }, "r43": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "16", "Paragraph": "73", "Subparagraph": "c", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_73_c&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r44": { "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" }, "r45": { "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" }, "r46": { "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" }, "r47": { "Clause": "iii", "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_iii&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r48": { "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" }, "r49": { "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" }, "r5": { "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" }, "r50": { "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" }, "r51": { "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" }, "r52": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "16", "Paragraph": "75", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_75_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r53": { "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" }, "r54": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "19", "Paragraph": "142", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_142&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r55": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "20", "Paragraph": "39", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=20&code=ifrs-tx-2022-en-r&anchor=para_39_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r56": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "20", "Section": "Disclosure", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=20&code=ifrs-tx-2022-en-r&doctype=Standard&dita_xref=IAS20_g39-39__IAS20_g39-39_TI", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r57": { "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" }, "r58": { "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" }, "r59": { "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" }, "r6": { "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" }, "r60": { "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" }, "r61": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "24", "Paragraph": "18", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2022-en-r&anchor=para_18&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r62": { "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" }, "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": "vi", "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_vi&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r65": { "Clause": "vii", "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_vii&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r66": { "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" }, "r67": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "33", "Paragraph": "66", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2022-en-r&anchor=para_66&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r68": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "33", "Paragraph": "67", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2022-en-r&anchor=para_67&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r69": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "33", "Paragraph": "70", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2022-en-r&anchor=para_70_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r7": { "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" }, "r70": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "33", "Paragraph": "70", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2022-en-r&anchor=para_70_b&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r71": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "33", "Section": "Disclosure", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2022-en-r&doctype=Standard&dita_xref=IAS33_g70-73A__IAS33_g70-73A_TI", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r72": { "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" }, "r73": { "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" }, "r74": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "38", "Paragraph": "118", "Subparagraph": "a", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2022-en-r&anchor=para_118_a&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r75": { "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" }, "r76": { "Clause": "vi", "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_vi&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r77": { "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" }, "r78": { "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" }, "r79": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "38", "Section": "Disclosure", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2022-en-r&doctype=Standard&dita_xref=IAS38_g118-128__IAS38_g118-128_TI", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r8": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "1", "Paragraph": "54", "Subparagraph": "c", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_54_c&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r80": { "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" }, "r81": { "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" }, "r82": { "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" }, "r83": { "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" }, "r84": { "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" }, "r85": { "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" }, "r86": { "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" }, "r87": { "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" }, "r88": { "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" }, "r89": { "IssueDate": "2022-03-24", "Name": "IAS", "Number": "7", "Paragraph": "31", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&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" }, "r9": { "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" }, "r90": { "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" }, "r91": { "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" }, "r92": { "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" }, "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": { "Clause": "i", "IssueDate": "2022-03-24", "Name": "IFRS", "Number": "12", "Paragraph": "2", "Subparagraph": "b", "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_2_b_i&doctype=Standard", "URIDate": "2022-03-24", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r98": { "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" }, "r99": { "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" } }, "version": "2.2" }