{
 "version": "2.2",
 "instance": {
  "nfgc-20251231x40f.htm nfgc-20251231xex99d3.htm": {
   "nsprefix": "nfgc",
   "nsuri": "http://www.newfoundgold.ca/20251231",
   "dts": {
    "schema": {
     "local": [
      "nfgc-20251231.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/2023/calculation-1.1.xsd",
      "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd",
      "https://www.xbrl.org/dtr/type/2022-03-31/types.xsd",
      "https://www.xbrl.org/dtr/type/2024-01-31/types.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-roles-2025.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-types-2025.xsd",
      "https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd",
      "https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/dimensions-ea/rol_ifrs_ea-dim_2025-03-27.xsd",
      "https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/dimensions/rol_full_ifrs-dim_2025-03-27.xsd",
      "https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd",
      "https://xbrl.sec.gov/country/2025/country-2025.xsd",
      "https://xbrl.sec.gov/dei/2025/dei-2025.xsd",
      "https://xbrl.sec.gov/stpr/2025/stpr-2025.xsd"
     ]
    },
    "calculationLink": {
     "local": [
      "nfgc-20251231_cal.xml"
     ]
    },
    "definitionLink": {
     "local": [
      "nfgc-20251231_def.xml"
     ],
     "remote": [
      "https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/dimensions-ea/dim_ifrs_ea_2025-03-27_role-995000.xml",
      "https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/dimensions/dim_full_ifrs_2025-03-27_role-995000.xml"
     ]
    },
    "labelLink": {
     "local": [
      "nfgc-20251231_lab.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "nfgc-20251231_pre.xml"
     ]
    },
    "inline": {
     "local": [
      "nfgc-20251231x40f.htm",
      "nfgc-20251231xex99d3.htm"
     ]
    }
   },
   "keyStandard": 290,
   "keyCustom": 248,
   "axisStandard": 35,
   "axisCustom": 6,
   "memberStandard": 39,
   "memberCustom": 126,
   "hidden": {
    "total": 10,
    "http://xbrl.sec.gov/dei/2025": 7,
    "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full": 2,
    "http://www.newfoundgold.ca/20251231": 1
   },
   "contextCount": 319,
   "entityCount": 1,
   "segmentCount": 175,
   "elementCount": 890,
   "unitCount": 19,
   "baseTaxonomies": {
    "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full": 746,
    "http://xbrl.sec.gov/dei/2025": 43
   },
   "report": {
    "R1": {
     "role": "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation",
     "longName": "00090 - Document - Document and Entity Information",
     "shortName": "Document and Entity Information",
     "isDefault": "true",
     "groupType": "document",
     "subGroupType": "",
     "menuCat": "Cover",
     "order": "1",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "dei:DocumentType",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "p",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231x40f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "dei:DocumentType",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "p",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231x40f.htm",
      "first": true,
      "unique": true
     }
    },
    "R2": {
     "role": "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition",
     "longName": "00100 - Statement - Consolidated Statements of Financial Position",
     "shortName": "Consolidated Statements of Financial Position",
     "isDefault": "false",
     "groupType": "statement",
     "subGroupType": "",
     "menuCat": "Statements",
     "order": "2",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "ifrs-full:CashAndCashEquivalents",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "nfgc:CurrentPrepaymentsAndDeposits",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R3": {
     "role": "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss",
     "longName": "00200 - Statement - Consolidated Statements of Loss and Comprehensive Loss",
     "shortName": "Consolidated Statements of Loss and Comprehensive Loss",
     "isDefault": "false",
     "groupType": "statement",
     "subGroupType": "",
     "menuCat": "Statements",
     "order": "3",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:Revenue",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:SellingExpense",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R4": {
     "role": "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows",
     "longName": "00300 - Statement - Consolidated Statements of Cash Flows",
     "shortName": "Consolidated Statements of Cash Flows",
     "isDefault": "false",
     "groupType": "statement",
     "subGroupType": "",
     "menuCat": "Statements",
     "order": "4",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:ProfitLoss",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:AdjustmentsForDepreciationExpense",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R5": {
     "role": "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity",
     "longName": "00400 - Statement - Consolidated Statements of Changes in Equity",
     "shortName": "Consolidated Statements of Changes in Equity",
     "isDefault": "false",
     "groupType": "statement",
     "subGroupType": "",
     "menuCat": "Statements",
     "order": "5",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2023_ifrs-full_ComponentsOfEquityAxis_ifrs-full_IssuedCapitalMember_Utf3DioPVk6uZaUevZjjWA",
      "name": "ifrs-full:Equity",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_12_31_2023_ifrs-full_ComponentsOfEquityAxis_ifrs-full_IssuedCapitalMember_Utf3DioPVk6uZaUevZjjWA",
      "name": "ifrs-full:Equity",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R6": {
     "role": "http://www.newfoundgold.ca/role/DisclosureNatureOfOperationsAndGoingConcern",
     "longName": "10101 - Disclosure - NATURE OF OPERATIONS AND GOING CONCERN",
     "shortName": "NATURE OF OPERATIONS AND GOING CONCERN",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "6",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R7": {
     "role": "http://www.newfoundgold.ca/role/DisclosureBasisOfPresentation",
     "longName": "10201 - Disclosure - BASIS OF PRESENTATION",
     "shortName": "BASIS OF PRESENTATION",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "7",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R8": {
     "role": "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformation",
     "longName": "10301 - Disclosure - MATERIAL ACCOUNTING POLICY INFORMATION",
     "shortName": "MATERIAL ACCOUNTING POLICY INFORMATION",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "8",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfMaterialAccountingPolicyInformationExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfMaterialAccountingPolicyInformationExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R9": {
     "role": "http://www.newfoundgold.ca/role/DisclosureAreasOfSignificantJudgmentsEstimatesAndAssumptions",
     "longName": "10401 - Disclosure - AREAS OF SIGNIFICANT JUDGMENTS, ESTIMATES AND ASSUMPTIONS",
     "shortName": "AREAS OF SIGNIFICANT JUDGMENTS, ESTIMATES AND ASSUMPTIONS",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "9",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R10": {
     "role": "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorp",
     "longName": "10501 - Disclosure - ACQUISITION OF MARITIME RESOURCES CORP.",
     "shortName": "ACQUISITION OF MARITIME RESOURCES CORP.",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "10",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfBusinessCombinationsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfBusinessCombinationsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R11": {
     "role": "http://www.newfoundgold.ca/role/DisclosureReceivables",
     "longName": "10601 - Disclosure - RECEIVABLES",
     "shortName": "RECEIVABLES",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "11",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R12": {
     "role": "http://www.newfoundgold.ca/role/DisclosureInventories",
     "longName": "10701 - Disclosure - INVENTORIES",
     "shortName": "INVENTORIES",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "12",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfInventoriesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfInventoriesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R13": {
     "role": "http://www.newfoundgold.ca/role/DisclosureInvestments",
     "longName": "10801 - Disclosure - INVESTMENTS",
     "shortName": "INVESTMENTS",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "13",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfInterestsInOtherEntitiesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfInterestsInOtherEntitiesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R14": {
     "role": "http://www.newfoundgold.ca/role/DisclosureSecuredNotes",
     "longName": "10901 - Disclosure - SECURED NOTES",
     "shortName": "SECURED NOTES",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "14",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:SecuredNotesTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:SecuredNotesTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R15": {
     "role": "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipment",
     "longName": "11001 - Disclosure - PROPERTY, PLANT AND EQUIPMENT",
     "shortName": "PROPERTY, PLANT AND EQUIPMENT",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "15",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R16": {
     "role": "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssets",
     "longName": "11101 - Disclosure - EXPLORATION AND EVALUATION ASSETS",
     "shortName": "EXPLORATION AND EVALUATION ASSETS",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "16",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfExplorationAndEvaluationAssetsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfExplorationAndEvaluationAssetsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R17": {
     "role": "http://www.newfoundgold.ca/role/DisclosureAccountsPayableAndAccruedLiabilities",
     "longName": "11201 - Disclosure - ACCOUNTS PAYABLE AND ACCRUED LIABILITIES",
     "shortName": "ACCOUNTS PAYABLE AND ACCRUED LIABILITIES",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "17",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R18": {
     "role": "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremium",
     "longName": "11301 - Disclosure - FLOW-THROUGH SHARE PREMIUM",
     "shortName": "FLOW-THROUGH SHARE PREMIUM",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "18",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:DisclosureOfFlowThroughSharePremiumTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:DisclosureOfFlowThroughSharePremiumTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R19": {
     "role": "http://www.newfoundgold.ca/role/DisclosureOtherCurrentLiabilities",
     "longName": "11401 - Disclosure - OTHER CURRENT LIABILITIES",
     "shortName": "OTHER CURRENT LIABILITIES",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "19",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfOtherCurrentLiabilitiesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfOtherCurrentLiabilitiesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R20": {
     "role": "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisions",
     "longName": "11501 - Disclosure - RECLAMATION AND CLOSURE COST PROVISIONS",
     "shortName": "RECLAMATION AND CLOSURE COST PROVISIONS",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "20",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfProvisionsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfProvisionsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R21": {
     "role": "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReserves",
     "longName": "11601 - Disclosure - SHARE CAPITAL AND RESERVES",
     "shortName": "SHARE CAPITAL AND RESERVES",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "21",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R22": {
     "role": "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactions",
     "longName": "11701 - Disclosure - RELATED PARTY TRANSACTIONS",
     "shortName": "RELATED PARTY TRANSACTIONS",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "22",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfRelatedPartyExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfRelatedPartyExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R23": {
     "role": "http://www.newfoundgold.ca/role/DisclosureBasicAndDilutedLossPerShare",
     "longName": "11801 - Disclosure - BASIC AND DILUTED LOSS PER SHARE",
     "shortName": "BASIC AND DILUTED LOSS PER SHARE",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "23",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R24": {
     "role": "http://www.newfoundgold.ca/role/DisclosureRevenue",
     "longName": "11901 - Disclosure - REVENUE",
     "shortName": "REVENUE",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "24",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfRevenueExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfRevenueExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R25": {
     "role": "http://www.newfoundgold.ca/role/DisclosureOperatingExpenses",
     "longName": "12001 - Disclosure - OPERATING EXPENSES",
     "shortName": "OPERATING EXPENSES",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "25",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfExpensesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfExpensesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R26": {
     "role": "http://www.newfoundgold.ca/role/DisclosureGeneralAndAdministrativeExpenses",
     "longName": "12101 - Disclosure - GENERAL AND ADMINISTRATIVE EXPENSES",
     "shortName": "GENERAL AND ADMINISTRATIVE EXPENSES",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "26",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfGeneralAndAdministrativeExpenseExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfGeneralAndAdministrativeExpenseExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R27": {
     "role": "http://www.newfoundgold.ca/role/DisclosureOtherIncomeExpenses",
     "longName": "12201 - Disclosure - OTHER INCOME (EXPENSES)",
     "shortName": "OTHER INCOME (EXPENSES)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "27",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:DisclosureOfOtherGainLossesTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:DisclosureOfOtherGainLossesTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R28": {
     "role": "http://www.newfoundgold.ca/role/DisclosureIncomeTaxes",
     "longName": "12301 - Disclosure - INCOME TAXES",
     "shortName": "INCOME TAXES",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "28",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfIncomeTaxExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfIncomeTaxExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R29": {
     "role": "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosures",
     "longName": "12401 - Disclosure - CASH FLOW DISCLOSURES",
     "shortName": "CASH FLOW DISCLOSURES",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "29",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfCashFlowStatementExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfCashFlowStatementExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R30": {
     "role": "http://www.newfoundgold.ca/role/DisclosureFinancialInstruments",
     "longName": "12501 - Disclosure - FINANCIAL INSTRUMENTS",
     "shortName": "FINANCIAL INSTRUMENTS",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "30",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfFinancialInstrumentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfFinancialInstrumentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R31": {
     "role": "http://www.newfoundgold.ca/role/DisclosureCapitalManagement",
     "longName": "12601 - Disclosure - CAPITAL MANAGEMENT",
     "shortName": "CAPITAL MANAGEMENT",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "31",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R32": {
     "role": "http://www.newfoundgold.ca/role/DisclosureSegmentReporting",
     "longName": "12701 - Disclosure - SEGMENT REPORTING",
     "shortName": "SEGMENT REPORTING",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "32",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R33": {
     "role": "http://www.newfoundgold.ca/role/DisclosureSettlementOfLegalClaim",
     "longName": "12801 - Disclosure - SETTLEMENT OF LEGAL CLAIM",
     "shortName": "SETTLEMENT OF LEGAL CLAIM",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "33",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R34": {
     "role": "http://www.newfoundgold.ca/role/DisclosureSubsequentEvents",
     "longName": "12901 - Disclosure - SUBSEQUENT EVENTS",
     "shortName": "SUBSEQUENT EVENTS",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "34",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R35": {
     "role": "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPolicies",
     "longName": "20302 - Disclosure - MATERIAL ACCOUNTING POLICY INFORMATION (Policies)",
     "shortName": "MATERIAL ACCOUNTING POLICY INFORMATION (Policies)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "policies",
     "menuCat": "Policies",
     "order": "35",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfMaterialAccountingPolicyInformationExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfMaterialAccountingPolicyInformationExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R36": {
     "role": "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationTables",
     "longName": "30303 - Disclosure - MATERIAL ACCOUNTING POLICY INFORMATION (Tables)",
     "shortName": "MATERIAL ACCOUNTING POLICY INFORMATION (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "36",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:ScheduleOfUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:ScheduleOfUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R37": {
     "role": "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpTables",
     "longName": "30503 - Disclosure - ACQUISITION OF MARITIME RESOURCES CORP. (Tables)",
     "shortName": "ACQUISITION OF MARITIME RESOURCES CORP. (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "37",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R38": {
     "role": "http://www.newfoundgold.ca/role/DisclosureReceivablesTables",
     "longName": "30603 - Disclosure - RECEIVABLES (Tables)",
     "shortName": "RECEIVABLES (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "38",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:DisclosureOfTradeAndOtherCurrentReceivablesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:DisclosureOfTradeAndOtherCurrentReceivablesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R39": {
     "role": "http://www.newfoundgold.ca/role/DisclosureInventoriesTables",
     "longName": "30703 - Disclosure - INVENTORIES (Tables)",
     "shortName": "INVENTORIES (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "39",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:IfrsScheduleOfInventoryCurrentTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfInventoriesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:IfrsScheduleOfInventoryCurrentTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfInventoriesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R40": {
     "role": "http://www.newfoundgold.ca/role/DisclosureInvestmentsTables",
     "longName": "30803 - Disclosure - INVESTMENTS (Tables)",
     "shortName": "INVESTMENTS (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "40",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:ScheduleOfTotalInvestmentsTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfInterestsInOtherEntitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:ScheduleOfTotalInvestmentsTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfInterestsInOtherEntitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R41": {
     "role": "http://www.newfoundgold.ca/role/DisclosureSecuredNotesTables",
     "longName": "30903 - Disclosure - SECURED NOTES (Tables)",
     "shortName": "SECURED NOTES (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "41",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:ScheduleOfMovementsInSecuredNotesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:ScheduleOfMovementsInSecuredNotesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R42": {
     "role": "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentTables",
     "longName": "31003 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Tables)",
     "shortName": "PROPERTY, PLANT AND EQUIPMENT (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "42",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R43": {
     "role": "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsTables",
     "longName": "31103 - Disclosure - EXPLORATION AND EVALUATION ASSETS (Tables)",
     "shortName": "EXPLORATION AND EVALUATION ASSETS (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "43",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:ScheduleOfExplorationAndEvaluationAssetsTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfExplorationAndEvaluationAssetsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:ScheduleOfExplorationAndEvaluationAssetsTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfExplorationAndEvaluationAssetsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R44": {
     "role": "http://www.newfoundgold.ca/role/DisclosureAccountsPayableAndAccruedLiabilitiesTables",
     "longName": "31203 - Disclosure - ACCOUNTS PAYABLE AND ACCRUED LIABILITIES (Tables)",
     "shortName": "ACCOUNTS PAYABLE AND ACCRUED LIABILITIES (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "44",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:DisclosureOfAccountsPayableAndAccruedLiabilitiesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:DisclosureOfAccountsPayableAndAccruedLiabilitiesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R45": {
     "role": "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumTables",
     "longName": "31303 - Disclosure - FLOW-THROUGH SHARE PREMIUM (Tables)",
     "shortName": "FLOW-THROUGH SHARE PREMIUM (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "45",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:ScheduleOfFlowThroughSharePremiumTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "nfgc:DisclosureOfFlowThroughSharePremiumTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:ScheduleOfFlowThroughSharePremiumTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "nfgc:DisclosureOfFlowThroughSharePremiumTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R46": {
     "role": "http://www.newfoundgold.ca/role/DisclosureOtherCurrentLiabilitiesTables",
     "longName": "31403 - Disclosure - OTHER CURRENT LIABILITIES (Tables)",
     "shortName": "OTHER CURRENT LIABILITIES (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "46",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:IfrsOtherCurrentLiabilitiesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfOtherCurrentLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:IfrsOtherCurrentLiabilitiesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfOtherCurrentLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R47": {
     "role": "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsTables",
     "longName": "31503 - Disclosure - RECLAMATION AND CLOSURE COST PROVISIONS (Tables)",
     "shortName": "RECLAMATION AND CLOSURE COST PROVISIONS (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "47",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfOtherProvisionsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfProvisionsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfOtherProvisionsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfProvisionsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R48": {
     "role": "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesTables",
     "longName": "31603 - Disclosure - SHARE CAPITAL AND RESERVES (Tables)",
     "shortName": "SHARE CAPITAL AND RESERVES (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "48",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R49": {
     "role": "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsTables",
     "longName": "31703 - Disclosure - RELATED PARTY TRANSACTIONS (Tables)",
     "shortName": "RELATED PARTY TRANSACTIONS (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "49",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfRelatedPartyExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfRelatedPartyExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R50": {
     "role": "http://www.newfoundgold.ca/role/DisclosureBasicAndDilutedLossPerShareTables",
     "longName": "31803 - Disclosure - BASIC AND DILUTED LOSS PER SHARE (Tables)",
     "shortName": "BASIC AND DILUTED LOSS PER SHARE (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "50",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:EarningsPerShareExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:EarningsPerShareExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R51": {
     "role": "http://www.newfoundgold.ca/role/DisclosureRevenueTables",
     "longName": "31903 - Disclosure - REVENUE (Tables)",
     "shortName": "REVENUE (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "51",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfProductsAndServicesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfRevenueExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfProductsAndServicesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfRevenueExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R52": {
     "role": "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesTables",
     "longName": "32003 - Disclosure - OPERATING EXPENSES (Tables)",
     "shortName": "OPERATING EXPENSES (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "52",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:DisclosureOfOperatingExpensesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfExpensesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:DisclosureOfOperatingExpensesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfExpensesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R53": {
     "role": "http://www.newfoundgold.ca/role/DisclosureGeneralAndAdministrativeExpensesTables",
     "longName": "32103 - Disclosure - GENERAL AND ADMINISTRATIVE EXPENSES (Tables)",
     "shortName": "GENERAL AND ADMINISTRATIVE EXPENSES (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "53",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:DisclosureOfDetailedInformationOnGeneralAndAdministrativeExpenseTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfGeneralAndAdministrativeExpenseExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:DisclosureOfDetailedInformationOnGeneralAndAdministrativeExpenseTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfGeneralAndAdministrativeExpenseExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R54": {
     "role": "http://www.newfoundgold.ca/role/DisclosureOtherIncomeExpensesTables",
     "longName": "32203 - Disclosure - OTHER INCOME (EXPENSES) (Tables)",
     "shortName": "OTHER INCOME (EXPENSES) (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "54",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:DisclosureOfComponentsOfOtherGainLossesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "nfgc:DisclosureOfOtherGainLossesTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:DisclosureOfComponentsOfOtherGainLossesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "nfgc:DisclosureOfOtherGainLossesTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R55": {
     "role": "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesTables",
     "longName": "32303 - Disclosure - INCOME TAXES (Tables)",
     "shortName": "INCOME TAXES (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "55",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfIncomeTaxExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfIncomeTaxExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R56": {
     "role": "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosuresTables",
     "longName": "32403 - Disclosure - CASH FLOW DISCLOSURES (Tables)",
     "shortName": "CASH FLOW DISCLOSURES (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "56",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:DisclosureOfNonCashWorkingCapitalChangesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfCashFlowStatementExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:DisclosureOfNonCashWorkingCapitalChangesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfCashFlowStatementExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R57": {
     "role": "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsTables",
     "longName": "32503 - Disclosure - FINANCIAL INSTRUMENTS (Tables)",
     "shortName": "FINANCIAL INSTRUMENTS (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "57",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfFairValueOfFinancialInstrumentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfFairValueOfFinancialInstrumentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R58": {
     "role": "http://www.newfoundgold.ca/role/DisclosureSegmentReportingTables",
     "longName": "32703 - Disclosure - SEGMENT REPORTING (Tables)",
     "shortName": "SEGMENT REPORTING (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "58",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfOperatingSegmentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:DisclosureOfOperatingSegmentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R59": {
     "role": "http://www.newfoundgold.ca/role/DisclosureNatureOfOperationsAndGoingConcernDetails",
     "longName": "40101 - Disclosure - NATURE OF OPERATIONS AND GOING CONCERN (Details)",
     "shortName": "NATURE OF OPERATIONS AND GOING CONCERN (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "59",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "ifrs-full:RetainedEarnings",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "ifrs-full:CurrentAssetsLiabilities",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "ifrs-full:DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R60": {
     "role": "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPropertyPlantAndEquipmentDetails",
     "longName": "40301 - Disclosure - MATERIAL ACCOUNTING POLICY INFORMATION - Property, plant and equipment (Details)",
     "shortName": "MATERIAL ACCOUNTING POLICY INFORMATION - Property, plant and equipment (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "60",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_ifrs-full_LandAndBuildingsMember_ifrs-full_RangeAxis_ifrs-full_BottomOfRangeMember_5lRijs-y_kaftJNbmrpkwQ",
      "name": "ifrs-full:UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:ScheduleOfUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_ifrs-full_LandAndBuildingsMember_ifrs-full_RangeAxis_ifrs-full_BottomOfRangeMember_5lRijs-y_kaftJNbmrpkwQ",
      "name": "ifrs-full:UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:ScheduleOfUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R61": {
     "role": "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationAdditionalInformationDetails",
     "longName": "40302 - Disclosure - MATERIAL ACCOUNTING POLICY INFORMATION - Additional Information (Details)",
     "shortName": "MATERIAL ACCOUNTING POLICY INFORMATION - Additional Information (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "61",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:MaximumDiscountRateFromMarketValueOfSecuritiesEscrowedOrRestrictedSaleOrTransfer",
      "unitRef": "Unit_Standard_pure_BAypv-wnNUemR7RRSgXjVg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "ifrs-full:DescriptionOfAccountingPolicyForInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodExplanatory",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:MaximumDiscountRateFromMarketValueOfSecuritiesEscrowedOrRestrictedSaleOrTransfer",
      "unitRef": "Unit_Standard_pure_BAypv-wnNUemR7RRSgXjVg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "ifrs-full:DescriptionOfAccountingPolicyForInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodExplanatory",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R62": {
     "role": "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpDetails",
     "longName": "40501 - Disclosure - ACQUISITION OF MARITIME RESOURCES CORP. (Details)",
     "shortName": "ACQUISITION OF MARITIME RESOURCES CORP. (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "62",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_11_13_2025_ifrs-full_BusinessCombinationsAxis_nfgc_MaritimeResourcesCorpMember_ckywArD4A0ys1F4Z9eRIUw",
      "name": "nfgc:BusinessCombinationExchangeRatio",
      "unitRef": "Unit_Standard_pure_BAypv-wnNUemR7RRSgXjVg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "2",
      "ancestors": [
       "p",
       "ifrs-full:DisclosureOfBusinessCombinationsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R63": {
     "role": "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails",
     "longName": "40502 - Disclosure - ACQUISITION OF MARITIME RESOURCES CORP. - Purchase consideration and preliminary allocation (Details)",
     "shortName": "ACQUISITION OF MARITIME RESOURCES CORP. - Purchase consideration and preliminary allocation (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "63",
     "firstAnchor": {
      "contextRef": "As_Of_11_13_2025_ifrs-full_BusinessCombinationsAxis_nfgc_MaritimeResourcesCorpMember_ckywArD4A0ys1F4Z9eRIUw",
      "name": "ifrs-full:EquityInterestsOfAcquirer",
      "unitRef": "Unit_Standard_USD_JLPcxCh14EiICiCqxwxYSg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_11_13_2025_ifrs-full_BusinessCombinationsAxis_nfgc_MaritimeResourcesCorpMember_ckywArD4A0ys1F4Z9eRIUw",
      "name": "ifrs-full:EquityInterestsOfAcquirer",
      "unitRef": "Unit_Standard_USD_JLPcxCh14EiICiCqxwxYSg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R64": {
     "role": "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpShareForDebtSettlementDetails",
     "longName": "40503 - Disclosure - ACQUISITION OF MARITIME RESOURCES CORP. - Share-for-debt settlement (Details)",
     "shortName": "ACQUISITION OF MARITIME RESOURCES CORP. - Share-for-debt settlement (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "64",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:IncreaseThroughSharesIssuedForDebtSettlementValues",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_ifrs-full_BusinessCombinationsAxis_nfgc_MaritimeResourcesCorpMember_rOL1JE8zCkuyuOhCDCfnsw",
      "name": "nfgc:IFRSGainLossOnExtinguishmentOfDebt",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R65": {
     "role": "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpRoyaltyArrangementDetails",
     "longName": "40504 - Disclosure - ACQUISITION OF MARITIME RESOURCES CORP. - Royalty arrangement (Details)",
     "shortName": "ACQUISITION OF MARITIME RESOURCES CORP. - Royalty arrangement (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "65",
     "firstAnchor": {
      "contextRef": "As_Of_11_13_2025_ifrs-full_BusinessCombinationsAxis_nfgc_HammerdownGoldProjectRoyaltyArrangementOfMaritimeResourceCorpMember_G7HIbJ4BxESYHOH0M-6xTA",
      "name": "nfgc:RoyaltyArrangementRoyaltyPaymentsCappedAmount",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_11_13_2025_ifrs-full_BusinessCombinationsAxis_nfgc_HammerdownGoldProjectRoyaltyArrangementOfMaritimeResourceCorpMember_G7HIbJ4BxESYHOH0M-6xTA",
      "name": "nfgc:RoyaltyArrangementRoyaltyPaymentsCappedAmount",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R66": {
     "role": "http://www.newfoundgold.ca/role/DisclosureReceivablesDetails",
     "longName": "40601 - Disclosure - RECEIVABLES (Details)",
     "shortName": "RECEIVABLES (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "66",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "ifrs-full:CurrentValueAddedTaxReceivables",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:DisclosureOfTradeAndOtherCurrentReceivablesTableTextBlock",
       "ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "ifrs-full:CurrentValueAddedTaxReceivables",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:DisclosureOfTradeAndOtherCurrentReceivablesTableTextBlock",
       "ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R67": {
     "role": "http://www.newfoundgold.ca/role/DisclosureInventoriesDetails",
     "longName": "40701 - Disclosure - INVENTORIES (Details)",
     "shortName": "INVENTORIES (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "67",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "ifrs-full:CurrentOreStockpiles",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:IfrsScheduleOfInventoryCurrentTableTextBlock",
       "ifrs-full:DisclosureOfInventoriesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:WritedownsReversalsOfInventories",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "ifrs-full:DisclosureOfInventoriesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R68": {
     "role": "http://www.newfoundgold.ca/role/DisclosureInvestmentsDetails",
     "longName": "40801 - Disclosure - INVESTMENTS (Details)",
     "shortName": "INVESTMENTS (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "68",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "nfgc:FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughProfitAndLoss",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:ScheduleOfTotalInvestmentsTableTextBlock",
       "ifrs-full:DisclosureOfInterestsInOtherEntitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_12_31_2024_TY0iVavNsk-rwApJmi-w6Q",
      "name": "nfgc:WarrantsHeld",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:ScheduleOfTotalInvestmentsTableTextBlock",
       "ifrs-full:DisclosureOfInterestsInOtherEntitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R69": {
     "role": "http://www.newfoundgold.ca/role/DisclosureInvestmentsAnalysisOfInvestmentsIncludingRelatedGainsAndLossesDetails",
     "longName": "40802 - Disclosure - INVESTMENTS - Analysis of investments including related gains and losses (Details)",
     "shortName": "INVESTMENTS - Analysis of investments including related gains and losses (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "69",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2024_TY0iVavNsk-rwApJmi-w6Q",
      "name": "ifrs-full:CurrentInvestments",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:GainsLossesOnDisposalsOfInvestments",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:ScheduleOfAnalysisOfInvestmentsIncludingRelatedGainsAndLossesTableTextBlock",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R70": {
     "role": "http://www.newfoundgold.ca/role/DisclosureInvestmentsEquitiesDetails",
     "longName": "40803 - Disclosure - INVESTMENTS - Equities (Details)",
     "shortName": "INVESTMENTS - Equities (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "70",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "nfgc:CostOfEquitySecuritiesHeld",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:ScheduleOfEquitySecuritiesHeldTableTextBlock",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "nfgc:CostOfEquitySecuritiesHeld",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:ScheduleOfEquitySecuritiesHeldTableTextBlock",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R71": {
     "role": "http://www.newfoundgold.ca/role/DisclosureInvestmentsKirklandLakeDiscoveriesCorpMovementInInvestmentDetails",
     "longName": "40804 - Disclosure - INVESTMENTS - KIRKLAND LAKE DISCOVERIES CORP - Movement in investment (Details)",
     "shortName": "INVESTMENTS - KIRKLAND LAKE DISCOVERIES CORP - Movement in investment (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "71",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2024_TY0iVavNsk-rwApJmi-w6Q",
      "name": "ifrs-full:InvestmentsInAssociatesAccountedForUsingEquityMethod",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_12_31_2023_ifrs-full_SignificantInvestmentsInAssociatesAxis_nfgc_KirklandLakeDiscoveriesCorpMember_hPs2NA9as0ecxInQz-PLug",
      "name": "ifrs-full:InvestmentsInAssociatesAccountedForUsingEquityMethod",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:DisclosureOfMovementInInvestmentInAssociatesTableTextBlock",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R72": {
     "role": "http://www.newfoundgold.ca/role/DisclosureInvestmentsWarrantsDetails",
     "longName": "40805 - Disclosure - INVESTMENTS - Warrants (Details)",
     "shortName": "INVESTMENTS - Warrants (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "72",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:WarrantsExercisePricePerShare",
      "unitRef": "Unit_Divide_CAD_shares_Rq6ovByKIEK6QeUM9T8y-w",
      "xsiNil": "false",
      "lang": null,
      "decimals": "2",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:WarrantsExercisePricePerShare",
      "unitRef": "Unit_Divide_CAD_shares_Rq6ovByKIEK6QeUM9T8y-w",
      "xsiNil": "false",
      "lang": null,
      "decimals": "2",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R73": {
     "role": "http://www.newfoundgold.ca/role/DisclosureSecuredNotesDetails",
     "longName": "40901 - Disclosure - SECURED NOTES (Details)",
     "shortName": "SECURED NOTES (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "73",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_8_14_2023_ifrs-full_ClassesOfFinancialInstrumentsAxis_nfgc_NonConvertibleSeniorSecuredNotesMember_BgqHx7PgCEGMp6n4wianxQ",
      "name": "ifrs-full:NotionalAmount",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R74": {
     "role": "http://www.newfoundgold.ca/role/DisclosureSecuredNotesMovementInCompanySSecuredNotesDetails",
     "longName": "40902 - Disclosure - SECURED NOTES- Movement in the Company's secured notes (Details)",
     "shortName": "SECURED NOTES- Movement in the Company's secured notes (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "74",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2024_To_12_31_2024_p2nzaUqNNkayer1m6fnweQ",
      "name": "nfgc:GainsLossesFromRevaluationOfSecuredNotes",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:DisclosureOfComponentsOfOtherGainLossesTableTextBlock",
       "nfgc:DisclosureOfOtherGainLossesTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_12_31_2023_ifrs-full_ClassesOfFinancialInstrumentsAxis_nfgc_NonConvertibleSeniorSecuredNotesMember_3N1KbmbijUCba1ie410Jeg",
      "name": "ifrs-full:DebtInstrumentsHeld",
      "unitRef": "Unit_Standard_USD_JLPcxCh14EiICiCqxwxYSg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:ScheduleOfMovementsInSecuredNotesTableTextBlock",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R75": {
     "role": "http://www.newfoundgold.ca/role/DisclosureSecuredNotesNarrativesDetails",
     "longName": "40903 - Disclosure - SECURED NOTES- Narratives (Details)",
     "shortName": "SECURED NOTES- Narratives (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "75",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_ifrs-full_ClassesOfFinancialInstrumentsAxis_nfgc_NonConvertibleSeniorSecuredNotesMember_ZK-4wjqeU0W4MA3pBFYT0w",
      "name": "ifrs-full:InterestIncomeOnDebtInstrumentsHeld",
      "unitRef": "Unit_Standard_USD_JLPcxCh14EiICiCqxwxYSg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_ifrs-full_ClassesOfFinancialInstrumentsAxis_nfgc_NonConvertibleSeniorSecuredNotesMember_ZK-4wjqeU0W4MA3pBFYT0w",
      "name": "ifrs-full:InterestIncomeOnDebtInstrumentsHeld",
      "unitRef": "Unit_Standard_USD_JLPcxCh14EiICiCqxwxYSg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R76": {
     "role": "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails",
     "longName": "41001 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Details)",
     "shortName": "PROPERTY, PLANT AND EQUIPMENT (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "76",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2024_TY0iVavNsk-rwApJmi-w6Q",
      "name": "ifrs-full:PropertyPlantAndEquipment",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:DepreciationCapitalizedToInventories",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory",
       "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R77": {
     "role": "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsDetails",
     "longName": "41101 - Disclosure - EXPLORATION AND EVALUATION ASSETS (Details)",
     "shortName": "EXPLORATION AND EVALUATION ASSETS (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "77",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2024_TY0iVavNsk-rwApJmi-w6Q",
      "name": "ifrs-full:AssetsArisingFromExplorationForAndEvaluationOfMineralResources",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:AdditionRelatedToAcquisitionCostsAssetAcquisitions",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:ScheduleOfExplorationAndEvaluationAssetsTableTextBlock",
       "ifrs-full:DisclosureOfExplorationAndEvaluationAssetsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R78": {
     "role": "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsExplorationAndEvaluationExpensesDetails",
     "longName": "41102 - Disclosure - EXPLORATION AND EVALUATION ASSETS - Exploration and evaluation expenses (Details)",
     "shortName": "EXPLORATION AND EVALUATION ASSETS - Exploration and evaluation expenses (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "78",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2024_TY0iVavNsk-rwApJmi-w6Q",
      "name": "nfgc:CumulativeExpenseArisingFromExplorationForAndEvaluationOfMineralResources",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:ScheduleOfExplorationAndEvaluationAssetsTableTextBlock",
       "ifrs-full:DisclosureOfExplorationAndEvaluationAssetsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_12_31_2023_oLy_8u2kQEWkzfEt1GVrbA",
      "name": "nfgc:CumulativeExpenseArisingFromExplorationForAndEvaluationOfMineralResources",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:ScheduleOfExplorationAndEvaluationAssetsTableTextBlock",
       "ifrs-full:DisclosureOfExplorationAndEvaluationAssetsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R79": {
     "role": "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails",
     "longName": "41103 - Disclosure - EXPLORATION AND EVALUATION ASSETS - Queensway Project - Gander, Newfoundland and Labrador (Details)",
     "shortName": "EXPLORATION AND EVALUATION ASSETS - Queensway Project - Gander, Newfoundland and Labrador (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "79",
     "firstAnchor": {
      "contextRef": "Duration_7_29_2024_To_7_29_2024_CglIUlrzOk2ZgrGFtY5oSA",
      "name": "nfgc:PercentageOfNetSmelterReturnRoyalties",
      "unitRef": "Unit_Standard_pure_BAypv-wnNUemR7RRSgXjVg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "3",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_7_29_2024_To_7_29_2024_CglIUlrzOk2ZgrGFtY5oSA",
      "name": "nfgc:NumberOfRoyaltyPurchaseAgreements",
      "unitRef": "Unit_Standard_agreement_aEXscEqM20SJIluSwqrgug",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R80": {
     "role": "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMineralClaimsFromExploitsDiscoveryCorpDetails",
     "longName": "41104 - Disclosure - EXPLORATION AND EVALUATION ASSETS - Acquisition of mineral claims from Exploits Discovery Corp. (Details)",
     "shortName": "EXPLORATION AND EVALUATION ASSETS - Acquisition of mineral claims from Exploits Discovery Corp. (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "80",
     "firstAnchor": {
      "contextRef": "Duration_7_29_2024_To_7_29_2024_CglIUlrzOk2ZgrGFtY5oSA",
      "name": "nfgc:PercentageOfNetSmelterReturnRoyalties",
      "unitRef": "Unit_Standard_pure_BAypv-wnNUemR7RRSgXjVg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "3",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_9_8_2025_To_9_8_2025_nfgc_IfrsAssetAcquisitionAxis_nfgc_ExploitsDiscoveryCorpMember_INuY2cgUMU2mv5DyalFctg",
      "name": "nfgc:PercentageOfInterestInMineralClaimsPurchased",
      "unitRef": "Unit_Standard_pure_BAypv-wnNUemR7RRSgXjVg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "2",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R81": {
     "role": "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfKingswayProjectDetails",
     "longName": "41105 - Disclosure - EXPLORATION AND EVALUATION ASSETS - Acquisition of Kingsway Project (Details)",
     "shortName": "EXPLORATION AND EVALUATION ASSETS - Acquisition of Kingsway Project (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "81",
     "firstAnchor": {
      "contextRef": "Duration_7_9_2024_To_7_9_2024_aaOWiQl4TU-ymi3H5_vtnQ",
      "name": "nfgc:IfrsStockIssuedDuringPeriodSharesPurchaseOfAssets",
      "unitRef": "Unit_Standard_shares_UKHXGRnQ-EOw20-IxpGrhw",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2024_To_12_31_2024_p2nzaUqNNkayer1m6fnweQ",
      "name": "nfgc:ExpenditureTargetPayment",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R82": {
     "role": "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails",
     "longName": "41106 - Disclosure - EXPLORATION AND EVALUATION ASSETS - Acquisition of Maritime exploration properties and mining interests (Details)",
     "shortName": "EXPLORATION AND EVALUATION ASSETS - Acquisition of Maritime exploration properties and mining interests (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "82",
     "firstAnchor": {
      "contextRef": "Duration_7_29_2024_To_7_29_2024_CglIUlrzOk2ZgrGFtY5oSA",
      "name": "nfgc:PercentageOfNetSmelterReturnRoyalties",
      "unitRef": "Unit_Standard_pure_BAypv-wnNUemR7RRSgXjVg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "3",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_11_13_2025_To_11_13_2025_nfgc_IfrsAssetAcquisitionAxis_nfgc_GreenBayProjectMember_zPYDV_mU3U6SUSgrPihPAA",
      "name": "nfgc:PercentageOfInterestInMineralLicenses",
      "unitRef": "Unit_Standard_pure_BAypv-wnNUemR7RRSgXjVg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "2",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R83": {
     "role": "http://www.newfoundgold.ca/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails",
     "longName": "41201 - Disclosure - ACCOUNTS PAYABLE AND ACCRUED LIABILITIES (Details)",
     "shortName": "ACCOUNTS PAYABLE AND ACCRUED LIABILITIES (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "83",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:DisclosureOfAccountsPayableAndAccruedLiabilitiesTableTextBlock",
       "ifrs-full:DisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:DisclosureOfAccountsPayableAndAccruedLiabilitiesTableTextBlock",
       "ifrs-full:DisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R84": {
     "role": "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumDetails",
     "longName": "41301 - Disclosure - FLOW-THROUGH SHARE PREMIUM (Details)",
     "shortName": "FLOW-THROUGH SHARE PREMIUM (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "84",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2023_oLy_8u2kQEWkzfEt1GVrbA",
      "name": "nfgc:FlowThroughSharePremiumLiability",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:ScheduleOfFlowThroughSharePremiumTableTextBlock",
       "nfgc:DisclosureOfFlowThroughSharePremiumTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_12_31_2023_oLy_8u2kQEWkzfEt1GVrbA",
      "name": "nfgc:FlowThroughSharePremiumLiability",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:ScheduleOfFlowThroughSharePremiumTableTextBlock",
       "nfgc:DisclosureOfFlowThroughSharePremiumTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R85": {
     "role": "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumAdditionalInformationDetails",
     "longName": "41302 - Disclosure - FLOW THROUGH SHARE PREMIUM - Additional information (Details)",
     "shortName": "FLOW THROUGH SHARE PREMIUM - Additional information (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "85",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "nfgc:ShareArrangementsOfTaxDeductions",
      "unitRef": "Unit_Standard_pure_BAypv-wnNUemR7RRSgXjVg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "2",
      "ancestors": [
       "p",
       "nfgc:DisclosureOfFlowThroughSharePremiumTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "nfgc:ShareArrangementsOfTaxDeductions",
      "unitRef": "Unit_Standard_pure_BAypv-wnNUemR7RRSgXjVg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "2",
      "ancestors": [
       "p",
       "nfgc:DisclosureOfFlowThroughSharePremiumTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R86": {
     "role": "http://www.newfoundgold.ca/role/DisclosureOtherCurrentLiabilitiesDetails",
     "longName": "41401 - Disclosure - OTHER CURRENT LIABILITIES (Details)",
     "shortName": "OTHER CURRENT LIABILITIES (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "86",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "ifrs-full:LiabilitiesFromSharebasedPaymentTransactions2011",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:IfrsOtherCurrentLiabilitiesTableTextBlock",
       "ifrs-full:DisclosureOfOtherCurrentLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "ifrs-full:LiabilitiesFromSharebasedPaymentTransactions2011",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:IfrsOtherCurrentLiabilitiesTableTextBlock",
       "ifrs-full:DisclosureOfOtherCurrentLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R87": {
     "role": "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsMovementDetails",
     "longName": "41501 - Disclosure - RECLAMATION AND CLOSURE COST PROVISIONS - Movement (Details)",
     "shortName": "RECLAMATION AND CLOSURE COST PROVISIONS - Movement (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "87",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2024_TY0iVavNsk-rwApJmi-w6Q",
      "name": "ifrs-full:ProvisionForDecommissioningRestorationAndRehabilitationCosts",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfOtherProvisionsExplanatory",
       "ifrs-full:DisclosureOfProvisionsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_12_31_2023_oLy_8u2kQEWkzfEt1GVrbA",
      "name": "ifrs-full:ProvisionForDecommissioningRestorationAndRehabilitationCosts",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfOtherProvisionsExplanatory",
       "ifrs-full:DisclosureOfProvisionsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R88": {
     "role": "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails",
     "longName": "41502 - Disclosure - RECLAMATION AND CLOSURE COST PROVISIONS - Additional information (Details)",
     "shortName": "RECLAMATION AND CLOSURE COST PROVISIONS - Additional information (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "88",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "nfgc:ProvisionForDecommissioningRestorationAndRehabilitationCostsUndiscountedCashFlows",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:MaturityAnalysisForNonderivativeFinancialLiabilities",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_11_14_2025_To_11_14_2025_FunMwZvmik-L56tytzhTjA",
      "name": "ifrs-full:IncreaseDecreaseThroughChangeInDiscountRateOtherProvisions",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R89": {
     "role": "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
     "longName": "41601 - Disclosure - SHARE CAPITAL AND RESERVES (Details)",
     "shortName": "SHARE CAPITAL AND RESERVES (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "89",
     "firstAnchor": {
      "contextRef": "Duration_12_5_2025_To_12_5_2025_XV1wG6IMvEinfJokS2ErNQ",
      "name": "nfgc:NumberOfSharesIssuedUponAcquisitionOfAssets",
      "unitRef": "Unit_Standard_shares_UKHXGRnQ-EOw20-IxpGrhw",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "p",
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_12_5_2025_To_12_5_2025_XV1wG6IMvEinfJokS2ErNQ",
      "name": "nfgc:NumberOfSharesIssuedUponAcquisitionOfAssets",
      "unitRef": "Unit_Standard_shares_UKHXGRnQ-EOw20-IxpGrhw",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "p",
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R90": {
     "role": "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionCompensationPlanDetails",
     "longName": "41602 - Disclosure - SHARE CAPITAL AND RESERVES - Share purchase option compensation plan (Details)",
     "shortName": "SHARE CAPITAL AND RESERVES - Share purchase option compensation plan (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "90",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_nfgc_IfrsShareBasedPaymentArrangementOptionMember_p0kJ9qZEGEmqBdlidY0iJQ",
      "name": "nfgc:PercentageOfMaximumNumberOfEligibleSharesInAggregate",
      "unitRef": "Unit_Standard_pure_BAypv-wnNUemR7RRSgXjVg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "2",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_nfgc_IfrsShareBasedPaymentArrangementOptionMember_p0kJ9qZEGEmqBdlidY0iJQ",
      "name": "nfgc:PercentageOfMaximumNumberOfEligibleSharesInAggregate",
      "unitRef": "Unit_Standard_pure_BAypv-wnNUemR7RRSgXjVg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "2",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R91": {
     "role": "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionsDetails",
     "longName": "41603 - Disclosure - SHARE CAPITAL AND RESERVES - Share purchase options (Details)",
     "shortName": "SHARE CAPITAL AND RESERVES - Share purchase options (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "91",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2024_TY0iVavNsk-rwApJmi-w6Q",
      "name": "ifrs-full:NumberOfOutstandingShareOptions",
      "unitRef": "Unit_Standard_Options_fACqwrCtrE6pk2rkT-rjLQ",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement",
      "unitRef": "Unit_Standard_Options_fACqwrCtrE6pk2rkT-rjLQ",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R92": {
     "role": "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails",
     "longName": "41604 - Disclosure - SHARE CAPITAL AND RESERVES - Options outstanding and exercisable (Details)",
     "shortName": "SHARE CAPITAL AND RESERVES - Options outstanding and exercisable (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "92",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "ifrs-full:NumberOfOutstandingShareOptions",
      "unitRef": "Unit_Standard_Options_fACqwrCtrE6pk2rkT-rjLQ",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_12_31_2025_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_ifrs-full_ShareOptionsMember_J68KZDeo1E-TZC9JzGdUuQ",
      "name": "nfgc:IfrsCommonStockCapitalSharesReservedForFutureIssuance",
      "unitRef": "Unit_Standard_shares_UKHXGRnQ-EOw20-IxpGrhw",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R93": {
     "role": "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWeightedAverageFairValueAndAssumptionsDetails",
     "longName": "41605 - Disclosure - SHARE CAPITAL AND RESERVES - Weighted average fair value and assumptions (Details)",
     "shortName": "SHARE CAPITAL AND RESERVES - Weighted average fair value and assumptions (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "93",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:WeightedAverageFairValuePerShareShareOptionsGranted",
      "unitRef": "Unit_Divide_CAD_shares_Rq6ovByKIEK6QeUM9T8y-w",
      "xsiNil": "false",
      "lang": null,
      "decimals": "2",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:WeightedAverageFairValuePerShareShareOptionsGranted",
      "unitRef": "Unit_Divide_CAD_shares_Rq6ovByKIEK6QeUM9T8y-w",
      "xsiNil": "false",
      "lang": null,
      "decimals": "2",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R94": {
     "role": "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesRestrictedShareUnitsDetails",
     "longName": "41606 - Disclosure - SHARE CAPITAL AND RESERVES - Restricted share units (Details)",
     "shortName": "SHARE CAPITAL AND RESERVES - Restricted share units (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "94",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2026_To_1_1_2026_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_nfgc_SettlementOfRestrictedStockUnitsMember_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_ifrs-full_RestrictedShareUnitsMember_Y8kTwES6mEK1ZAGPXOJjHQ",
      "name": "ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement",
      "unitRef": "Unit_Standard_shares_UKHXGRnQ-EOw20-IxpGrhw",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R95": {
     "role": "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWarrantsActivityDetails",
     "longName": "41607 - Disclosure - SHARE CAPITAL AND RESERVES - Warrants activity (Details)",
     "shortName": "SHARE CAPITAL AND RESERVES - Warrants activity (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "95",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement",
      "unitRef": "Unit_Standard_EquityInstruments_U4VUrvdRL0KIwVl-xBa8Uw",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2026_To_1_1_2026_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_nfgc_ExercisedOfWarrantsMember_WpWpL4h8skiVeFQE9uspjQ",
      "name": "ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement",
      "unitRef": "Unit_Standard_shares_UKHXGRnQ-EOw20-IxpGrhw",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R96": {
     "role": "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsDetails",
     "longName": "41701 - Disclosure - RELATED PARTY TRANSACTIONS (Details)",
     "shortName": "RELATED PARTY TRANSACTIONS (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "96",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "ifrs-full:OutstandingCommitmentsMadeByEntityRelatedPartyTransactions",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "ifrs-full:DisclosureOfRelatedPartyExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "ifrs-full:OutstandingCommitmentsMadeByEntityRelatedPartyTransactions",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "ifrs-full:DisclosureOfRelatedPartyExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R97": {
     "role": "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails",
     "longName": "41702 - Disclosure - RELATED PARTY TRANSACTIONS - Key management personnel compensation (Details)",
     "shortName": "RELATED PARTY TRANSACTIONS - Key management personnel compensation (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "97",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfInformationAboutKeyManagementPersonnelExplanatory",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfInformationAboutKeyManagementPersonnelExplanatory",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R98": {
     "role": "http://www.newfoundgold.ca/role/DisclosureBasicAndDilutedLossPerShareDetails",
     "longName": "41801 - Disclosure - BASIC AND DILUTED LOSS PER SHARE (Details)",
     "shortName": "BASIC AND DILUTED LOSS PER SHARE (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "98",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:WeightedAverageShares",
      "unitRef": "Unit_Standard_shares_UKHXGRnQ-EOw20-IxpGrhw",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": null
    },
    "R99": {
     "role": "http://www.newfoundgold.ca/role/DisclosureBasicAndDilutedLossPerShareAdditionalInformationDetails",
     "longName": "41802 - Disclosure - BASIC AND DILUTED LOSS PER SHARE - Additional information - (Details)",
     "shortName": "BASIC AND DILUTED LOSS PER SHARE - Additional information - (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "99",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_ifrs-full_TypesOfAntidilutiveInstrumentsAxis_ifrs-full_ShareOptionsMember_ouacEEXs5UK0s4zfGjYfpQ",
      "name": "ifrs-full:NumberOfPotentialOrdinarySharesThatAreAntidilutiveInPeriodPresented",
      "unitRef": "Unit_Standard_shares_UKHXGRnQ-EOw20-IxpGrhw",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "p",
       "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_ifrs-full_TypesOfAntidilutiveInstrumentsAxis_ifrs-full_ShareOptionsMember_ouacEEXs5UK0s4zfGjYfpQ",
      "name": "ifrs-full:NumberOfPotentialOrdinarySharesThatAreAntidilutiveInPeriodPresented",
      "unitRef": "Unit_Standard_shares_UKHXGRnQ-EOw20-IxpGrhw",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "p",
       "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R100": {
     "role": "http://www.newfoundgold.ca/role/DisclosureRevenueDetails",
     "longName": "41901 - Disclosure - REVENUE (Details)",
     "shortName": "REVENUE (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "100",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:RevenueFromSaleOfGold",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfProductsAndServicesExplanatory",
       "ifrs-full:DisclosureOfRevenueExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:RevenueFromSaleOfGold",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfProductsAndServicesExplanatory",
       "ifrs-full:DisclosureOfRevenueExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R101": {
     "role": "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails",
     "longName": "42001 - Disclosure - OPERATING EXPENSES (Details)",
     "shortName": "OPERATING EXPENSES (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "101",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:RawMaterialsAndConsumablesUsed",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:DisclosureOfOperatingExpensesTableTextBlock",
       "ifrs-full:DisclosureOfExpensesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:RawMaterialsAndConsumablesUsed",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:DisclosureOfOperatingExpensesTableTextBlock",
       "ifrs-full:DisclosureOfExpensesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R102": {
     "role": "http://www.newfoundgold.ca/role/DisclosureGeneralAndAdministrativeExpensesDetails",
     "longName": "42101 - Disclosure - GENERAL AND ADMINISTRATIVE EXPENSES (Details)",
     "shortName": "GENERAL AND ADMINISTRATIVE EXPENSES (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "102",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:EmployeeBenefitsExpenseIncludedInGeneralAndAdministrativeExpenses",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:DisclosureOfDetailedInformationOnGeneralAndAdministrativeExpenseTableTextBlock",
       "ifrs-full:DisclosureOfGeneralAndAdministrativeExpenseExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:EmployeeBenefitsExpenseIncludedInGeneralAndAdministrativeExpenses",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:DisclosureOfDetailedInformationOnGeneralAndAdministrativeExpenseTableTextBlock",
       "ifrs-full:DisclosureOfGeneralAndAdministrativeExpenseExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R103": {
     "role": "http://www.newfoundgold.ca/role/DisclosureOtherIncomeExpensesDetails",
     "longName": "42201 - Disclosure - OTHER INCOME (EXPENSES) (Details)",
     "shortName": "OTHER INCOME (EXPENSES) (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "103",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:DisclosureOfComponentsOfOtherGainLossesTableTextBlock",
       "nfgc:DisclosureOfOtherGainLossesTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:DisclosureOfComponentsOfOtherGainLossesTableTextBlock",
       "nfgc:DisclosureOfOtherGainLossesTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R104": {
     "role": "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesDetails",
     "longName": "42301 - Disclosure - INCOME TAXES (Details)",
     "shortName": "INCOME TAXES (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "104",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:AccountingProfit",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock",
       "ifrs-full:DisclosureOfIncomeTaxExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:AccountingProfit",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock",
       "ifrs-full:DisclosureOfIncomeTaxExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R105": {
     "role": "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfComponentsOfDeferredIncomeTaxAssetsAndLiabilitiesDetails",
     "longName": "42302 - Disclosure - INCOME TAXES - Schedule of components of deferred income tax assets and liabilities (Details)",
     "shortName": "INCOME TAXES - Schedule of components of deferred income tax assets and liabilities (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "105",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "ifrs-full:DeferredTaxAssets",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_12_31_2025_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis_nfgc_ReservesMember_8tWwNOAAukSj-GsxQxeFhg",
      "name": "ifrs-full:DeferredTaxLiabilityAsset",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R106": {
     "role": "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfMovementInNetDeferredIncomeTaxLiabilityDetails",
     "longName": "42303 - Disclosure - INCOME TAXES - Schedule of movement in net deferred income tax liability (Details)",
     "shortName": "INCOME TAXES - Schedule of movement in net deferred income tax liability (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "106",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfDeferredTaxesExplanatory",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfDeferredTaxesExplanatory",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R107": {
     "role": "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfDeductibleTemporaryDifferencesUnusedTaxLossesAndUnusedTaxCreditsDetails",
     "longName": "42304 - Disclosure - INCOME TAXES - Schedule of deductible temporary differences, unused tax losses and unused tax credits (Details)",
     "shortName": "INCOME TAXES - Schedule of deductible temporary differences, unused tax losses and unused tax credits (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "107",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "ifrs-full:DeferredTaxAssets",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_12_31_2025_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis_nfgc_NetCapitalLossCarryforwardMember_xOx1XUE6ckie161y201xnQ",
      "name": "ifrs-full:DeferredTaxAssets",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R108": {
     "role": "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails",
     "longName": "42305 - Disclosure - INCOME TAXES - Non-capital loss carry forwards (Details)",
     "shortName": "INCOME TAXES - Non-capital loss carry forwards (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "108",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "ifrs-full:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "ifrs-full:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R109": {
     "role": "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosuresScheduleOfChangesInNonCashWorkingCapitalDetails",
     "longName": "42401 - Disclosure - CASH FLOW DISCLOSURES - Schedule of changes in non-cash working capital (Details)",
     "shortName": "CASH FLOW DISCLOSURES - Schedule of changes in non-cash working capital (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "109",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:AdjustmentsForIncreaseDecreaseInPrepaidExpensesAndDeposits",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:DisclosureOfNonCashWorkingCapitalChangesTableTextBlock",
       "ifrs-full:DisclosureOfCashFlowStatementExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:AdjustmentsForIncreaseDecreaseInPrepaidExpensesAndDeposits",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:DisclosureOfNonCashWorkingCapitalChangesTableTextBlock",
       "ifrs-full:DisclosureOfCashFlowStatementExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R110": {
     "role": "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosuresScheduleOfSupplementalCashFlowDisclosuresDetails",
     "longName": "42402 - Disclosure - CASH FLOW DISCLOSURES - Schedule of supplemental cash flow disclosures (Details)",
     "shortName": "CASH FLOW DISCLOSURES - Schedule of supplemental cash flow disclosures (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "110",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2024_To_12_31_2024_p2nzaUqNNkayer1m6fnweQ",
      "name": "nfgc:NonCashInvestingAndFinancingActivitiesRightOfUseAssetsAndLiabilities",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:IfrsScheduleOfCashFlowSupplementalDisclosuresTableTextBlock",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2024_To_12_31_2024_p2nzaUqNNkayer1m6fnweQ",
      "name": "nfgc:NonCashInvestingAndFinancingActivitiesRightOfUseAssetsAndLiabilities",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "nfgc:IfrsScheduleOfCashFlowSupplementalDisclosuresTableTextBlock",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R111": {
     "role": "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsCompanySFinancialInstrumentsAccordingToFairValueHierarchyDetails",
     "longName": "42501 - Disclosure - FINANCIAL INSTRUMENTS - Company's financial instruments according to the fair value hierarchy (Details)",
     "shortName": "FINANCIAL INSTRUMENTS - Company's financial instruments according to the fair value hierarchy (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "111",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2025_ifrs-full_ClassesOfFinancialAssetsAxis_nfgc_IfrsInvestmentsMember_ifrs-full_LevelsOfFairValueHierarchyAxis_ifrs-full_Level1OfFairValueHierarchyMember_ifrs-full_MeasurementAxis_ifrs-full_RecurringFairValueMeasurementMember_7Ihzs2kouEezKBDo7nexmg",
      "name": "ifrs-full:FinancialAssetsAtFairValue",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfFairValueOfFinancialInstrumentsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_12_31_2025_ifrs-full_ClassesOfFinancialAssetsAxis_nfgc_IfrsInvestmentsMember_ifrs-full_LevelsOfFairValueHierarchyAxis_ifrs-full_Level1OfFairValueHierarchyMember_ifrs-full_MeasurementAxis_ifrs-full_RecurringFairValueMeasurementMember_7Ihzs2kouEezKBDo7nexmg",
      "name": "ifrs-full:FinancialAssetsAtFairValue",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfFairValueOfFinancialInstrumentsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R112": {
     "role": "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsLiquidityRiskDetails",
     "longName": "42502 - Disclosure - FINANCIAL INSTRUMENTS - Liquidity risk (Details)",
     "shortName": "FINANCIAL INSTRUMENTS - Liquidity risk (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "112",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:SpendForSatisfyRemainingFlowThroughObligations",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "nfgc:DisclosureOfFlowThroughSharePremiumTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": null
    },
    "R113": {
     "role": "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsScheduleOfMaturityProfileOfFinancialLiabilitiesDetails",
     "longName": "42503 - Disclosure - FINANCIAL INSTRUMENTS - Schedule of maturity profile of financial liabilities (Details)",
     "shortName": "FINANCIAL INSTRUMENTS - Schedule of maturity profile of financial liabilities (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "113",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "ifrs-full:TradeAndOtherPayablesUndiscountedCashFlows",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:MaturityAnalysisForNonderivativeFinancialLiabilities",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "ifrs-full:TradeAndOtherPayablesUndiscountedCashFlows",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:MaturityAnalysisForNonderivativeFinancialLiabilities",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R114": {
     "role": "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsMarketRiskDetails",
     "longName": "42504 - Disclosure - FINANCIAL INSTRUMENTS - Market Risk (Details)",
     "shortName": "FINANCIAL INSTRUMENTS - Market Risk (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "114",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2025_ifrs-full_TypesOfRisksAxis_ifrs-full_CurrencyRiskMember_JFM5fME1Q02qYklfLY1sow",
      "name": "nfgc:IncreaseDecreaseInNetIncomeLossDueToReasonablyPossibleIncreaseInDesignatedRiskComponent",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "nfgc:IncreaseDecreaseInNetIncomeLossDueToReasonablyPossibleDecreaseInDesignatedRiskComponent",
       "span",
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_12_31_2025_ifrs-full_TypesOfRisksAxis_ifrs-full_CurrencyRiskMember_JFM5fME1Q02qYklfLY1sow",
      "name": "nfgc:IncreaseDecreaseInNetIncomeLossDueToReasonablyPossibleIncreaseInDesignatedRiskComponent",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "nfgc:IncreaseDecreaseInNetIncomeLossDueToReasonablyPossibleDecreaseInDesignatedRiskComponent",
       "span",
       "p",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R115": {
     "role": "http://www.newfoundgold.ca/role/DisclosureCapitalManagementDetails",
     "longName": "42601 - Disclosure - CAPITAL MANAGEMENT (Details)",
     "shortName": "CAPITAL MANAGEMENT (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "115",
     "firstAnchor": {
      "contextRef": "As_Of_12_31_2025_hV08XhiAq0uN4x9Ai6kzsw",
      "name": "ifrs-full:Equity",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": null
    },
    "R116": {
     "role": "http://www.newfoundgold.ca/role/DisclosureSegmentReportingDetails",
     "longName": "42701 - Disclosure - SEGMENT REPORTING (Details)",
     "shortName": "SEGMENT REPORTING (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "116",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:IfrsNumberOfReportableSegments",
      "unitRef": "Unit_Standard_segment_N4MxUNsL9EuOctLQqXoHmQ",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "p",
       "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "nfgc:IfrsNumberOfReportableSegments",
      "unitRef": "Unit_Standard_segment_N4MxUNsL9EuOctLQqXoHmQ",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "p",
       "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R117": {
     "role": "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails",
     "longName": "42702 - Disclosure - SEGMENT REPORTING - Schedule of operating segment (Details)",
     "shortName": "SEGMENT REPORTING - Schedule of operating segment (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "117",
     "firstAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:Revenue",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_1_1_2025_To_12_31_2025_AJShs8fBc0eKf7EugYy84w",
      "name": "ifrs-full:IncreaseDecreaseInDeferredTaxLiabilityAsset",
      "unitRef": "Unit_Standard_CAD_zuZPmZoQck-YXYbXxXlEKg",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfOperatingSegmentsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "unique": true
     }
    },
    "R118": {
     "role": "http://www.newfoundgold.ca/role/DisclosureSettlementOfLegalClaimDetails",
     "longName": "42801 - Disclosure - SETTLEMENT OF LEGAL CLAIM (Details)",
     "shortName": "SETTLEMENT OF LEGAL CLAIM (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "118",
     "firstAnchor": {
      "contextRef": "As_Of_11_20_2019_7-Z81p9wwUO0D2zzRHMPiw",
      "name": "nfgc:NumberOfSharesUnderClaim",
      "unitRef": "Unit_Standard_shares_UKHXGRnQ-EOw20-IxpGrhw",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "p",
       "ifrs-full:DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "As_Of_11_20_2019_7-Z81p9wwUO0D2zzRHMPiw",
      "name": "nfgc:NumberOfSharesUnderClaim",
      "unitRef": "Unit_Standard_shares_UKHXGRnQ-EOw20-IxpGrhw",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "p",
       "ifrs-full:DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    },
    "R119": {
     "role": "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails",
     "longName": "42901 - Disclosure - SUBSEQUENT EVENTS (Details)",
     "shortName": "SUBSEQUENT EVENTS (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "119",
     "firstAnchor": {
      "contextRef": "Duration_3_5_2026_To_3_5_2026_ifrs-full_BorrowingsByNameAxis_nfgc_SeniorSecuredLoanFacilityMember_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_nfgc_SeniorSecuredLoanFacilityAgreementMember_BtJXim_PI0Oxuy8UDqjEnw",
      "name": "nfgc:NumberOfLoanTranches",
      "unitRef": "Unit_Standard_tranche_PUzAbor3Tk-z_Zx7fIE-KA",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "p",
       "ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_3_5_2026_To_3_5_2026_ifrs-full_BorrowingsByNameAxis_nfgc_SeniorSecuredLoanFacilityMember_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_nfgc_SeniorSecuredLoanFacilityAgreementMember_BtJXim_PI0Oxuy8UDqjEnw",
      "name": "nfgc:NumberOfLoanTranches",
      "unitRef": "Unit_Standard_tranche_PUzAbor3Tk-z_Zx7fIE-KA",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "p",
       "ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "nfgc-20251231xex99d3.htm",
      "first": true,
      "unique": true
     }
    }
   },
   "tag": {
    "ifrs-full_AccountingProfit": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AccountingProfit",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accounting profit",
        "terseLabel": "Loss before income taxes"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of profit (loss) for a period before deducting tax expense. [Refer: Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r3",
      "r4",
      "r216",
      "r217"
     ]
    },
    "nfgc_AccountsPayablesAndAccruedLiabilitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AccountsPayablesAndAccruedLiabilitiesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "No definition available.",
        "label": "ACCOUNTS PAYABLE AND ACCRUED LIABILITIES"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AccrualsClassifiedAsCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AccrualsClassifiedAsCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails": {
       "parentTag": "ifrs-full_TradeAndOtherCurrentPayables",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accruals classified as current",
        "terseLabel": "Accrued liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of accruals classified as current. [Refer: Accruals]"
       }
      }
     },
     "auth_ref": [
      "r430"
     ]
    },
    "ifrs-full_AccumulatedDepreciationAndAmortisationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AccumulatedDepreciationAndAmortisationMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accumulated Depreciation"
       }
      }
     },
     "auth_ref": [
      "r18",
      "r401",
      "r407",
      "r408",
      "r409"
     ]
    },
    "nfgc_AcquisitionOfKingswayProjectMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AcquisitionOfKingswayProjectMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfKingswayProjectDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the information pertaining to acquisition of Kingsway Project.",
        "label": "Acquisition of Kingsway Project [Member]",
        "terseLabel": "Acquisition of Kingsway Project"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AcquisitiondateFairValueOfEquityInterestInAcquireeHeldByAcquirerImmediatelyBeforeAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AcquisitiondateFairValueOfEquityInterestInAcquireeHeldByAcquirerImmediatelyBeforeAcquisitionDate",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails": {
       "parentTag": "ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpDetails",
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Acquisition-date fair value of equity interest in acquiree held by acquirer immediately before acquisition date",
        "terseLabel": "Fair value of equity interest held by acquirer prior to acquisition date"
       }
      },
      "en": {
       "role": {
        "documentation": "The acquisition-date fair value of equity interest in the acquiree held by the acquirer immediately before the acquisition date in a business combination achieved in stages. [Refer: Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r138"
     ]
    },
    "ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AcquisitiondateFairValueOfTotalConsiderationTransferred",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Consideration transferred, acquisition-date fair value",
        "totalLabel": "Total consideration transferred, acquisition-date fair value"
       }
      },
      "en": {
       "role": {
        "documentation": "The fair value, at acquisition date, of the consideration transferred in a business combination. [Refer: Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r136",
      "r268"
     ]
    },
    "ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Acquisition-date fair value of total consideration transferred [abstract]",
        "terseLabel": "Purchase price:"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss": {
       "parentTag": "ifrs-full_ExpenseByNature",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpDetails",
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Acquisition-related costs recognised as expense for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination",
        "negatedLabel": "Transaction costs",
        "terseLabel": "Transaction costs"
       }
      }
     },
     "auth_ref": [
      "r137"
     ]
    },
    "nfgc_AcquisitionsThroughBusinessCombinationsDepositsAndOtherCollateral": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AcquisitionsThroughBusinessCombinationsDepositsAndOtherCollateral",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase in deposits and other collateral resulting from acquisitions through business combinations.",
        "label": "Acquisitions Through Business Combinations, Deposits and Other Collateral",
        "terseLabel": "Recognition of reclamation deposits and other collateral due to acquisition"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AcquisitionsThroughBusinessCombinationsOtherProvisions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AcquisitionsThroughBusinessCombinationsOtherProvisions",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails",
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsMovementDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Acquisitions through business combinations, other provisions",
        "terseLabel": "Maritime Acquisition (Note 5)",
        "verboseLabel": "Recognition of a reclamation liability due to acquisition"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase in other provisions resulting from acquisitions through business combinations. [Refer: Total for all business combinations [member]; Other provisions]"
       }
      }
     },
     "auth_ref": [
      "r406"
     ]
    },
    "ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Acquisitions through business combinations, property, plant and equipment",
        "terseLabel": "Maritime Acquisition"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase in property, plant and equipment resulting from acquisitions through business combinations. [Refer: Total for all business combinations [member]; Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r13",
      "r225"
     ]
    },
    "ifrs-full_AcquisitionsThroughBusinessCombinationsRightofuseAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AcquisitionsThroughBusinessCombinationsRightofuseAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Acquisitions through business combinations, right-of-use assets",
        "terseLabel": "Property, plant and equipment acquired includes right-of-use-assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase in right-of-use assets resulting from acquisitions through business combinations. [Refer: Total for all business combinations [member]; Right-of-use assets]"
       }
      }
     },
     "auth_ref": [
      "r402"
     ]
    },
    "nfgc_AdditionRelatedToAcquisitionCostsAssetAcquisitions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AdditionRelatedToAcquisitionCostsAssetAcquisitions",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Addition related to acquisition costs of asset acquisitions.",
        "label": "Addition Related to Acquisition Costs, Asset Acquisitions",
        "terseLabel": "Acquisition costs - Kingsway Project"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_AdditionRelatedToAcquisitionCostsBusinessCombinations": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AdditionRelatedToAcquisitionCostsBusinessCombinations",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase in acquisition costs of exploration and evaluation assets resulting from acquisitions through business combinations.",
        "label": "Addition Related to Acquisition Costs, Business Combinations",
        "terseLabel": "Acquisition cost - Maritime Resources Corp."
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_AdditionRelatedToAcquisitionCostsOtherClaims": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AdditionRelatedToAcquisitionCostsOtherClaims",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of addition relating to acquisition costs of other claims.",
        "label": "Addition Related to Acquisition Costs, Other Claims",
        "terseLabel": "Acquisition costs - other claims"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_AdditionRelatedToClaimStakingAndLicenseRenewalCosts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AdditionRelatedToClaimStakingAndLicenseRenewalCosts",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Addition related to claim staking and license renewal costs.",
        "label": "Addition Related To Claim Staking And License Renewal Costs",
        "terseLabel": "Claim staking, option payments and license renewal costs"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_AdditionRelatedToExpenditureTargetPayment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AdditionRelatedToExpenditureTargetPayment",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of additions related to expenditure target payment.",
        "label": "Addition Related to Expenditure Target Payment",
        "terseLabel": "Expenditure target payment - Kingsway Project"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_AdditionToExplorationAndEvaluationAssetsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AdditionToExplorationAndEvaluationAssetsAbstract",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "No definition available.",
        "label": "Addition to Exploration and Evaluation Assets [Abstract]",
        "terseLabel": "Additions"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_AdditionalExpenditureIncurredInQualifyingCanadianExplorationExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AdditionalExpenditureIncurredInQualifyingCanadianExplorationExpense",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of additional expenditure incurred in Qualifying Canadian Exploration Expense (CEE).",
        "label": "Additional Expenditure Incurred in Qualifying Canadian Exploration Expense",
        "terseLabel": "Additional expenditure incurred in qualifying CEE"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Additions other than through business combinations, property, plant and equipment",
        "terseLabel": "Additions"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Total for all business combinations [member]; Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r12",
      "r224"
     ]
    },
    "nfgc_AdditionsRelatedToAcquisitionCostsFromRoyaltyPurchasesAndOtherClaimsExplorationAndEvaluationAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AdditionsRelatedToAcquisitionCostsFromRoyaltyPurchasesAndOtherClaimsExplorationAndEvaluationAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase in exploration and evaluation assets resulting from acquisition costs of royalty purchases and other claims.",
        "label": "Additions Related To Acquisition Costs From Royalty Purchases And Other Claims, Exploration And Evaluation Assets",
        "terseLabel": "Acquisition costs - royalty purchases and other claims"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_AdditionsThroughAssetAcquisitionsPropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AdditionsThroughAssetAcquisitionsPropertyPlantAndEquipment",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of additions to property, plant and equipment other than those acquired through asset acquisitions.",
        "label": "Additions Through Asset Acquisitions, Property Plant and Equipment",
        "terseLabel": "Additions - Kingsway Project"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AdditionsToNoncurrentAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdditionsToNoncurrentAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Additions to non-current assets other than financial instruments, deferred tax assets, net defined benefit assets, and rights arising under insurance contracts",
        "terseLabel": "Capital expenditures"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of additions to non-current assets other than financial instruments, deferred tax assets, net defined benefit assets and rights arising under insurance contracts. [Refer: Deferred tax assets; Classes of financial instruments [domain]; Non-current assets]"
       }
      }
     },
     "auth_ref": [
      "r175",
      "r180"
     ]
    },
    "dei_AddressTypeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "AddressTypeDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Address Type [Domain]",
        "documentation": "An entity may have several addresses for different purposes and this domain represents all such types."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AdjustedWeightedAverageShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustedWeightedAverageShares",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureBasicAndDilutedLossPerShareDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureBasicAndDilutedLossPerShareDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjusted weighted average number of ordinary shares outstanding",
        "terseLabel": "Weighted average number of common shares outstanding - diluted",
        "totalLabel": "Weighted average number of common shares outstanding - diluted"
       }
      },
      "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]]"
       }
      }
     },
     "auth_ref": [
      "r43"
     ]
    },
    "nfgc_AdjustmentForChangeInEstimateOfReclamationAndClosureCostProvisions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AdjustmentForChangeInEstimateOfReclamationAndClosureCostProvisions",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Adjustments for change in estimate of reclamation and closure cost provisions to reconcile profit (loss) to net cash flow from (used in) operating activities.",
        "label": "Adjustment For Change in Estimate Of Reclamation And Closure Cost Provisions",
        "terseLabel": "Change in estimate of reclamation and closure cost provisions"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_AdjustmentForDeferredIncomeAndMiningTaxRecoveries": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AdjustmentForDeferredIncomeAndMiningTaxRecoveries",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": -1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Adjustments for deferred income and mining tax recoveries to reconcile profit (loss) to net cash flow from (used in) operating activities.",
        "label": "Adjustment For Deferred Income And Mining Tax Recoveries",
        "negatedLabel": "Income and mining tax recoveries - deferred"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_AdjustmentForSettlementOfReclamationObligations": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AdjustmentForSettlementOfReclamationObligations",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 14.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Adjustments for settlement of reclamation obligations to reconcile profit (loss) to net cash flow from (used in) operating activities.",
        "label": "Adjustment For Settlement Of Reclamation Obligations",
        "terseLabel": "Settlement of reclamation obligations"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_AdjustmentsForAccretionOnProvisionForDecommissioningReclamationAndClosureCost": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AdjustmentsForAccretionOnProvisionForDecommissioningReclamationAndClosureCost",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of accretion on provision for decommissioning, reclamation and closure cost to reconcile profit (loss) to net cash flow from (used in) operating activities.",
        "label": "Adjustments For Accretion On Provision For Decommissioning, Reclamation And Closure Cost",
        "terseLabel": "Accretion on reclamation and closure cost provisions"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AdjustmentsForDecreaseIncreaseInInventories": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForDecreaseIncreaseInInventories",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosuresScheduleOfChangesInNonCashWorkingCapitalDetails": {
       "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital",
       "weight": -1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosuresScheduleOfChangesInNonCashWorkingCapitalDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for decrease (increase) in inventories",
        "terseLabel": "Increase in inventories"
       }
      }
     },
     "auth_ref": [
      "r413"
     ]
    },
    "ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosuresScheduleOfChangesInNonCashWorkingCapitalDetails": {
       "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosuresScheduleOfChangesInNonCashWorkingCapitalDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for decrease (increase) in trade and other receivables",
        "terseLabel": "Decrease (increase) in receivables"
       }
      },
      "en": {
       "role": {
        "documentation": "Adjustments for decrease (increase) in trade and other receivables to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Trade and other receivables; Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r415"
     ]
    },
    "ifrs-full_AdjustmentsForDepreciationExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForDepreciationExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for depreciation expense",
        "terseLabel": "Depreciation"
       }
      },
      "en": {
       "role": {
        "documentation": "Adjustments for depreciation expense to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r415"
     ]
    },
    "nfgc_AdjustmentsForGainLossOnInvestments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AdjustmentsForGainLossOnInvestments",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Adjustments for gain (loss) on investments to reconcile profit (loss) to net cash flow from (used in) operating activities.",
        "label": "Adjustments For Gain (Loss) On Investments",
        "negatedLabel": "Gains (losses) on investments"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_AdjustmentsForGainLossOnSecuredNotes": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AdjustmentsForGainLossOnSecuredNotes",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": -1.0,
       "order": 10.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of gain (loss) on secured note to reconcile profit (loss) to net cash flow from (used in) operating activities.",
        "label": "Adjustments For Gain (Loss) On Secured Notes",
        "negatedLabel": "Gain on secured notes"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss",
        "terseLabel": "Impairment reversal on equity investment"
       }
      }
     },
     "auth_ref": [
      "r414"
     ]
    },
    "nfgc_AdjustmentsForIncreaseDecreaseInAccountsPayableAndAccruedLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AdjustmentsForIncreaseDecreaseInAccountsPayableAndAccruedLiabilities",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosuresScheduleOfChangesInNonCashWorkingCapitalDetails": {
       "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital",
       "weight": -1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosuresScheduleOfChangesInNonCashWorkingCapitalDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Adjustments for (decrease) increase in accounts payable and accrued liabilities to reconcile profit (loss) to net cash flow from (used in) operating activities.",
        "label": "Adjustments For Increase Decrease In Accounts Payable And Accrued Liabilities",
        "terseLabel": "Increase in accounts payable and accrued liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_AdjustmentsForIncreaseDecreaseInPrepaidExpensesAndDeposits": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AdjustmentsForIncreaseDecreaseInPrepaidExpensesAndDeposits",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosuresScheduleOfChangesInNonCashWorkingCapitalDetails": {
       "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital",
       "weight": -1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosuresScheduleOfChangesInNonCashWorkingCapitalDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Adjustments for decrease (increase) in prepaid expenses and deposits to reconcile profit (loss) to net cash flow from (used in) operating activities.",
        "label": "Adjustments For Increase Decrease In Prepaid Expenses And Deposits",
        "terseLabel": "Decrease (increase) in prepaid expenses and deposits"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AdjustmentsForInterestExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForInterestExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 9.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for interest expense",
        "terseLabel": "Interest expense"
       }
      }
     },
     "auth_ref": [
      "r415"
     ]
    },
    "ifrs-full_AdjustmentsForInterestIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForInterestIncome",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": -1.0,
       "order": 8.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for interest income",
        "negatedLabel": "Interest income"
       }
      }
     },
     "auth_ref": [
      "r415"
     ]
    },
    "ifrs-full_AdjustmentsForReconcileProfitLossAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForReconcileProfitLossAbstract",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for:",
        "terseLabel": "Adjustments for:"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AdjustmentsForSharebasedPayments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForSharebasedPayments",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 16.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for share-based payments",
        "terseLabel": "Share-based compensation"
       }
      }
     },
     "auth_ref": [
      "r414"
     ]
    },
    "ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForUnrealisedForeignExchangeLossesGains",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 12.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for unrealised foreign exchange losses (gains)",
        "verboseLabel": "Unrealized foreign exchange loss (gain)"
       }
      }
     },
     "auth_ref": [
      "r344",
      "r414"
     ]
    },
    "nfgc_AdministrativeAndOtherExpenses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AdministrativeAndOtherExpenses",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureGeneralAndAdministrativeExpensesDetails": {
       "parentTag": "ifrs-full_GeneralAndAdministrativeExpense",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureGeneralAndAdministrativeExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of administrative and other expenses.",
        "label": "Administrative And Other Expenses",
        "terseLabel": "Office and other expenses"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_AdvanceRoyaltyPaymentPayablePerYear": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AdvanceRoyaltyPaymentPayablePerYear",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfKingswayProjectDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of advance royalty payment payable per year.",
        "label": "Advance Royalty Payment, Payable Per Year",
        "terseLabel": "Advance royalty payment"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_AggregateCashPayments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AggregateCashPayments",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Aggregate cash payments for acquiring mineral licenses..",
        "label": "Aggregate Cash Payments",
        "terseLabel": "Aggregate cash payments"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_AggregateProceedsFromIssueOfOrdinaryShares": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AggregateProceedsFromIssueOfOrdinaryShares",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The aggregate cash inflow from the issuing of ordinary shares as of the reporting date.",
        "label": "Aggregate Proceeds From Issue Of Ordinary Shares",
        "terseLabel": "Total proceeds from issuance of shares"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_AllenPalmiereMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AllenPalmiereMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Allen Palmiere.",
        "label": "Allen Palmiere [Member]",
        "terseLabel": "Allen Palmiere"
       }
      }
     },
     "auth_ref": []
    },
    "dei_AmendmentFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "AmendmentFlag",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amendment Flag",
        "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission."
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_AmountPayableKeyManagementPersonnelCompensation": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AmountPayableKeyManagementPersonnelCompensation",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amounts payable resulting from key management personnel compensation.",
        "label": "Amount Payable, Key Management Personnel Compensation",
        "verboseLabel": "Amount payable, key management personnel compensation"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amounts recognised as of acquisition date for each major class of assets acquired and liabilities assumed [abstract]",
        "terseLabel": "Net assets acquired:"
       }
      }
     },
     "auth_ref": []
    },
    "dei_AnnualInformationForm": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "AnnualInformationForm",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Annual Information Form",
        "documentation": "Boolean flag with value true on a form if it is an annual report containing an annual information form."
       }
      }
     },
     "auth_ref": [
      "r395"
     ]
    },
    "ifrs-full_ApplicableTaxRate": {
     "xbrltype": "percentItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ApplicableTaxRate",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Applicable tax rate",
        "terseLabel": "Statutory tax rate"
       }
      },
      "en": {
       "role": {
        "documentation": "The applicable income tax rate."
       }
      }
     },
     "auth_ref": [
      "r4",
      "r217"
     ]
    },
    "nfgc_AreaOfHectaresOfLand": {
     "xbrltype": "areaItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AreaOfHectaresOfLand",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMineralClaimsFromExploitsDiscoveryCorpDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the area of hectares of land.",
        "label": "Area of Hectares of Land",
        "terseLabel": "Area of hectares of land"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ArgylePropertyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ArgylePropertyMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Argyle property.",
        "label": "Argyle Property [Member]",
        "terseLabel": "Argyle property"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_AssayingAndMetallurgicalTestingCumulativeExplorationExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AssayingAndMetallurgicalTestingCumulativeExplorationExpense",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsExplorationAndEvaluationExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of increase in cumulative exploration expense due to asssaying and metallurgical testing.",
        "label": "Assaying And Metallurgical Testing, Cumulative Exploration Expense",
        "terseLabel": "Assaying and metallurgical testing"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_Assets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Assets",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfKingswayProjectDetails",
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Assets",
        "terseLabel": "Segment assets",
        "totalLabel": "Total assets",
        "verboseLabel": "Total assets acquired"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r95",
      "r96",
      "r97",
      "r174",
      "r178",
      "r282",
      "r283",
      "r310"
     ]
    },
    "ifrs-full_AssetsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AssetsAbstract",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Assets Abstract",
        "terseLabel": "ASSETS"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AssetsArisingFromExplorationForAndEvaluationOfMineralResources": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AssetsArisingFromExplorationForAndEvaluationOfMineralResources",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfKingswayProjectDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Assets arising from exploration for and evaluation of mineral resources",
        "periodEndLabel": "Exploration and evaluation assets at end of the year",
        "periodStartLabel": "Exploration and evaluation assets at beginning of the year",
        "terseLabel": "Exploration and evaluation assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of assets arising from the search for mineral resources, including minerals, oil, natural gas and similar non-regenerative resources after the entity has obtained legal rights to explore in a specific area, as well as the determination of the technical feasibility and commercial viability of extracting the mineral resource."
       }
      }
     },
     "auth_ref": [
      "r148"
     ]
    },
    "ifrs-full_AtCostMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AtCostMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cost"
       }
      }
     },
     "auth_ref": [
      "r38",
      "r40",
      "r61",
      "r65",
      "r67",
      "r235",
      "r238",
      "r253"
     ]
    },
    "ifrs-full_AtFairValueMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AtFairValueMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsCompanySFinancialInstrumentsAccordingToFairValueHierarchyDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair value"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for measurement based on fair value. Fair value is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date."
       }
      }
     },
     "auth_ref": [
      "r61",
      "r65",
      "r84",
      "r95",
      "r253",
      "r280",
      "r282"
     ]
    },
    "nfgc_AtMarketProgramMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AtMarketProgramMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for at the market program.",
        "label": "At Market Program [Member]",
        "terseLabel": "ATM program"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AttributionOfExpensesByNatureToTheirFunctionAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Attribution of expenses by nature to their function [axis]"
       }
      }
     },
     "auth_ref": [
      "r423",
      "r425"
     ]
    },
    "ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AttributionOfExpensesByNatureToTheirFunctionDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Attribution of expenses by nature to their function [domain]"
       }
      }
     },
     "auth_ref": [
      "r423",
      "r425"
     ]
    },
    "dei_AuditedAnnualFinancialStatements": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "AuditedAnnualFinancialStatements",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Audited Annual Financial Statements",
        "documentation": "Boolean flag with value true on a form if it is an annual report containing audited financial statements."
       }
      }
     },
     "auth_ref": [
      "r395"
     ]
    },
    "dei_AuditorFirmId": {
     "xbrltype": "nonemptySequenceNumberItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "AuditorFirmId",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Auditor Firm ID",
        "documentation": "PCAOB issued Audit Firm Identifier"
       }
      }
     },
     "auth_ref": [
      "r393",
      "r394",
      "r395"
     ]
    },
    "dei_AuditorLocation": {
     "xbrltype": "internationalNameItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "AuditorLocation",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Auditor Location"
       }
      }
     },
     "auth_ref": [
      "r393",
      "r394",
      "r395"
     ]
    },
    "dei_AuditorName": {
     "xbrltype": "internationalNameItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "AuditorName",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Auditor Name"
       }
      }
     },
     "auth_ref": [
      "r393",
      "r394",
      "r395"
     ]
    },
    "nfgc_AveragePriceOfGoldExceedsUsd2000Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AveragePriceOfGoldExceedsUsd2000Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for scenario, where the average price of gold is exceeds than USD 2000 per ounce.",
        "label": "Average Price of Gold Exceeds USD 2000 [Member]",
        "terseLabel": "Average price of gold exceeds USD 2000"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_AveragePriceOfGoldLessThanUsd2000Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "AveragePriceOfGoldLessThanUsd2000Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for scenario, where the average price of gold is less than USD 2000 per ounce.",
        "label": "Average Price of Gold Less Than USD 2000 [Member]",
        "terseLabel": "Average price of gold less than USD 2000"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_BankBorrowingsUndiscountedCashFlows": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BankBorrowingsUndiscountedCashFlows",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsScheduleOfMaturityProfileOfFinancialLiabilitiesDetails": {
       "parentTag": "ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsScheduleOfMaturityProfileOfFinancialLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Bank borrowings, undiscounted cash flows",
        "terseLabel": "Loans payable"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of contractual undiscounted cash flows in relation to bank borrowings. [Refer: Borrowings]"
       }
      }
     },
     "auth_ref": [
      "r361",
      "r366"
     ]
    },
    "ifrs-full_BasicEarningsLossPerShare": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BasicEarningsLossPerShare",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureBasicAndDilutedLossPerShareDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Basic earnings (loss) per share",
        "terseLabel": "Loss per share - basic"
       }
      },
      "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)."
       }
      }
     },
     "auth_ref": [
      "r41",
      "r42"
     ]
    },
    "ifrs-full_BorrowingsByNameAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BorrowingsByNameAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Borrowings by name [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r418"
     ]
    },
    "ifrs-full_BorrowingsByNameDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BorrowingsByNameDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Borrowings by name [domain]"
       }
      },
      "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]"
       }
      }
     },
     "auth_ref": [
      "r418"
     ]
    },
    "ifrs-full_BorrowingsInterestRate": {
     "xbrltype": "percentItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BorrowingsInterestRate",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Borrowings, interest rate"
       }
      },
      "en": {
       "role": {
        "documentation": "The interest rate on borrowings. [Refer: Borrowings]"
       }
      }
     },
     "auth_ref": [
      "r418"
     ]
    },
    "ifrs-full_BorrowingsRecognisedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BorrowingsRecognisedAsOfAcquisitionDate",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails": {
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": -1.0,
       "order": 10.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails",
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpShareForDebtSettlementDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Borrowings recognised as of acquisition date",
        "negatedLabel": "Loans payable",
        "terseLabel": "Aggregate amount of outstanding debt"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for borrowings assumed in a business combination. [Refer: Borrowings; Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r417"
     ]
    },
    "ifrs-full_BottomOfRangeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BottomOfRangeMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails",
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPropertyPlantAndEquipmentDetails",
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Minimum",
        "terseLabel": "Minimum"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the bottom of a range."
       }
      }
     },
     "auth_ref": [
      "r74",
      "r100",
      "r112",
      "r128",
      "r210",
      "r347",
      "r348",
      "r418"
     ]
    },
    "nfgc_BusinessCombinationExchangeRatio": {
     "xbrltype": "pureItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "BusinessCombinationExchangeRatio",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares issued for each share of acquiree in a business combination transaction.",
        "label": "Business Combination, Exchange Ratio",
        "terseLabel": "Exchange ratio"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_BusinessCombinationsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BusinessCombinationsAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpDetails",
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails",
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpRoyaltyArrangementDetails",
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpShareForDebtSettlementDetails",
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Business combinations [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r141",
      "r269"
     ]
    },
    "ifrs-full_BusinessCombinationsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BusinessCombinationsDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpDetails",
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails",
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpRoyaltyArrangementDetails",
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpShareForDebtSettlementDetails",
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Business combinations [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Business combinations' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r141",
      "r143",
      "r269"
     ]
    },
    "dei_BusinessContactMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "BusinessContactMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Business Contact",
        "terseLabel": "Business Contact",
        "documentation": "Business contact for the entity"
       }
      }
     },
     "auth_ref": [
      "r394",
      "r395"
     ]
    },
    "stpr_CA-NL": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/stpr/2025",
     "localname": "CA-NL",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsExplorationAndEvaluationExpensesDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Newfoundland"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CapitalCommitmentsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CapitalCommitmentsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "SETTLEMENT OF LEGAL CLAIM"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_CapitalExpendituresOfExplorationAndEvaluationIncurredButNotYetPaidIncludedInAccountsPayableAndAccruedLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "CapitalExpendituresOfExplorationAndEvaluationIncurredButNotYetPaidIncludedInAccountsPayableAndAccruedLiabilities",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosuresScheduleOfSupplementalCashFlowDisclosuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Future cash outflow to pay for purchases of exploration and evaluation assets that have occurred and included in accounts payable and accrued liabilities.",
        "label": "Capital Expenditures Of Exploration And Evaluation Incurred But Not Yet Paid Included In Accounts Payable And Accrued Liabilities",
        "terseLabel": "E&amp;E assets included in accounts payable and accrued liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_CapitalExpendituresOfPropertyPlantAndEquipmentIncurredButNotYetPaidIncludedInAccountsPayableAndAccruedLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "CapitalExpendituresOfPropertyPlantAndEquipmentIncurredButNotYetPaidIncludedInAccountsPayableAndAccruedLiabilities",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosuresScheduleOfSupplementalCashFlowDisclosuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Future cash outflow to pay for purchases of property plant and equipment that have occurred and included in accounts payable and accrued liabilities.",
        "label": "Capital Expenditures Of Property Plant And Equipment Incurred But Not Yet Paid Included In Accounts Payable And Accrued Liabilities",
        "terseLabel": "Property, plant and equipment in accounts payable and accrued liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_CapitalLossCarryForwards": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "CapitalLossCarryForwards",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of capital loss carryforwards.",
        "label": "Capital Loss Carry Forwards",
        "terseLabel": "Capital loss carry forwards"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r11",
      "r15",
      "r59",
      "r60",
      "r62",
      "r63",
      "r64",
      "r65",
      "r66",
      "r142",
      "r157",
      "r158",
      "r223",
      "r227",
      "r248",
      "r249",
      "r250",
      "r251",
      "r252",
      "r253",
      "r254",
      "r270",
      "r274",
      "r275"
     ]
    },
    "ifrs-full_CarryingAmountMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CarryingAmountMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Carrying amount [member]"
       }
      }
     },
     "auth_ref": [
      "r15",
      "r60",
      "r62",
      "r64",
      "r65",
      "r142",
      "r157",
      "r158",
      "r227",
      "r249",
      "r250",
      "r252",
      "r253",
      "r270",
      "r274",
      "r275"
     ]
    },
    "ifrs-full_CashAndCashEquivalents": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashAndCashEquivalents",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsLiquidityRiskDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash and cash equivalents",
        "periodEndLabel": "Cash and cash equivalents at end of year",
        "periodStartLabel": "Cash and cash equivalents at beginning of year",
        "terseLabel": "Cash and cash equivalents"
       }
      },
      "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]"
       }
      }
     },
     "auth_ref": [
      "r75",
      "r89",
      "r211",
      "r307"
     ]
    },
    "ifrs-full_CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash and cash equivalents in subsidiary or businesses acquired or disposed",
        "terseLabel": "Cash acquired from Maritime acquisition"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of cash and cash equivalents in subsidiaries or other businesses over which control is obtained or lost. [Refer: Total for all subsidiaries [member]; Cash and cash equivalents]"
       }
      }
     },
     "auth_ref": [
      "r73"
     ]
    },
    "ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashAndCashEquivalentsRecognisedAsOfAcquisitionDate",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails": {
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash and cash equivalents recognised as of acquisition date",
        "terseLabel": "Cash"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for cash and cash equivalents acquired in a business combination. [Refer: Cash and cash equivalents; Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r417"
     ]
    },
    "nfgc_CashCollateralForSurety": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "CashCollateralForSurety",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the cash collateral for surety bond maintained.",
        "label": "Cash Collateral for Surety",
        "terseLabel": "Cash collateral"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CashFlowsFromUsedInExplorationForAndEvaluationOfMineralResourcesClassifiedAsInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsFromUsedInExplorationForAndEvaluationOfMineralResourcesClassifiedAsInvestingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) exploration for and evaluation of mineral resources, classified as investing activities",
        "terseLabel": "Purchases of exploration and evaluation assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash flows from (used in) 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, classified as investing activities."
       }
      }
     },
     "auth_ref": [
      "r148"
     ]
    },
    "ifrs-full_CashFlowsFromUsedInFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsFromUsedInFinancingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) financing activities",
        "totalLabel": "Net cash and cash equivalents from financing activities"
       }
      },
      "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, from continuing and discontinued operations."
       }
      }
     },
     "auth_ref": [
      "r68",
      "r76"
     ]
    },
    "ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsFromUsedInFinancingActivitiesAbstract",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flows from financing activities",
        "terseLabel": "Financing cash flows"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CashFlowsFromUsedInInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsFromUsedInInvestingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) investing activities",
        "totalLabel": "Net cash and cash equivalents from (used in) investing activities"
       }
      },
      "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, from continuing and discontinued operations."
       }
      }
     },
     "auth_ref": [
      "r68",
      "r76"
     ]
    },
    "ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsFromUsedInInvestingActivitiesAbstract",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flows from investing activities",
        "terseLabel": "Investing cash flows"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CashFlowsFromUsedInOperatingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsFromUsedInOperatingActivities",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureNatureOfOperationsAndGoingConcernDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) operating activities",
        "negatedLabel": "Negative cash flow from operating activities",
        "totalLabel": "Net cash and cash equivalents used in operating activities"
       }
      }
     },
     "auth_ref": [
      "r68",
      "r76"
     ]
    },
    "ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsFromUsedInOperatingActivitiesAbstract",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flows from operating activities",
        "terseLabel": "Operating cash flows"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CashFlowsFromUsedInOperations": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsFromUsedInOperations",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) operations",
        "totalLabel": "Operating cash flow before changes in non-cash working capital"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash from (used in) the entity's operations."
       }
      }
     },
     "auth_ref": [
      "r343",
      "r344"
     ]
    },
    "ifrs-full_CategoriesOfRelatedPartiesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CategoriesOfRelatedPartiesAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsDetails",
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Categories of related parties [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r33",
      "r234"
     ]
    },
    "ifrs-full_CategoriesOfRelatedPartiesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CategoriesOfRelatedPartiesDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsDetails",
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Categories of related parties [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Categories of related parties' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r33",
      "r234"
     ]
    },
    "nfgc_ChadWilliamsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ChadWilliamsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Chad Williams.",
        "label": "Chad Williams [Member]",
        "terseLabel": "Chad Williams"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ChangesInInventoriesOfFinishedGoodsAndWorkInProgress": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ChangesInInventoriesOfFinishedGoodsAndWorkInProgress",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails": {
       "parentTag": "ifrs-full_OperatingExpense",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Decrease (increase) in inventories of finished goods and work in progress",
        "terseLabel": "Change in inventories"
       }
      }
     },
     "auth_ref": [
      "r329",
      "r380"
     ]
    },
    "nfgc_ChiefDevelopmentOfficerMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ChiefDevelopmentOfficerMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for chief development officer.",
        "label": "Chief Development Officer"
       }
      }
     },
     "auth_ref": []
    },
    "srt_ChiefExecutiveOfficerMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "ChiefExecutiveOfficerMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Chief Executive Officer [Member]",
        "terseLabel": "Chief Executive Officer"
       }
      }
     },
     "auth_ref": []
    },
    "srt_ChiefFinancialOfficerMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "ChiefFinancialOfficerMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Chief Financial Officer"
       }
      }
     },
     "auth_ref": []
    },
    "srt_ChiefOperatingOfficerMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "ChiefOperatingOfficerMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Chief Operating Officer"
       }
      }
     },
     "auth_ref": []
    },
    "dei_CityAreaCode": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "CityAreaCode",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "City Area Code",
        "documentation": "Area code of city"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ClassOfWarrantOrRightValueOfSecuritiesCalledByWarrantsOrRights": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ClassOfWarrantOrRightValueOfSecuritiesCalledByWarrantsOrRights",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Value of securities into which the class of warrant or right may be converted.",
        "label": "Class of Warrant or Right, Value of Securities Called by Warrants or Rights",
        "terseLabel": "Aggregate value of securities"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ClassesOfAssetsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfAssetsAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of assets [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r48",
      "r51",
      "r99",
      "r106",
      "r193",
      "r241",
      "r284"
     ]
    },
    "ifrs-full_ClassesOfAssetsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfAssetsDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of assets [domain]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r48",
      "r99",
      "r106",
      "r193",
      "r241",
      "r284"
     ]
    },
    "ifrs-full_ClassesOfFinancialAssetsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfFinancialAssetsAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsCompanySFinancialInstrumentsAccordingToFairValueHierarchyDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of financial assets [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r119",
      "r164",
      "r165",
      "r187",
      "r188",
      "r292"
     ]
    },
    "ifrs-full_ClassesOfFinancialAssetsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfFinancialAssetsDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsCompanySFinancialInstrumentsAccordingToFairValueHierarchyDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of financial assets [domain]"
       }
      },
      "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]"
       }
      }
     },
     "auth_ref": [
      "r119",
      "r164",
      "r165",
      "r187",
      "r188",
      "r292"
     ]
    },
    "ifrs-full_ClassesOfFinancialInstrumentsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfFinancialInstrumentsAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesDetails",
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesMovementInCompanySSecuredNotesDetails",
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesNarrativesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of financial instruments [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r157",
      "r159",
      "r160",
      "r161",
      "r274",
      "r276"
     ]
    },
    "ifrs-full_ClassesOfFinancialInstrumentsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfFinancialInstrumentsDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesDetails",
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesMovementInCompanySSecuredNotesDetails",
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesNarrativesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of financial instruments [domain]"
       }
      },
      "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]"
       }
      }
     },
     "auth_ref": [
      "r157",
      "r159",
      "r160",
      "r161",
      "r274",
      "r276"
     ]
    },
    "ifrs-full_ClassesOfInventoriesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfInventoriesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "INVENTORIES"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ClassesOfOtherProvisionsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfOtherProvisionsDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of other provisions [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for provisions other than provisions for employee benefits. It also represents the standard value for the 'Classes of other provisions' axis if no other member is used. [Refer: Provisions]"
       }
      }
     },
     "auth_ref": [
      "r58",
      "r247"
     ]
    },
    "ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfPropertyPlantAndEquipmentAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPropertyPlantAndEquipmentDetails",
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails",
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of property, plant and equipment [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r16",
      "r228"
     ]
    },
    "ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfPropertyPlantAndEquipmentDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPropertyPlantAndEquipmentDetails",
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails",
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of property, plant and equipment [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Classes of property, plant and equipment' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r16",
      "r228"
     ]
    },
    "ifrs-full_ClassesOfProvisionsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfProvisionsAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of other provisions [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r58",
      "r247"
     ]
    },
    "ifrs-full_ClassesOfShareCapitalAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfShareCapitalAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of share capital [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r205",
      "r287",
      "r320"
     ]
    },
    "ifrs-full_ClassesOfShareCapitalDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfShareCapitalDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of share capital [domain]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r205",
      "r287",
      "r320"
     ]
    },
    "nfgc_CollinKettellMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "CollinKettellMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Collin Kettell.",
        "label": "Collin Kettell [Member]",
        "terseLabel": "Collin Kettell"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_CommonSharePurchaseWarrantsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "CommonSharePurchaseWarrantsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for common share purchase warrants.",
        "label": "Common Share Purchase Warrants [Member]",
        "terseLabel": "Common share purchase warrants"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_CommonSharesIssuedOnOrBeforeNovember22023Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "CommonSharesIssuedOnOrBeforeNovember22023Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for common shares issued on or before November 2, 2023.",
        "label": "Common Shares Issued on or Before November 2, 2023 [Member]",
        "terseLabel": "Common shares on or before November 2, 2023"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_CommonSharesIssuedOnOrBeforeNovember22024Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "CommonSharesIssuedOnOrBeforeNovember22024Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for common shares issued on or before November 2, 2024.",
        "label": "Common Shares Issued on or Before November 2, 2024 [Member]",
        "terseLabel": "Common shares on or before November 2, 2024"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_CommonSharesIssuedOnOrBeforeNovember22025Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "CommonSharesIssuedOnOrBeforeNovember22025Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for common shares issued on or before November 2, 2025.",
        "label": "Common Shares Issued on or Before November 2, 2025 [Member]",
        "terseLabel": "Common shares on or before November 2, 2025"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_CommonSharesIssuedOnOrBeforeNovember22026Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "CommonSharesIssuedOnOrBeforeNovember22026Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for common shares issued on or before November 2, 2026.",
        "label": "Common Shares Issued on or Before November 2, 2026 [Member]",
        "terseLabel": "Common shares on or before November 2, 2026"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_CommonSharesIssuedOnOrBeforeNovember22027Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "CommonSharesIssuedOnOrBeforeNovember22027Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for common shares issued on or before November 2, 2027.",
        "label": "Common Shares Issued on or Before November 2, 2027 [Member]",
        "terseLabel": "Common shares on or before November 2, 2027"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ComponentsOfEquityAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ComponentsOfEquityAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Components of equity [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r297"
     ]
    },
    "ifrs-full_ComponentsOfEquityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ComponentsOfEquityDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Components of equity [domain]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r297"
     ]
    },
    "ifrs-full_ComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ComprehensiveIncome",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Comprehensive income",
        "verboseLabel": "Loss and comprehensive loss for the year"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of change in equity resulting from transactions and other events, other than those changes resulting from transactions with owners in their capacity as owners."
       }
      }
     },
     "auth_ref": [
      "r80",
      "r82",
      "r87",
      "r237",
      "r256",
      "r294",
      "r323",
      "r345"
     ]
    },
    "ifrs-full_ComputerEquipmentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ComputerEquipmentMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Computer Equipment",
        "terseLabel": "Computer equipment"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a class of property, plant and equipment representing computer equipment. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r400"
     ]
    },
    "ifrs-full_ConstructionInProgressMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ConstructionInProgressMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Construction in progress [member]",
        "terseLabel": "Construction-in-progress"
       }
      },
      "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]"
       }
      }
     },
     "auth_ref": [
      "r400"
     ]
    },
    "nfgc_ConsultantMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ConsultantMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesRestrictedShareUnitsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for consultant.",
        "label": "Consultant [Member]",
        "terseLabel": "Consultant"
       }
      }
     },
     "auth_ref": []
    },
    "dei_ContactPersonnelName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "ContactPersonnelName",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Contact Personnel Name",
        "documentation": "Name of contact personnel"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ContractorsExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ContractorsExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails": {
       "parentTag": "nfgc_OperatingExpenseExcludingChangesInInventories",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of contractor expense.",
        "label": "Contractors Expense",
        "terseLabel": "Contractors"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_CostOfEquitySecuritiesHeld": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "CostOfEquitySecuritiesHeld",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsEquitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the cost of equity security held.",
        "label": "Cost of Equity Securities Held",
        "terseLabel": "Equities held, Cost"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CostOfInventoriesRecognisedAsExpenseDuringPeriod",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInventoriesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cost of inventories recognised as expense during period",
        "terseLabel": "Cost of inventory"
       }
      }
     },
     "auth_ref": [
      "r23",
      "r209"
     ]
    },
    "ifrs-full_CostOfSales": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CostOfSales",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss": {
       "parentTag": "ifrs-full_GrossProfit",
       "weight": -1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cost of sales.",
        "negatedLabel": "Cost of sales",
        "totalLabel": "Cost of sales"
       }
      }
     },
     "auth_ref": [
      "r293",
      "r329"
     ]
    },
    "nfgc_CostOfSalesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "CostOfSalesAbstract",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "No definition available.",
        "label": "Cost of Sales"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_CostOfWarrantOrRightHeld": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "CostOfWarrantOrRightHeld",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsWarrantsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the cost of warrants held.",
        "label": "Cost of Warrant or Right Held",
        "terseLabel": "Warrants held, Cost"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CounterpartiesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CounterpartiesAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsDetails",
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Counterparties [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r168"
     ]
    },
    "ifrs-full_CounterpartiesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CounterpartiesDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsDetails",
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Counterparties [domain]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r168"
     ]
    },
    "srt_CounterpartyNameAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "CounterpartyNameAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSettlementOfLegalClaimDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Counterparty Name [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_CrushedMillFeedDeliveryThroughputCapacityPerDay": {
     "xbrltype": "massItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "CrushedMillFeedDeliveryThroughputCapacityPerDay",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The throughput capacity at which crushed ore or mill feed is delivered to or processed by a milling facility during mining operations.",
        "label": "Crushed Mill Feed Delivery Throughput Capacity Per Day",
        "terseLabel": "Crushed mill feed delivery, capacity per day"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_CrushedMillFeedProcessingFacilityAnnualThroughputCapacity": {
     "xbrltype": "massItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "CrushedMillFeedProcessingFacilityAnnualThroughputCapacity",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Annual throughput capacity of the processing facility plant to process the crushed mill feed that were delivered from mine.",
        "label": "Crushed Mill Feed Processing Facility, Annual Throughput Capacity",
        "terseLabel": "Crushed mill feed processing facility, annual throughput capacity"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_CrushedMillFeedProcessingFacilityThroughputCapacityPerDay": {
     "xbrltype": "massItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "CrushedMillFeedProcessingFacilityThroughputCapacityPerDay",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The throughput capacity at which crushed ore or mill feed is processed by a milling facility during mining operations.",
        "label": "Crushed Mill Feed Processing Facility, Throughput Capacity Per Day",
        "terseLabel": "Crushed mill feed processing facility, capacity per day"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_CumulativeExpenseArisingFromExplorationForAndEvaluationOfMineralResources": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "CumulativeExpenseArisingFromExplorationForAndEvaluationOfMineralResources",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsExplorationAndEvaluationExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the amount of cumulative exploration expense as of balance sheet date.",
        "label": "Cumulative Expense Arising From Exploration for and Evaluation of Mineral Resources",
        "periodEndLabel": "Cumulative exploration expense at end of the year",
        "periodStartLabel": "Cumulative exploration expense at beginning of the year"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CurrencyRiskMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrencyRiskMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsMarketRiskDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Currency risk [member]",
        "terseLabel": "Currency risk"
       }
      },
      "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: Classes of financial instruments [domain]]"
       }
      }
     },
     "auth_ref": [
      "r113",
      "r114",
      "r115",
      "r116",
      "r169"
     ]
    },
    "ifrs-full_CurrentAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current assets",
        "totalLabel": "Total current assets"
       }
      },
      "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]"
       }
      }
     },
     "auth_ref": [
      "r85",
      "r314",
      "r345"
     ]
    },
    "ifrs-full_CurrentAssetsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentAssetsAbstract",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current Assets Abstract",
        "terseLabel": "Current assets"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CurrentAssetsLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentAssetsLiabilities",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureNatureOfOperationsAndGoingConcernDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current assets (liabilities)",
        "terseLabel": "Working capital"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current assets less the amount of current liabilities."
       }
      }
     },
     "auth_ref": [
      "r427"
     ]
    },
    "dei_CurrentFiscalYearEndDate": {
     "xbrltype": "gMonthDayItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "CurrentFiscalYearEndDate",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current Fiscal Year End Date",
        "documentation": "End date of current fiscal year in the format --MM-DD."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CurrentInvestments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentInvestments",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0,
       "order": 4.0
      },
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsAnalysisOfInvestmentsIncludingRelatedGainsAndLossesDetails",
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current investments",
        "periodEndLabel": "Investments, end of year",
        "periodStartLabel": "Investments, beginning of year",
        "terseLabel": "Investments",
        "totalLabel": "Total Investments"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current investments."
       }
      }
     },
     "auth_ref": [
      "r427"
     ]
    },
    "ifrs-full_CurrentLeaseLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentLeaseLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureOtherCurrentLiabilitiesDetails": {
       "parentTag": "ifrs-full_OtherCurrentLiabilities",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOtherCurrentLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current lease liabilities",
        "terseLabel": "Current portion of lease liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current lease liabilities. [Refer: Lease liabilities]"
       }
      }
     },
     "auth_ref": [
      "r105"
     ]
    },
    "ifrs-full_CurrentLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_Liabilities",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current liabilities",
        "totalLabel": "Total current liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "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."
       }
      }
     },
     "auth_ref": [
      "r86",
      "r315",
      "r345"
     ]
    },
    "ifrs-full_CurrentLiabilitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentLiabilitiesAbstract",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current liabilities [abstract]",
        "terseLabel": "Current liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CurrentOreStockpiles": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentOreStockpiles",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureInventoriesDetails": {
       "parentTag": "ifrs-full_Inventories",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInventoriesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current ore stockpiles",
        "terseLabel": "Stockpiled mineralized material"
       }
      },
      "en": {
       "role": {
        "documentation": "A classification of current inventory representing the amount of ore stockpiles. [Refer: Inventories]"
       }
      }
     },
     "auth_ref": [
      "r403"
     ]
    },
    "ifrs-full_CurrentPortionOfLongtermBorrowings": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentPortionOfLongtermBorrowings",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureOtherCurrentLiabilitiesDetails": {
       "parentTag": "ifrs-full_OtherCurrentLiabilities",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOtherCurrentLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current portion of non-current borrowings",
        "terseLabel": "Current portion of loans"
       }
      },
      "en": {
       "role": {
        "documentation": "The current portion of non-current borrowings. [Refer: Borrowings]"
       }
      }
     },
     "auth_ref": [
      "r427"
     ]
    },
    "nfgc_CurrentPrepaymentsAndDeposits": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "CurrentPrepaymentsAndDeposits",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of prepaid expenses and deposits classified as current.",
        "label": "Current Prepayments And Deposits",
        "terseLabel": "Prepayments and deposits"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CurrentRawMaterialsAndCurrentProductionSupplies": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentRawMaterialsAndCurrentProductionSupplies",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureInventoriesDetails": {
       "parentTag": "ifrs-full_Inventories",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInventoriesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current raw materials and current production supplies",
        "terseLabel": "Supplies and consumables"
       }
      },
      "en": {
       "role": {
        "documentation": "A classification of current inventory representing the amount of current raw materials and current production supplies. [Refer: Current production supplies; Current raw materials]"
       }
      }
     },
     "auth_ref": [
      "r403"
     ]
    },
    "ifrs-full_CurrentValueAddedTaxReceivables": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentValueAddedTaxReceivables",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureReceivablesDetails": {
       "parentTag": "ifrs-full_TradeAndOtherCurrentReceivables",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReceivablesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current value added tax receivables",
        "terseLabel": "Sales tax receivables"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current value added tax receivables. [Refer: Value added tax receivables]"
       }
      }
     },
     "auth_ref": [
      "r428"
     ]
    },
    "nfgc_DebtInstrumentAdditionalBorrowingTerm": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DebtInstrumentAdditionalBorrowingTerm",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Period of additional borrowing of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Debt Instrument, Additional Borrowing Term",
        "terseLabel": "Debt instrument additional borrowing term"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_DebtInstrumentPercentageOfQuarterlyAdministrationFee": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DebtInstrumentPercentageOfQuarterlyAdministrationFee",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of quarterly administration fees of debt instrument.",
        "label": "Debt Instrument, Percentage Of Quarterly Administration Fee",
        "terseLabel": "Quarterly administration fees percentage"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DebtInstrumentsHeld": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DebtInstrumentsHeld",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsLiquidityRiskDetails",
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesMovementInCompanySSecuredNotesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt instruments held",
        "periodEndLabel": "Carrying value, end of year",
        "periodStartLabel": "Carrying value, beginning of year",
        "terseLabel": "Secured notes"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of instruments representing indebtedness, including instruments called debt securities, held by the entity."
       }
      }
     },
     "auth_ref": [
      "r427"
     ]
    },
    "ifrs-full_DebtInstrumentsHeldAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DebtInstrumentsHeldAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "SECURED NOTES"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_DebtInstrumentsHeldCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DebtInstrumentsHeldCurrent",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of instruments representing indebtedness, including instruments called debt securities, held by the entity, classified as current.",
        "label": "Debt Instruments Held, Current",
        "terseLabel": "Secured notes"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DeferredTaxAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DeferredTaxAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfComponentsOfDeferredIncomeTaxAssetsAndLiabilitiesDetails": {
       "parentTag": "ifrs-full_DeferredTaxLiabilityAsset",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfComponentsOfDeferredIncomeTaxAssetsAndLiabilitiesDetails",
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfDeductibleTemporaryDifferencesUnusedTaxLossesAndUnusedTaxCreditsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred tax assets",
        "terseLabel": "Deferred tax asset",
        "verboseLabel": "Deferred income tax assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The amounts of income taxes recoverable in future periods in respect of: (a) deductible temporary differences; (b) the carryforward of unused tax losses; and (c) the carryforward of unused tax credits. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]]"
       }
      }
     },
     "auth_ref": [
      "r6",
      "r219",
      "r309",
      "r311"
     ]
    },
    "ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DeferredTaxExpenseIncomeRecognisedInProfitOrLoss",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesDetailsCalc2": {
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesDetails",
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfMovementInNetDeferredIncomeTaxLiabilityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred tax expense (income) recognised in profit or loss",
        "negatedLabel": "Deferred tax recovery",
        "terseLabel": "Recognized in net income"
       }
      }
     },
     "auth_ref": [
      "r7",
      "r220"
     ]
    },
    "ifrs-full_DeferredTaxLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DeferredTaxLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfComponentsOfDeferredIncomeTaxAssetsAndLiabilitiesDetails": {
       "parentTag": "ifrs-full_DeferredTaxLiabilityAsset",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_Liabilities",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfComponentsOfDeferredIncomeTaxAssetsAndLiabilitiesDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred tax liabilities",
        "negatedLabel": "Deferred income tax liabilities",
        "terseLabel": "Deferred income tax liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amounts of income taxes payable in future periods in respect of taxable temporary differences. [Refer: Temporary differences [member]]"
       }
      }
     },
     "auth_ref": [
      "r6",
      "r219",
      "r309",
      "r311"
     ]
    },
    "ifrs-full_DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails": {
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": -1.0,
       "order": 13.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred tax liabilities recognised as of acquisition date",
        "negatedLabel": "Deferred income tax liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for deferred tax liabilities assumed in a business combination. [Refer: Deferred tax liabilities; Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r417"
     ]
    },
    "ifrs-full_DeferredTaxLiabilityAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DeferredTaxLiabilityAsset",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfComponentsOfDeferredIncomeTaxAssetsAndLiabilitiesDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfComponentsOfDeferredIncomeTaxAssetsAndLiabilitiesDetails",
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfMovementInNetDeferredIncomeTaxLiabilityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred tax liability (asset)",
        "periodEndLabel": "Balance, end of year",
        "periodStartLabel": "Balance, beginning of year",
        "totalLabel": "Net deferred income tax liability"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of deferred tax liabilities or assets. [Refer: Deferred tax liabilities; Deferred tax assets]"
       }
      }
     },
     "auth_ref": [
      "r6",
      "r219"
     ]
    },
    "nfgc_DenisLavioletteMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DenisLavioletteMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Denis Laviolette.",
        "label": "Denis Laviolette [Member]",
        "terseLabel": "Denis Laviolette"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_DepreciationCapitalizedToInventories": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DepreciationCapitalizedToInventories",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase in inventories due to capitalization of depreciation.",
        "label": "Depreciation Capitalized To Inventories",
        "terseLabel": "Amount of increase in inventories"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_DepreciationExpenseIncludedInGeneralAndAdministrativeExpenses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DepreciationExpenseIncludedInGeneralAndAdministrativeExpenses",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureGeneralAndAdministrativeExpensesDetails": {
       "parentTag": "ifrs-full_GeneralAndAdministrativeExpense",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureGeneralAndAdministrativeExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of depreciation expense included in general and administrative expenses.",
        "label": "Depreciation Expense Included In General And Administrative Expenses",
        "terseLabel": "Depreciation"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_DepreciationExpenseIncludedInOperatingExpenses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DepreciationExpenseIncludedInOperatingExpenses",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails": {
       "parentTag": "nfgc_OperatingExpenseExcludingChangesInInventories",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of depreciation expense included in operating expenses.",
        "label": "Depreciation Expense Included In Operating Expenses",
        "terseLabel": "Depreciation"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DepreciationPropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DepreciationPropertyPlantAndEquipment",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Depreciation, property, plant and equipment",
        "terseLabel": "Depreciation"
       }
      }
     },
     "auth_ref": [
      "r14",
      "r17",
      "r226"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for business combinations [text block]",
        "terseLabel": "Business combinations"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for business combinations. [Refer: Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r426"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForDecommissioningRestorationAndRehabilitationProvisionsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForDecommissioningRestorationAndRehabilitationProvisionsExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for decommissioning, restoration and rehabilitation provisions [text block]",
        "terseLabel": "Reclamation and closure cost provisions"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for decommissioning, restoration and rehabilitation provisions. [Refer: Provision for decommissioning, restoration and rehabilitation costs]"
       }
      }
     },
     "auth_ref": [
      "r426"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForExplorationAndEvaluationExpenditures": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForExplorationAndEvaluationExpenditures",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for exploration and evaluation expenditures [text block]",
        "terseLabel": "Exploration, evaluation and development expenditures"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for exploration and evaluation assets. [Refer: Exploration and evaluation assets [member]]"
       }
      }
     },
     "auth_ref": [
      "r147"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for financial instruments [text block]",
        "terseLabel": "Financial instruments"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for financial instruments. [Refer: Classes of financial instruments [domain]]"
       }
      }
     },
     "auth_ref": [
      "r426"
     ]
    },
    "nfgc_DescriptionOfAccountingPolicyForFlowThroughSharesPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DescriptionOfAccountingPolicyForFlowThroughSharesPolicyTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of accounting policy for flow-through shares.",
        "label": "Description of Accounting Policy for Flow Through Shares [Policy Text Block]",
        "terseLabel": "Flow-through shares"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DescriptionOfAccountingPolicyForGoodwillExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForGoodwillExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for goodwill [text block]",
        "terseLabel": "Goodwill"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for goodwill. [Refer: Goodwill]"
       }
      }
     },
     "auth_ref": [
      "r426"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for impairment of non-financial assets [text block]",
        "terseLabel": "Impairment and impairment reversal of long-lived assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for the impairment of non-financial assets. [Refer: Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r426"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForIncomeTaxExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for income tax [text block]",
        "terseLabel": "Income taxes"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for income tax."
       }
      }
     },
     "auth_ref": [
      "r426"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociates": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForInvestmentInAssociates",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for investment in associates [text block]",
        "terseLabel": "Investment in an associate"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for investments in associates. [Refer: Total for all associates [member]]"
       }
      }
     },
     "auth_ref": [
      "r426"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for investments other than investments accounted for using equity method [text block]",
        "terseLabel": "Investments"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for investments other than investments accounted for using the equity method. [Refer: Investments accounted for using equity method; Investments other than investments accounted for using equity method]"
       }
      }
     },
     "auth_ref": [
      "r426"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForMeasuringInventories",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for measuring inventories [text block]",
        "terseLabel": "Inventories"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for measuring inventories. [Refer: Inventories]"
       }
      }
     },
     "auth_ref": [
      "r21",
      "r207"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for property, plant and equipment [text block]",
        "terseLabel": "Property, plant and equipment"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for property, plant and equipment. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r426"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForRecognitionOfRevenue",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for recognition of revenue [text block]",
        "terseLabel": "Revenue recognition"
       }
      }
     },
     "auth_ref": [
      "r426"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for share-based payment transactions [text block]",
        "terseLabel": "Share-based payment transactions"
       }
      },
      "en": {
       "role": {
        "documentation": "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: Types of share-based payment arrangements [domain]]"
       }
      }
     },
     "auth_ref": [
      "r426"
     ]
    },
    "ifrs-full_DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of expected impact of initial application of new standards or interpretations [text block]",
        "terseLabel": "New accounting standard issued not yet effective"
       }
      }
     },
     "auth_ref": [
      "r78",
      "r213"
     ]
    },
    "ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted": {
     "xbrltype": "percentItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfExpectedVolatilityShareOptionsGranted",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWeightedAverageFairValueAndAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Expected volatility, share options granted",
        "terseLabel": "Expected share price volatility"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r130"
     ]
    },
    "ifrs-full_DescriptionOfOptionLifeShareOptionsGranted": {
     "xbrltype": "decimalItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfOptionLifeShareOptionsGranted",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWeightedAverageFairValueAndAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Option life, share options granted",
        "terseLabel": "Expected option life in years"
       }
      },
      "en": {
       "role": {
        "documentation": "The option life of share options granted."
       }
      }
     },
     "auth_ref": [
      "r130"
     ]
    },
    "ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted": {
     "xbrltype": "percentItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfRiskFreeInterestRateShareOptionsGranted",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWeightedAverageFairValueAndAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Risk free interest rate, share options granted",
        "terseLabel": "Risk-free interest rate"
       }
      },
      "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]]"
       }
      }
     },
     "auth_ref": [
      "r130"
     ]
    },
    "ifrs-full_DilutedEarningsLossPerShare": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DilutedEarningsLossPerShare",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureBasicAndDilutedLossPerShareDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Diluted earnings (loss) per share",
        "terseLabel": "Loss per share - diluted"
       }
      },
      "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]]"
       }
      }
     },
     "auth_ref": [
      "r41",
      "r42"
     ]
    },
    "nfgc_DirectorsAndOfficersMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DirectorsAndOfficersMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesRestrictedShareUnitsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for directors and officers.",
        "label": "Directors and Officers [Member]",
        "terseLabel": "Director"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfAccountingJudgementsAndEstimatesExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAreasOfSignificantJudgmentsEstimatesAndAssumptions"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of accounting judgements and estimates [text block]",
        "terseLabel": "AREAS OF SIGNIFICANT JUDGMENTS, ESTIMATES AND ASSUMPTIONS"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of judgements that management has made in the process of applying the entity's accounting policies that have the most significant effect on amounts recognised in the financial statements along with information about the assumptions that the entity makes about the future, and other major sources of estimation uncertainty at the end of the reporting period, that have a significant risk of resulting in a material adjustment to the carrying amounts of assets and liabilities within the next year. [Refer: Carrying amount [member]]"
       }
      }
     },
     "auth_ref": [
      "r420"
     ]
    },
    "nfgc_DisclosureOfAccountsPayableAndAccruedLiabilitiesTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DisclosureOfAccountsPayableAndAccruedLiabilitiesTableTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAccountsPayableAndAccruedLiabilitiesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The disclosure of accounts payable and accrued liabilities.",
        "label": "Disclosure of Accounts Payable and Accrued Liabilities [Table Text Block]",
        "terseLabel": "Schedule of accounts payable and accrued liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAccountsPayableAndAccruedLiabilities"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of accrued expenses and other liabilities [text block]",
        "terseLabel": "ACCOUNTS PAYABLE AND ACCRUED LIABILITIES"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of accrued expenses and other liabilities. [Refer: Accruals; Other liabilities]"
       }
      }
     },
     "auth_ref": [
      "r420"
     ]
    },
    "ifrs-full_DisclosureOfBasisOfConsolidationExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfBasisOfConsolidationExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of basis of consolidation [text block]",
        "terseLabel": "Basis of consolidation"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the basis used for consolidation."
       }
      }
     },
     "auth_ref": [
      "r420"
     ]
    },
    "ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureBasisOfPresentation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of basis of preparation of financial statements [text block]",
        "terseLabel": "BASIS OF PRESENTATION"
       }
      }
     },
     "auth_ref": [
      "r420"
     ]
    },
    "nfgc_DisclosureOfBasisOfPresentationAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DisclosureOfBasisOfPresentationAbstract",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure of basis of presentation.",
        "label": "BASIS OF PRESENTATION"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfBusinessCombinationsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfBusinessCombinationsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "ACQUISITION OF MARITIME RESOURCES CORP."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfBusinessCombinationsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfBusinessCombinationsExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorp"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of business combinations [text block]",
        "terseLabel": "ACQUISITION OF MARITIME RESOURCES CORP."
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for business combinations."
       }
      }
     },
     "auth_ref": [
      "r144"
     ]
    },
    "ifrs-full_DisclosureOfBusinessCombinationsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfBusinessCombinationsLineItems",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpDetails",
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails",
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpRoyaltyArrangementDetails",
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpShareForDebtSettlementDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about business combination [line items]",
        "terseLabel": "ACQUISITION OF MARITIME RESOURCES CORP."
       }
      },
      "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."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfBusinessCombinationsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfBusinessCombinationsTable",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpDetails",
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails",
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpRoyaltyArrangementDetails",
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpShareForDebtSettlementDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about business combination [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to details of business combinations."
       }
      }
     },
     "auth_ref": [
      "r141",
      "r269"
     ]
    },
    "ifrs-full_DisclosureOfCashFlowStatementExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfCashFlowStatementExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosures"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of cash flow statement [text block]",
        "terseLabel": "CASH FLOW DISCLOSURES"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for a statement of cash flows."
       }
      }
     },
     "auth_ref": [
      "r77"
     ]
    },
    "nfgc_DisclosureOfCashFlowsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DisclosureOfCashFlowsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "n/a.",
        "label": "CASH FLOW DISCLOSURES"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfClassesOfShareCapitalAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfClassesOfShareCapitalAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "SHARE CAPITAL AND RESERVES"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfClassesOfShareCapitalLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfClassesOfShareCapitalLineItems",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesTables",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWarrantsActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of classes of share capital [line items]",
        "terseLabel": "SHARE CAPITAL AND RESERVES"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfClassesOfShareCapitalTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfClassesOfShareCapitalTable",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesTables",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWarrantsActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of classes of share capital [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to classes of share capital."
       }
      }
     },
     "auth_ref": [
      "r205",
      "r287",
      "r320"
     ]
    },
    "ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSettlementOfLegalClaim"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of commitments and contingent liabilities [text block]",
        "terseLabel": "SETTLEMENT OF LEGAL CLAIM"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of commitments and contingent liabilities. [Refer: Classes of contingent liabilities [domain]]"
       }
      }
     },
     "auth_ref": [
      "r420"
     ]
    },
    "nfgc_DisclosureOfComponentsOfOtherGainLossesTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DisclosureOfComponentsOfOtherGainLossesTableTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOtherIncomeExpensesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of components of other gain (losses).",
        "label": "Disclosure Of Components Of Other Gain (Losses) [Table Text Block]",
        "terseLabel": "Schedule of other income (expenses)"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfDeferredTaxesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDeferredTaxesExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of deferred taxes [text block]",
        "terseLabel": "Schedule of movements in the Company's net deferred income tax liability"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of deferred taxes. [Refer: Deferred tax liabilities; Deferred tax assets]"
       }
      }
     },
     "auth_ref": [
      "r420"
     ]
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about business combination [text block]",
        "terseLabel": "Schedule of purchase consideration and preliminary allocation"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of detailed information about business combinations. [Refer: Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r145"
     ]
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about financial instruments [text block]",
        "terseLabel": "Schedule of classifications of the Company's financial assets and liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of detailed information about financial instruments. [Refer: Classes of financial instruments [domain]]"
       }
      }
     },
     "auth_ref": [
      "r154",
      "r159",
      "r166",
      "r271"
     ]
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about property, plant and equipment [text block]",
        "terseLabel": "Schedule of property, plant and equipment"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of detailed information about property, plant and equipment. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r16",
      "r228"
     ]
    },
    "nfgc_DisclosureOfDetailedInformationOnGeneralAndAdministrativeExpenseTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DisclosureOfDetailedInformationOnGeneralAndAdministrativeExpenseTableTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureGeneralAndAdministrativeExpensesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of general and administrative expenses.",
        "label": "Disclosure Of Detailed Information On General And Administrative Expense [Table Text Block]",
        "terseLabel": "Schedule of general and administrative expenses"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfEarningsPerShareExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfEarningsPerShareExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureBasicAndDilutedLossPerShare"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of earnings per share [text block]",
        "terseLabel": "BASIC AND DILUTED LOSS PER SHARE"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for earnings per share."
       }
      }
     },
     "auth_ref": [
      "r45"
     ]
    },
    "ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfEntitysReportableSegmentsExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSegmentReporting"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of entity's operating segments [text block]",
        "terseLabel": "SEGMENT REPORTING"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for operating segments."
       }
      }
     },
     "auth_ref": [
      "r186"
     ]
    },
    "ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfEventsAfterReportingPeriodExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEvents"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of events after reporting period [text block]",
        "terseLabel": "SUBSEQUENT EVENTS"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for events after the reporting period."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "ifrs-full_DisclosureOfExpensesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfExpensesExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpenses"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of expenses [text block]",
        "terseLabel": "OPERATING EXPENSES"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of expenses."
       }
      }
     },
     "auth_ref": [
      "r420"
     ]
    },
    "ifrs-full_DisclosureOfExplorationAndEvaluationAssetsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfExplorationAndEvaluationAssetsExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of exploration and evaluation assets [text block]",
        "terseLabel": "EXPLORATION AND EVALUATION ASSETS"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for exploration and evaluation assets."
       }
      }
     },
     "auth_ref": [
      "r149"
     ]
    },
    "ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFairValueOfFinancialInstrumentsExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of fair value of financial instruments [text block]",
        "terseLabel": "Schedule of company's financial instruments at fair value hierarchy"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the fair value of financial instruments. [Refer: Classes of financial instruments [domain]; At fair value [member]]"
       }
      }
     },
     "auth_ref": [
      "r420"
     ]
    },
    "ifrs-full_DisclosureOfFinancialInstrumentsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFinancialInstrumentsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "FINANCIAL INSTRUMENTS"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfFinancialInstrumentsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFinancialInstrumentsExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstruments"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of financial instruments [text block]",
        "terseLabel": "FINANCIAL INSTRUMENTS"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for financial instruments."
       }
      }
     },
     "auth_ref": [
      "r170"
     ]
    },
    "ifrs-full_DisclosureOfFinancialInstrumentsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFinancialInstrumentsLineItems",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsCompanySFinancialInstrumentsAccordingToFairValueHierarchyDetails",
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsMarketRiskDetails",
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesDetails",
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesMovementInCompanySSecuredNotesDetails",
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesNarrativesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about financial instruments [line items]",
        "terseLabel": "SECURED NOTES"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfFinancialInstrumentsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFinancialInstrumentsTable",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsCompanySFinancialInstrumentsAccordingToFairValueHierarchyDetails",
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsMarketRiskDetails",
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesDetails",
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesMovementInCompanySSecuredNotesDetails",
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesNarrativesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about financial instruments [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to details of financial instruments."
       }
      }
     },
     "auth_ref": [
      "r154",
      "r159",
      "r166",
      "r271"
     ]
    },
    "nfgc_DisclosureOfFlowThroughSharePremiumTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DisclosureOfFlowThroughSharePremiumTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremium"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure of flow-through share premium.",
        "label": "Disclosure of Flow Through Share Premium [Text Block]",
        "terseLabel": "FLOW-THROUGH SHARE PREMIUM"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfGeneralAndAdministrativeExpenseExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureGeneralAndAdministrativeExpenses"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of general and administrative expense [text block]",
        "terseLabel": "GENERAL AND ADMINISTRATIVE EXPENSES"
       }
      }
     },
     "auth_ref": [
      "r420"
     ]
    },
    "ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureNatureOfOperationsAndGoingConcern"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of general information about financial statements [text block]",
        "terseLabel": "NATURE OF OPERATIONS AND GOING CONCERN"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for general information about financial statements."
       }
      }
     },
     "auth_ref": [
      "r201",
      "r301"
     ]
    },
    "nfgc_DisclosureOfGeneralInformationAboutReportingEntityAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DisclosureOfGeneralInformationAboutReportingEntityAbstract",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "No definition available.",
        "label": "NATURE OF OPERATIONS AND GOING CONCERN"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfIncomeTaxExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfIncomeTaxExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxes"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of income tax [text block]",
        "terseLabel": "INCOME TAXES"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for income taxes."
       }
      }
     },
     "auth_ref": [
      "r9"
     ]
    },
    "ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of indirect measurement of fair value of goods or services received, share options granted during period [text block]",
        "terseLabel": "Summary of weighted average and assumptions used to estimate the fair value of stock options granted"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r131"
     ]
    },
    "ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfInformationAboutKeyManagementPersonnelExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of information about key management personnel [text block]",
        "verboseLabel": "Summary of key management personnel compensation"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of information about key management personnel. [Refer: Key management personnel of entity or parent [member]]"
       }
      }
     },
     "auth_ref": [
      "r420"
     ]
    },
    "ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfInterestsInOtherEntitiesExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestments"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of interests in other entities [text block]",
        "terseLabel": "INVESTMENTS"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for interests in other entities."
       }
      }
     },
     "auth_ref": [
      "r83"
     ]
    },
    "ifrs-full_DisclosureOfInventoriesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfInventoriesExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInventories"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of inventories [text block]",
        "terseLabel": "INVENTORIES"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for inventories."
       }
      }
     },
     "auth_ref": [
      "r24"
     ]
    },
    "ifrs-full_DisclosureOfMajorCustomersLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfMajorCustomersLineItems",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRevenueDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of major customers [line items]",
        "terseLabel": "REVENUE"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfMajorCustomersTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfMajorCustomersTable",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRevenueDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of major customers [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the entity's major customers."
       }
      }
     },
     "auth_ref": [
      "r185"
     ]
    },
    "ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfMaterialAccountingPolicyInformationExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of material accounting policy information [text block]",
        "terseLabel": "MATERIAL ACCOUNTING POLICY INFORMATION"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure of material accounting policy information applied by the entity."
       }
      }
     },
     "auth_ref": [
      "r212",
      "r289",
      "r298"
     ]
    },
    "ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsScheduleOfMaturityProfileOfFinancialLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of maturity analysis for non-derivative financial liabilities [line items]",
        "terseLabel": "FINANCIAL INSTRUMENTS"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsScheduleOfMaturityProfileOfFinancialLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of maturity analysis for non-derivative financial liabilities [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the maturity analysis for non-derivative financial liabilities."
       }
      }
     },
     "auth_ref": [
      "r162",
      "r277"
     ]
    },
    "nfgc_DisclosureOfMovementInInvestmentInAssociatesTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DisclosureOfMovementInInvestmentInAssociatesTableTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of movement in investment in associate.",
        "label": "Disclosure of Movement in Investment in Associates [Table Text Block]",
        "terseLabel": "Schedule of movement in investment in associates"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_DisclosureOfNonCashWorkingCapitalChangesTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DisclosureOfNonCashWorkingCapitalChangesTableTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosuresTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of changes in non-cash working capital changes.",
        "label": "Disclosure Of Non-cash Working Capital Changes [Table Text Block]",
        "terseLabel": "Schedule of changes in non-cash working capital"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "SUBSEQUENT EVENTS"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of non-adjusting events after reporting period [line items]",
        "terseLabel": "SUBSEQUENT EVENTS"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfNonadjustingEventsAfterReportingPeriodTable",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of non-adjusting events after reporting period [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to non-adjusting events after the reporting period."
       }
      }
     },
     "auth_ref": [
      "r0",
      "r214"
     ]
    },
    "ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of number and weighted average exercise prices of other equity instruments [text block]",
        "terseLabel": "Summary of outstanding equity-settled RSUs"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the number and weighted average exercise prices of other equity instruments (ie other than share options)."
       }
      }
     },
     "auth_ref": [
      "r416"
     ]
    },
    "ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of number and weighted average exercise prices of share options [text block]",
        "terseLabel": "Summary of outstanding stock options"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the number and weighted average exercise prices of share options. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r126",
      "r263"
     ]
    },
    "ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "CAPITAL MANAGEMENT"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureCapitalManagement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of objectives, policies and processes for managing capital [text block]",
        "terseLabel": "CAPITAL MANAGEMENT"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r299"
     ]
    },
    "nfgc_DisclosureOfOperatingExpensesTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DisclosureOfOperatingExpensesTableTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of operating expenses.",
        "label": "Disclosure Of Operating Expenses [Table Text Block]",
        "terseLabel": "Schedule of operating expenses"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfOperatingSegmentsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfOperatingSegmentsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "SEGMENT REPORTING"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfOperatingSegmentsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfOperatingSegmentsExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of operating segments [text block]",
        "terseLabel": "Schedule of operating segments"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of operating segments. [Refer: Operating segments [member]]"
       }
      }
     },
     "auth_ref": [
      "r174"
     ]
    },
    "ifrs-full_DisclosureOfOperatingSegmentsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfOperatingSegmentsLineItems",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of operating segments [line items]",
        "terseLabel": "SEGMENT REPORTING"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfOperatingSegmentsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfOperatingSegmentsTable",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of operating segments [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to operating segments."
       }
      }
     },
     "auth_ref": [
      "r174"
     ]
    },
    "ifrs-full_DisclosureOfOtherCurrentLiabilitiesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfOtherCurrentLiabilitiesExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOtherCurrentLiabilities"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of other current liabilities [text block]",
        "terseLabel": "OTHER CURRENT LIABILITIES"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of other current liabilities. [Refer: Other current liabilities]"
       }
      }
     },
     "auth_ref": [
      "r420"
     ]
    },
    "nfgc_DisclosureOfOtherGainLossesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DisclosureOfOtherGainLossesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "n/a.",
        "label": "OTHER INCOME (EXPENSES)"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_DisclosureOfOtherGainLossesTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DisclosureOfOtherGainLossesTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOtherIncomeExpenses"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure of other gain (losses).",
        "label": "Disclosure of Other Gain (Losses) [Text Block]",
        "terseLabel": "OTHER INCOME (EXPENSES)"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfOtherProvisionsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfOtherProvisionsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "RECLAMATION AND CLOSURE COST PROVISIONS"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfOtherProvisionsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfOtherProvisionsExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of other provisions [text block]",
        "terseLabel": "Schedule of movement in reclamation and closure cost provisions"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of other provisions. [Refer: Other provisions]"
       }
      }
     },
     "auth_ref": [
      "r58",
      "r247"
     ]
    },
    "ifrs-full_DisclosureOfOtherProvisionsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfOtherProvisionsLineItems",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of other provisions [line items]",
        "terseLabel": "RECLAMATION AND CLOSURE COST PROVISIONS"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfOtherProvisionsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfOtherProvisionsTable",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of other provisions [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to other provisions."
       }
      }
     },
     "auth_ref": [
      "r58",
      "r247"
     ]
    },
    "ifrs-full_DisclosureOfProductsAndServicesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfProductsAndServicesExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRevenueTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of products and services [text block]",
        "terseLabel": "Schedule of revenue disaggregated by metal"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the entity's products and services. [Refer: Products and services [domain]]"
       }
      }
     },
     "auth_ref": [
      "r182"
     ]
    },
    "ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfPropertyPlantAndEquipmentAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "PROPERTY, PLANT AND EQUIPMENT"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfPropertyPlantAndEquipmentExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipment"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of property, plant and equipment [text block]",
        "terseLabel": "PROPERTY, PLANT AND EQUIPMENT"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for property, plant and equipment."
       }
      }
     },
     "auth_ref": [
      "r19"
     ]
    },
    "ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfPropertyPlantAndEquipmentLineItems",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPropertyPlantAndEquipmentDetails",
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about property, plant and equipment [line items]",
        "terseLabel": "MATERIAL ACCOUNTING POLICY INFORMATION"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfPropertyPlantAndEquipmentTable",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPropertyPlantAndEquipmentDetails",
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about property, plant and equipment [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to details of property, plant and equipment."
       }
      }
     },
     "auth_ref": [
      "r16",
      "r228"
     ]
    },
    "ifrs-full_DisclosureOfProvisionsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfProvisionsExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisions"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of provisions [text block]",
        "terseLabel": "RECLAMATION AND CLOSURE COST PROVISIONS"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of provisions. [Refer: Provisions]"
       }
      }
     },
     "auth_ref": [
      "r420"
     ]
    },
    "ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSettlementOfLegalClaimDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of quantitative information about right-of-use assets [line items]",
        "terseLabel": "SETTLEMENT OF LEGAL CLAIM"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSettlementOfLegalClaimDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of quantitative information about right-of-use assets [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to right-of-use assets."
       }
      }
     },
     "auth_ref": [
      "r106",
      "r193"
     ]
    },
    "ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of range of exercise prices of outstanding share options [text block]",
        "terseLabel": "Schedule of options outstanding and exercisable"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the range of exercise prices for outstanding share options."
       }
      }
     },
     "auth_ref": [
      "r128"
     ]
    },
    "ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsLineItems",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of range of exercise prices of outstanding share options [line items]",
        "terseLabel": "SHARE CAPITAL AND RESERVES"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsTable",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of range of exercise prices of outstanding share options [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the range of exercise prices of outstanding share options."
       }
      }
     },
     "auth_ref": [
      "r128"
     ]
    },
    "ifrs-full_DisclosureOfRelatedPartyExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfRelatedPartyExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactions"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of related party [text block]",
        "verboseLabel": "RELATED PARTY TRANSACTIONS"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for related parties."
       }
      }
     },
     "auth_ref": [
      "r34"
     ]
    },
    "ifrs-full_DisclosureOfRevenueExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfRevenueExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRevenue"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of revenue [text block]",
        "terseLabel": "REVENUE"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for revenue."
       }
      }
     },
     "auth_ref": [
      "r420"
     ]
    },
    "ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReserves"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of share capital, reserves and other equity interest [text block]",
        "terseLabel": "SHARE CAPITAL AND RESERVES"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for share capital, reserves and other equity interest."
       }
      }
     },
     "auth_ref": [
      "r206",
      "r288",
      "r321"
     ]
    },
    "ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfSignificantInvestmentsInAssociatesLineItems",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsKirklandLakeDiscoveriesCorpMovementInInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of associates [line items]",
        "terseLabel": "INVESTMENT IN KIRKLAND LAKE DISCOVERIES CORP"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfSignificantInvestmentsInAssociatesTable",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsKirklandLakeDiscoveriesCorpMovementInInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of associates [table]",
        "terseLabel": "Disclosure of associates [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to associates."
       }
      }
     },
     "auth_ref": [
      "r37",
      "r39",
      "r93",
      "r278"
     ]
    },
    "nfgc_DisclosureOfSignificantJudgmentsEstimatesAndAmendmentsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DisclosureOfSignificantJudgmentsEstimatesAndAmendmentsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "No definition available.",
        "label": "AREAS OF SIGNIFICANT JUDGMENTS, ESTIMATES AND ASSUMPTIONS"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_DisclosureOfSummaryOfSignificantAccountingPoliciesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DisclosureOfSummaryOfSignificantAccountingPoliciesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "No definition available.",
        "label": "MATERIAL ACCOUNTING POLICY INFORMATION."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of temporary difference, unused tax losses and unused tax credits [text block]",
        "terseLabel": "Schedule of components of the deferred tax assets and liabilities"
       }
      },
      "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]]"
       }
      }
     },
     "auth_ref": [
      "r8",
      "r221"
     ]
    },
    "ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails",
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfComponentsOfDeferredIncomeTaxAssetsAndLiabilitiesDetails",
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfDeductibleTemporaryDifferencesUnusedTaxLossesAndUnusedTaxCreditsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of temporary difference, unused tax losses and unused tax credits [line items]",
        "terseLabel": "INCOME TAXES"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails",
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfComponentsOfDeferredIncomeTaxAssetsAndLiabilitiesDetails",
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfDeductibleTemporaryDifferencesUnusedTaxLossesAndUnusedTaxCreditsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of temporary difference, unused tax losses and unused tax credits [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to temporary differences, unused tax losses and unused tax credits."
       }
      }
     },
     "auth_ref": [
      "r8",
      "r221"
     ]
    },
    "ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesRestrictedShareUnitsDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionCompensationPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of terms and conditions of share-based payment arrangement [line items]",
        "terseLabel": "SHARE CAPITAL AND RESERVES"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesRestrictedShareUnitsDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionCompensationPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of terms and conditions of share-based payment arrangement [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to terms and conditions of share-based payment arrangements."
       }
      }
     },
     "auth_ref": [
      "r129",
      "r264"
     ]
    },
    "nfgc_DisclosureOfTradeAndOtherCurrentReceivablesTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DisclosureOfTradeAndOtherCurrentReceivablesTableTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReceivablesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of information relating to trade and other current receivables.",
        "label": "Disclosure Of Trade And Other Current Receivables [Table Text Block]",
        "terseLabel": "Schedule of receivables"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfTradeAndOtherReceivablesExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReceivables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of trade and other receivables [text block]",
        "terseLabel": "RECEIVABLES"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of trade and other receivables. [Refer: Trade and other receivables]"
       }
      }
     },
     "auth_ref": [
      "r420"
     ]
    },
    "ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfTransactionsBetweenRelatedPartiesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "RELATED PARTY TRANSACTIONS"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfTransactionsBetweenRelatedPartiesExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of transactions between related parties [text block]",
        "verboseLabel": "Summary of the related party transactions"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of transactions between the entity and its related parties. [Refer: Total for all related parties [member]]"
       }
      }
     },
     "auth_ref": [
      "r32",
      "r233"
     ]
    },
    "ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfTransactionsBetweenRelatedPartiesLineItems",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsDetails",
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of transactions between related parties [line items]",
        "terseLabel": "RELATED PARTY BALANCES AND TRANSACTIONS"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfTransactionsBetweenRelatedPartiesTable",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsDetails",
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of transactions between related parties [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to transactions between related parties."
       }
      }
     },
     "auth_ref": [
      "r33",
      "r234"
     ]
    },
    "ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfUnconsolidatedStructuredEntitiesLineItems",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsEquitiesDetails",
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsWarrantsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of unconsolidated structured entities [line items]",
        "terseLabel": "INVESTMENTS"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfUnconsolidatedStructuredEntitiesTable",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsEquitiesDetails",
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsWarrantsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of unconsolidated structured entities [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to unconsolidated structured entities."
       }
      }
     },
     "auth_ref": [
      "r94",
      "r279"
     ]
    },
    "nfgc_DocumentAndEntityInformationAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DocumentAndEntityInformationAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Document and Entity Information [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentAnnualReport": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentAnnualReport",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Annual Report",
        "documentation": "Boolean flag that is true only for a form used as an annual report."
       }
      }
     },
     "auth_ref": [
      "r393",
      "r394",
      "r395"
     ]
    },
    "dei_DocumentFinStmtErrorCorrectionFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentFinStmtErrorCorrectionFlag",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Financial Statement Error Correction [Flag]",
        "terseLabel": "Document Financial Statement Error Correction",
        "documentation": "Indicates whether any of the financial statement period in the filing include a restatement due to error correction."
       }
      }
     },
     "auth_ref": [
      "r393",
      "r394",
      "r395",
      "r396"
     ]
    },
    "dei_DocumentFiscalPeriodFocus": {
     "xbrltype": "fiscalPeriodItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentFiscalPeriodFocus",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Fiscal Period Focus",
        "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."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentFiscalYearFocus": {
     "xbrltype": "gYearItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentFiscalYearFocus",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Fiscal Year Focus",
        "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."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentPeriodEndDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentPeriodEndDate",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Period End Date",
        "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."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentRegistrationStatement": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentRegistrationStatement",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Registration Statement",
        "documentation": "Boolean flag that is true only for a form used as a registration statement."
       }
      }
     },
     "auth_ref": [
      "r389"
     ]
    },
    "dei_DocumentType": {
     "xbrltype": "submissionTypeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentType",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Type",
        "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'."
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_Dr.AndrewFureyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "Dr.AndrewFureyMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Dr. Andrew Furey.",
        "label": "Dr. Andrew Furey [Member]",
        "terseLabel": "Dr. Andrew Furey"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_DrillingCumulativeExplorationExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "DrillingCumulativeExplorationExpense",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsExplorationAndEvaluationExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of increase in cumulative exploration expense due to drilling.",
        "label": "Drilling, Cumulative Exploration Expense",
        "terseLabel": "Drilling"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_EarningsPerShareAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EarningsPerShareAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "BASIC AND DILUTED LOSS PER SHARE"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_EarningsPerShareExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EarningsPerShareExplanatory",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureBasicAndDilutedLossPerShareTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Earnings per share [text block]",
        "terseLabel": "Schedule of basic and diluted loss per common share"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of earnings per share."
       }
      }
     },
     "auth_ref": [
      "r41"
     ]
    },
    "ifrs-full_EarningsPerShareLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EarningsPerShareLineItems",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureBasicAndDilutedLossPerShareAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Earnings per share [line items]",
        "terseLabel": "BASIC AND DILUTED LOSS PER COMMON SHARE"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_EarningsPerShareTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EarningsPerShareTable",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureBasicAndDilutedLossPerShareAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Earnings per share [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to earnings per share."
       }
      }
     },
     "auth_ref": [
      "r41"
     ]
    },
    "nfgc_EarthlabsInc.Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "EarthlabsInc.Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for EarthLabs Inc.",
        "label": "EarthLabs Inc."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EffectOfExchangeRateChangesOnCashAndCashEquivalents",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Effect of exchange rate changes on cash and cash equivalents",
        "terseLabel": "Effect of exchange rate fluctuations on cash and cash equivalents"
       }
      },
      "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]"
       }
      }
     },
     "auth_ref": [
      "r70",
      "r71"
     ]
    },
    "nfgc_EmployeeBenefitExpensesIncludedInOperatingExpenses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "EmployeeBenefitExpensesIncludedInOperatingExpenses",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails": {
       "parentTag": "nfgc_OperatingExpenseExcludingChangesInInventories",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of employee benefit expenses included in operating expenses.",
        "label": "Employee Benefit Expenses Included In Operating Expenses",
        "terseLabel": "Salaries and employee benefits"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_EmployeeBenefitsExpenseIncludedInGeneralAndAdministrativeExpenses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "EmployeeBenefitsExpenseIncludedInGeneralAndAdministrativeExpenses",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureGeneralAndAdministrativeExpensesDetails": {
       "parentTag": "ifrs-full_GeneralAndAdministrativeExpense",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureGeneralAndAdministrativeExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of employee benefit expenses included in general and administrative expenses.",
        "label": "Employee Benefits Expense Included In General And Administrative Expenses",
        "terseLabel": "Salaries and benefits"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressAddressLine1": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressAddressLine1",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Address Line One",
        "documentation": "Address Line 1 such as Attn, Building Name, Street Name"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressCityOrTown": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressCityOrTown",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, City or Town",
        "documentation": "Name of the City or Town"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressCountry": {
     "xbrltype": "countryCodeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressCountry",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Country",
        "documentation": "ISO 3166-1 alpha-2 country code."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressPostalZipCode": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressPostalZipCode",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Postal Zip Code",
        "documentation": "Code for the postal or zip code"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressStateOrProvince": {
     "xbrltype": "stateOrProvinceItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressStateOrProvince",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, State or Province",
        "documentation": "Name of the state or province."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressesAddressTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressesAddressTypeAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Addresses, Address Type [Axis]",
        "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."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressesLineItems",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Addresses [Line Items]",
        "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."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressesTable",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Addresses [Table]",
        "documentation": "Container of address information for the entity"
       }
      }
     },
     "auth_ref": [
      "r391"
     ]
    },
    "dei_EntityCentralIndexKey": {
     "xbrltype": "centralIndexKeyItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityCentralIndexKey",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Central Index Key",
        "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK."
       }
      }
     },
     "auth_ref": [
      "r391"
     ]
    },
    "dei_EntityCommonStockSharesOutstanding": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityCommonStockSharesOutstanding",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Common Stock, Shares Outstanding",
        "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."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityCurrentReportingStatus": {
     "xbrltype": "yesNoItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityCurrentReportingStatus",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Current Reporting Status",
        "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."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSettlementOfLegalClaimDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "All Entities [Member]",
        "documentation": "All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityEmergingGrowthCompany": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityEmergingGrowthCompany",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Emerging Growth Company",
        "documentation": "Indicate if registrant meets the emerging growth company criteria."
       }
      }
     },
     "auth_ref": [
      "r391"
     ]
    },
    "dei_EntityExTransitionPeriod": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityExTransitionPeriod",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Ex Transition Period",
        "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."
       }
      }
     },
     "auth_ref": [
      "r398"
     ]
    },
    "dei_EntityFileNumber": {
     "xbrltype": "fileNumberItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityFileNumber",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity File Number",
        "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."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityIncorporationStateCountryCode": {
     "xbrltype": "edgarStateCountryItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityIncorporationStateCountryCode",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Incorporation, State or Country Code",
        "documentation": "Two-character EDGAR code representing the state or country of incorporation."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityInteractiveDataCurrent": {
     "xbrltype": "yesNoItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityInteractiveDataCurrent",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Interactive Data Current",
        "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)."
       }
      }
     },
     "auth_ref": [
      "r397"
     ]
    },
    "dei_EntityPrimarySicNumber": {
     "xbrltype": "sicNumberItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityPrimarySicNumber",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Primary SIC Number",
        "documentation": "Primary Standard Industrial Classification (SIC) Number for the Entity."
       }
      }
     },
     "auth_ref": [
      "r395"
     ]
    },
    "dei_EntityRegistrantName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityRegistrantName",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Registrant Name",
        "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC."
       }
      }
     },
     "auth_ref": [
      "r391"
     ]
    },
    "dei_EntityTaxIdentificationNumber": {
     "xbrltype": "employerIdItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityTaxIdentificationNumber",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Tax Identification Number",
        "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS."
       }
      }
     },
     "auth_ref": [
      "r391"
     ]
    },
    "nfgc_EnvironmentalPermittingAndReclamationCumulativeExplorationExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "EnvironmentalPermittingAndReclamationCumulativeExplorationExpense",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsExplorationAndEvaluationExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of increase in cumulative exploration expense due to environmental, permitting and reclamation activities.",
        "label": "Environmental, Permitting And Reclamation, Cumulative Exploration Expense",
        "terseLabel": "Environmental, permitting and reclamation"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_Equity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Equity",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_EquityAndLiabilities",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureCapitalManagementDetails",
      "http://www.newfoundgold.ca/role/DisclosureNatureOfOperationsAndGoingConcernDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity",
        "periodEndLabel": "Balance at end of period",
        "periodStartLabel": "Balance at beginning of period",
        "terseLabel": "Shareholders' equity",
        "totalLabel": "Total shareholders' equity",
        "verboseLabel": "Components of equity consisting of common shares, stock options and warrants, and deficit"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of residual interest in the assets of the entity after deducting all its liabilities."
       }
      }
     },
     "auth_ref": [
      "r79",
      "r81",
      "r95",
      "r96",
      "r97",
      "r236",
      "r255",
      "r282",
      "r283",
      "r291",
      "r310",
      "r317"
     ]
    },
    "ifrs-full_EquityAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EquityAbstract",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity [abstract]",
        "terseLabel": "Shareholders' equity"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_EquityAndLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EquityAndLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity and liabilities",
        "totalLabel": "Total liabilities and shareholders' equity"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of the entity's equity and liabilities. [Refer: Equity; Liabilities]"
       }
      }
     },
     "auth_ref": [
      "r310"
     ]
    },
    "ifrs-full_EquityInterestsOfAcquirer": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EquityInterestsOfAcquirer",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails": {
       "parentTag": "ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity interests of acquirer",
        "terseLabel": "Fair value of common shares issued"
       }
      },
      "en": {
       "role": {
        "documentation": "The fair value, at the acquisition date, of equity interests of the acquirer transferred as consideration in a business combination. [Refer: Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r135",
      "r267"
     ]
    },
    "ifrs-full_EquityInvestmentsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EquityInvestmentsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfComponentsOfDeferredIncomeTaxAssetsAndLiabilitiesDetails",
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfDeductibleTemporaryDifferencesUnusedTaxLossesAndUnusedTaxCreditsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Investments [Member]",
        "terseLabel": "Investments"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for investments in equity instruments."
       }
      }
     },
     "auth_ref": [
      "r358",
      "r368"
     ]
    },
    "srt_EquityMethodInvesteeNameDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "EquityMethodInvesteeNameDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsEquitiesDetails",
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsKirklandLakeDiscoveriesCorpMovementInInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investment, Name [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_EquityPriceRiskMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EquityPriceRiskMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsMarketRiskDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity price risk [member]",
        "terseLabel": "Equity price risk"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a component of other price risk that represents the type of risk that the fair value or future cash flows of a financial instrument will fluctuate because of changes in equity prices. [Refer: Classes of financial instruments [domain]]"
       }
      }
     },
     "auth_ref": [
      "r357",
      "r367"
     ]
    },
    "nfgc_ExecutiveChairmanAndChiefExecutiveOfficerMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ExecutiveChairmanAndChiefExecutiveOfficerMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Executive Chairman and Chief Executive Officer.",
        "label": "Executive Chairman and Chief Executive Officer"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ExercisePriceOfOutstandingShareOptions2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ExercisePriceOfOutstandingShareOptions2019",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Exercise price of outstanding share options",
        "verboseLabel": "Range of Exercise Prices"
       }
      },
      "en": {
       "role": {
        "documentation": "The exercise price of outstanding share options."
       }
      }
     },
     "auth_ref": [
      "r128"
     ]
    },
    "nfgc_ExercisePriceRange1.00To1.67Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ExercisePriceRange1.00To1.67Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for exercise price range $1.00 - $1.67.",
        "label": "Exercise Price Range $1.00 to $1.67 [Member]",
        "terseLabel": "Exercise price range, $1.00 to $1.67"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ExercisePriceRange2.40To4.59Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ExercisePriceRange2.40To4.59Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for exercise price range $2.40 - $4.59.",
        "label": "Exercise Price Range $2.40 to $4.59 [Member]",
        "terseLabel": "Exercise price range, $2.40 - $4.59"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ExercisePriceRange5.00To6.79Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ExercisePriceRange5.00To6.79Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for exercise price range $5.00 - $6.79.",
        "label": "Exercise Price Range $5.00 to $6.79 [Member]",
        "terseLabel": "Exercise price range, $5.00 - $6.79"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ExercisePriceRange8.04To8.98Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ExercisePriceRange8.04To8.98Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for exercise price range $8.04 - $8.98.",
        "label": "Exercise Price Range $8.04 to $8.98 [Member]",
        "terseLabel": "Exercise price range, $8.04 - $8.98"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ExercisedOfStockOptionMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ExercisedOfStockOptionMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for exercised of stock option event.",
        "label": "Exercised Of Stock Option [Member]",
        "terseLabel": "Exercised of stock option"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ExercisedOfWarrantsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ExercisedOfWarrantsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWarrantsActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for exercised of warrants event.",
        "label": "Exercised Of Warrants [Member]",
        "terseLabel": "Exercised of warrants"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted": {
     "xbrltype": "percentItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ExpectedDividendAsPercentageShareOptionsGranted",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWeightedAverageFairValueAndAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Expected dividend as percentage, share options granted",
        "terseLabel": "Expected dividend yield"
       }
      },
      "en": {
       "role": {
        "documentation": "The percentage of an expected dividend used to calculate the fair value of share options granted."
       }
      }
     },
     "auth_ref": [
      "r130"
     ]
    },
    "nfgc_ExpectedForfeitureAsPercentageShareOptionsGranted": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ExpectedForfeitureAsPercentageShareOptionsGranted",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWeightedAverageFairValueAndAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The percentage of an expected forfeiture used to calculate the fair value of share options granted.",
        "label": "Expected Forfeiture As Percentage Share Options Granted",
        "terseLabel": "Expected forfeiture rate"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ExpenditureIncurredInQualifyingCanadianExplorationExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ExpenditureIncurredInQualifyingCanadianExplorationExpense",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of expenditure incurred in Qualifying Canadian Exploration Expense (CEE).",
        "label": "Expenditure Incurred in Qualifying Canadian Exploration Expense",
        "terseLabel": "Expenditure incurred in qualifying CEE"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ExpenditureTargetPayment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ExpenditureTargetPayment",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfKingswayProjectDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Expenditure relating to target payment which will be received by the optionors, upon completion of a threshold exploration expenditure being incurred on the property.",
        "label": "Expenditure Target Payment",
        "terseLabel": "Expenditure target payment"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ExpenseArisingFromExplorationForAndEvaluationOfMineralResources": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ExpenseArisingFromExplorationForAndEvaluationOfMineralResources",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss": {
       "parentTag": "ifrs-full_ExpenseByNature",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Expense arising from exploration for and evaluation of mineral resources",
        "negatedLabel": "Exploration and evaluation expenditures",
        "terseLabel": "Exploration and evaluation"
       }
      }
     },
     "auth_ref": [
      "r148"
     ]
    },
    "nfgc_ExpenseArisingFromExplorationForAndEvaluationOfMineralResourcesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ExpenseArisingFromExplorationForAndEvaluationOfMineralResourcesMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for the amount of expense relating to exploration and evaluation of mineral resources.",
        "label": "Expense Arising From Exploration For And Evaluation Of Mineral Resources [Member]",
        "terseLabel": "Exploration and evaluation expenses"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ExpenseByNature": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ExpenseByNature",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss": {
       "parentTag": "ifrs-full_ProfitLossFromOperatingActivities",
       "weight": -1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Expenses, by nature",
        "totalLabel": "Expenses"
       }
      }
     },
     "auth_ref": [
      "r329"
     ]
    },
    "ifrs-full_ExpenseByNatureAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ExpenseByNatureAbstract",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Expenses by nature [abstract]",
        "terseLabel": "Expenses"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss": {
       "parentTag": "ifrs-full_ExpenseByNature",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesRestrictedShareUnitsDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Expense from share-based payment transactions in which goods or services received did not qualify for recognition as assets",
        "negatedLabel": "Share-based compensation",
        "terseLabel": "Share-based compensation"
       }
      }
     },
     "auth_ref": [
      "r133",
      "r265"
     ]
    },
    "nfgc_ExploitsDiscoveryCorpMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ExploitsDiscoveryCorpMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMineralClaimsFromExploitsDiscoveryCorpDetails",
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsEquitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Exploits Discovery Corp.",
        "label": "Exploits Discovery Corp.",
        "terseLabel": "Exploits Discovery Corp."
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ExplorationActivitiesEstimatedUsefulLife": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ExplorationActivitiesEstimatedUsefulLife",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the estimated useful life of exploration and evaluation activities.",
        "label": "Exploration Activities, Estimated Useful Life",
        "terseLabel": "Estimated operating life"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ExplorationAndEvaluationAssetsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ExplorationAndEvaluationAssetsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "No definition available.",
        "label": "EXPLORATION AND EVALUATION ASSETS"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ExplorationAndEvaluationAssetsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ExplorationAndEvaluationAssetsLineItems",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfKingswayProjectDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMineralClaimsFromExploitsDiscoveryCorpDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsExplorationAndEvaluationExpensesDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "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": "Exploration and Evaluation Assets [Line Items]",
        "terseLabel": "Exploration and evaluation assets",
        "verboseLabel": "EXPLORATION AND EVALUATION ASSETS"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ExplorationAndEvaluationAssetsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ExplorationAndEvaluationAssetsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfComponentsOfDeferredIncomeTaxAssetsAndLiabilitiesDetails",
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfDeductibleTemporaryDifferencesUnusedTaxLossesAndUnusedTaxCreditsDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Exploration And Evaluation Assets [Member]",
        "terseLabel": "Exploration and evaluation assets"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for exploration and evaluation expenditures recognised as assets in accordance with the entity's accounting policy. Exploration and evaluation expenditures are expenditures incurred by an entity in connection with the exploration for, and evaluation of, mineral resources before the technical feasibility and commercial viability of extracting a mineral resource are demonstrable."
       }
      }
     },
     "auth_ref": [
      "r405"
     ]
    },
    "nfgc_ExplorationAndEvaluationAssetsRecognizedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ExplorationAndEvaluationAssetsRecognizedAsOfAcquisitionDate",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails": {
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount recognized as of the acquisition date for exploration and evaluation assets acquired in a business combination.",
        "label": "Exploration And Evaluation Assets Recognized As Of Acquisition Date",
        "terseLabel": "Exploration and evaluation assets (Note 11)"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ExplorationAndEvaluationAssetsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ExplorationAndEvaluationAssetsTable",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfKingswayProjectDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMineralClaimsFromExploitsDiscoveryCorpDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsExplorationAndEvaluationExpensesDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule disclosing information related to exploration and evaluation assets.",
        "label": "Exploration and Evaluation Assets [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ExplorationAndEvaluationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ExplorationAndEvaluationMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for exploration and evaluation.",
        "label": "Exploration And Evaluation [Member]",
        "terseLabel": "Exploration and Evaluation"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Exposure to credit risk on loan commitments and financial guarantee contracts",
        "terseLabel": "Surety bonding arrangement"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of the exposure to credit risk on loan commitments and financial guarantee contracts. [Refer: Loan commitments [member]; Financial guarantee contracts [member]; Credit risk [member]]"
       }
      }
     },
     "auth_ref": [
      "r157",
      "r158",
      "r160",
      "r274",
      "r275",
      "r276"
     ]
    },
    "ifrs-full_FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsEquitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investments in equity instruments designated at fair value through other comprehensive income",
        "verboseLabel": "Equities, Fair Value"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of investments in equity instruments that the entity has designated at fair value through other comprehensive income. [Refer: At fair value [member]; Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r150",
      "r167",
      "r272"
     ]
    },
    "nfgc_FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughProfitAndLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughProfitAndLoss",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsDetails": {
       "parentTag": "ifrs-full_CurrentInvestments",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsDetails",
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsEquitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of investments in equity instruments that the entity has designated at fair value through profit and loss.",
        "label": "Fair Value Of Investments In Equity Instruments Designated As Measured At Fair Value Through Profit And Loss",
        "terseLabel": "Equities held",
        "verboseLabel": "Equities held, Fair Value"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_FairValueOfReplacementOptionsIssuedInExchangeForOutstandingOptionsOfAcquireeAdjustedForExchangeRatioAtAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "FairValueOfReplacementOptionsIssuedInExchangeForOutstandingOptionsOfAcquireeAdjustedForExchangeRatioAtAcquisitionDate",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails": {
       "parentTag": "ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpDetails",
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value of replacement options issued in exchange for outstanding options of the acquiree adjusted for exchange ratio at acquisition date.",
        "label": "Fair Value Of Replacement Options Issued In Exchange For Outstanding Options Of Acquiree Adjusted For Exchange Ratio At Acquisition Date",
        "terseLabel": "Fair value of replacement options issued"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_FairValueOfReplacementWarrantsIssuedInExchangeForOutstandingSharePurchaseWarrantsOfAcquireeAdjustedForExchangeRatioAtAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "FairValueOfReplacementWarrantsIssuedInExchangeForOutstandingSharePurchaseWarrantsOfAcquireeAdjustedForExchangeRatioAtAcquisitionDate",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails": {
       "parentTag": "ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpDetails",
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value of replacement warrants issued in exchange for outstanding share purchase warrants of the acquiree adjusted for exchange ratio at acquisition date.",
        "label": "Fair Value Of Replacement Warrants Issued In Exchange For Outstanding Share Purchase Warrants Of Acquiree Adjusted For Exchange Ratio At Acquisition Date",
        "terseLabel": "Fair value of replacement warrants issued"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_FinancialAssetsAtFairValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtFairValue",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsCompanySFinancialInstrumentsAccordingToFairValueHierarchyDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial assets, at fair value",
        "verboseLabel": "Financial assets fair value"
       }
      },
      "en": {
       "role": {
        "documentation": "The fair value of financial assets. [Refer: At fair value [member]; Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r153"
     ]
    },
    "ifrs-full_FinishedGoods": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinishedGoods",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureInventoriesDetails": {
       "parentTag": "ifrs-full_Inventories",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInventoriesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current finished goods",
        "terseLabel": "Finished goods"
       }
      },
      "en": {
       "role": {
        "documentation": "A classification of current inventory representing the amount of goods that have completed the production process and are held for sale in the ordinary course of business. [Refer: Inventories]"
       }
      }
     },
     "auth_ref": [
      "r378",
      "r386",
      "r403"
     ]
    },
    "nfgc_FlowThroughShareMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "FlowThroughShareMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents information pertaining to flow-through shares.",
        "label": "Flow Through Share"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_FlowThroughSharePremiumAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "FlowThroughSharePremiumAbstract",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "No definition available.",
        "label": "FLOW-THROUGH SHARE PREMIUM"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_FlowThroughSharePremiumLiability": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "FlowThroughSharePremiumLiability",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of flow-through share premium.",
        "label": "Flow Through Share Premium, Liability",
        "periodEndLabel": "Flow-through share premium at end of the year",
        "periodStartLabel": "Flow-through share premium at beginning of the year"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_FlowThroughSharePremiumLiabilityAmortized": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "FlowThroughSharePremiumLiabilityAmortized",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of amortization of flow-through share liabilities.",
        "label": "Flow Through Share Premium, Liability, Amortized",
        "terseLabel": "Amortization of flow-through liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_FlowThroughSharePremiumLiabilityCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "FlowThroughSharePremiumLiabilityCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of flow-through share premium classified as current.",
        "label": "Flow-Through Share Premium Liability, Current",
        "terseLabel": "Flow-through share premium"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_FlowThroughSharePremiumLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "FlowThroughSharePremiumLineItems",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumAdditionalInformationDetails",
      "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumDetails"
     ],
     "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": "Flow Through Share Premium [Line Items]",
        "terseLabel": "FLOW-THROUGH SHARE PREMIUM"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_FlowThroughSharePremiumSettlement": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "FlowThroughSharePremiumSettlement",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of settlement of flow-through share premium on expenditures incurred.",
        "label": "Flow Through Share Premium, Settlement",
        "terseLabel": "Settlement of flow-through share premium on expenditures incurred"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_FlowThroughSharePremiumTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "FlowThroughSharePremiumTable",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumAdditionalInformationDetails",
      "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule disclosing information related to flow-through share premium.",
        "label": "Flow Through Share Premium [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_FormerChiefDevelopmentOfficerMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "FormerChiefDevelopmentOfficerMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for former chief development officer.",
        "label": "Former Chief Development Officer [Member]",
        "terseLabel": "Former Chief Development Officer"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_FormerChiefFinancialOfficerMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "FormerChiefFinancialOfficerMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for former chief financial officer.",
        "label": "Former Chief Financial Officer [Member]",
        "terseLabel": "Former Chief Financial Officer"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_FormerChiefOperatingOfficerMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "FormerChiefOperatingOfficerMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for former chief operating officer.",
        "label": "Former Chief Operating Officer [Member]",
        "terseLabel": "Former Chief Operating Officer"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_FormerDirectorAndOfficerMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "FormerDirectorAndOfficerMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for former director and officer.",
        "label": "Former Director and Officer [Member]",
        "terseLabel": "Former director and officer"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_FormerDirectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "FormerDirectorMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for former director.",
        "label": "Former Director [Member]",
        "terseLabel": "Former Director"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_FormerExecutiveChairmanAndChiefExecutiveOfficerMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "FormerExecutiveChairmanAndChiefExecutiveOfficerMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for former executive chairman and chief executive officer.",
        "label": "Former Executive Chairman and Chief Executive Officer [Member]",
        "terseLabel": "Former Executive Chairman and Chief Executive Officer"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_FormerNonExecutiveDirectorsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "FormerNonExecutiveDirectorsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Former non-executive directors.",
        "label": "Former Non-Executive Directors [Member]",
        "terseLabel": "Former non-executive directors"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_FormerPresidentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "FormerPresidentMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for former President.",
        "label": "Former President [Member]",
        "terseLabel": "Former President"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_GainLossOnDerecognitionAndRemeasurementOfInvestmentUponLossOfSignificantInfluence": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "GainLossOnDerecognitionAndRemeasurementOfInvestmentUponLossOfSignificantInfluence",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsEquitiesDetails",
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsKirklandLakeDiscoveriesCorpMovementInInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of gain (loss) recognized during the period upon de-recognition and remeasurement of investment due to loss of significant influence.",
        "label": "Gain (Loss) On Derecognition And Remeasurement Of Investment Upon Loss Of Significant Influence",
        "terseLabel": "Derecognition amount",
        "verboseLabel": "Gain on derecognition and remeasurement of investment"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_GainLossOnDilutionOfInvestments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "GainLossOnDilutionOfInvestments",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsKirklandLakeDiscoveriesCorpMovementInInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of gain (loss) arising from dilution of equity investments.",
        "label": "Gain (Loss) On Dilution Of Investments",
        "terseLabel": "Gain (loss) on dilution of equity investment"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_GainLossOnDisposalOfDebtInvestments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "GainLossOnDisposalOfDebtInvestments",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureOtherIncomeExpensesDetails": {
       "parentTag": "ifrs-full_OtherGainsLosses",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOtherIncomeExpensesDetails",
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesMovementInCompanySSecuredNotesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of gain (loss) recognized during the period from disposal of debt investments.",
        "label": "Gain (Loss) On Disposal Of Debt Investments",
        "terseLabel": "Realized gain on disposal"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_GainLossOnExpirationOfUnexercisedWarrants": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "GainLossOnExpirationOfUnexercisedWarrants",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsWarrantsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of gain (loss) recognized during the period upon expiration of unexercised warrants.",
        "label": "Gain (Loss) On Expiration Of Unexercised Warrants",
        "terseLabel": "Recognized a loss"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_GainLossOnInvestmentsMeasuredAtFairValueThroughProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "GainLossOnInvestmentsMeasuredAtFairValueThroughProfitOrLoss",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss": {
       "parentTag": "nfgc_IfrsOtherNonoperatingIncomeExpense",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of gain (loss) on investments measured at fair value with changes in fair value recognized in profit or loss.",
        "label": "Gain (Loss) On Investments Measured At Fair Value Through Profit Or Loss",
        "terseLabel": "Gains (losses) on investments"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_GainLossOnLegalClaimSettlements": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "GainLossOnLegalClaimSettlements",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureOtherIncomeExpensesDetails": {
       "parentTag": "ifrs-full_OtherGainsLosses",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOtherIncomeExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of gain (loss) from settlement of legal claims.",
        "label": "Gain (Loss) On Legal Claim Settlements",
        "terseLabel": "Settlement of legal claim"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_GainsLossesFromRevaluationOfSecuredNotes": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "GainsLossesFromRevaluationOfSecuredNotes",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureOtherIncomeExpensesDetails": {
       "parentTag": "ifrs-full_OtherGainsLosses",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOtherIncomeExpensesDetails",
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesMovementInCompanySSecuredNotesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of gains (losses) from revaluation of secured notes.",
        "label": "Gains (Losses) from Revaluation of Secured Notes",
        "terseLabel": "Revaluation of secured notes",
        "verboseLabel": "Revaluation of secured notes"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_GainsLossesOnDisposalsOfInvestments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GainsLossesOnDisposalsOfInvestments",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsAnalysisOfInvestmentsIncludingRelatedGainsAndLossesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gains (losses) on disposals of investments",
        "verboseLabel": "Realized gains (losses) on investments"
       }
      },
      "en": {
       "role": {
        "documentation": "The gains (losses) on disposals of investments."
       }
      }
     },
     "auth_ref": [
      "r327"
     ]
    },
    "ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureOtherIncomeExpensesDetails": {
       "parentTag": "ifrs-full_OtherGainsLosses",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOtherIncomeExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Foreign exchange gain (loss)",
        "terseLabel": "Foreign exchange gain (loss)"
       }
      },
      "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]; Classes of financial instruments [domain]]"
       }
      }
     },
     "auth_ref": [
      "r25",
      "r229",
      "r300"
     ]
    },
    "ifrs-full_GainsLossesOnLitigationSettlements": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GainsLossesOnLitigationSettlements",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": -1.0,
       "order": 11.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSettlementOfLegalClaimDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gains (losses) on litigation settlements",
        "negatedLabel": "Settlement of legal claim"
       }
      }
     },
     "auth_ref": [
      "r328"
     ]
    },
    "ifrs-full_GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForAssetsHeldAtEndOfPeriodFairValueMeasurement": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForAssetsHeldAtEndOfPeriodFairValueMeasurement",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsAnalysisOfInvestmentsIncludingRelatedGainsAndLossesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gains (losses) recognised in profit or loss attributable to change in unrealised gains or losses for assets held at end of period, fair value measurement",
        "terseLabel": "Unrealized gains (losses) on investments"
       }
      },
      "en": {
       "role": {
        "documentation": "The gains (losses) recognised in profit or loss for assets measured at fair value that are attributable to the change in unrealised gains or losses relating to those assets held at the end of the reporting period. [Refer: At fair value [member]]"
       }
      }
     },
     "auth_ref": [
      "r98"
     ]
    },
    "ifrs-full_GeneralAndAdministrativeExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GeneralAndAdministrativeExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss": {
       "parentTag": "ifrs-full_ExpenseByNature",
       "weight": 1.0,
       "order": 2.0
      },
      "http://www.newfoundgold.ca/role/DisclosureGeneralAndAdministrativeExpensesDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureGeneralAndAdministrativeExpensesDetails",
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "General and administrative expense",
        "negatedLabel": "General and administrative",
        "terseLabel": "General and administrative",
        "totalLabel": "Total general and administrative expenses"
       }
      }
     },
     "auth_ref": [
      "r425"
     ]
    },
    "ifrs-full_GeographicalAreasAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GeographicalAreasAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsExplorationAndEvaluationExpensesDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Geographical areas [axis]",
        "terseLabel": "Geographical areas [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r184",
      "r332",
      "r349",
      "r352",
      "r371"
     ]
    },
    "ifrs-full_GeographicalAreasDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GeographicalAreasDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsExplorationAndEvaluationExpensesDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Geographical areas [domain]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r184",
      "r332",
      "r349",
      "r352",
      "r371"
     ]
    },
    "nfgc_GeologicalAndGeophysicalStudiesCumulativeExplorationExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "GeologicalAndGeophysicalStudiesCumulativeExplorationExpense",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsExplorationAndEvaluationExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of increase in cumulative exploration expense due to geological and geophysical studies.",
        "label": "Geological And Geophysical Studies, Cumulative Exploration Expense",
        "terseLabel": "Geological and geophysical studies"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_Goodwill": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Goodwill",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Goodwill",
        "terseLabel": "Goodwill"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of assets representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognised. [Refer: Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r53",
      "r55",
      "r142",
      "r242",
      "r244",
      "r270",
      "r303"
     ]
    },
    "ifrs-full_GoodwillRecognisedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GoodwillRecognisedAsOfAcquisitionDate",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails": {
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": 1.0,
       "order": 8.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Goodwill recognised as of acquisition date",
        "terseLabel": "Goodwill"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount recognised as of the business combination's acquisition date for goodwill. [Refer: Goodwill; Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r355",
      "r356",
      "r376"
     ]
    },
    "nfgc_GreenBayProjectMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "GreenBayProjectMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Green Bay project.",
        "label": "Green Bay Project [Member]",
        "terseLabel": "Green Bay Project"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_GregMathesonMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "GregMathesonMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Greg Matheson.",
        "label": "Greg Matheson [Member]",
        "terseLabel": "Greg Matheson"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_GrossLeaseLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GrossLeaseLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsScheduleOfMaturityProfileOfFinancialLiabilitiesDetails": {
       "parentTag": "ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsScheduleOfMaturityProfileOfFinancialLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gross lease liabilities",
        "terseLabel": "Lease liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of contractual undiscounted cash flows in relation to lease liabilities before deducting finance charges. [Refer: Lease liabilities]"
       }
      }
     },
     "auth_ref": [
      "r107",
      "r194",
      "r360"
     ]
    },
    "ifrs-full_GrossProfit": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GrossProfit",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss": {
       "parentTag": "ifrs-full_ProfitLossFromOperatingActivities",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gross profit",
        "totalLabel": "Income from mine operations"
       }
      }
     },
     "auth_ref": [
      "r381"
     ]
    },
    "nfgc_GullRidgeProjectMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "GullRidgeProjectMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Gull Ridge project.",
        "label": "Gull Ridge Project [Member]",
        "terseLabel": "Gull Ridge project"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_HammerdownGoldProjectRoyaltyArrangementOfMaritimeResourceCorpMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "HammerdownGoldProjectRoyaltyArrangementOfMaritimeResourceCorpMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpRoyaltyArrangementDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Hammerdown gold project royalty arrangement of Maritime Resources Corp.",
        "label": "Hammerdown Gold Project Royalty Arrangement Of Maritime Resource Corp [Member]",
        "terseLabel": "Hammerdown gold project royalty arrangement"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_HashimAhmedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "HashimAhmedMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Hashim Ahmed.",
        "label": "Hashim Ahmed [Member]",
        "terseLabel": "Hashim Ahmed"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_HistoricalVolatilityForSharesMeasurementInputMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "HistoricalVolatilityForSharesMeasurementInputMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Historical volatility for shares, measurement input [member]",
        "terseLabel": "Volatility"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the historical volatility for shares used as a measurement input."
       }
      }
     },
     "auth_ref": [
      "r346"
     ]
    },
    "nfgc_IFRSGainLossOnExtinguishmentOfDebt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IFRSGainLossOnExtinguishmentOfDebt",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpShareForDebtSettlementDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.",
        "label": "I F R S Gain (Loss) on Extinguishment of Debt",
        "terseLabel": "Settlement agreement, Loss under transaction cost"
       }
      }
     },
     "auth_ref": []
    },
    "dei_IcfrAuditorAttestationFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "IcfrAuditorAttestationFlag",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ICFR Auditor Attestation Flag"
       }
      }
     },
     "auth_ref": [
      "r393",
      "r394",
      "r395"
     ]
    },
    "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IdentifiableAssetsAcquiredLiabilitiesAssumed",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Identifiable assets acquired (liabilities assumed)",
        "totalLabel": "Total assets acquired, net of liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for net identifiable assets acquired or liabilities assumed in a business combination. [Refer: Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r354",
      "r356",
      "r375"
     ]
    },
    "nfgc_Ifrs2042Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "Ifrs2042Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for year 2042",
        "label": "2042",
        "terseLabel": "2042"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_Ifrs2043Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "Ifrs2043Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for year 2043",
        "label": "ifrs 2043 [Member]",
        "terseLabel": "2043"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsAssetAcquisitionAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsAssetAcquisitionAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfKingswayProjectDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMineralClaimsFromExploitsDiscoveryCorpDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of antidilutive security.",
        "label": "IFRS Asset Acquisition [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsAssetAcquisitionConsiderationTransferred": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsAssetAcquisitionConsiderationTransferred",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfKingswayProjectDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of consideration transferred in asset acquisition. Includes, but is not limited to, cash, liability incurred by acquirer, and equity interest issued by acquirer.",
        "label": "IFRS Asset Acquisition, Consideration Transferred",
        "terseLabel": "Total consideration"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsAssetAcquisitionConsiderationTransferredAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsAssetAcquisitionConsiderationTransferredAbstract",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfKingswayProjectDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "no definition available.",
        "label": "IFRS Asset Acquisition, Consideration Transferred [Abstract]",
        "terseLabel": "Asset acquisition"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsAssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsAssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfKingswayProjectDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of acquirer's equity interest issued and issuable as part of consideration transferred in asset acquisition.",
        "label": "IFRS Asset Acquisition, Consideration Transferred, Equity Interest Issued and Issuable",
        "terseLabel": "Value of equity instruments issued"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsAssetAcquisitionConsiderationTransferredTransactionCost": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsAssetAcquisitionConsiderationTransferredTransactionCost",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfKingswayProjectDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMineralClaimsFromExploitsDiscoveryCorpDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of transaction cost incurred as part of consideration transferred in asset acquisition.",
        "label": "IFRS Asset Acquisition, Consideration Transferred, Transaction Cost",
        "terseLabel": "Professional and filing fees",
        "verboseLabel": "Transaction costs"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsAssetAcquisitionDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsAssetAcquisitionDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfKingswayProjectDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMineralClaimsFromExploitsDiscoveryCorpDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Asset acquisition.",
        "label": "IFRS Asset Acquisition [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsAssetAcquisitionPercentageOfInterestsAcquired": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsAssetAcquisitionPercentageOfInterestsAcquired",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfKingswayProjectDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of interests acquired at the acquisition date in the asset acquisition.",
        "label": "IFRS Asset Acquisition, Percentage of Interests Acquired",
        "terseLabel": "Percentage of interests acquired"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsAssetAcquisitionTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsAssetAcquisitionTableTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of asset acquisition.",
        "label": "IFRS Asset Acquisition [Table Text Block]",
        "terseLabel": "Schedule of asset acquisition"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsBoardOfDirectorsChairmanMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsBoardOfDirectorsChairmanMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Leader of board of directors.",
        "label": "IFRS Board Of Directors Chairman [Member]",
        "terseLabel": "Board of directors"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsClassOfWarrantOrRightAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsClassOfWarrantOrRightAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of warrant or right issued",
        "label": "Ifrs Class of Warrant or Right [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsClassOfWarrantOrRightDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsClassOfWarrantOrRightDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Name of the class or type of warrant or right outstanding. Warrants and rights represent derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months.",
        "label": "Ifrs Class of Warrant or Right [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsCommonStockCapitalSharesReservedForFutureIssuance": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsCommonStockCapitalSharesReservedForFutureIssuance",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Aggregate number of common shares reserved for future issuance.",
        "label": "IFRS Common Stock, Capital Shares Reserved for Future Issuance",
        "terseLabel": "Shares reserved for future issuance (in shares)"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsDebtInstrumentTerm": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsDebtInstrumentTerm",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "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": "Debt instrument term"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsDirectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsDirectorMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsDetails",
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Person serving on board of directors.",
        "label": "IFRS Director [Member]",
        "terseLabel": "Director"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsInvestmentsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsInvestmentsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "No definition available.",
        "label": "INVESTMENTS"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsInvestmentsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsInvestmentsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsCompanySFinancialInstrumentsAccordingToFairValueHierarchyDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents information pertaining to investments.",
        "label": "Investments.",
        "terseLabel": "Investments"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsMeasurementInputExercisePriceMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsMeasurementInputExercisePriceMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Measurement input using agreed upon price for exchange of underlying asset.",
        "label": "IFRS Measurement Input, Exercise Price [Member]",
        "terseLabel": "Exercise price"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsMeasurementInputExpectedDividendRateMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsMeasurementInputExpectedDividendRateMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Measurement input using expected dividend rate to be paid to holder of share per year.",
        "label": "IFRS Measurement Input, Expected Dividend Rate [Member]",
        "terseLabel": "Dividend yield"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsMeasurementInputExpectedTermMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsMeasurementInputExpectedTermMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Measurement input using period financial instrument is expected to be outstanding. Excludes maturity date.",
        "label": "IFRS Measurement Input, Expected Term [Member]",
        "terseLabel": "Expected life"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsMeasurementInputRiskFreeInterestRateMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsMeasurementInputRiskFreeInterestRateMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Measurement input using interest rate on instrument with zero risk of financial loss.",
        "label": "IFRS Measurement Input, Risk Free Interest Rate [Member]",
        "terseLabel": "Risk-free rate"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsMeasurementInputSharePriceMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsMeasurementInputSharePriceMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Measurement input using share price of saleable stock.",
        "label": "IFRS Measurement Input, Share Price [Member]",
        "terseLabel": "Share price"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsMeasurementInputTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsMeasurementInputTypeAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of measurement input used to determine value of asset and liability.",
        "label": "IFRS Measurement Input Type [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsMeasurementInputTypeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsMeasurementInputTypeDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Measurement input used to determine value of asset and liability.",
        "label": "IFRS Measurement Input Type [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsNumberOfReportableSegments": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsNumberOfReportableSegments",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Ifrs number of segments reported by the entity.",
        "label": "Ifrs Number Of Reportable Segments",
        "terseLabel": "Number of reportable segments"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsOperatingExpensesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsOperatingExpensesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "No definition available.",
        "label": "OPERATING EXPENSES"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsOtherCurrentLiabilitiesTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsOtherCurrentLiabilitiesTableTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOtherCurrentLiabilitiesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of other current liabilities.",
        "label": "Ifrs Other Current Liabilities [Table Text Block]",
        "terseLabel": "Schedule of other current liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsOtherNonoperatingIncomeExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsOtherNonoperatingIncomeExpense",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss": {
       "parentTag": "ifrs-full_ProfitLossBeforeTax",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of other nonoperating income (expense)",
        "label": "IFRS Other Nonoperating Income (Expense)",
        "terseLabel": "Other income (expenses)",
        "totalLabel": "Total other income (expenses)"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsSaleOfStockAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsSaleOfStockAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of sale of the entity's stock.",
        "label": "IFRS Sale of Stock [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsSaleOfStockDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsSaleOfStockDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sale of the entity's stock, including, but not limited to, initial public offering (IPO) and private placement.",
        "label": "IFRS Sale of Stock [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsScheduleOfCashFlowSupplementalDisclosuresTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsScheduleOfCashFlowSupplementalDisclosuresTableTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosuresTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of supplemental cash flow information for the periods presented.",
        "label": "Ifrs Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]",
        "terseLabel": "Schedule of supplemental disclosure with respect to cash flows"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesTables"
     ],
     "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 statutory rates to the loss before provision for income taxes"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsScheduleOfInventoryCurrentTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsScheduleOfInventoryCurrentTableTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInventoriesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.",
        "label": "Ifrs Schedule Of Inventory Current [Table Text Block]",
        "terseLabel": "Schedule of inventory"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesRestrictedShareUnitsDetails"
     ],
     "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": "Vesting period (in years)"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationPeriod": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationPeriod",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionCompensationPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "IFRS Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period",
        "terseLabel": "Exercisable term"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.",
        "label": "IFRS Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant",
        "terseLabel": "Number of common shares available (in shares)"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriod": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriod",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of share options (or share units) exercised during the current period.",
        "label": "IFRS Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period",
        "terseLabel": "Stock options exercised (in shares)"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsShareBasedPaymentArrangementOptionMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsShareBasedPaymentArrangementOptionMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionCompensationPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share-based payment arrangement granting right, subject to vesting and other restrictions, to purchase or sell certain number of shares at predetermined price for specified period of time.",
        "label": "Share purchase option plan"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsShareBasedPaymentArrangementUnitsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsShareBasedPaymentArrangementUnitsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionCompensationPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the information pertaining to restricted share units, deferred share units and performance share units.",
        "label": "IFRS Share Based Payment Arrangement, Units [Member]",
        "terseLabel": "Share unit plan"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsSharePrice": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsSharePrice",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails",
      "http://www.newfoundgold.ca/role/DisclosureSettlementOfLegalClaimDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Price of a single share of a number of saleable stocks of a company.",
        "label": "Ifrs Share Price",
        "terseLabel": "Price per share",
        "verboseLabel": "Price per share"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsSharesIssuedPricePerShare": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsSharesIssuedPricePerShare",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Per share or per unit amount of equity securities issued.",
        "label": "IFRS Shares Issued, Price Per Share",
        "terseLabel": "Shares issued, price per share"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsStockIssuedDuringPeriodSharesAcquisitions": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsStockIssuedDuringPeriodSharesAcquisitions",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares of stock issued during the period pursuant to acquisitions.",
        "label": "IFRS Stock Issued During Period, Shares, Acquisitions",
        "terseLabel": "Acquisition of Maritime Resources Corp ( in shares)"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsStockIssuedDuringPeriodSharesLegalClaimSettlementAgreement": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsStockIssuedDuringPeriodSharesLegalClaimSettlementAgreement",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of new stock issued for legal claim settlement agreement during the period.",
        "label": "IFRS Stock Issued During Period, Shares, Legal Claim Settlement Agreement",
        "terseLabel": "Stock Issued pursuant to a legal claim settlement agreement, Shares"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsStockIssuedDuringPeriodSharesNewIssues": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsStockIssuedDuringPeriodSharesNewIssues",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of new stock issued during the period.",
        "label": "Ifrs Stock Issued During Period Shares New Issues",
        "terseLabel": "Issued in private placement (in shares)",
        "verboseLabel": "Common shares issued"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsStockIssuedDuringPeriodSharesPurchaseOfAssets": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsStockIssuedDuringPeriodSharesPurchaseOfAssets",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfKingswayProjectDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares of stock issued during the period as part of a transaction to acquire assets that do not qualify as a business combination.",
        "label": "IFRS Stock Issued During Period, Shares, Purchase of Assets",
        "terseLabel": "Issued on acquisition of the Kingsway Project (in shares)",
        "verboseLabel": "Issued pursuant to acquisition, Shares"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsStockIssuedDuringPeriodSharesPurchaseOfRoyalty": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsStockIssuedDuringPeriodSharesPurchaseOfRoyalty",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of new stock issued for royalty interests purchased during the period.",
        "label": "IFRS Stock Issued During Period, Shares, Purchase of Royalty",
        "terseLabel": "Aggregate share consideration"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsStockIssuedDuringPeriodSharesPurchaseOfRoyaltyShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsStockIssuedDuringPeriodSharesPurchaseOfRoyaltyShares",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of new stock issued for royalty interests purchased during the period.",
        "label": "IFRS Stock Issued During Period, Shares, Purchase of Royalty shares",
        "terseLabel": "Purchase of Royalty shares"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsStockIssuedDuringPeriodValuePurchaseOfAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsStockIssuedDuringPeriodValuePurchaseOfAssets",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfKingswayProjectDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Value of shares of stock issued during the period as part of a transaction to acquire assets that do not qualify as a business combination.",
        "label": "IFRS Stock Issued During Period, Value, Purchase of Assets",
        "terseLabel": "Issued on acquisition of the Kingsway Project",
        "verboseLabel": "Issued pursuant to acquisition, Value"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsStockIssuedDuringPeriodValuePurchaseOfRoyalty": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsStockIssuedDuringPeriodValuePurchaseOfRoyalty",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Equity impact of the value of new stock issued for royalty interests purchased during the period.",
        "label": "IFRS Stock Issued During Period, Value, Purchase of Royalty",
        "terseLabel": "Purchase of Royalty"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsStockIssuedDuringPeriodValueRestrictedStockAwardForfeitures": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsStockIssuedDuringPeriodValueRestrictedStockAwardForfeitures",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesRestrictedShareUnitsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Value of stock related to Restricted Stock Awards forfeited during the period.",
        "label": "IFRS Stock Issued During Period, Value, Restricted Stock Award, Forfeitures",
        "terseLabel": "Forfeitures"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsStockholdersEquityNoteStockSplitConversionRatio": {
     "xbrltype": "pureItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsStockholdersEquityNoteStockSplitConversionRatio",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsWarrantsDetails"
     ],
     "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": "Number of warrants ratio"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsSummaryOfOperatingLossCarryforwardsTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsSummaryOfOperatingLossCarryforwardsTableTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of pertinent information, such as tax authority, amounts, and expiration dates, of net operating loss carry forwards, including an assessment of the likelihood of utilization.",
        "label": "IFRS Summary of Operating Loss Carry forwards [Table Text Block]",
        "terseLabel": "Schedule of non-capital losses expire"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsTaxPeriodAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsTaxPeriodAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information about the period subject to enacted tax laws.",
        "label": "IFRS Tax Period [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsTaxPeriodDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsTaxPeriodDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Identified tax period.",
        "label": "IFRS Tax Period [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsTaxYear2044Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsTaxYear2044Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Identified as tax year 2044.",
        "label": "IFRS Tax Year 2044 [Member]",
        "terseLabel": "2044"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsTaxYear2045Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsTaxYear2045Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Identified as tax year 2045.",
        "label": "IFRS Tax Year 2045 [Member]",
        "terseLabel": "2045"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IfrsWarrantsAndRightsOutstandingTerm": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IfrsWarrantsAndRightsOutstandingTerm",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "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",
        "verboseLabel": "Term of warrant"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_Ifrs_otherNonOperatingIncomeExpenseAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "Ifrs_otherNonOperatingIncomeExpenseAbstract",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "No definition available.",
        "label": "ifrs_Other Non Operating Income (Expense) [Abstract]",
        "terseLabel": "Other income (expenses)"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ImpairmentLossRecognisedInProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ImpairmentLossRecognisedInProfitOrLoss",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss": {
       "parentTag": "nfgc_IfrsOtherNonoperatingIncomeExpense",
       "weight": -1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Impairment loss recognised in profit or loss",
        "negatedLabel": "Impairment reversal on equity investment"
       }
      }
     },
     "auth_ref": [
      "r46",
      "r49",
      "r239"
     ]
    },
    "nfgc_IncomeLossBeforeIncomeTaxesOfAcquireeSinceAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IncomeLossBeforeIncomeTaxesOfAcquireeSinceAcquisitionDate",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The income (loss) before income taxes of the acquiree, since the acquisition date, included in the consolidated statement of comprehensive income.",
        "label": "Income (Loss) Before Income Taxes Of Acquiree Since Acquisition Date",
        "negatedLabel": "Proforma income (loss) before income taxes since acquisition date"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IncomeLossBeforeIncomeTaxesOfCombinedEntityAsIfCombinationOccurredAtBeginningOfPeriod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IncomeLossBeforeIncomeTaxesOfCombinedEntityAsIfCombinationOccurredAtBeginningOfPeriod",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The income (loss) before income taxes of the combined entity as though the acquisition date for all business combinations that occurred during the year had been as of the beginning of the annual reporting period.",
        "label": "Income (Loss) Before Income Taxes Of Combined Entity As If Combination Occurred At Beginning Of Period",
        "negatedLabel": "Proforma income (loss) before income taxes of combined entity"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncomeStatementAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncomeStatementAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Consolidated Statements of Loss and Comprehensive Loss"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncomeTaxExpenseContinuingOperations": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncomeTaxExpenseContinuingOperations",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss": {
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": -1.0,
       "order": 1.0
      },
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      },
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesDetailsCalc2": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Tax expense (income)",
        "negatedLabel": "Income and mining tax recoveries - deferred",
        "totalLabel": "Income tax expense (recovery)"
       }
      }
     },
     "auth_ref": [
      "r2",
      "r3",
      "r4",
      "r36",
      "r91",
      "r173",
      "r215",
      "r216",
      "r217",
      "r325"
     ]
    },
    "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseInCashAndCashEquivalents",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) in cash and cash equivalents after effect of exchange rate changes",
        "totalLabel": "Net increase (decrease) in cash and cash equivalents"
       }
      },
      "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]"
       }
      }
     },
     "auth_ref": [
      "r75",
      "r211"
     ]
    },
    "ifrs-full_IncreaseDecreaseInDeferredTaxLiabilityAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseInDeferredTaxLiabilityAsset",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) in deferred tax liability (asset)",
        "terseLabel": "Deferred income and mining tax recoveries"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in a deferred tax liability (asset). [Refer: Deferred tax liability (asset)]"
       }
      }
     },
     "auth_ref": [
      "r399"
     ]
    },
    "nfgc_IncreaseDecreaseInInvestmentsThroughTransferOfInvestmentsInAssociates": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IncreaseDecreaseInInvestmentsThroughTransferOfInvestmentsInAssociates",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsAnalysisOfInvestmentsIncludingRelatedGainsAndLossesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase (decrease) upon transfer of investments in associates.",
        "label": "Increase (Decrease) In Investments Through Transfer Of Investments In Associates",
        "terseLabel": "Transferred from investment in associates"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IncreaseDecreaseInNetIncomeLossDueToReasonablyPossibleDecreaseInDesignatedRiskComponent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IncreaseDecreaseInNetIncomeLossDueToReasonablyPossibleDecreaseInDesignatedRiskComponent",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsMarketRiskDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase (decrease) in net income (loss) 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 Income (Loss) Due To Reasonably Possible Decrease In Designated Risk Component",
        "terseLabel": "Effect on net income (loss), decrease in market price"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IncreaseDecreaseInNetIncomeLossDueToReasonablyPossibleIncreaseInDesignatedRiskComponent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IncreaseDecreaseInNetIncomeLossDueToReasonablyPossibleIncreaseInDesignatedRiskComponent",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsMarketRiskDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase (decrease) in net income loss 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 Income (Loss) Due To Reasonably Possible Increase In Designated Risk Component",
        "terseLabel": "Effect on net income (loss), increase in market price"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncreaseDecreaseInWorkingCapital": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseInWorkingCapital",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": -1.0,
       "order": 2.0
      },
      "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosuresScheduleOfChangesInNonCashWorkingCapitalDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosuresScheduleOfChangesInNonCashWorkingCapitalDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) in working capital",
        "negatedLabel": "Change in non-cash working capital (Note 24)",
        "negatedTotalLabel": "Change in non-cash working capital"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in working capital."
       }
      }
     },
     "auth_ref": [
      "r415"
     ]
    },
    "nfgc_IncreaseDecreaseThroughAcquisitionOfAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IncreaseDecreaseThroughAcquisitionOfAssets",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase (decrease) in equity resulting from the acquisition of assets.",
        "label": "Increase (Decrease) Through Acquisition Of Assets",
        "terseLabel": "Acquisition of Exploits property claims"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncreaseDecreaseThroughAcquisitionOfSubsidiary": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughAcquisitionOfSubsidiary",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through acquisition of subsidiary, equity",
        "terseLabel": "Acquisition of Maritime Resources Corp"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in equity resulting from the acquisition of subsidiaries. [Refer: Total for all subsidiaries [member]]"
       }
      }
     },
     "auth_ref": [
      "r424"
     ]
    },
    "nfgc_IncreaseDecreaseThroughAdjustmentsToReclamationAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IncreaseDecreaseThroughAdjustmentsToReclamationAsset",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase (decrease) in  property, plant and equipment resulting from adjustments to reclamation asset.",
        "label": "Increase (Decrease) Through Adjustments To Reclamation Asset",
        "terseLabel": "Adjustment to reclamation assets"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfMovementInNetDeferredIncomeTaxLiabilityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through business combinations, deferred tax liability (asset)",
        "terseLabel": "Recognized on Maritime Acquisition"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in deferred tax liability (asset) resulting from business combinations. [Refer: Deferred tax liability (asset)]"
       }
      }
     },
     "auth_ref": [
      "r399"
     ]
    },
    "ifrs-full_IncreaseDecreaseThroughChangeInDiscountRateOtherProvisions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughChangeInDiscountRateOtherProvisions",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through change in discount rate, other provisions",
        "verboseLabel": "Increase in reclamation and closure cost provision"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in other provisions resulting from a change in discount rate. [Refer: Other provisions]"
       }
      }
     },
     "auth_ref": [
      "r57",
      "r246"
     ]
    },
    "nfgc_IncreaseDecreaseThroughChangeInReclamationAndClosureCostEstimate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IncreaseDecreaseThroughChangeInReclamationAndClosureCostEstimate",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsMovementDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of increase (decrease) in other provisions due to change in reclamation and closure cost estimate.",
        "label": "Increase (Decrease) Through Change In Reclamation And Closure Cost Estimate",
        "terseLabel": "Change in reclamation and closure cost estimates"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncreaseDecreaseThroughExerciseOfOptions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughExerciseOfOptions",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through exercise of options, equity",
        "terseLabel": "Stock options exercised"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in equity resulting from the exercise of options."
       }
      }
     },
     "auth_ref": [
      "r424"
     ]
    },
    "ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughExerciseOfWarrantsEquity",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through exercise of warrants, equity",
        "terseLabel": "Warrants exercised"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in equity resulting from the exercise of warrants."
       }
      }
     },
     "auth_ref": [
      "r424"
     ]
    },
    "nfgc_IncreaseDecreaseThroughFlowThroughSharePremium": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IncreaseDecreaseThroughFlowThroughSharePremium",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase (decrease) in equity resulting from flow-through share premium.",
        "label": "Increase Decrease Through Flow-Through Share Premium",
        "negatedLabel": "Flow-through premium"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IncreaseDecreaseThroughProspectusOffering": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IncreaseDecreaseThroughProspectusOffering",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase (decrease) through prospectus offering.",
        "label": "Increase Decrease Through Prospectus Offering",
        "terseLabel": "Issued in prospectus offering"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IncreaseDecreaseThroughSettlementOfLegalClaims": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IncreaseDecreaseThroughSettlementOfLegalClaims",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase (decrease) in equity resulting from the settlement of legal claims.",
        "label": "Increase (Decrease) Through Settlement of Legal Claims",
        "terseLabel": "Issued in settlement of legal claim"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughSharebasedPaymentTransactions",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through share-based payment transactions, equity",
        "terseLabel": "Share-based compensation"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in equity resulting from share-based payment transactions. [Refer: Equity]"
       }
      }
     },
     "auth_ref": [
      "r296"
     ]
    },
    "ifrs-full_IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsMovementDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase through adjustments arising from passage of time, other provisions",
        "terseLabel": "Accretion cost"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase in other provisions through adjustments arising from the passage of time. [Refer: Other provisions]"
       }
      }
     },
     "auth_ref": [
      "r57",
      "r246"
     ]
    },
    "nfgc_IncreaseInCumulativeExplorationExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IncreaseInCumulativeExplorationExpense",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsExplorationAndEvaluationExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of increase in cumulative exploration expense.",
        "label": "Increase in Cumulative Exploration Expense",
        "terseLabel": "Cumulative exploration expense"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IncreaseThroughSharesIssuedForDebtSettlementShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IncreaseThroughSharesIssuedForDebtSettlementShares",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase in number of equity shares, resulting from shares issued for debt settlement..",
        "label": "Increase Through Shares Issued For Debt Settlement, Shares",
        "terseLabel": "Issued pursuant to share - for - debt settlement (in shares)"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IncreaseThroughSharesIssuedForDebtSettlementValues": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IncreaseThroughSharesIssuedForDebtSettlementValues",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpShareForDebtSettlementDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase in value of equity shares, resulting from shares issued for debt settlement..",
        "label": "Increase Through Shares Issued For Debt Settlement, Values",
        "terseLabel": "Issued pursuant to share - for - debt settlement",
        "verboseLabel": "Settlement agreement, Fair value of shares issued"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_InominPropertyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "InominPropertyMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Inomin property.",
        "label": "Inomin Property [Member]",
        "terseLabel": "Inomin property"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_InterestAccretionAndFinancingExpenses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "InterestAccretionAndFinancingExpenses",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss": {
       "parentTag": "nfgc_IfrsOtherNonoperatingIncomeExpense",
       "weight": -1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of interest, accretion and financing expenses.",
        "label": "Interest, Accretion And Financing Expenses",
        "negatedLabel": "Interest, accretion and financing expenses"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_InterestIncomeOnDebtInstrumentsHeld": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InterestIncomeOnDebtInstrumentsHeld",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesNarrativesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest income on debt instruments held",
        "terseLabel": "Interest income on the secured notes"
       }
      }
     },
     "auth_ref": [
      "r425"
     ]
    },
    "ifrs-full_InterestPaidClassifiedAsFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InterestPaidClassifiedAsFinancingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": -1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest paid, classified as financing activities",
        "negatedLabel": "Loan and lease interest payments"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for interest paid, classified as financing activities."
       }
      }
     },
     "auth_ref": [
      "r72"
     ]
    },
    "nfgc_InterestPaidClassifiedAsNonCashInvestingAndFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "InterestPaidClassifiedAsNonCashInvestingAndFinancingActivities",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosuresScheduleOfSupplementalCashFlowDisclosuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of interest paid classified as non-cash investing and financing activities.",
        "label": "Interest Paid Classified as Non Cash Investing and Financing Activities",
        "verboseLabel": "Cash paid for interest"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_InterestReceivedClassifiedAsInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InterestReceivedClassifiedAsInvestingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest received, classified as investing activities",
        "terseLabel": "Interest received on secured notes"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from interest received, classified as investing activities."
       }
      }
     },
     "auth_ref": [
      "r72"
     ]
    },
    "ifrs-full_InterestReceivedClassifiedAsOperatingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InterestReceivedClassifiedAsOperatingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 13.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest received, classified as operating activities",
        "terseLabel": "Interest received"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from interest received, classified as operating activities."
       }
      }
     },
     "auth_ref": [
      "r72"
     ]
    },
    "ifrs-full_Inventories": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Inventories",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0,
       "order": 3.0
      },
      "http://www.newfoundgold.ca/role/DisclosureInventoriesDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInventoriesDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current inventories",
        "terseLabel": "Inventories",
        "totalLabel": "Total"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current inventories. [Refer: Inventories]"
       }
      }
     },
     "auth_ref": [
      "r22",
      "r208",
      "r305",
      "r383"
     ]
    },
    "ifrs-full_InventoryRecognisedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InventoryRecognisedAsOfAcquisitionDate",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails": {
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Inventory recognised as of acquisition date",
        "terseLabel": "Inventories"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for inventory acquired in a business combination. [Refer: Inventories; Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r354",
      "r356",
      "r375"
     ]
    },
    "ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InvestmentsInAssociatesAccountedForUsingEquityMethod",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsKirklandLakeDiscoveriesCorpMovementInInvestmentDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investments in associates accounted for using equity method",
        "periodEndLabel": "Investment in KLDC - ending",
        "periodStartLabel": "Investment in KLDC - Beginning",
        "verboseLabel": "Investment in Kirkland Lake Discoveries Corp."
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of investments in associates accounted for using the equity method. [Refer: Total for all associates [member]; Investments accounted for using equity method]"
       }
      }
     },
     "auth_ref": [
      "r427"
     ]
    },
    "ifrs-full_IssueOfEquity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IssueOfEquity",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Issue of equity",
        "terseLabel": "Issued in private placement",
        "verboseLabel": "Value of shares issued during the period"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase in equity through the issue of equity instruments."
       }
      }
     },
     "auth_ref": [
      "r296"
     ]
    },
    "nfgc_IssueOfSharesPursuantToAcquisitionOfExplorationAndEvaluationAssetsShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IssueOfSharesPursuantToAcquisitionOfExplorationAndEvaluationAssetsShares",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares issued pursuant to acquisition of exploration and evaluation assets during the period.",
        "label": "Issue of Shares Pursuant to Acquisition of Exploration and Evaluation Assets, Shares",
        "terseLabel": "Issued on acquisition of exploration and evaluation assets (in shares)"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IssueOfSharesPursuantToAcquisitionOfExplorationAndEvaluationAssetsValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IssueOfSharesPursuantToAcquisitionOfExplorationAndEvaluationAssetsValue",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase in equity through the issue of shares pursuant to acquisition of exploration and evaluation assets.",
        "label": "Issue of Shares Pursuant to Acquisition of Exploration and Evaluation Assets, Value",
        "terseLabel": "Issued on acquisition of exploration and evaluation assets"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_IssueOfSharesPursuantToSettlementOfLegalClaimsShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "IssueOfSharesPursuantToSettlementOfLegalClaimsShares",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSettlementOfLegalClaimDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares issued pursuant to settlement of legal claims during the period.",
        "label": "Issue of Shares Pursuant to Settlement of Legal Claims, Shares",
        "terseLabel": "Issued in settlement of legal claim (in shares)"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IssuedCapital": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IssuedCapital",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_Equity",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Issued capital",
        "terseLabel": "Share capital"
       }
      },
      "en": {
       "role": {
        "documentation": "The nominal value of capital issued."
       }
      }
     },
     "auth_ref": [
      "r379",
      "r387"
     ]
    },
    "ifrs-full_IssuedCapitalMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IssuedCapitalMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share capital [Member]",
        "terseLabel": "Share Capital"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a component of equity representing issued capital."
       }
      }
     },
     "auth_ref": [
      "r297"
     ]
    },
    "nfgc_KeithBoyleMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "KeithBoyleMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Keith Boyle.",
        "label": "Keith Boyle [Member]",
        "terseLabel": "Keith Boyle"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_KeyManagementPersonnelCompensation": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "KeyManagementPersonnelCompensation",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Key management personnel compensation",
        "verboseLabel": "Key management personnel compensation"
       }
      }
     },
     "auth_ref": [
      "r30",
      "r231"
     ]
    },
    "nfgc_KeyManagementPersonnelCompensationBonus": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "KeyManagementPersonnelCompensationBonus",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of compensation to key management personnel in the form of bonus.",
        "label": "Key Management Personnel Compensation, Bonus",
        "verboseLabel": "Bonus"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "KeyManagementPersonnelCompensationSharebasedPayment",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Key management personnel compensation, share-based payment",
        "terseLabel": "Share-based Compensation"
       }
      }
     },
     "auth_ref": [
      "r29"
     ]
    },
    "ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "KeyManagementPersonnelCompensationShorttermEmployeeBenefits",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Key management personnel compensation, short-term employee benefits",
        "verboseLabel": "Salaries and Consulting"
       }
      }
     },
     "auth_ref": [
      "r27"
     ]
    },
    "ifrs-full_KeyManagementPersonnelCompensationTerminationBenefits": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "KeyManagementPersonnelCompensationTerminationBenefits",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Key management personnel compensation, termination benefits",
        "terseLabel": "Termination benefits"
       }
      }
     },
     "auth_ref": [
      "r28"
     ]
    },
    "nfgc_KirklandLakeDiscoveriesCorpMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "KirklandLakeDiscoveriesCorpMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsEquitiesDetails",
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsKirklandLakeDiscoveriesCorpMovementInInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Kirkland Lake Discoveries Corp.",
        "label": "Kirkland Lake Discoveries Corp",
        "terseLabel": "Kirkland Lake Discoveries Corp"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_LabradorGoldCorpMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "LabradorGoldCorpMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsEquitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Labrador Gold Corp.",
        "label": "Labrador Gold Corp.",
        "terseLabel": "Labrador Gold Corp."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_LandAndBuildingsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LandAndBuildingsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPropertyPlantAndEquipmentDetails",
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Property &amp; Buildings",
        "terseLabel": "Property, plant and equipment",
        "verboseLabel": "Property and buildings"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a class of property, plant and equipment representing land and depreciable buildings and similar structures for use in operations. [Refer: Buildings; Land; Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r330"
     ]
    },
    "ifrs-full_LaterThanFiveYearsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LaterThanFiveYearsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsScheduleOfMaturityProfileOfFinancialLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "More than five years",
        "terseLabel": "More than 5 years"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than five years."
       }
      }
     },
     "auth_ref": [
      "r108",
      "r109",
      "r118",
      "r196",
      "r199",
      "r359",
      "r364",
      "r366"
     ]
    },
    "ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LaterThanOneYearAndNotLaterThanThreeYearsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsScheduleOfMaturityProfileOfFinancialLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Later than one year and not later than three years [member]",
        "terseLabel": "2-3 years"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than one year and not later than three years."
       }
      }
     },
     "auth_ref": [
      "r359",
      "r362",
      "r366"
     ]
    },
    "ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LaterThanThreeYearsAndNotLaterThanFiveYearsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsScheduleOfMaturityProfileOfFinancialLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "4 to 5 Years",
        "terseLabel": "4-5 years"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than three years and not later than five years."
       }
      }
     },
     "auth_ref": [
      "r359",
      "r363",
      "r366"
     ]
    },
    "nfgc_LeaseLiabilitiesRecognizedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "LeaseLiabilitiesRecognizedAsOfAcquisitionDate",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails": {
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": -1.0,
       "order": 11.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount recognized as of the acquisition date for lease liabilities assumed in a business combination.",
        "label": "Lease Liabilities Recognized As Of Acquisition Date",
        "negatedLabel": "Lease liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "dei_LegalEntityAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "LegalEntityAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSettlementOfLegalClaimDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Legal Entity [Axis]",
        "documentation": "The set of legal entities associated with a report."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_Level1OfFairValueHierarchyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Level1OfFairValueHierarchyMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsCompanySFinancialInstrumentsAccordingToFairValueHierarchyDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Level 1",
        "terseLabel": "Level 1"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r20",
      "r52",
      "r54",
      "r96",
      "r243",
      "r283"
     ]
    },
    "ifrs-full_Level2OfFairValueHierarchyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Level2OfFairValueHierarchyMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsCompanySFinancialInstrumentsAccordingToFairValueHierarchyDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Level 2",
        "terseLabel": "Level 2"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r52",
      "r54",
      "r96",
      "r243",
      "r283"
     ]
    },
    "ifrs-full_LevelsOfFairValueHierarchyAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LevelsOfFairValueHierarchyAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsCompanySFinancialInstrumentsAccordingToFairValueHierarchyDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Levels of fair value hierarchy [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r20",
      "r96",
      "r283"
     ]
    },
    "ifrs-full_LevelsOfFairValueHierarchyDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LevelsOfFairValueHierarchyDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsCompanySFinancialInstrumentsAccordingToFairValueHierarchyDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Levels of fair value hierarchy [domain]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r20",
      "r96",
      "r283"
     ]
    },
    "ifrs-full_Liabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Liabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_EquityAndLiabilities",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsLiquidityRiskDetails",
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities",
        "terseLabel": "Liabilities",
        "totalLabel": "Total liabilities",
        "verboseLabel": "Segment liabilities"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r95",
      "r96",
      "r97",
      "r174",
      "r179",
      "r282",
      "r283",
      "r310"
     ]
    },
    "ifrs-full_LiabilitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LiabilitiesAbstract",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities [abstract]",
        "terseLabel": "Liabilities and Equity"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LiabilitiesFromSharebasedPaymentTransactions2011",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureOtherCurrentLiabilitiesDetails": {
       "parentTag": "ifrs-full_OtherCurrentLiabilities",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOtherCurrentLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities from share-based payment transactions",
        "terseLabel": "Share-based compensation"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of liabilities arising from share-based payment transactions. Share-based payment transactions are 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: Types of share-based payment arrangements [domain]]"
       }
      }
     },
     "auth_ref": [
      "r134",
      "r266"
     ]
    },
    "dei_LocalPhoneNumber": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "LocalPhoneNumber",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Local Phone Number",
        "documentation": "Local phone number for entity."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_LongtermBorrowings": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LongtermBorrowings",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_Liabilities",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-current portion of non-current borrowings",
        "terseLabel": "Loans payable"
       }
      },
      "en": {
       "role": {
        "documentation": "The non-current portion of non-current borrowings. [Refer: Borrowings]"
       }
      }
     },
     "auth_ref": [
      "r427"
     ]
    },
    "ifrs-full_LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_Liabilities",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsMovementDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-current provision for decommissioning, restoration and rehabilitation costs",
        "terseLabel": "Reclamation and closure cost provisions",
        "verboseLabel": "Non-current portion of reclamation and closure cost provisions"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of non-current provision for decommissioning, restoration and rehabilitation costs. [Refer: Provision for decommissioning, restoration and rehabilitation costs]"
       }
      }
     },
     "auth_ref": [
      "r338",
      "r339"
     ]
    },
    "ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MajorComponentsOfTaxExpenseIncomeAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "INCOME TAXES"
       }
      }
     },
     "auth_ref": []
    },
    "srt_MajorCustomersAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "MajorCustomersAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRevenueDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Customer [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_MajorCustomersDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MajorCustomersDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRevenueDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Major customers [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for customers. It also represents the standard value for the 'Major customers' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r185"
     ]
    },
    "nfgc_MaritimeResourcesCorpMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "MaritimeResourcesCorpMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpDetails",
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails",
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpRoyaltyArrangementDetails",
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpShareForDebtSettlementDetails",
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsWarrantsDetails",
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails",
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Maritime Resources Corp.",
        "label": "Maritime Resources Corp [Member]",
        "terseLabel": "Maritime Resources Corp"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_MaterialReconcilingItemsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MaterialReconcilingItemsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Material reconciling items [member]",
        "terseLabel": "Corporate and Others"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for material adjustments used to reconcile items in the entity's financial statements."
       }
      }
     },
     "auth_ref": [
      "r181"
     ]
    },
    "ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MaturityAnalysisForNonderivativeFinancialLiabilities",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of maturity analysis for non-derivative financial liabilities [text block]",
        "terseLabel": "Summary of maturity profile of the company's financial labilities"
       }
      },
      "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]"
       }
      }
     },
     "auth_ref": [
      "r162",
      "r277"
     ]
    },
    "ifrs-full_MaturityAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MaturityAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsScheduleOfMaturityProfileOfFinancialLiabilitiesDetails",
      "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maturity [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r104",
      "r108",
      "r109",
      "r110",
      "r111",
      "r112",
      "r118",
      "r152",
      "r163",
      "r189",
      "r192",
      "r197",
      "r200",
      "r273",
      "r313",
      "r334",
      "r359"
     ]
    },
    "ifrs-full_MaturityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MaturityDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsScheduleOfMaturityProfileOfFinancialLiabilitiesDetails",
      "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maturity [domain]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r104",
      "r108",
      "r109",
      "r110",
      "r111",
      "r112",
      "r118",
      "r152",
      "r189",
      "r192",
      "r197",
      "r200",
      "r273",
      "r313",
      "r334",
      "r359",
      "r365"
     ]
    },
    "nfgc_MaximumAggregateGrossProceedsFromIssuingSharesMayObtain": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "MaximumAggregateGrossProceedsFromIssuingSharesMayObtain",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of maximum aggregate gross proceeds may obtain from issuing shares.",
        "label": "Maximum Aggregate Gross Proceeds from Issuing Shares May Obtain",
        "terseLabel": "Maximum aggregate gross proceeds"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_MaximumDiscountRateFromMarketValueOfSecuritiesEscrowedOrRestrictedSaleOrTransfer": {
     "xbrltype": "pureItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "MaximumDiscountRateFromMarketValueOfSecuritiesEscrowedOrRestrictedSaleOrTransfer",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The maximum discount rate from market value of securities escrowed or restricted sale or transfer.",
        "label": "Maximum Discount Rate from Market Value of Securities Escrowed or Restricted Sale or Transfer",
        "terseLabel": "Maximum discount rate from market value of securities escrowed or restricted sale or transfer"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_MaximumPercentageOfNsrPurchased": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "MaximumPercentageOfNsrPurchased",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the percentage of net smelter return (\"NSR\") royalties, that can be purchased in the property.",
        "label": "Maximum Percentage of NSR Purchased",
        "terseLabel": "Percentage of NSR purchased"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_MeasurementAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MeasurementAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsCompanySFinancialInstrumentsAccordingToFairValueHierarchyDetails",
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Measurement [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r61",
      "r65",
      "r95",
      "r253",
      "r282"
     ]
    },
    "ifrs-full_MeasurementDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MeasurementDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsCompanySFinancialInstrumentsAccordingToFairValueHierarchyDetails",
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Measurement [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for all types of measurement. It also represents the standard value for the 'Measurement' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r61",
      "r65",
      "r95",
      "r253",
      "r282"
     ]
    },
    "nfgc_MeasurementInputRiskFreeDiscountRates": {
     "xbrltype": "pureItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "MeasurementInputRiskFreeDiscountRates",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Measurement input being risk free discount rates.",
        "label": "Measurement Input, Risk Free Discount Rates",
        "terseLabel": "Reclamation liability remeasured, Risk-free discount rate"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_MelissaRenderMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "MelissaRenderMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Melissa Render.",
        "label": "Melissa Render [Member]",
        "terseLabel": "Melissa Render"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_MichaelKanevskyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "MichaelKanevskyMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Michael Kanevsky.",
        "label": "Michael Kanevsky [Member]",
        "terseLabel": "Michael Kanevsky"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_MineralPropertyInWhiskerValleyPropertyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "MineralPropertyInWhiskerValleyPropertyMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for additional mineral property Whisker Valley property.",
        "label": "Mineral Property in Whisker Valley Property [Member]",
        "terseLabel": "Mineral property Whisker Valley property."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_MiningAssetsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MiningAssetsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPropertyPlantAndEquipmentDetails",
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails",
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Geological Equipment",
        "terseLabel": "Geological equipment and other facilities",
        "verboseLabel": "Mining interests"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for mining assets. [Refer: Mining assets]"
       }
      }
     },
     "auth_ref": [
      "r400"
     ]
    },
    "nfgc_MiningInterestRecognizedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "MiningInterestRecognizedAsOfAcquisitionDate",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails": {
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount recognized as of the acquisition date for mining interests acquired in a business combination.",
        "label": "Mining Interest Recognized As Of Acquisition Date",
        "terseLabel": "Mining interests (Note 10)"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_MiningOperationsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "MiningOperationsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for mining operations.",
        "label": "Mining Operations [Member]",
        "terseLabel": "Mining Operations"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_MiningPropertyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MiningPropertyMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Mining property [member]",
        "terseLabel": "Hammerdown",
        "verboseLabel": "Mineral properties"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for property related to mining activities."
       }
      }
     },
     "auth_ref": [
      "r400"
     ]
    },
    "nfgc_MiningTaxMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "MiningTaxMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfComponentsOfDeferredIncomeTaxAssetsAndLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for mining tax.",
        "label": "Mining Tax [Member]",
        "terseLabel": "Mining tax"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_MobileEquipmentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "MobileEquipmentMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for mobile equipment.",
        "label": "Mobile Equipment [Member]",
        "terseLabel": "Mobile equipment"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NetCapitalLossCarryforwardMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NetCapitalLossCarryforwardMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfDeductibleTemporaryDifferencesUnusedTaxLossesAndUnusedTaxCreditsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for net capital loss carry forward.",
        "label": "Net capital loss carry forward",
        "verboseLabel": "Capital losses"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NetProfitsInterestPercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NetProfitsInterestPercentage",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The net profits interests paid, calculated as percentage on gross receipts less all cumulative development and operating expenses.",
        "label": "Net Profits Interest, Percentage",
        "terseLabel": "Payment of interest on net profits"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NetSmelterReturnRoyaltiesCappedAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NetSmelterReturnRoyaltiesCappedAmount",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Maximum payment of net smelter return royalties under the royalty asset purchase agreement.",
        "label": "Net Smelter Return Royalties, Capped Amount",
        "terseLabel": "Capped amount of NSR"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NetSmelterRoyaltyPurchasePrice": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NetSmelterRoyaltyPurchasePrice",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of consideration for purchase of net smelter royalties, under asset acquisition.",
        "label": "Net Smelter Royalty, Purchase Price",
        "terseLabel": "Purchase of NSR, Amount"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NonCashInvestingAndFinancingActivitiesInterestIncomeReceivedInShares": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NonCashInvestingAndFinancingActivitiesInterestIncomeReceivedInShares",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosuresScheduleOfSupplementalCashFlowDisclosuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of interest income received in shares in noncash investing or financing activities.",
        "label": "Non Cash Investing And Financing Activities, Interest Income Received In Shares",
        "terseLabel": "Interest income on secured note received in Maritime shares"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NonCashInvestingAndFinancingActivitiesRightOfUseAssetsAndLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NonCashInvestingAndFinancingActivitiesRightOfUseAssetsAndLiabilities",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosuresScheduleOfSupplementalCashFlowDisclosuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase in right of use asset in exchange of lease liability.",
        "label": "Non Cash Investing And Financing Activities, Right Of Use Assets And Liabilities",
        "terseLabel": "Right-of-use assets and liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NonCashInvestingAndFinancingActivitiesStockIssuedForExplorationAndEvaluationAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NonCashInvestingAndFinancingActivitiesStockIssuedForExplorationAndEvaluationAssets",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosuresScheduleOfSupplementalCashFlowDisclosuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The fair value of stock issued for exploration and evaluation assets in noncash investing or financing activities.",
        "label": "Non Cash Investing And Financing Activities, Stock Issued For Exploration And Evaluation Assets",
        "terseLabel": "Shares issued for E&amp;E assets (Note 10)"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NonCashInvestingAndFinancingActivitiesStockIssuedForPropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NonCashInvestingAndFinancingActivitiesStockIssuedForPropertyPlantAndEquipment",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureCashFlowDisclosuresScheduleOfSupplementalCashFlowDisclosuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The fair value of stock issued for property plant and equipment in noncash investing or financing activities.",
        "label": "Non Cash Investing And Financing Activities, Stock Issued For Property, Plant And Equipment",
        "terseLabel": "Shares issued for property and equipment (Note 10)"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NonConvertibleSeniorSecuredNotesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NonConvertibleSeniorSecuredNotesMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesDetails",
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesMovementInCompanySSecuredNotesDetails",
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesNarrativesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for nonconvertible senior secured notes.",
        "label": "Non Convertible Senior Secured Notes [Member]",
        "terseLabel": "Secured notes"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NonExecutiveDirectorsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NonExecutiveDirectorsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for non-executive directors.",
        "label": "Non-Executive Directors [Member]",
        "terseLabel": "Non-executive directors"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NonTransferableWarrantsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NonTransferableWarrantsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for non-transferable warrants.",
        "label": "Non-transferable Warrants [Member]",
        "terseLabel": "Non-transferable warrants"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NonTransferableWarrantsTrancheOneMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NonTransferableWarrantsTrancheOneMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for tranche one of non-transferable warrants.",
        "label": "Non-transferable Warrants, Tranche One [Member]",
        "terseLabel": "Non-transferable warrants, Tranche one"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NonTransferableWarrantsTrancheTwoMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NonTransferableWarrantsTrancheTwoMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for tranche two of non-transferable warrants.",
        "label": "Non-transferable Warrants, Tranche Two [Member]",
        "terseLabel": "Non-transferable warrants, Tranche two"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_NonadjustingEventsAfterReportingPeriodAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NonadjustingEventsAfterReportingPeriodAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesRestrictedShareUnitsDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWarrantsActivityDetails",
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-adjusting events after reporting period [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r0",
      "r214"
     ]
    },
    "ifrs-full_NonadjustingEventsAfterReportingPeriodDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NonadjustingEventsAfterReportingPeriodDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesRestrictedShareUnitsDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWarrantsActivityDetails",
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-adjusting events after reporting period [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for events that occur between the end of the reporting period and the date when the financial statements are authorised for issue and are indicative of conditions that arose after the reporting period. It also represents the standard value for the 'Non-adjusting events after reporting period' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r0",
      "r214"
     ]
    },
    "ifrs-full_NoncurrentAssetsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NoncurrentAssetsAbstract",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-current assets [abstract]",
        "terseLabel": "Non-current assets"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_NoncurrentLeaseLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NoncurrentLeaseLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_Liabilities",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-current lease liabilities",
        "terseLabel": "Lease liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of non-current lease liabilities. [Refer: Lease liabilities]"
       }
      }
     },
     "auth_ref": [
      "r105"
     ]
    },
    "ifrs-full_NoncurrentLiabilitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NoncurrentLiabilitiesAbstract",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-current liabilities [abstract]",
        "terseLabel": "Non-current liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NonderivativeFinancialLiabilitiesUndiscountedCashFlows",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsScheduleOfMaturityProfileOfFinancialLiabilitiesDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsScheduleOfMaturityProfileOfFinancialLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-derivative financial liabilities, undiscounted cash flows",
        "totalLabel": "Financial Liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of contractual undiscounted cash flows in relation to non-derivative financial liabilities."
       }
      }
     },
     "auth_ref": [
      "r162",
      "r277"
     ]
    },
    "ifrs-full_NotLaterThanOneYearMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NotLaterThanOneYearMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsScheduleOfMaturityProfileOfFinancialLiabilitiesDetails",
      "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Less than one year",
        "terseLabel": "Less than one year",
        "verboseLabel": "Within 1 year"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a time band of not later than one year."
       }
      }
     },
     "auth_ref": [
      "r108",
      "r109",
      "r118",
      "r195",
      "r198",
      "r312",
      "r359",
      "r366"
     ]
    },
    "nfgc_NotesAtFairValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NotesAtFairValue",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value of notes.",
        "label": "Notes At Fair Value",
        "terseLabel": "Fair value of notes"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_NotionalAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NotionalAmount",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesDetails",
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Notional amount",
        "terseLabel": "Gross investment"
       }
      },
      "en": {
       "role": {
        "documentation": "The nominal or face amount of a financial instrument, used to calculate payments made on that instrument."
       }
      }
     },
     "auth_ref": [
      "r425"
     ]
    },
    "nfgc_NotzCapitalCorpMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NotzCapitalCorpMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Nortz Capital corp.",
        "label": "Notz Capital Corp"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NumberOfClaims": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NumberOfClaims",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the number of claims.",
        "label": "Number of Claims",
        "terseLabel": "Number of claims"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NumberOfCommonSharesOwned": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NumberOfCommonSharesOwned",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSettlementOfLegalClaimDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of common shares owned.",
        "label": "Number of Common Shares Owned",
        "terseLabel": "Common shares owned"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NumberOfEquitySecuritiesHeld": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NumberOfEquitySecuritiesHeld",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsEquitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the quantity of equity security held.",
        "label": "Number of Equity Securities Held",
        "terseLabel": "Equities held, Shares"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_NumberOfInstrumentsOrInterestsIssuedOrIssuable": {
     "xbrltype": "decimalItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfInstrumentsOrInterestsIssuedOrIssuable",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of instruments or interests issued or issuable",
        "terseLabel": "Number of shares issued"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of instruments or interests issued or issuable at acquisition date for equity interests of the acquirer transferred as consideration in a business combination."
       }
      }
     },
     "auth_ref": [
      "r135"
     ]
    },
    "ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted": {
     "xbrltype": "decimalItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfInstrumentsOtherEquityInstrumentsGranted",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesRestrictedShareUnitsDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWarrantsActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of other equity instruments granted in share-based payment arrangement",
        "terseLabel": "Number of RSU granted"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement."
       }
      }
     },
     "auth_ref": [
      "r132",
      "r416"
     ]
    },
    "nfgc_NumberOfLoanTranches": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NumberOfLoanTranches",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of loan tranches.",
        "label": "Number Of Loan Tranches",
        "terseLabel": "Number of loan tranches"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NumberOfMineralLicenses": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NumberOfMineralLicenses",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the number of mineral licenses.",
        "label": "Number of Mineral Licenses",
        "terseLabel": "Number of mineral licenses"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement": {
     "xbrltype": "decimalItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesRestrictedShareUnitsDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWarrantsActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of other equity instruments exercised or vested in share-based payment arrangement.",
        "terseLabel": "Warrants exercised",
        "verboseLabel": "Settlement of RSUs vested"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of other equity instruments (ie other than share options) exercised or vested in a share-based payment arrangement."
       }
      }
     },
     "auth_ref": [
      "r416"
     ]
    },
    "nfgc_NumberOfOtherEquityInstrumentsGrantedInShareBasedPaymentArrangementBusinessCombination": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NumberOfOtherEquityInstrumentsGrantedInShareBasedPaymentArrangementBusinessCombination",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWarrantsActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the count of non-standard equity instruments (e.g., restricted equity units, performance shares, or other contractual equity awards) granted to acquirees or employees as part of a share-based payment arrangement linked to a business combination under IFRS.",
        "label": "Number Of Other Equity Instruments Granted In Share Based Payment Arrangement, Business Combination",
        "terseLabel": "Warrants outstanding, Maritime Acquisition"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement": {
     "xbrltype": "decimalItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesRestrictedShareUnitsDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWarrantsActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of other equity instruments outstanding in share-based payment arrangement",
        "periodEndLabel": "Warrants outstanding at the end",
        "periodStartLabel": "Warrants outstanding at the beginning",
        "verboseLabel": "Number of RSUs"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement."
       }
      }
     },
     "auth_ref": [
      "r416"
     ]
    },
    "ifrs-full_NumberOfOutstandingShareOptions": {
     "xbrltype": "decimalItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfOutstandingShareOptions",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of share options outstanding in share-based payment arrangement",
        "periodEndLabel": "Option outstanding at the end",
        "periodStartLabel": "Option outstanding at the beginning",
        "terseLabel": "Stock options outstanding, number outstanding"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of share options outstanding in a share-based payment arrangement."
       }
      }
     },
     "auth_ref": [
      "r120",
      "r124",
      "r128",
      "r257",
      "r261"
     ]
    },
    "ifrs-full_NumberOfPotentialOrdinarySharesThatAreAntidilutiveInPeriodPresented": {
     "xbrltype": "sharesItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfPotentialOrdinarySharesThatAreAntidilutiveInPeriodPresented",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureBasicAndDilutedLossPerShareAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of potential ordinary shares that are antidilutive in period presented",
        "terseLabel": "Number of potential ordinary shares that are antidilutive"
       }
      },
      "en": {
       "role": {
        "documentation": "Number of potential ordinary shares that are antidilutive in the period presented."
       }
      }
     },
     "auth_ref": [
      "r404"
     ]
    },
    "nfgc_NumberOfReplacementOptionsIssuedInExchangeForOutstandingOptionsOfAcquiree": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NumberOfReplacementOptionsIssuedInExchangeForOutstandingOptionsOfAcquiree",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of replacement options issued in exchange for outstanding options of the acquiree at acquisition date.",
        "label": "Number Of Replacement Options Issued In Exchange For Outstanding Options Of Acquiree",
        "terseLabel": "Number of replacement options issued"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NumberOfReplacementWarrantsIssuedInExchangeForOutstandingSharePurchaseWarrantsOfAcquiree": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NumberOfReplacementWarrantsIssuedInExchangeForOutstandingSharePurchaseWarrantsOfAcquiree",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of replacement warrants issued in exchange for outstanding share purchase warrants of the acquiree at acquisition date.",
        "label": "Number Of Replacement Warrants Issued In Exchange For Outstanding Share Purchase Warrants Of Acquiree",
        "terseLabel": "Number of replacement warrants issued"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NumberOfRoyaltyPurchaseAgreements": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NumberOfRoyaltyPurchaseAgreements",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of royalty purchase agreements.",
        "label": "Number of Royalty Purchase Agreements",
        "terseLabel": "Number of royalty purchase agreements"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NumberOfSeparateFullyExecutedOptionAgreements": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NumberOfSeparateFullyExecutedOptionAgreements",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the number of separate, fully executed option agreements.",
        "label": "Number of Separate, Fully Executed Option Agreements",
        "terseLabel": "Number of separate, fully executed option agreements"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement": {
     "xbrltype": "decimalItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfShareOptionsExercisableInSharebasedPaymentArrangement",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of share options exercisable in share-based payment arrangement",
        "periodEndLabel": "Option exercisable at the end",
        "terseLabel": "Stock options exercisable, number outstanding"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of share options exercisable in a share-based payment arrangement."
       }
      }
     },
     "auth_ref": [
      "r125",
      "r262"
     ]
    },
    "ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement": {
     "xbrltype": "decimalItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfShareOptionsExercisedInSharebasedPaymentArrangement",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of share options exercised in share-based payment arrangement.",
        "negatedLabel": "Option exercised",
        "verboseLabel": "Number of stock options exercised"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of share options exercised in a share-based payment arrangement."
       }
      }
     },
     "auth_ref": [
      "r122",
      "r259"
     ]
    },
    "ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement": {
     "xbrltype": "decimalItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfShareOptionsExpiredInSharebasedPaymentArrangement",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of share options expired in share-based payment arrangement",
        "negatedLabel": "Option forfeited/cancelled/expired"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of share options expired in a share-based payment arrangement."
       }
      }
     },
     "auth_ref": [
      "r123",
      "r260"
     ]
    },
    "ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement": {
     "xbrltype": "decimalItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfShareOptionsGrantedInSharebasedPaymentArrangement",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of share options granted in share-based payment arrangement",
        "terseLabel": "Option granted"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of share options granted in a share-based payment arrangement."
       }
      }
     },
     "auth_ref": [
      "r121",
      "r258"
     ]
    },
    "ifrs-full_NumberOfSharesIssuedAndFullyPaid": {
     "xbrltype": "sharesItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfSharesIssuedAndFullyPaid",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of shares issued and fully paid",
        "terseLabel": "Number of shares issued"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of shares issued by the entity, for which full payment has been received."
       }
      }
     },
     "auth_ref": [
      "r203",
      "r285",
      "r318"
     ]
    },
    "nfgc_NumberOfSharesIssuedForAcquiringMineralLicenses": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NumberOfSharesIssuedForAcquiringMineralLicenses",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares issued for acquiring mineral licenses.",
        "label": "Number Of Shares Issued For Acquiring Mineral Licenses",
        "terseLabel": "Number of shares issued for acquiring mineral licenses"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NumberOfSharesIssuedForAcquisitionOfMineralClaims": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NumberOfSharesIssuedForAcquisitionOfMineralClaims",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMineralClaimsFromExploitsDiscoveryCorpDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares issued for acquisition of mineral claims.",
        "label": "Number Of Shares Issued For Acquisition Of Mineral Claims",
        "terseLabel": "Shares issued for acquisition of mineral claims"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NumberOfSharesIssuedForDebtSettlement": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NumberOfSharesIssuedForDebtSettlement",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpShareForDebtSettlementDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares issued for debt settlement.",
        "label": "Number Of Shares Issued For Debt Settlement",
        "terseLabel": "Settlement agreement, Share issued"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NumberOfSharesIssuedInProspectusOffering": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NumberOfSharesIssuedInProspectusOffering",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares issued in prospectus offering.",
        "label": "Number of Shares Issued in Prospectus Offering",
        "terseLabel": "Issued in prospectus offering (in shares)"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NumberOfSharesIssuedUponAcquisitionOfAssets": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NumberOfSharesIssuedUponAcquisitionOfAssets",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares issued upon acquisition of assets.",
        "label": "Number Of Shares Issued Upon Acquisition Of Assets",
        "terseLabel": "Acquisition of Exploits property claims (in shares)",
        "verboseLabel": "Number of shares issued upon acquisition of assets"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NumberOfSharesOfAcquireeHeldByAcquirerImmediatelyBeforeAcquisitionDate": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NumberOfSharesOfAcquireeHeldByAcquirerImmediatelyBeforeAcquisitionDate",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares of acquiree held by acquirer immediately prior to the acquisition date.",
        "label": "Number Of Shares Of Acquiree Held By Acquirer Immediately Before Acquisition Date",
        "terseLabel": "Number of shares held by acquiree prior to acquisition date"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_NumberOfSharesOutstanding": {
     "xbrltype": "sharesItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfSharesOutstanding",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of shares outstanding",
        "periodEndLabel": "Balance at ending (in shares)",
        "periodStartLabel": "Balance at beginning (in shares)"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares]"
       }
      }
     },
     "auth_ref": [
      "r204",
      "r286",
      "r319"
     ]
    },
    "nfgc_NumberOfSharesUnderClaim": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NumberOfSharesUnderClaim",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSettlementOfLegalClaimDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares under the claim.",
        "label": "Number of Shares Under Claim",
        "terseLabel": "Number of shares under claim"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NumberOfStirredMediaDetritorMillsInstalled": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NumberOfStirredMediaDetritorMillsInstalled",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of stirred media detritor grinding mills installed as part of a regrind circuit upgrade to improve grind size and metallurgical recovery at the processing plant.",
        "label": "Number Of Stirred Media Detritor Mills Installed",
        "terseLabel": "Number of stirred media detritor grinding mills installed"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NumberOfWarrantOrRightHeld": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NumberOfWarrantOrRightHeld",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsWarrantsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the quantity of warrants held.",
        "label": "Number of Warrant or Right Held",
        "terseLabel": "Warrants held, Quantity"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NumberOfWarrantsExercised": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NumberOfWarrantsExercised",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of warrants exercised during the current period.",
        "label": "Number of Warrants Exercised",
        "terseLabel": "Warrants exercised (in shares)"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_NumberOfWarrantsReceived": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "NumberOfWarrantsReceived",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of warrants received.",
        "label": "Number of Warrants Received",
        "terseLabel": "Number of warrants received"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OfficeEquipmentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OfficeEquipmentMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Office Furniture and Equipment",
        "terseLabel": "Office furniture and equipment"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a class of property, plant and equipment representing equipment used to support office functions, not specifically used in the production process. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r331"
     ]
    },
    "nfgc_OneMajorCustomerMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "OneMajorCustomerMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRevenueDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for one major customer.",
        "label": "One Major Customer [Member]",
        "terseLabel": "One major customer"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_Ontario1313366IncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "Ontario1313366IncMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSettlementOfLegalClaimDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for 1313366 Ontario Inc.",
        "label": "131",
        "terseLabel": "131"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OperatingExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OperatingExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss": {
       "parentTag": "ifrs-full_CostOfSales",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operating expense",
        "terseLabel": "Operating expenses",
        "totalLabel": "Total operating expense"
       }
      }
     },
     "auth_ref": [
      "r431"
     ]
    },
    "nfgc_OperatingExpenseExcludingChangesInInventories": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "OperatingExpenseExcludingChangesInInventories",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails": {
       "parentTag": "ifrs-full_OperatingExpense",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of operating expenses excluding changes in inventories.",
        "label": "Operating Expense Excluding Changes in Inventories",
        "totalLabel": "Operating expense excluding changes in inventories"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_OperatingExpensesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "OperatingExpensesLineItems",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails"
     ],
     "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": "Operating Expenses [Line Items]",
        "terseLabel": "OPERATING EXPENSES"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_OperatingExpensesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "OperatingExpensesTable",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule disclosing information related to operating expenses.",
        "label": "Operating Expenses [table]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OperatingSegmentsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OperatingSegmentsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operating segments [member]",
        "terseLabel": "Operating segment"
       }
      }
     },
     "auth_ref": [
      "r181"
     ]
    },
    "ifrs-full_OtherCurrentLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherCurrentLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0,
       "order": 2.0
      },
      "http://www.newfoundgold.ca/role/DisclosureOtherCurrentLiabilitiesDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOtherCurrentLiabilitiesDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other current liabilities.",
        "terseLabel": "Other current liabilities",
        "totalLabel": "Other current liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current liabilities that the entity does not separately disclose in the same statement or note. [Refer: Current liabilities]"
       }
      }
     },
     "auth_ref": [
      "r427"
     ]
    },
    "nfgc_OtherCurrentLiabilitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "OtherCurrentLiabilitiesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "n/a",
        "label": "OTHER CURRENT LIABILITIES"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OtherCurrentReceivables": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherCurrentReceivables",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureReceivablesDetails": {
       "parentTag": "ifrs-full_TradeAndOtherCurrentReceivables",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReceivablesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other current receivables",
        "terseLabel": "Other"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current other receivables. [Refer: Other receivables]"
       }
      }
     },
     "auth_ref": [
      "r377",
      "r385"
     ]
    },
    "ifrs-full_OtherExpenseByFunction": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherExpenseByFunction",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss": {
       "parentTag": "nfgc_IfrsOtherNonoperatingIncomeExpense",
       "weight": -1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other expense, by function",
        "negatedLabel": "Other income (expenses)"
       }
      }
     },
     "auth_ref": [
      "r35",
      "r329",
      "r381"
     ]
    },
    "ifrs-full_OtherFeeAndCommissionExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherFeeAndCommissionExpense",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other fee and commission expense",
        "terseLabel": "Aggregate commission"
       }
      }
     },
     "auth_ref": [
      "r425"
     ]
    },
    "ifrs-full_OtherGainsLosses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherGainsLosses",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureOtherIncomeExpensesDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOtherIncomeExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other gains (losses)",
        "totalLabel": "Other losses"
       }
      }
     },
     "auth_ref": [
      "r421",
      "r422"
     ]
    },
    "ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other inflows (outflows) of cash, classified as investing activities",
        "terseLabel": "Other assets"
       }
      },
      "en": {
       "role": {
        "documentation": "Inflows (outflows) of cash, classified as investing activities, that the entity does not separately disclose in the same statement or note."
       }
      }
     },
     "auth_ref": [
      "r69"
     ]
    },
    "nfgc_OtherMiscellaneousGainLosses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "OtherMiscellaneousGainLosses",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureOtherIncomeExpensesDetails": {
       "parentTag": "ifrs-full_OtherGainsLosses",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOtherIncomeExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of other miscellaneous gain (losses).",
        "label": "Other Miscellaneous Gain (Losses)",
        "terseLabel": "Others"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OtherNoncurrentFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherNoncurrentFinancialAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other non-current financial assets",
        "terseLabel": "Other assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of non-current financial assets that the entity does not separately disclose in the same statement or note. [Refer: Other financial assets]"
       }
      }
     },
     "auth_ref": [
      "r304"
     ]
    },
    "nfgc_OtherProjectInNewFoundLandMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "OtherProjectInNewFoundLandMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsExplorationAndEvaluationExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for other project in Newfoundland.",
        "label": "Other [Member]",
        "verboseLabel": "Other"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OtherReserves": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherReserves",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_Equity",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other reserves",
        "terseLabel": "Reserves"
       }
      },
      "en": {
       "role": {
        "documentation": "A component of equity representing reserves within equity, not including retained earnings. [Refer: Retained earnings]"
       }
      }
     },
     "auth_ref": [
      "r379",
      "r387"
     ]
    },
    "ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesDetails": {
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other tax effects for reconciliation between accounting profit and tax expense (income)",
        "terseLabel": "Other non-deductible differences"
       }
      },
      "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]"
       }
      }
     },
     "auth_ref": [
      "r3",
      "r216"
     ]
    },
    "ifrs-full_OutstandingCommitmentsMadeByEntityRelatedPartyTransactions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OutstandingCommitmentsMadeByEntityRelatedPartyTransactions",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Outstanding commitments made by entity, related party transactions",
        "verboseLabel": "Contractual commitments with related parties"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of outstanding commitments made by the entity in related party transactions. [Refer: Total for all related parties [member]]"
       }
      }
     },
     "auth_ref": [
      "r31",
      "r232"
     ]
    },
    "nfgc_PalisadesGoldcorpLtd.Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PalisadesGoldcorpLtd.Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSettlementOfLegalClaimDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "It represents the Palisades Goldcorp Ltd.",
        "label": "Palisades",
        "terseLabel": "Palisades"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_PartXii.6TaxAndPenalties": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PartXii.6TaxAndPenalties",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of tax and penalties under Part XII.6 (look-back rule).",
        "label": "Part XII.6 Tax and Penalties",
        "terseLabel": "Part XII.6 tax"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_PartXii6TaxExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PartXii6TaxExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureOtherIncomeExpensesDetails": {
       "parentTag": "ifrs-full_OtherGainsLosses",
       "weight": -1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOtherIncomeExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the amount of tax expense recognized under Part XII.6 of the applicable tax legislation.",
        "label": "Part XII6 Tax Expense",
        "negatedLabel": "Part XII.6 tax"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_PaulHuetMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PaulHuetMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Paul Huet.",
        "label": "Paul Huet [Member]",
        "terseLabel": "Paul Huet"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_PaymentForShareIssuanceCostsToUnderwriters": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PaymentForShareIssuanceCostsToUnderwriters",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash outflow for share issue costs to underwriters.",
        "label": "Payment For Share Issuance Costs to Underwriters",
        "terseLabel": "Payment for share issuance costs to underwriters"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_PaymentsForRoyaltyPurchases": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PaymentsForRoyaltyPurchases",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash outflow for royalty purchases.",
        "label": "Payments for Royalty Purchases",
        "terseLabel": "Aggregate cash consideration"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_PaymentsForShareIssueCosts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PaymentsForShareIssueCosts",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Payments for share issue costs",
        "negatedLabel": "Share issue costs",
        "terseLabel": "Share issuance costs paid"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for share issue costs."
       }
      }
     },
     "auth_ref": [
      "r412"
     ]
    },
    "nfgc_PaymentsOfLeaseLiabilitiesPrincipalClassifiedAsFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PaymentsOfLeaseLiabilitiesPrincipalClassifiedAsFinancingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": -1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash outflow for payment of lease liabilities, principal portion, classified as financing activities.",
        "label": "Payments of Lease Liabilities, Principal, Classified as Financing Activities",
        "negatedLabel": "Lease principal payments"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_PaymentsOfNetSmelterReturnRoyaltiesToOptionors": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PaymentsOfNetSmelterReturnRoyaltiesToOptionors",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the payments of net smelter return royalties to the optionors.",
        "label": "Payments of Net Smelter Return Royalties to the Optionors",
        "terseLabel": "Payments of net smelter return royalties to the optionors"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_PaymentsRelatingToRoyaltiesFeesAndCommissions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PaymentsRelatingToRoyaltiesFeesAndCommissions",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Payments relating to royalties, fees and commissions",
        "terseLabel": "Professional fees"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow from royalties, fees and commissions."
       }
      }
     },
     "auth_ref": [
      "r410"
     ]
    },
    "nfgc_PercentageOfAnnualNetCashFlowFromProject": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PercentageOfAnnualNetCashFlowFromProject",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpRoyaltyArrangementDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of annual net cash flow from project.",
        "label": "Percentage Of Annual Net Cash Flow From Project",
        "terseLabel": "Percentage of annual net cash flow from the project, used for funding royalty payment"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_PercentageOfDecreasedNetSmelterReturnRoyaltiesOnMeetingAggregateLimit": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PercentageOfDecreasedNetSmelterReturnRoyaltiesOnMeetingAggregateLimit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the decreased percentage of net smelter return (\"NSR\") royalties, on meeting the aggregate limit.",
        "label": "Percentage Of Decreased Net Smelter Return Royalties, On Meeting Aggregate Limit",
        "terseLabel": "Decreasing to the aggregate limit (in percent)"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_PercentageOfEntitysRevenue": {
     "xbrltype": "percentItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PercentageOfEntitysRevenue",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRevenueDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Percentage of entity's revenue",
        "terseLabel": "Percentage of entity revenue"
       }
      }
     },
     "auth_ref": [
      "r419"
     ]
    },
    "nfgc_PercentageOfInterestInMineralClaimsPurchased": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PercentageOfInterestInMineralClaimsPurchased",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMineralClaimsFromExploitsDiscoveryCorpDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of interest in mineral claims.",
        "label": "Percentage Of Interest In Mineral Claims Purchased",
        "terseLabel": "Percentage of interest in mineral claims"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_PercentageOfInterestInMineralLicenses": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PercentageOfInterestInMineralLicenses",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the percentage of interest in mineral licenses.",
        "label": "Percentage of Interest in Mineral Licenses",
        "terseLabel": "Percentage of interest in mineral licenses"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_PercentageOfMaximumNumberOfEligibleSharesInAggregate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PercentageOfMaximumNumberOfEligibleSharesInAggregate",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionCompensationPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the percentage of maximum number of eligible shares in aggregate.",
        "label": "Percentage Of Maximum Number Of Eligible Shares In Aggregate",
        "terseLabel": "Percentage of maximum number of eligible shares in aggregate"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_PercentageOfMaximumNumberOfEligibleSharesInWithRespectToAnyOneOptionee": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PercentageOfMaximumNumberOfEligibleSharesInWithRespectToAnyOneOptionee",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionCompensationPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the percentage of maximum number of eligible shares in with respect to any one optionee",
        "label": "Percentage Of Maximum Number Of Eligible Shares In With Respect To Any One Optionee",
        "verboseLabel": "Percentage of maximum number of eligible shares in with respect to any one optionee"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_PercentageOfNetSmelterReturnRoyalties": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PercentageOfNetSmelterReturnRoyalties",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMineralClaimsFromExploitsDiscoveryCorpDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the percentage of net smelter return (\"NSR\") royalties.",
        "label": "Percentage of Net Smelter Return Royalties",
        "terseLabel": "Net smelter return (\"NSR\") royalties (as a percent)"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_PercentageOfNetSmelterReturnRoyaltiesPayableOnCommercialProduction": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PercentageOfNetSmelterReturnRoyaltiesPayableOnCommercialProduction",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfKingswayProjectDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The percentage of net smelter return royalties payable to the royalty holders upon commencement of commercial production.",
        "label": "Percentage of Net Smelter Return Royalties Payable on Commercial Production",
        "terseLabel": "Royalties payable on commercial production percentage"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_PercentageOfOwnershipInterestHeld": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PercentageOfOwnershipInterestHeld",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of ownership interest held.",
        "label": "Percentage Of Ownership Interest Held",
        "terseLabel": "Percentage of ownership interest held"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_PercentageOfReasonablyPossibleDecreaseInRiskAssumption": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PercentageOfReasonablyPossibleDecreaseInRiskAssumption",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsMarketRiskDetails"
     ],
     "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": "Decrease in market price (in percent)"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_PercentageOfReasonablyPossibleIncreaseInRiskAssumption": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PercentageOfReasonablyPossibleIncreaseInRiskAssumption",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsMarketRiskDetails"
     ],
     "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",
        "verboseLabel": "Increase in market price (in percent)"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_PercentageOfRemainingNetSmelterReturnsRoyalty": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PercentageOfRemainingNetSmelterReturnsRoyalty",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The percentage of remaining net smelter returns royalty.",
        "label": "Percentage of Remaining Net Smelter returns Royalty",
        "terseLabel": "Remaining net smelter returns royalty (in percent)"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_PercentageOfRoyaltyInterestPurchasedFromVendorsInAggregate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PercentageOfRoyaltyInterestPurchasedFromVendorsInAggregate",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The percentage of royalty interests purchased from vendors in aggregate.",
        "label": "Percentage of Royalty Interest Purchased from Vendors in Aggregate",
        "terseLabel": "Royalty interests purchased from vendors in aggregate (in percent)"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_PercentageOfTotalCostOfNsrRoyalty": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PercentageOfTotalCostOfNsrRoyalty",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the percentage of total cost of NSR royalty.",
        "label": "Percentage of total cost of NSR royalty",
        "terseLabel": "Percentage of NSR royalty"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_PersonnelConsultingAndOverheadsCumulativeExplorationExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PersonnelConsultingAndOverheadsCumulativeExplorationExpense",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsExplorationAndEvaluationExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of increase in cumulative exploration expense due to personnel, consulting and overhead expenses.",
        "label": "Personnel, Consulting And Overheads, Cumulative Exploration Expense",
        "terseLabel": "Personnel, consulting and overheads"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_PjhConsultingLlcMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PjhConsultingLlcMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for PJH Consulting, LLC.",
        "label": "PJH Consulting, LLC [Member]",
        "terseLabel": "PJH Consulting, LLC"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_PointRousseProjectMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PointRousseProjectMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Point Rousse project.",
        "label": "Point Rousse Project [Member]",
        "terseLabel": "Point Rousse project"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_PremiumLiabilityAmountsIncurredDueToIssuanceOfFlowThroughShares": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PremiumLiabilityAmountsIncurredDueToIssuanceOfFlowThroughShares",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the liability premium incurred on the issuance of flow-through shares.",
        "label": "Premium Liability Amounts Incurred Due To Issuance Of Flow-Through Shares",
        "terseLabel": "Liability incurred on flow-through shares issued"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_PrepaidExpensesAndDepositsRecognizedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PrepaidExpensesAndDepositsRecognizedAsOfAcquisitionDate",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails": {
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount recognized as of the acquisition date for prepaid expenses and deposits acquired in a business combination.",
        "label": "Prepaid Expenses And Deposits Recognized As Of Acquisition Date",
        "terseLabel": "Prepaids and deposits"
       }
      }
     },
     "auth_ref": []
    },
    "srt_PresidentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "PresidentMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "President"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ProceedsFromExerciseOfOptions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProceedsFromExerciseOfOptions",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds from exercise of options",
        "terseLabel": "Stock options exercised",
        "verboseLabel": "Gross proceeds from stock options exercised"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from the exercise of options."
       }
      }
     },
     "auth_ref": [
      "r412"
     ]
    },
    "ifrs-full_ProceedsFromExerciseOfWarrants": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProceedsFromExerciseOfWarrants",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds from exercise of warrants",
        "terseLabel": "Warrants exercised"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from the exercise of share purchase warrants."
       }
      }
     },
     "auth_ref": [
      "r412"
     ]
    },
    "nfgc_ProceedsFromExerciseOfWarrants2": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ProceedsFromExerciseOfWarrants2",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWarrantsActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash inflow from the warrants.",
        "label": "Proceeds From The Exercise Of Warrants2",
        "verboseLabel": "Gross proceeds on exercise of warrants"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ProceedsFromIssueOfOrdinaryShares": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProceedsFromIssueOfOrdinaryShares",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds from issue of ordinary shares",
        "terseLabel": "Proceeds from issuance of common shares",
        "verboseLabel": "Gross proceeds from issuance of shares"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from the issuing of ordinary shares. [Refer: Ordinary shares [member]]"
       }
      }
     },
     "auth_ref": [
      "r412"
     ]
    },
    "ifrs-full_ProceedsFromIssuingShares": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProceedsFromIssuingShares",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds from issuing shares",
        "terseLabel": "Net proceeds"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from issuing shares."
       }
      }
     },
     "auth_ref": [
      "r341"
     ]
    },
    "ifrs-full_ProceedsFromSalesOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProceedsFromSalesOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsAnalysisOfInvestmentsIncludingRelatedGainsAndLossesDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds from sales of investments other than investments accounted for using equity method",
        "negatedLabel": "Disposal of investments",
        "terseLabel": "Proceeds on disposal of investments"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from sales of investments other than investments accounted for using the equity method. [Refer: Investments accounted for using equity method; Investments other than investments accounted for using equity method]"
       }
      }
     },
     "auth_ref": [
      "r411"
     ]
    },
    "ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesDetails",
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesMovementInCompanySSecuredNotesDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds from sales or maturity of financial instruments, classified as investing activities",
        "terseLabel": "Proceeds from sale of secured notes",
        "verboseLabel": "Proceeds of disposal"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from sales or maturity of financial instruments, classified as investing activities. [Refer: Classes of financial instruments [domain]]"
       }
      }
     },
     "auth_ref": [
      "r411"
     ]
    },
    "ifrs-full_ProfessionalFeesExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProfessionalFeesExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureGeneralAndAdministrativeExpensesDetails": {
       "parentTag": "ifrs-full_GeneralAndAdministrativeExpense",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureGeneralAndAdministrativeExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Professional fees expense",
        "terseLabel": "Professional fees"
       }
      }
     },
     "auth_ref": [
      "r425"
     ]
    },
    "ifrs-full_ProfitLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProfitLoss",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureBasicAndDilutedLossPerShareDetails",
      "http://www.newfoundgold.ca/role/DisclosureNatureOfOperationsAndGoingConcernDetails",
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Profit (loss)",
        "negatedLabel": "Loss for the year",
        "terseLabel": "Loss for the year",
        "totalLabel": "Net loss and comprehensive loss for the year",
        "verboseLabel": "Loss and comprehensive loss for the year"
       }
      },
      "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]"
       }
      }
     },
     "auth_ref": [
      "r80",
      "r82",
      "r174",
      "r177",
      "r237",
      "r256",
      "r295",
      "r322",
      "r345",
      "r351"
     ]
    },
    "ifrs-full_ProfitLossBeforeTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProfitLossBeforeTax",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss": {
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Profit (loss) before tax",
        "terseLabel": "Segment net loss",
        "totalLabel": "Loss before income and mining taxes"
       }
      }
     },
     "auth_ref": [
      "r146",
      "r369",
      "r370",
      "r380",
      "r381"
     ]
    },
    "ifrs-full_ProfitLossFromOperatingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProfitLossFromOperatingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss": {
       "parentTag": "ifrs-full_ProfitLossBeforeTax",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Profit (loss) from operating activities",
        "totalLabel": "Loss from operations"
       }
      }
     },
     "auth_ref": [
      "r336",
      "r431"
     ]
    },
    "nfgc_PropertyHoldingAndOtherCostsCumulativeExplorationExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PropertyHoldingAndOtherCostsCumulativeExplorationExpense",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsExplorationAndEvaluationExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of increase in cumulative exploration expense due to property holding and other costs.",
        "label": "Property Holding And Other Costs, Cumulative Exploration Expense",
        "terseLabel": "Property holding and other costs"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_PropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PropertyPlantAndEquipment",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfKingswayProjectDetails",
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Property, plant and equipment.",
        "periodEndLabel": "Balance at the end of the year",
        "periodStartLabel": "Balance at the beginning of the year",
        "terseLabel": "Property, plant and equipment"
       }
      },
      "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. Note that right-of-use assets are not included. [Contrast: Property, plant and equipment including right-of-use assets]"
       }
      }
     },
     "auth_ref": [
      "r15",
      "r227",
      "r302"
     ]
    },
    "ifrs-full_PropertyPlantAndEquipmentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PropertyPlantAndEquipmentMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfComponentsOfDeferredIncomeTaxAssetsAndLiabilitiesDetails",
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfDeductibleTemporaryDifferencesUnusedTaxLossesAndUnusedTaxCreditsDetails",
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Property, plant and equipment [member]",
        "terseLabel": "Property, plant and equipment"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for property, plant and equipment. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r16",
      "r228",
      "r337",
      "r350",
      "r372",
      "r374"
     ]
    },
    "ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails": {
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Property, plant and equipment recognised as of acquisition date",
        "terseLabel": "Property and equipment (Note 10)"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for plant, property and equipment acquired in a business combination. [Refer: Property, plant and equipment; Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r354",
      "r356",
      "r375"
     ]
    },
    "nfgc_ProspectusSupplementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ProspectusSupplementMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Prospectus Supplement [Member]",
        "label": "Prospectus Supplement [Member]",
        "terseLabel": "Prospectus supplement"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCosts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProvisionForDecommissioningRestorationAndRehabilitationCosts",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsMovementDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Provision for decommissioning, restoration and rehabilitation costs",
        "periodEndLabel": "Balance, end of year",
        "periodStartLabel": "Balance, beginning of year"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of provision for costs related to decommissioning, restoration and rehabilitation. [Refer: Other provisions]"
       }
      }
     },
     "auth_ref": [
      "r338",
      "r339"
     ]
    },
    "nfgc_ProvisionForDecommissioningRestorationAndRehabilitationCostsLongTermInflationRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ProvisionForDecommissioningRestorationAndRehabilitationCostsLongTermInflationRate",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the long-term inflation rate for provision relating to decommissioning, restoration and rehabilitation costs.",
        "label": "Provision For Decommissioning, Restoration And Rehabilitation Costs, Long-term Inflation Rate",
        "terseLabel": "Long-term inflation rate"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ProvisionForDecommissioningRestorationAndRehabilitationCostsRiskFreeDiscountRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ProvisionForDecommissioningRestorationAndRehabilitationCostsRiskFreeDiscountRate",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the risk-free discount rate for provision relating to decommissioning, restoration and rehabilitation costs.",
        "label": "Provision For Decommissioning, Restoration And Rehabilitation Costs, Risk Free Discount Rate",
        "terseLabel": "Risk-free discount rate"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ProvisionForDecommissioningRestorationAndRehabilitationCostsUndiscountedCashFlows": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ProvisionForDecommissioningRestorationAndRehabilitationCostsUndiscountedCashFlows",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsScheduleOfMaturityProfileOfFinancialLiabilitiesDetails": {
       "parentTag": "ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsScheduleOfMaturityProfileOfFinancialLiabilitiesDetails",
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of contractual undiscounted cashflows in relation to provision for costs related to decommissioning, restoration and rehabilitation.",
        "label": "Provision For Decommissioning, Restoration And Rehabilitation Costs, Undiscounted Cash Flows",
        "terseLabel": "Reclamation and closure cost provisions",
        "verboseLabel": "Non-current portion of reclamation and closure cost provisions"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ProvisionUsedOtherProvisions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProvisionUsedOtherProvisions",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsMovementDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Provision used, other provisions",
        "negatedLabel": "Reclamation costs incurred"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount used (ie incurred and charged against the provision) for other provisions. [Refer: Other provisions]"
       }
      }
     },
     "auth_ref": [
      "r56",
      "r245"
     ]
    },
    "nfgc_ProvisionsForDecommissioningReclamationAndRehabilitationRecognizedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ProvisionsForDecommissioningReclamationAndRehabilitationRecognizedAsOfAcquisitionDate",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails": {
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": -1.0,
       "order": 12.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount recognized as of the acquisition date for provisions for decommissioning, reclamation and rehabilitation assumed in a business combination.",
        "label": "Provisions For Decommissioning, Reclamation And Rehabilitation Recognized As Of Acquisition Date",
        "negatedLabel": "Reclamation and closure cost provisions"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Purchase of property, plant and equipment, classified as investing activities",
        "negatedLabel": "Purchases of property, plant and equipment"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for the purchases of property, plant and equipment, classified as investing activities. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r340"
     ]
    },
    "nfgc_PurchaseOfRemainingNetSmeltRoyaltyFromVendorsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "PurchaseOfRemainingNetSmeltRoyaltyFromVendorsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the information pertaining to purchase of remaining net smelt royalty from vendors.",
        "label": "Purchase of Remaining Net Smelt Royalty from Vendors [Member]",
        "terseLabel": "Purchase of remaining net smelt royalty from vendors"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_QueenswayProjectInNewfoundlandMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "QueenswayProjectInNewfoundlandMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsExplorationAndEvaluationExpensesDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents of Queensway Project In Newfoundland.",
        "label": "Queensway [Member]",
        "terseLabel": "Queensway"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_RangeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RangeAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails",
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPropertyPlantAndEquipmentDetails",
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails",
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Range [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r74",
      "r100",
      "r112",
      "r128",
      "r210",
      "r347",
      "r348",
      "r418"
     ]
    },
    "ifrs-full_RangeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RangeDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails",
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPropertyPlantAndEquipmentDetails",
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails",
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Range [domain]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r74",
      "r100",
      "r112",
      "r128",
      "r210",
      "r347",
      "r348",
      "r418"
     ]
    },
    "ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RangesOfExercisePricesForOutstandingShareOptionsAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Ranges of exercise prices for outstanding share options [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r128"
     ]
    },
    "ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RangesOfExercisePricesForOutstandingShareOptionsDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Ranges of exercise prices for outstanding share options [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for aggregated ranges of exercise prices for outstanding share options that are meaningful for assessing the number and timing of additional shares that may be issued and the cash that may be received upon exercise of those options. It also represents the standard value for the 'Ranges of exercise prices for outstanding share options' axis if no other member is used. [Refer: Range [domain]]"
       }
      }
     },
     "auth_ref": [
      "r128"
     ]
    },
    "ifrs-full_RawMaterialsAndConsumablesUsed": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RawMaterialsAndConsumablesUsed",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails": {
       "parentTag": "nfgc_OperatingExpenseExcludingChangesInInventories",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Raw materials and consumables used",
        "terseLabel": "Raw materials and consumables"
       }
      }
     },
     "auth_ref": [
      "r329",
      "r380"
     ]
    },
    "nfgc_ReclamationAndClosureCostProvisionsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ReclamationAndClosureCostProvisionsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfComponentsOfDeferredIncomeTaxAssetsAndLiabilitiesDetails",
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfDeductibleTemporaryDifferencesUnusedTaxLossesAndUnusedTaxCreditsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for reclamation and closure cost provisions.",
        "label": "Reclamation And Closure Cost Provisions [Member]",
        "terseLabel": "Reclamation and closure cost provisions"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ReclamationProvisionsRelatingToExplorationAndEvaluationActivitiesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ReclamationProvisionsRelatingToExplorationAndEvaluationActivitiesMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for reclamation provisions relating to exploration and evaluation activities.",
        "label": "Reclamation Provisions Relating To Exploration And Evaluation Activities [Member]",
        "terseLabel": "Reclamation provisions relating to exploration and evaluation activities"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ReclamationProvisionsRelatingToMineralPropertiesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ReclamationProvisionsRelatingToMineralPropertiesMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for reclamation provisions relating to mineral properties.",
        "label": "Reclamation Provisions Relating To Mineral Properties [Member]",
        "terseLabel": "Reclamation provisions relating to mineral properties"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfMovementInNetDeferredIncomeTaxLiabilityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Reconciliation of changes in deferred tax liability (asset) [abstract]",
        "terseLabel": "Movements in the net deferred income tax liability"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ReconciliationOfChangesInOtherProvisionsAbstract",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsMovementDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Reconciliation of changes in other provisions [abstract]",
        "terseLabel": "Movement in reclamation and closure cost provisions"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Reconciliation of changes in property, plant and equipment [abstract]",
        "terseLabel": "Reconciliation of changes in property, plant and equipment"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_RecurringFairValueMeasurementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RecurringFairValueMeasurementMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsCompanySFinancialInstrumentsAccordingToFairValueHierarchyDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Recurring fair value measurement [member]",
        "terseLabel": "Recurring fair value measurement"
       }
      }
     },
     "auth_ref": [
      "r95",
      "r282"
     ]
    },
    "ifrs-full_RepairsAndMaintenanceExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RepairsAndMaintenanceExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails": {
       "parentTag": "nfgc_OperatingExpenseExcludingChangesInInventories",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Repairs and maintenance expense"
       }
      }
     },
     "auth_ref": [
      "r431"
     ]
    },
    "ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RepaymentsOfBorrowingsClassifiedAsFinancingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": -1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Repayments of borrowings, classified as financing activities",
        "negatedLabel": "Repayment of loans"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow to settle borrowings, classified as financing activities. [Refer: Borrowings]"
       }
      }
     },
     "auth_ref": [
      "r342"
     ]
    },
    "nfgc_ReplacementOptionsMeasurementInput": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ReplacementOptionsMeasurementInput",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Value of input used to measure the replacement options.",
        "label": "Replacement Options, Measurement Input",
        "terseLabel": "Replacement options, measurement input"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ReplacementWarrantsMeasurementInput": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ReplacementWarrantsMeasurementInput",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Value of input used to measure the replacement warrants.",
        "label": "Replacement Warrants, Measurement Input",
        "terseLabel": "Replacement warrants, measurement input"
       }
      }
     },
     "auth_ref": []
    },
    "srt_RepurchaseAgreementCounterpartyNameDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "RepurchaseAgreementCounterpartyNameDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSettlementOfLegalClaimDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Counterparty Name [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ReserveOfSharebasedPaymentsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ReserveOfSharebasedPaymentsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Reserves - Equity settled share-based payments [Member]",
        "terseLabel": "Reserves - Equity settled share-based payments"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a component of equity resulting from share-based payments."
       }
      }
     },
     "auth_ref": [
      "r382"
     ]
    },
    "nfgc_ReserveOfWarrantsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ReserveOfWarrantsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for a component of equity resulting from warrants.",
        "label": "Reserves - Warrants [Member]",
        "terseLabel": "Reserves - Warrants"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ReservesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ReservesMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfComponentsOfDeferredIncomeTaxAssetsAndLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for reserves.",
        "label": "Reserves [Member]",
        "terseLabel": "Reserves"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ResourcePaymentToRoyaltyHoldersPerOunceOfGold": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ResourcePaymentToRoyaltyHoldersPerOunceOfGold",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfKingswayProjectDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount payable per ounce of gold, to royalty holders within the property in the indicated mineral resource and measured mineral resource categories.",
        "label": "Resource Payment to Royalty Holders, Per Ounce of Gold",
        "terseLabel": "Resource payment to royalty holders"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_RestrictedShareUnitsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RestrictedShareUnitsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureBasicAndDilutedLossPerShareAdditionalInformationDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesRestrictedShareUnitsDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Restricted share units [member]",
        "terseLabel": "RSU's"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for restricted share units."
       }
      }
     },
     "auth_ref": [
      "r404"
     ]
    },
    "ifrs-full_RetainedEarnings": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RetainedEarnings",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_Equity",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureNatureOfOperationsAndGoingConcernDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Retained earnings",
        "negatedLabel": "Accumulated deficit",
        "terseLabel": "Deficit"
       }
      },
      "en": {
       "role": {
        "documentation": "A component of equity representing the entity's cumulative undistributed earnings or deficit."
       }
      }
     },
     "auth_ref": [
      "r379",
      "r387",
      "r388"
     ]
    },
    "ifrs-full_RetainedEarningsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RetainedEarningsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deficit [Member]",
        "terseLabel": "Deficit"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a component of equity representing an entity's cumulative undistributed earnings or deficit."
       }
      }
     },
     "auth_ref": [
      "r297",
      "r382"
     ]
    },
    "ifrs-full_Revenue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Revenue",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss": {
       "parentTag": "ifrs-full_GrossProfit",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Revenue.",
        "terseLabel": "Revenue"
       }
      }
     },
     "auth_ref": [
      "r88",
      "r146",
      "r171",
      "r176",
      "r182",
      "r183",
      "r185",
      "r324",
      "r345",
      "r380",
      "r381"
     ]
    },
    "ifrs-full_RevenueAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RevenueAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "REVENUE"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_RevenueFromContractsWithCustomers": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RevenueFromContractsWithCustomers",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureRevenueDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRevenueDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Revenue from contracts with customers",
        "totalLabel": "Total revenue"
       }
      }
     },
     "auth_ref": [
      "r101",
      "r102",
      "r190"
     ]
    },
    "ifrs-full_RevenueFromInterest": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RevenueFromInterest",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss": {
       "parentTag": "nfgc_IfrsOtherNonoperatingIncomeExpense",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest income",
        "terseLabel": "Interest income"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of income arising from interest."
       }
      }
     },
     "auth_ref": [
      "r90",
      "r172",
      "r180",
      "r425"
     ]
    },
    "ifrs-full_RevenueFromSaleOfGold": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RevenueFromSaleOfGold",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureRevenueDetails": {
       "parentTag": "ifrs-full_RevenueFromContractsWithCustomers",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRevenueDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Revenue from sale of gold",
        "terseLabel": "Gold"
       }
      }
     },
     "auth_ref": [
      "r425"
     ]
    },
    "ifrs-full_RevenueFromSaleOfSilver": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RevenueFromSaleOfSilver",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureRevenueDetails": {
       "parentTag": "ifrs-full_RevenueFromContractsWithCustomers",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRevenueDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Revenue from sale of silver",
        "terseLabel": "Silver"
       }
      }
     },
     "auth_ref": [
      "r425"
     ]
    },
    "ifrs-full_RevenueOfAcquiree": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RevenueOfAcquiree",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Revenue of acquiree since acquisition date",
        "terseLabel": "Proforma revenue since acquisition date"
       }
      }
     },
     "auth_ref": [
      "r139"
     ]
    },
    "ifrs-full_RevenueOfCombinedEntity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RevenueOfCombinedEntity",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Revenue of combined entity as if combination occurred at beginning of period",
        "terseLabel": "Proforma revenue of combined entity"
       }
      }
     },
     "auth_ref": [
      "r140"
     ]
    },
    "ifrs-full_ReversalOfImpairmentLossRecognisedInProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ReversalOfImpairmentLossRecognisedInProfitOrLoss",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsKirklandLakeDiscoveriesCorpMovementInInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Reversal of impairment loss recognised in profit or loss",
        "terseLabel": "Reversal of impairment loss"
       }
      }
     },
     "auth_ref": [
      "r47",
      "r50",
      "r240"
     ]
    },
    "nfgc_ReversalOfUnrealizedGainLossUponExpirationOfUnexercisedWarrants": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ReversalOfUnrealizedGainLossUponExpirationOfUnexercisedWarrants",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsWarrantsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of decrease due to reversal to previously recognized unrealized gain (loss) upon expiration of unexercised warrants.",
        "label": "Reversal Of Unrealized Gain (Loss) Upon Expiration Of Unexercised Warrants",
        "terseLabel": "Reversal of unrealized gains"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_RightOfUseAssetRecognizedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "RightOfUseAssetRecognizedAsOfAcquisitionDate",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount recognized as of the acquisition date for right of use assets acquired in a business combination.",
        "label": "Right Of Use Asset Recognized As Of Acquisition Date",
        "terseLabel": "ROU assets"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_RobertAssabguiMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "RobertAssabguiMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Robert Assabgui.",
        "label": "Robert Assabgui [Member]",
        "terseLabel": "Robert Assabgui"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_RonHamptonMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "RonHamptonMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Ron Hampton.",
        "label": "Ron Hampton [Member]",
        "terseLabel": "Ron Hampton"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_RonaldHamptonMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "RonaldHamptonMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Ronald Hampton.",
        "label": "Ronald Hampton [Member]",
        "terseLabel": "Ronald Hampton"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_RoyaltyArrangementAnnualRoyaltyPaymentsReceivableAsPercentageOfNetCashFlowFromOperations": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "RoyaltyArrangementAnnualRoyaltyPaymentsReceivableAsPercentageOfNetCashFlowFromOperations",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpRoyaltyArrangementDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of net cash flow from project receivable as annual royalty payments under royalty arrangement.",
        "label": "Royalty Arrangement, Annual Royalty Payments Receivable As Percentage Of Net Cash Flow From Operations",
        "terseLabel": "Percentage of annual royalty payments"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_RoyaltyArrangementRoyaltyPaymentsCappedAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "RoyaltyArrangementRoyaltyPaymentsCappedAmount",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpRoyaltyArrangementDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Maximum payment of royalty that can be received by the holders under the royalty arrangement.",
        "label": "Royalty Arrangement, Royalty Payments, Capped, Amount",
        "terseLabel": "Royalty payments cap"
       }
      }
     },
     "auth_ref": []
    },
    "srt_ScenarioUnspecifiedDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "ScenarioUnspecifiedDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Scenario [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ScheduleOfAnalysisOfInvestmentsIncludingRelatedGainsAndLossesTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ScheduleOfAnalysisOfInvestmentsIncludingRelatedGainsAndLossesTableTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The tabular disclosure of analysis of investments including related gains and losses.",
        "label": "Schedule of Analysis of Investments Including Related Gains and Losses [Table Text Block]",
        "terseLabel": "Summary of analysis of investments including related gains and losses"
       }
      }
     },
     "auth_ref": []
    },
    "srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsEquitiesDetails",
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsKirklandLakeDiscoveriesCorpMovementInInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investment, Name [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ScheduleOfEquitySecuritiesHeldTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ScheduleOfEquitySecuritiesHeldTableTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The tabular disclosure of equity securities held.",
        "label": "Schedule of Equity Securities Held [Table Text Block]",
        "terseLabel": "Summary of equities"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ScheduleOfExplorationAndEvaluationAssetsTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ScheduleOfExplorationAndEvaluationAssetsTableTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The tabular disclosure of carrying costs of acquisition costs and exploration expenditures incurred to date for each exploration and evaluation assets.",
        "label": "Schedule of Exploration and Evaluation Assets [Table Text Block]",
        "terseLabel": "Schedule of summary of the carrying costs of acquisition costs and exploration expenditures incurred to date for each exploration and evaluation asset"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ScheduleOfFlowThroughSharePremiumTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ScheduleOfFlowThroughSharePremiumTableTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The tabular disclosure of flow-through share premium.",
        "label": "Schedule of Flow Through Share Premium [Table Text Block]",
        "terseLabel": "Schedule of flow-through share premium"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ScheduleOfMovementsInSecuredNotesTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ScheduleOfMovementsInSecuredNotesTableTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of movements in secured notes.",
        "label": "Schedule of Movements in Secured Notes [Table Text Block]",
        "terseLabel": "Schedule of movement in the company's secured notes"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ScheduleOfTotalInvestmentsTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ScheduleOfTotalInvestmentsTableTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The tabular disclosure of investments.",
        "label": "Schedule of Total Investments [Table Text Block]",
        "terseLabel": "Summary of investments"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ScheduleOfUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ScheduleOfUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The disclosure of detailed information about financial instruments. [Refer: Classes of financial instruments [domain]]",
        "label": "Schedule Of Useful Lives Of Property Plant And Equipment [Table Text Block]",
        "terseLabel": "Schedule of useful lives of property plant and equipment"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ScheduleOfWarrantsTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ScheduleOfWarrantsTableTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The tabular disclosure of warrants.",
        "label": "Schedule of Warrants [Table Text Block]",
        "terseLabel": "Summary of warrants"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_SecuredNotesGainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "SecuredNotesGainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesMovementInCompanySSecuredNotesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of exchange differences recognized in profit or loss that arise from foreign currency transactions arising on financial instruments measured at fair value through profit or loss.",
        "label": "Secured Notes, Gains Losses On Exchange Differences On Translation Recognised In Profit Or Loss",
        "verboseLabel": "Foreign exchange gain (loss)"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_SecuredNotesInterestRateBasisSpreadOnVariableRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "SecuredNotesInterestRateBasisSpreadOnVariableRate",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Basis spread on variable interest Secured Overnight Financing Rate (\"SOFR\")  rate of secured notes.",
        "label": "Secured Notes, Interest Rate, Basis Spread on Variable Rate",
        "terseLabel": "Spread on interest at a rate equal to the Secured Overnight Financing Rate"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_SecuredNotesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "SecuredNotesMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsCompanySFinancialInstrumentsAccordingToFairValueHierarchyDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents information pertaining to secured notes.",
        "label": "Secured Notes [Member]",
        "terseLabel": "Secured notes"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_SecuredNotesTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "SecuredNotesTextBlock",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotes"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Entire disclosure of secured notes receivable.",
        "label": "Secured Notes [Text Block]",
        "terseLabel": "SECURED NOTES"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_SecuredNotesWarrantsCoveragePercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "SecuredNotesWarrantsCoveragePercentage",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the warrants coverage percentage in notes.",
        "label": "Secured Notes, Warrants Coverage Percentage",
        "terseLabel": "Warrants coverage percentage"
       }
      }
     },
     "auth_ref": []
    },
    "dei_Security12bTitle": {
     "xbrltype": "securityTitleItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "Security12bTitle",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Title of 12(b) Security",
        "documentation": "Title of a 12(b) registered security."
       }
      }
     },
     "auth_ref": [
      "r390"
     ]
    },
    "dei_SecurityExchangeName": {
     "xbrltype": "edgarExchangeCodeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "SecurityExchangeName",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Security Exchange Name",
        "documentation": "Name of the Exchange on which a security is registered."
       }
      }
     },
     "auth_ref": [
      "r392"
     ]
    },
    "ifrs-full_SegmentConsolidationItemsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SegmentConsolidationItemsAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Segment consolidation items [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r174"
     ]
    },
    "ifrs-full_SegmentConsolidationItemsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SegmentConsolidationItemsDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Segment consolidation items [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Segment consolidation items' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r181"
     ]
    },
    "ifrs-full_SegmentsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SegmentsAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Segments [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r51",
      "r103",
      "r174",
      "r191",
      "r333",
      "r353"
     ]
    },
    "ifrs-full_SegmentsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SegmentsDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSegmentReportingScheduleOfOperatingSegmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Segments [domain]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r51",
      "r103",
      "r181",
      "r191",
      "r333",
      "r353"
     ]
    },
    "ifrs-full_SellingExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SellingExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss": {
       "parentTag": "ifrs-full_CostOfSales",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Selling expense",
        "terseLabel": "Selling expenses"
       }
      }
     },
     "auth_ref": [
      "r425"
     ]
    },
    "ifrs-full_SellingGeneralAndAdministrativeExpenseAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SellingGeneralAndAdministrativeExpenseAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "GENERAL AND ADMINISTRATIVE EXPENSES"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_SeniorSecuredLoanFacilityAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "SeniorSecuredLoanFacilityAgreementMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for subsequent event relating to the Company's entry into a nonbinding term sheet for a senior secured loan facility agreement after the reporting period. This member is used to tag disclosures of financing arrangements that occur after the reporting date but do not adjust the amounts recognized in the financial statements.",
        "label": "Senior Secured Loan Facility Agreement [Member]",
        "terseLabel": "Senior secured loan facility agreement"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_SeniorSecuredLoanFacilityMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "SeniorSecuredLoanFacilityMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for senior secured loan facility (the \"Loan Facility\").",
        "label": "Senior Secured Loan Facility [Member]",
        "terseLabel": "Senior secured loan facility"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_SeniorSecuredLoanFacilityTrancheOneMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "SeniorSecuredLoanFacilityTrancheOneMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for tranche one senior secured loan facility (the \"Loan Facility\").",
        "label": "Senior Secured Loan Facility, Tranche One [Member]",
        "terseLabel": "Senior secured loan facility, Tranche one"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_SeniorSecuredLoanFacilityTrancheTwoMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "SeniorSecuredLoanFacilityTrancheTwoMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for tranche two senior secured loan facility (the \"Loan Facility\").",
        "label": "Senior Secured Loan Facility, Tranche Two [Member]",
        "terseLabel": "Senior secured loan facility, Tranche two"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ServicesReceivedRelatedPartyTransactions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ServicesReceivedRelatedPartyTransactions",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Services received, related party transactions",
        "terseLabel": "Amount of related party transactions"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of services received in related party transactions. [Refer: Total for all related parties [member]]"
       }
      }
     },
     "auth_ref": [
      "r335",
      "r373"
     ]
    },
    "nfgc_SettlementOfFlowThroughSharePremium": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "SettlementOfFlowThroughSharePremium",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss": {
       "parentTag": "nfgc_IfrsOtherNonoperatingIncomeExpense",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": -1.0,
       "order": 15.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfCashFlows",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of settlement of flow-through share premium.",
        "label": "Settlement Of Flow-Through Share Premium",
        "negatedLabel": "Settlement of flow-through share premium",
        "terseLabel": "Settlement of flow-through share premium"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_SettlementOfRestrictedStockUnitsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "SettlementOfRestrictedStockUnitsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesRestrictedShareUnitsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for the settlement of RSUs.",
        "label": "Settlement of Restricted Stock Units [Member]",
        "terseLabel": "Settlement of RSUs"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ShareArrangementsOfTaxDeductions": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ShareArrangementsOfTaxDeductions",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The represent of Share arrangements of tax deductions.",
        "label": "Share Arrangements Of Tax Deductions",
        "verboseLabel": "Tax deduction"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionHoldPeriod": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionHoldPeriod",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionCompensationPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Hold period of option granted, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Option, Hold Period",
        "terseLabel": "Hold period of option granted"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ShareIssueCostsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ShareIssueCostsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfComponentsOfDeferredIncomeTaxAssetsAndLiabilitiesDetails",
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfDeductibleTemporaryDifferencesUnusedTaxLossesAndUnusedTaxCreditsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for share issue costs.",
        "label": "Share Issue Costs [Member]",
        "terseLabel": "Share issue costs"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ShareIssueRelatedCost": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ShareIssueRelatedCost",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share issue related cost",
        "negatedLabel": "Share issue costs"
       }
      }
     },
     "auth_ref": [
      "r424"
     ]
    },
    "nfgc_ShareIssuedOnJune2025Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ShareIssuedOnJune2025Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents information pertaining to flow-through shares issued on June 2025.",
        "label": "Share Issued On June 2025 [Member]",
        "terseLabel": "Issued June 2025"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsKirklandLakeDiscoveriesCorpMovementInInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method",
        "terseLabel": "Share of loss of associate during the period"
       }
      }
     },
     "auth_ref": [
      "r92",
      "r281"
     ]
    },
    "ifrs-full_ShareOptionsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ShareOptionsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureBasicAndDilutedLossPerShareAdditionalInformationDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share options [member]",
        "terseLabel": "Share purchase options"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for share options."
       }
      }
     },
     "auth_ref": [
      "r404"
     ]
    },
    "ifrs-full_SharePremium": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SharePremium",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share premium",
        "terseLabel": "Share premium"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount received or receivable from the issuance of the entity's shares in excess of nominal value."
       }
      }
     },
     "auth_ref": [
      "r379",
      "r387"
     ]
    },
    "nfgc_SharesIssuableUnderSettlementAgreement": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "SharesIssuableUnderSettlementAgreement",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSettlementOfLegalClaimDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of shares issuable under the settlement agreement.",
        "label": "Shares Issuable under Settlement Agreement",
        "terseLabel": "Shares issuable under settlement agreement"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_SharesIssuedOnNovember2023Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "SharesIssuedOnNovember2023Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents information pertaining to flow-through shares issued on November, 2023.",
        "label": "Shares Issued On November, 2023 [Member]",
        "terseLabel": "Issued November 2023"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_SharesIssuedOrIssuableAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "SharesIssuedOrIssuableAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "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": "Shares Issued or Issuable [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_SharesIssuedOrIssuableDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "SharesIssuedOrIssuableDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for shares issued or issuable.",
        "label": "Shares Issued or Issuable [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ShorttermProvisionForDecommissioningRestorationAndRehabilitationCosts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ShorttermProvisionForDecommissioningRestorationAndRehabilitationCosts",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureOtherCurrentLiabilitiesDetails": {
       "parentTag": "ifrs-full_OtherCurrentLiabilities",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOtherCurrentLiabilitiesDetails",
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsMovementDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current provision for decommissioning, restoration and rehabilitation costs",
        "terseLabel": "Current portion of reclamation and closure cost provisions"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current provision for decommissioning, restoration and rehabilitation costs. [Refer: Provision for decommissioning, restoration and rehabilitation costs]"
       }
      }
     },
     "auth_ref": [
      "r338",
      "r339"
     ]
    },
    "ifrs-full_SignificantInvestmentsInAssociatesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SignificantInvestmentsInAssociatesAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsKirklandLakeDiscoveriesCorpMovementInInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Associates [axis]",
        "terseLabel": "Associates [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r37",
      "r39",
      "r93",
      "r278"
     ]
    },
    "ifrs-full_SignificantInvestmentsInAssociatesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SignificantInvestmentsInAssociatesDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsKirklandLakeDiscoveriesCorpMovementInInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Associates [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Associates' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r37",
      "r39",
      "r93",
      "r278"
     ]
    },
    "nfgc_SiteAdministrationExpenses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "SiteAdministrationExpenses",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails": {
       "parentTag": "nfgc_OperatingExpenseExcludingChangesInInventories",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureOperatingExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of site administration expenses.",
        "label": "Site Administration Expenses",
        "terseLabel": "Site administration"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_SpendForSatisfyRemainingFlowThroughObligations": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "SpendForSatisfyRemainingFlowThroughObligations",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsLiquidityRiskDetails",
      "http://www.newfoundgold.ca/role/DisclosureFlowThroughSharePremiumAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of spend for satisfy remaining flow through obligations.",
        "label": "Spend For Satisfy Remaining Flow Through Obligations",
        "terseLabel": "Spend for satisfy remaining flow-through obligations"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_SprucyPondPropertyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "SprucyPondPropertyMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Sprucy Pond property.",
        "label": "Sprucy Pond Property [Member]",
        "terseLabel": "Sprucy Pond Property"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_StatementOfCashFlowsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "StatementOfCashFlowsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Consolidated Statements of Cash Flows"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_StatementOfChangesInEquityAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "StatementOfChangesInEquityAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Consolidated Statements of Changes in Equity"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_StatementOfChangesInEquityLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "StatementOfChangesInEquityLineItems",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of changes in equity [line items]",
        "terseLabel": "Statements of Changes in Equity"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_StatementOfChangesInEquityTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "StatementOfChangesInEquityTable",
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of changes in equity [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to changes in equity."
       }
      }
     },
     "auth_ref": [
      "r297"
     ]
    },
    "ifrs-full_StatementOfFinancialPositionAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "StatementOfFinancialPositionAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Consolidated Statements of Financial Position"
       }
      }
     },
     "auth_ref": []
    },
    "srt_StatementScenarioAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "StatementScenarioAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Scenario [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_StirredMediaDetritorMillsPowerCapacity": {
     "xbrltype": "powerItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "StirredMediaDetritorMillsPowerCapacity",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosurePropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The installed power capacity of each stirred media detritor mill used in the regrind circuit, representing the motor power required for grinding operations.",
        "label": "Stirred Media Detritor Mills Power Capacity",
        "terseLabel": "Installed power capacity of each stirred media detritor mill"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_StockIssuedDuringPeriodFlowThroughShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "StockIssuedDuringPeriodFlowThroughShares",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares of stock issued during the period pursuant to flow-through issuance.",
        "label": "Stock Issued During Period, Flow-Through Shares",
        "terseLabel": "Stock issued during period, flow-through shares"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_StockIssuedDuringPeriodNonFlowThroughShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "StockIssuedDuringPeriodNonFlowThroughShares",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares of stock issued during the period pursuant to non-flow-through issuance.",
        "label": "Stock Issued During Period, Non-Flow-Through Shares",
        "terseLabel": "Stock issued during period, non-flow-through shares"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_StockIssuedDuringPeriodValueLegalClaimSettlementAgreement": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "StockIssuedDuringPeriodValueLegalClaimSettlementAgreement",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Equity impact of the value of new stock issued for legal claim settlement agreement during the period.",
        "label": "Stock Issued During Period, Value, Legal Claim Settlement Agreement",
        "terseLabel": "Stock Issued pursuant to a legal claim settlement agreement, Value"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_StogErTightPropertyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "StogErTightPropertyMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Stog'er Tight property.",
        "label": "Stog'er Tight Property [Member]",
        "terseLabel": "Stog'er Tight property"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_StrugglersPondAndElStratoPropertiesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "StrugglersPondAndElStratoPropertiesMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Strugglers Pond and El Strato properties.",
        "label": "Strugglers Pond and El Strato Properties [Member]",
        "terseLabel": "Strugglers Pond and El Strato properties"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_SuretyBondPercentageOfAnnualFee": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "SuretyBondPercentageOfAnnualFee",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the percentage of annual fee for surety bond.",
        "label": "Surety Bond, Percentage of Annual Fee",
        "terseLabel": "Percentage of bond fee"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_TamaraBrownMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "TamaraBrownMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Tamara Brown.",
        "label": "Tamara Brown [Member]",
        "terseLabel": "Tamara Brown"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_TaxEffectOfFlowThroughRenunciations": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "TaxEffectOfFlowThroughRenunciations",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesDetails": {
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesDetails"
     ],
     "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 flow-through renunciations.",
        "label": "Tax Effect of Flow-Through Renunciations",
        "terseLabel": "Flow-through renunciations"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_TaxEffectOfMiningTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "TaxEffectOfMiningTax",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesDetails": {
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesDetails"
     ],
     "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 mining tax.",
        "label": "Tax Effect Of Mining Tax",
        "terseLabel": "Mining tax"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_TaxEffectOfPreviouslyUnrecognizedTemporaryDifferences": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "TaxEffectOfPreviouslyUnrecognizedTemporaryDifferences",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesDetails": {
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesDetails"
     ],
     "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 previously unrecognized temporary differences.",
        "label": "Tax effect of Previously Unrecognized Temporary Differences",
        "terseLabel": "Current year tax benefit not recognized"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_TaxExpenseIncomeAtApplicableTaxRate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TaxExpenseIncomeAtApplicableTaxRate",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Tax expense (income) at applicable tax rate",
        "terseLabel": "Income tax (recovery) at statutory tax rate"
       }
      },
      "en": {
       "role": {
        "documentation": "The product of the accounting profit multiplied by the applicable tax rate(s). [Refer: Accounting profit; Applicable tax rate]"
       }
      }
     },
     "auth_ref": [
      "r3",
      "r216"
     ]
    },
    "nfgc_TechnicalStudiesAndResourceEvaluationCumulativeExplorationExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "TechnicalStudiesAndResourceEvaluationCumulativeExplorationExpense",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsExplorationAndEvaluationExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of increase in cumulative exploration expense due to technical studies and resource evaluation.",
        "label": "Technical Studies And Resource Evaluation, Cumulative Exploration Expense",
        "terseLabel": "Technical studies and resource evaluation"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_TemporaryDifferenceMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TemporaryDifferenceMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfComponentsOfDeferredIncomeTaxAssetsAndLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Temporary differences [member]",
        "terseLabel": "Temporary differences"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for differences between the carrying amount of an asset or liability in the statement of financial position and its tax base. Temporary differences may be either: (a) taxable temporary differences; or (b) deductible temporary differences. [Refer: Carrying amount [member]]"
       }
      }
     },
     "auth_ref": [
      "r8",
      "r221"
     ]
    },
    "ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfComponentsOfDeferredIncomeTaxAssetsAndLiabilitiesDetails",
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfDeductibleTemporaryDifferencesUnusedTaxLossesAndUnusedTaxCreditsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Temporary difference, unused tax losses and unused tax credits [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r8",
      "r221"
     ]
    },
    "ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfComponentsOfDeferredIncomeTaxAssetsAndLiabilitiesDetails",
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfDeductibleTemporaryDifferencesUnusedTaxLossesAndUnusedTaxCreditsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Temporary difference, unused tax losses and unused tax credits [domain]"
       }
      },
      "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]]"
       }
      }
     },
     "auth_ref": [
      "r8",
      "r221"
     ]
    },
    "nfgc_ThreedCapitalIncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ThreedCapitalIncMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSettlementOfLegalClaimDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for ThreeD Capital Inc.",
        "label": "Three D",
        "terseLabel": "Three D"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ThresholdAveragePriceOfGold": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ThresholdAveragePriceOfGold",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The threshold average price of gold used to calculate the net smelter return royalties.",
        "label": "Threshold Average Price of Gold",
        "terseLabel": "Average price of gold"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ThresholdExplorationExpenditureIncurredOnProperty": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ThresholdExplorationExpenditureIncurredOnProperty",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfKingswayProjectDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The threshold amount of exploration expenditure being incurred on property, beyond which the optionors would receive an expenditure target payment.",
        "label": "Threshold Exploration Expenditure Incurred on Property",
        "terseLabel": "Expenditure incurred on property"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ThresholdPercentageOfSharesReservedForFutureIssuanceOnTotalNumberOfIssuedShares": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ThresholdPercentageOfSharesReservedForFutureIssuanceOnTotalNumberOfIssuedShares",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionCompensationPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the threshold percentage of shares reserved for future issuance on total number of shares issued.",
        "label": "Threshold Percentage of Shares Reserved for Future Issuance on Total Number of Issued Shares",
        "terseLabel": "Percentage of total number of issued shares"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_ThresholdVolumeOfGoldToBeSoldForReducedNetSmelterReturnRoyalties": {
     "xbrltype": "massItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ThresholdVolumeOfGoldToBeSoldForReducedNetSmelterReturnRoyalties",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The threshold volume of gold to be sold, for a decreased NSR percentage.",
        "label": "Threshold Volume of Gold To Be Sold For Reduced Net Smelter Return Royalties",
        "terseLabel": "Volume of gold, decreasing aggregate limit"
       }
      }
     },
     "auth_ref": []
    },
    "srt_TitleOfIndividualAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "TitleOfIndividualAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesRestrictedShareUnitsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Title of Individual [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "srt_TitleOfIndividualWithRelationshipToEntityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "TitleOfIndividualWithRelationshipToEntityDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesRestrictedShareUnitsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Title of Individual [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_TopOfRangeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TopOfRangeMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails",
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails",
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPropertyPlantAndEquipmentDetails",
      "http://www.newfoundgold.ca/role/DisclosureReclamationAndClosureCostProvisionsAdditionalInformationDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails",
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maximum",
        "verboseLabel": "Maximum"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for top of a range."
       }
      }
     },
     "auth_ref": [
      "r74",
      "r100",
      "r112",
      "r128",
      "r210",
      "r347",
      "r348",
      "r418"
     ]
    },
    "nfgc_TotalCostOfNsrSThatMayBePurchasedAtEntitySDiscretion": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "TotalCostOfNsrSThatMayBePurchasedAtEntitySDiscretion",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsQueenswayProjectGanderNewfoundlandAndLabradorDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the total cost of NSR's that may be purchased at entity's discretion.",
        "label": "Total Cost Of NSR's That May Be Purchased At Entity's Discretion",
        "terseLabel": "Total cost of NSR'S that may be purchased at entity's discretion"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_TradeAccountsPayableAndAccruedLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "TradeAccountsPayableAndAccruedLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of trade accounts payable and accrued liabilities.",
        "label": "Trade Accounts Payable And Accrued Liabilities",
        "terseLabel": "Accounts payable and accrued liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_TradeAndOtherCurrentPayables": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TradeAndOtherCurrentPayables",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trade and other current payables",
        "totalLabel": "Total"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current trade payables and current other payables. [Refer: Current trade payables; Other current payables]"
       }
      }
     },
     "auth_ref": [
      "r308"
     ]
    },
    "ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TradeAndOtherCurrentPayablesToRelatedParties",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails": {
       "parentTag": "ifrs-full_TradeAndOtherCurrentPayables",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current payables to related parties",
        "terseLabel": "Due to related parties (Note 17)"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current payables due to related parties. [Refer: Total for all related parties [member]; Payables to related parties]"
       }
      }
     },
     "auth_ref": [
      "r430"
     ]
    },
    "ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TradeAndOtherCurrentPayablesToTradeSuppliers",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails": {
       "parentTag": "ifrs-full_TradeAndOtherCurrentPayables",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current trade payables",
        "terseLabel": "Accounts payable"
       }
      },
      "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]"
       }
      }
     },
     "auth_ref": [
      "r384",
      "r430"
     ]
    },
    "ifrs-full_TradeAndOtherCurrentReceivables": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TradeAndOtherCurrentReceivables",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0,
       "order": 2.0
      },
      "http://www.newfoundgold.ca/role/DisclosureReceivablesDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureReceivablesDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trade and other current receivables",
        "terseLabel": "Receivables",
        "totalLabel": "Receivables"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current trade receivables and current other receivables. [Refer: Current trade receivables; Other current receivables]"
       }
      }
     },
     "auth_ref": [
      "r290",
      "r306",
      "r316"
     ]
    },
    "ifrs-full_TradeAndOtherCurrentReceivablesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TradeAndOtherCurrentReceivablesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "RECEIVABLES"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_TradeAndOtherPayablesRecognisedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TradeAndOtherPayablesRecognisedAsOfAcquisitionDate",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails": {
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": -1.0,
       "order": 9.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trade and other payables recognised as of acquisition date",
        "negatedLabel": "Accounts payable and accrued liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for trade and other payables assumed in a business combination. [Refer: Trade and other payables; Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r417"
     ]
    },
    "ifrs-full_TradeAndOtherPayablesUndiscountedCashFlows": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TradeAndOtherPayablesUndiscountedCashFlows",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsScheduleOfMaturityProfileOfFinancialLiabilitiesDetails": {
       "parentTag": "ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsScheduleOfMaturityProfileOfFinancialLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trade and other payables, undiscounted cash flows",
        "terseLabel": "Accounts payable and accrued liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of contractual undiscounted cash flows in relation to trade and other payables. [Refer: Trade and other payables]"
       }
      }
     },
     "auth_ref": [
      "r361",
      "r366"
     ]
    },
    "nfgc_TradeAndOtherReceivablesRecognizedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "TradeAndOtherReceivablesRecognizedAsOfAcquisitionDate",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails": {
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureAcquisitionOfMaritimeResourcesCorpPurchaseConsiderationAndPreliminaryAllocationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount recognized as of the acquisition date for trade and other receivables acquired in a business combination.",
        "label": "Trade And other Receivables Recognized As Of Acquisition Date",
        "terseLabel": "Receivables"
       }
      }
     },
     "auth_ref": []
    },
    "dei_TradingSymbol": {
     "xbrltype": "tradingSymbolItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "TradingSymbol",
     "presentation": [
      "http://www.newfoundgold.ca/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Symbol",
        "documentation": "Trading symbol of an instrument as listed on an exchange."
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_TrenchingCumulativeExplorationExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "TrenchingCumulativeExplorationExpense",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsExplorationAndEvaluationExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of increase in cumulative exploration expense due to trenching.",
        "label": "Trenching, Cumulative Exploration Expense",
        "terseLabel": "Trenching"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_TypesOfAntidilutiveInstrumentsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TypesOfAntidilutiveInstrumentsAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureBasicAndDilutedLossPerShareAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Types of antidilutive instruments [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r44"
     ]
    },
    "ifrs-full_TypesOfAntidilutiveInstrumentsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TypesOfAntidilutiveInstrumentsDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureBasicAndDilutedLossPerShareAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Types of antidilutive instruments [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for antidilutive instruments. Instruments are antidilutive when their conversion to ordinary shares would increase earnings per share or decrease loss per share from continuing operations. The calculation of diluted earnings per share does not assume conversion, exercise, or other issue of potential ordinary shares that would have an antidilutive effect on earnings per share. It also represents the standard value for the \u2018Types of antidilutive instruments' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r44"
     ]
    },
    "ifrs-full_TypesOfRisksAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TypesOfRisksAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsMarketRiskDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Types of risks [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r26",
      "r113",
      "r114",
      "r115",
      "r117",
      "r151",
      "r155",
      "r156",
      "r230"
     ]
    },
    "ifrs-full_TypesOfRisksDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TypesOfRisksDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureFinancialInstrumentsMarketRiskDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Types of risks [domain]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r26",
      "r113",
      "r114",
      "r115",
      "r117",
      "r151",
      "r155",
      "r156",
      "r230"
     ]
    },
    "ifrs-full_TypesOfSharebasedPaymentArrangementsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TypesOfSharebasedPaymentArrangementsAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesRestrictedShareUnitsDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionCompensationPlanDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesTables",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWarrantsActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Types of share-based payment arrangements [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r129",
      "r264"
     ]
    },
    "ifrs-full_TypesOfSharebasedPaymentArrangementsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TypesOfSharebasedPaymentArrangementsDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesRestrictedShareUnitsDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionCompensationPlanDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesTables",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWarrantsActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Types of share-based payment arrangements [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for an agreement between the entity or another group entity or any shareholder of the group entity and another party (including an employee) that entitles the other party to receive (a) cash or other assets of the entity for amounts that are based on the price (or value) of equity instruments (including shares or share options) of the entity or another group entity; or (b) equity instruments (including shares or share options) of the entity or another group entity, provided that the specified vesting conditions, if any, are met. It also represents the standard value for the 'Types of share-based payment arrangements' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r129",
      "r264"
     ]
    },
    "ifrs-full_UnconsolidatedStructuredEntitiesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "UnconsolidatedStructuredEntitiesAxis",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsWarrantsDetails",
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unconsolidated structured entities [axis]"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r94",
      "r279"
     ]
    },
    "ifrs-full_UnconsolidatedStructuredEntitiesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "UnconsolidatedStructuredEntitiesDomain",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsWarrantsDetails",
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unconsolidated structured entities [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Unconsolidated structured entities' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r94",
      "r279"
     ]
    },
    "ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unused tax losses for which no deferred tax asset recognised",
        "terseLabel": "Non-capital loss carry forwards"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of unused tax losses for which no deferred tax asset is recognised in the statement of financial position. [Refer: Unused tax losses [member]]"
       }
      }
     },
     "auth_ref": [
      "r5",
      "r218"
     ]
    },
    "ifrs-full_UnusedTaxLossesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "UnusedTaxLossesMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfComponentsOfDeferredIncomeTaxAssetsAndLiabilitiesDetails",
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesScheduleOfDeductibleTemporaryDifferencesUnusedTaxLossesAndUnusedTaxCreditsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-capital tax loss carry forward",
        "terseLabel": "Non-capital tax losses carryforward",
        "verboseLabel": "Non-capital losses"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for tax losses that have been incurred and are carried forward for use against future taxable profit."
       }
      }
     },
     "auth_ref": [
      "r8",
      "r221"
     ]
    },
    "ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment": {
     "xbrltype": "durationItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Useful life measured as period of time, property, plant and equipment",
        "terseLabel": "Estimated useful lives of property, plant and equipment"
       }
      },
      "en": {
       "role": {
        "documentation": "The useful life, measured as period of time, used for property, plant and equipment. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r10",
      "r222"
     ]
    },
    "nfgc_ValueOfSharesIssuedForAcquisitionOfMineralClaims": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "ValueOfSharesIssuedForAcquisitionOfMineralClaims",
     "crdr": "credit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMineralClaimsFromExploitsDiscoveryCorpDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of shares issued for acquisition of mineral claims.",
        "label": "Value Of Shares Issued For Acquisition Of Mineral Claims",
        "terseLabel": "Value of shares issued for acquisition of mineral claims"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_VehiclesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "VehiclesMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureMaterialAccountingPolicyInformationPropertyPlantAndEquipmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Vehicles"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a class of property, plant and equipment representing vehicles used in the entity's operations, specifically to include aircraft, motor vehicles and ships. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r400"
     ]
    },
    "nfgc_VestingYearOneMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "VestingYearOneMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesRestrictedShareUnitsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for restricted shares unites vested year one.",
        "label": "Vesting Year One [Member]",
        "terseLabel": "2026"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_VestingYearThreeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "VestingYearThreeMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesRestrictedShareUnitsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for restricted shares unites vested year three.",
        "label": "Vesting Year Three [Member]",
        "terseLabel": "2028"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_VestingYearTwoMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "VestingYearTwoMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesRestrictedShareUnitsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for restricted shares unites vested year two.",
        "label": "Vesting Year Two [Member]",
        "terseLabel": "2027"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_VijayMehtaMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "VijayMehtaMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Vijay Mehta.",
        "label": "Vijay Mehta [Member]",
        "terseLabel": "Vijay Mehta"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_WarrantExercisePricePremiumPercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "WarrantExercisePricePremiumPercentage",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Warrant exercise price being a percentage of premium to lower of the volume weighted average price of the common shares for the 20 trading days prior to the date of the term sheet and the date the warrants are issued.",
        "label": "Warrant Exercise Price, Premium Percentage",
        "terseLabel": "Warrant exercise price premium percentage"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_WarrantExerciseThresholdTradingDays": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "WarrantExerciseThresholdTradingDays",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureSubsequentEventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Threshold number of specified trading days that common stock price to exercise price of warrants must exceeds threshold percentage within a specified consecutive trading period to trigger the warrant exercise feature.",
        "label": "Warrant Exercise, Threshold Trading Days",
        "terseLabel": "Warrant exercise threshold trading days"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_WarrantOrRightHeldAtFairValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "WarrantOrRightHeldAtFairValue",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsWarrantsDetails",
      "http://www.newfoundgold.ca/role/DisclosureSecuredNotesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the fair value of warrants held.",
        "label": "Warrant or Right Held, At Fair Value",
        "terseLabel": "Warrants held, Fair Value"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_WarrantReserve": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WarrantReserve",
     "crdr": "credit",
     "calculation": {
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition": {
       "parentTag": "ifrs-full_Equity",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Warrant reserve",
        "terseLabel": "Warrants"
       }
      },
      "en": {
       "role": {
        "documentation": "A component of equity resulting from issuing share purchase warrants, other than those resulting from share-based payment arrangements. [Refer: Reserve of share-based payments]"
       }
      }
     },
     "auth_ref": [
      "r429"
     ]
    },
    "nfgc_WarrantsExercisePricePerShare": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "WarrantsExercisePricePerShare",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsWarrantsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Exercise price of warrants per share.",
        "label": "Warrants Exercise Price Per Share",
        "terseLabel": "Warrants Exercise Price Per Share"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_WarrantsHeld": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "WarrantsHeld",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsDetails": {
       "parentTag": "ifrs-full_CurrentInvestments",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInvestmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of investment in warrants.",
        "label": "Warrants Held",
        "terseLabel": "Warrants held"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_WarrantsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WarrantsMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureBasicAndDilutedLossPerShareAdditionalInformationDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesTables",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWarrantsActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Warrants [member].",
        "terseLabel": "Warrants"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for warrants."
       }
      }
     },
     "auth_ref": [
      "r404"
     ]
    },
    "nfgc_WarrantsOutstandingSharesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "WarrantsOutstandingSharesAbstract",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWarrantsActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "n/a",
        "label": "Warrants Outstanding, Shares [Abstract]",
        "terseLabel": "Warrants outstanding (in shares)"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_WarrantsOutstandingWeightedAverageExercisePriceAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "WarrantsOutstandingWeightedAverageExercisePriceAbstract",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWarrantsActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "n/a",
        "label": "Warrants Outstanding, Weighted Average Exercise Price [Abstract]",
        "terseLabel": "Weighted average exercise price (in $ per share)"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWarrantsActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of other equity instruments exercised or vested in share-based payment arrangement",
        "terseLabel": "Weighted average exercise price, warrants exercised",
        "verboseLabel": "Weighted average exercise price of warrants exercised"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of other equity instruments (ie other than share options) exercised or vested in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r416"
     ]
    },
    "nfgc_WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInShareBasedPaymentArrangementBusinessCombination": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInShareBasedPaymentArrangementBusinessCombination",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWarrantsActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the weighted-average exercise price associated with equity instruments (excluding standard share options) granted as part of a share-based payment arrangement linked to a business combination. This measure reflects the average price at which such instruments may be exercised, weighted by the number of instruments granted.",
        "label": "Weighted Average Exercise Price Of Other Equity Instruments Granted In Share Based Payment Arrangement, Business Combination",
        "terseLabel": "Weighted average exercise price , Maritime Acquisition"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWarrantsActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of other equity instruments outstanding in share-based payment arrangement",
        "periodEndLabel": "Weighted average exercise price of other equity instruments outstanding in share-based payment arrangement at end of period",
        "periodStartLabel": "Weighted average exercise price of other equity instruments outstanding in share-based payment arrangement at beginning of period"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r416"
     ]
    },
    "ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of share options exercisable in share-based payment arrangement",
        "periodEndLabel": "Weighted average exercise price, option exercisable at the end",
        "verboseLabel": "Stock options exercisable, weighted average exercise price"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of share options exercisable in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r125",
      "r262"
     ]
    },
    "ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of share options exercised in share-based payment arrangement",
        "terseLabel": "Weighted average exercise price, option exercised",
        "verboseLabel": "Weighted average exercise price of stock option exercised"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of share options exercised in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r122",
      "r259"
     ]
    },
    "ifrs-full_WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement2019",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of share options expired in share-based payment arrangement",
        "terseLabel": "Weighted average exercise price, option forfeited/cancelled/expired"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of share options expired in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r123",
      "r260"
     ]
    },
    "ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of share options granted in share-based payment arrangement",
        "terseLabel": "Weighted average exercise price, option granted"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of share options granted in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r121",
      "r258"
     ]
    },
    "ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWeightedAverageFairValueAndAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average share price for share options in share-based payment arrangement exercised during period at date of exercise",
        "terseLabel": "Weighted average share price at date of exercise"
       }
      },
      "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: Types of share-based payment arrangements [domain]; Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r127"
     ]
    },
    "ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of share options outstanding in share-based payment arrangement",
        "periodEndLabel": "Weighted average exercise price, option outstanding at the end",
        "periodStartLabel": "Weighted average exercise price, option outstanding at the beginning",
        "verboseLabel": "Stock options outstanding, weighted average exercise price"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of share options outstanding in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r120",
      "r124",
      "r257",
      "r261"
     ]
    },
    "nfgc_WeightedAverageFairValuePerShareShareOptionsExercised": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "WeightedAverageFairValuePerShareShareOptionsExercised",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWeightedAverageFairValueAndAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The weighted average fair value per share used as input to the option pricing model to calculate the fair value of share options exercised.",
        "label": "Weighted Average Fair Value Per Share, Share Options Exercised",
        "terseLabel": "Weighted average grant-date fair value of options exercised"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_WeightedAverageFairValuePerShareShareOptionsGranted": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "WeightedAverageFairValuePerShareShareOptionsGranted",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWeightedAverageFairValueAndAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The weighted average fair value per share used as input to the option pricing model to calculate the fair value of share options granted.",
        "label": "Weighted Average Fair Value Per Share, Share Options Granted",
        "terseLabel": "Weighted average fair value of options granted"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_WeightedAverageRemainingContractualLifeOfExercisableShareOptions": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "WeightedAverageRemainingContractualLifeOfExercisableShareOptions",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The weighted average remaining contractual life of exercisable share options.",
        "label": "Weighted Average Remaining Contractual Life of Exercisable Share Options",
        "terseLabel": "Weighted average contractual remaining life, option exercisable at the end",
        "verboseLabel": "Stock options exercisable, weighted average remaining contractual life (days)"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019": {
     "xbrltype": "durationItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesOptionsOutstandingAndExercisableDetails",
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesSharePurchaseOptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average remaining contractual life of outstanding share options",
        "terseLabel": "Stock options outstanding, weighted average remaining contractual life (days)",
        "verboseLabel": "Weighted average contractual remaining life (years)"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average remaining contractual life of outstanding share options. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r128"
     ]
    },
    "ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageSharePriceShareOptionsGranted2019",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureShareCapitalAndReservesWeightedAverageFairValueAndAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average share price, share options granted",
        "terseLabel": "Grant date share price"
       }
      },
      "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]]"
       }
      }
     },
     "auth_ref": [
      "r130"
     ]
    },
    "ifrs-full_WeightedAverageShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageShares",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureBasicAndDilutedLossPerShareDetails": {
       "parentTag": "ifrs-full_AdjustedWeightedAverageShares",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureBasicAndDilutedLossPerShareDetails",
      "http://www.newfoundgold.ca/role/StatementConsolidatedStatementsOfLossAndComprehensiveLoss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average number of ordinary shares outstanding",
        "terseLabel": "Weighted average number of common shares outstanding - basic",
        "verboseLabel": "Weighted average number of common shares outstanding - basic"
       }
      },
      "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."
       }
      }
     },
     "auth_ref": [
      "r43"
     ]
    },
    "nfgc_WhiskerValleyProjectMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "WhiskerValleyProjectMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureExplorationAndEvaluationAssetsAcquisitionOfMaritimeExplorationPropertiesAndMiningInterestsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Whisker Valley project.",
        "label": "Whisker Valley Project [Member]",
        "terseLabel": "Whisker Valley project"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_WilliamHaydenMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "WilliamHaydenMember",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for William Hayden.",
        "label": "William Hayden [Member]",
        "terseLabel": "William Hayden"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_WorkInProgress": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WorkInProgress",
     "crdr": "debit",
     "calculation": {
      "http://www.newfoundgold.ca/role/DisclosureInventoriesDetails": {
       "parentTag": "ifrs-full_Inventories",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInventoriesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current work in progress",
        "terseLabel": "Work-in-process"
       }
      },
      "en": {
       "role": {
        "documentation": "A classification of current inventory representing the amount of assets currently in production, which require further processes to be converted into finished goods or services. [Refer: Current finished goods; Inventories]"
       }
      }
     },
     "auth_ref": [
      "r378",
      "r386",
      "r403"
     ]
    },
    "ifrs-full_WritedownsReversalsOfInventories": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WritedownsReversalsOfInventories",
     "crdr": "debit",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureInventoriesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Write-downs (reversals of write-downs) of inventories",
        "terseLabel": "Write down or reversal"
       }
      }
     },
     "auth_ref": [
      "r202",
      "r326"
     ]
    },
    "nfgc_Year2028Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "Year2028Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for year 2028.",
        "label": "Year 2028 [Member]",
        "terseLabel": "2028"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_Year2029Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "Year2029Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for year 2029.",
        "label": "Year 2029 [Member]",
        "terseLabel": "2029"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_Year2030Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "Year2030Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for year 2030.",
        "label": "Year 2030 [Member]",
        "terseLabel": "2030"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_Year2031Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "Year2031Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for year 2031.",
        "label": "Year 2031 [Member]",
        "terseLabel": "2031"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_Year2032Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "Year2032Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for year 2032.",
        "label": "Year 2032 [Member]",
        "terseLabel": "2032"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_Year2033Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "Year2033Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for year 2033.",
        "label": "Year 2033 [Member]",
        "terseLabel": "2033"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_Year2034Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "Year2034Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for year 2034.",
        "label": "Year 2034 [Member]",
        "terseLabel": "2034"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_Year2035Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "Year2035Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for year 2035.",
        "label": "Year 2035 [Member]",
        "terseLabel": "2035"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_Year2036Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "Year2036Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for year 2036.",
        "label": "Year 2036 [Member]",
        "terseLabel": "2036"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_Year2037Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "Year2037Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for year 2037.",
        "label": "Year 2037 [Member]",
        "terseLabel": "2037"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_Year2038Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "Year2038Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for year 2038.",
        "label": "Year 2038 [Member]",
        "terseLabel": "2038"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_Year2039Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "Year2039Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for year 2039.",
        "label": "Year 2039 [Member]",
        "terseLabel": "2039"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_Year2040Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "Year2040Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for year 2040.",
        "label": "2040",
        "terseLabel": "2040"
       }
      }
     },
     "auth_ref": []
    },
    "nfgc_Year2041Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.newfoundgold.ca/20251231",
     "localname": "Year2041Member",
     "presentation": [
      "http://www.newfoundgold.ca/role/DisclosureIncomeTaxesNonCapitalLossCarryForwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for year 2041.",
        "label": "2041",
        "terseLabel": "2041"
       }
      }
     },
     "auth_ref": []
    }
   }
  }
 },
 "std_ref": {
  "r0": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "10",
   "IssueDate": "2025-01-01",
   "Paragraph": "21",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=10&code=ifrs-tx-2025-en-r&anchor=para_21&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r1": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "10",
   "IssueDate": "2025-01-01",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=10&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IAS10_g17-22_TI",
   "URIDate": "2025-03-27"
  },
  "r2": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_79&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r3": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "81",
   "Subparagraph": "c",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81_c_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r4": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "81",
   "Subparagraph": "c",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81_c_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r5": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "81",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r6": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "81",
   "Subparagraph": "g",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81_g_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r7": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "81",
   "Subparagraph": "g",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81_g_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r8": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "81",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81_g&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r9": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IAS12_g79-88_TI",
   "URIDate": "2025-03-27"
  },
  "r10": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r11": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r12": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "Subparagraph": "e",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_e_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r13": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "Subparagraph": "e",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_e_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r14": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "Subparagraph": "e",
   "Clause": "vii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_e_vii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r15": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r16": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r17": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "75",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_75_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r18": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "75",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_75_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r19": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IAS16_g73-79_TI",
   "URIDate": "2025-03-27"
  },
  "r20": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "142",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_142&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r21": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "36",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=2&code=ifrs-tx-2025-en-r&anchor=para_36_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r22": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "36",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=2&code=ifrs-tx-2025-en-r&anchor=para_36_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r23": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "36",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=2&code=ifrs-tx-2025-en-r&anchor=para_36_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r24": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=2&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IAS02_g36-39_TI",
   "URIDate": "2025-03-27"
  },
  "r25": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "21",
   "IssueDate": "2025-01-01",
   "Paragraph": "52",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=21&code=ifrs-tx-2025-en-r&anchor=para_52_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r26": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "21",
   "IssueDate": "2025-01-01",
   "Paragraph": "A19",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=21&code=ifrs-tx-2025-en-r&anchor=para_A19_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r27": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "24",
   "IssueDate": "2025-01-01",
   "Paragraph": "17",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2025-en-r&anchor=para_17_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r28": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "24",
   "IssueDate": "2025-01-01",
   "Paragraph": "17",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2025-en-r&anchor=para_17_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r29": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "24",
   "IssueDate": "2025-01-01",
   "Paragraph": "17",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2025-en-r&anchor=para_17_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r30": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "24",
   "IssueDate": "2025-01-01",
   "Paragraph": "17",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2025-en-r&anchor=para_17&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r31": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "24",
   "IssueDate": "2025-01-01",
   "Paragraph": "18",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2025-en-r&anchor=para_18_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r32": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "24",
   "IssueDate": "2025-01-01",
   "Paragraph": "18",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2025-en-r&anchor=para_18&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r33": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "24",
   "IssueDate": "2025-01-01",
   "Paragraph": "19",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2025-en-r&anchor=para_19&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r34": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "24",
   "IssueDate": "2025-01-01",
   "Section": "Disclosures",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IAS24_g13-24_TI",
   "URIDate": "2025-03-27"
  },
  "r35": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "26",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "Subparagraph": "b",
   "Clause": "vii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=26&code=ifrs-tx-2025-en-r&anchor=para_35_b_vii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r36": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "26",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "Subparagraph": "b",
   "Clause": "viii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=26&code=ifrs-tx-2025-en-r&anchor=para_35_b_viii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r37": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "27",
   "IssueDate": "2025-01-01",
   "Paragraph": "16",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2025-en-r&anchor=para_16_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r38": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "27",
   "IssueDate": "2025-01-01",
   "Paragraph": "16",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2025-en-r&anchor=para_16_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r39": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "27",
   "IssueDate": "2025-01-01",
   "Paragraph": "17",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2025-en-r&anchor=para_17_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r40": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "27",
   "IssueDate": "2025-01-01",
   "Paragraph": "17",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2025-en-r&anchor=para_17_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r41": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "33",
   "IssueDate": "2025-01-01",
   "Paragraph": "66",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2025-en-r&anchor=para_66&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r42": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "33",
   "IssueDate": "2025-01-01",
   "Paragraph": "67",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2025-en-r&anchor=para_67&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r43": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "33",
   "IssueDate": "2025-01-01",
   "Paragraph": "70",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2025-en-r&anchor=para_70_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r44": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "33",
   "IssueDate": "2025-01-01",
   "Paragraph": "70",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2025-en-r&anchor=para_70_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r45": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "33",
   "IssueDate": "2025-01-01",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IAS33_g70-73A_TI",
   "URIDate": "2025-03-27"
  },
  "r46": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "126",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_126_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r47": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "126",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_126_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r48": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "126",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_126&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r49": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "129",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_129_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r50": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "129",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_129_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r51": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "130",
   "Subparagraph": "d",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_130_d_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r52": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "130",
   "Subparagraph": "f",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_130_f_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r53": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "134",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_134_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r54": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "134",
   "Subparagraph": "e",
   "Clause": "iiA",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_134_e_iiA&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r55": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "135",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_135_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r56": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "37",
   "IssueDate": "2025-01-01",
   "Paragraph": "84",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2025-en-r&anchor=para_84_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r57": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "37",
   "IssueDate": "2025-01-01",
   "Paragraph": "84",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2025-en-r&anchor=para_84_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r58": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "37",
   "IssueDate": "2025-01-01",
   "Paragraph": "84",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2025-en-r&anchor=para_84&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r59": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "118",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r60": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "118",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r61": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "32A",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_32A&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r62": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "76",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_76&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r63": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_79_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r64": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_79_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r65": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "41",
   "IssueDate": "2025-01-01",
   "Paragraph": "50",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=41&code=ifrs-tx-2025-en-r&anchor=para_50&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r66": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "41",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=41&code=ifrs-tx-2025-en-r&anchor=para_54_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r67": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "41",
   "IssueDate": "2025-01-01",
   "Paragraph": "55",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=41&code=ifrs-tx-2025-en-r&anchor=para_55&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r68": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "10",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_10&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r69": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "21",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_21&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r70": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "25",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_25&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r71": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_28&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r72": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_31&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r73": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "40",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_40_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r74": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "44H",
   "Subparagraph": "b",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_44H_b_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r75": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_45&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r76": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "50",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_50_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r77": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Section": "Presentation of a statement of cash flows",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IAS07_g10-17_TI",
   "URIDate": "2025-03-27"
  },
  "r78": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "30",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=8&code=ifrs-tx-2025-en-r&anchor=para_30_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r79": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "24",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2025-en-r&anchor=para_24_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r80": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "24",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2025-en-r&anchor=para_24_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r81": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "32",
   "Subparagraph": "a",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2025-en-r&anchor=para_32_a_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r82": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "32",
   "Subparagraph": "a",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2025-en-r&anchor=para_32_a_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r83": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "1",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_1&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r84": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "21",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_21_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r85": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B12_b_i&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r86": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B12_b_iii&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r87": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "Clause": "ix",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B12_b_ix&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r88": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "Clause": "v",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B12_b_v&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r89": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B13",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r90": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B13",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B13_e&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r91": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B13",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B13_g&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r92": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B16",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B16_a&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r93": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B4",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B4_d&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r94": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B4",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B4_e&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r95": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r96": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r97": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r98": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r99": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r100": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "14",
   "IssueDate": "2025-01-01",
   "Paragraph": "33",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=14&code=ifrs-tx-2025-en-r&anchor=para_33_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r101": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "15",
   "IssueDate": "2025-01-01",
   "Paragraph": "113",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2025-en-r&anchor=para_113_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r102": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "15",
   "IssueDate": "2025-01-01",
   "Paragraph": "114",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2025-en-r&anchor=para_114&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r103": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "15",
   "IssueDate": "2025-01-01",
   "Paragraph": "115",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2025-en-r&anchor=para_115&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r104": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "15",
   "IssueDate": "2025-01-01",
   "Paragraph": "120",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2025-en-r&anchor=para_120_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r105": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "47",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_47_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r106": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "53",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_53&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r107": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "58",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_58&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r108": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "94",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_94&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r109": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "97",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_97&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r110": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "109",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_109&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r111": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "109A",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_109A&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r112": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "120",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_120&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r113": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "124",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_124&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r114": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "125",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_125&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r115": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "127",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_127&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r116": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "128",
   "Subparagraph": "a",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_128_a_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r117": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "128",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_128_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r118": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "132",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_132_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r119": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "C32",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_C32&doctype=Appendix&subtype=C",
   "URIDate": "2025-03-27"
  },
  "r120": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r121": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "Subparagraph": "b",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_b_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r122": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "Subparagraph": "b",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_b_iv&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r123": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "Subparagraph": "b",
   "Clause": "v",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_b_v&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r124": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "Subparagraph": "b",
   "Clause": "vi",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_b_vi&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r125": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "Subparagraph": "b",
   "Clause": "vii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_b_vii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r126": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r127": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r128": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r129": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r130": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "47",
   "Subparagraph": "a",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_47_a_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r131": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "47",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_47_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r132": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "47",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_47_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r133": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "51",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_51_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r134": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "51",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_51_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r135": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "Subparagraph": "f",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_f_iv&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r136": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_f&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r137": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "Subparagraph": "m",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_m&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r138": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "Subparagraph": "p",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_p_i&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r139": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "Subparagraph": "q",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_q_i&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r140": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "Subparagraph": "q",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_q_ii&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r141": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r142": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B67",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B67_d&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r143": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B67",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B67&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r144": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Section": "Disclosures",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IFRS03_g59-63_TI",
   "URIDate": "2025-03-27"
  },
  "r145": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Section": "Disclosures application of paragraphs 59 and 61",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&doctype=Appendix&subtype=B&dita_xref=IFRS03_gB64-B67_TI",
   "URIDate": "2025-03-27"
  },
  "r146": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "5",
   "IssueDate": "2025-01-01",
   "Paragraph": "33",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2025-en-r&anchor=para_33_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r147": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "6",
   "IssueDate": "2025-01-01",
   "Paragraph": "24",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=6&code=ifrs-tx-2025-en-r&anchor=para_24_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r148": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "6",
   "IssueDate": "2025-01-01",
   "Paragraph": "24",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=6&code=ifrs-tx-2025-en-r&anchor=para_24_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r149": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "6",
   "IssueDate": "2025-01-01",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=6&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IFRS06_g23-25_TI",
   "URIDate": "2025-03-27"
  },
  "r150": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "11A",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_11A_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r151": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "21C",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_21C&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r152": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "23B",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_23B_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r153": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "25",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_25&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r154": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_31&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r155": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "33",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_33&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r156": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "34",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_34&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r157": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35H",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35H&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r158": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35I",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35I&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r159": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35K",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35K&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r160": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35M",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35M&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r161": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "36",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_36&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r162": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "39",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_39_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r163": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "42E",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_42E_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r164": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "42I",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_42I&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r165": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "6",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_6&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r166": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "7",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_7&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r167": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "8",
   "Subparagraph": "h",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_8_h&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r168": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "B52",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_B52&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r169": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Section": "Defined terms",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&doctype=Appendix&subtype=A&dita_xref=IFRS07_APPA_TI",
   "URIDate": "2025-03-27"
  },
  "r170": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Section": "Scope",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IFRS07_g3-5A_TI",
   "URIDate": "2025-03-27"
  },
  "r171": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "23",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_23_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r172": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "23",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_23_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r173": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "23",
   "Subparagraph": "h",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_23_h&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r174": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "23",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_23&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r175": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "24",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_24_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r176": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r177": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r178": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r179": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r180": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r181": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r182": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "32",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_32&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r183": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "33",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_33_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r184": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "33",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_33&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r185": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "34",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_34&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r186": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IFRS08_g20-24_TI",
   "URIDate": "2025-03-27"
  },
  "r187": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "9",
   "IssueDate": "2025-01-01",
   "Paragraph": "7.2.34",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2025-en-r&anchor=para_7.2.34&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r188": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "9",
   "IssueDate": "2025-01-01",
   "Paragraph": "7.2.42",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2025-en-r&anchor=para_7.2.42&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r189": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2026-01-01",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "30A",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_30A_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r190": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "103",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_103&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r191": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "104",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_104&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r192": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "108",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_108_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r193": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "115",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_115&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r194": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "119",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_119&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r195": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "122",
   "Subparagraph": "a",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_122_a_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r196": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "122",
   "Subparagraph": "a",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_122_a_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r197": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "122",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_122_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r198": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "124",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_124_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r199": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "124",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_124_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r200": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "124",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_124&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r201": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "128",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_128&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r202": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "133",
   "Subparagraph": "a",
   "Clause": "v",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_133_a_v&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r203": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "160",
   "Subparagraph": "a",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_160_a_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r204": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "160",
   "Subparagraph": "a",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_160_a_iv&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r205": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "160",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_160_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r206": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "160",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_160&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r207": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "164",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_164_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r208": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "164",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_164_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r209": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "164",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_164_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r210": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "168",
   "Subparagraph": "b",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_168_b_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r211": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "169",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_169&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r212": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "176",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_176&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r213": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "180",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_180_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r214": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "190",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_190&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r215": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "192",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_192&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r216": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "194",
   "Subparagraph": "c",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_194_c_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r217": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "194",
   "Subparagraph": "c",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_194_c_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r218": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "194",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_194_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r219": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "194",
   "Subparagraph": "f",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_194_f_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r220": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "194",
   "Subparagraph": "f",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_194_f_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r221": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "194",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_194_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r222": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "200",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r223": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "200",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r224": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "200",
   "Subparagraph": "e",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_e_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r225": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "200",
   "Subparagraph": "e",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_e_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r226": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "200",
   "Subparagraph": "e",
   "Clause": "vii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_e_vii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r227": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "200",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r228": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "200",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r229": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "218",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_218_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r230": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "223",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_223_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r231": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "227",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_227&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r232": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "230",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_230_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r233": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "230",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_230&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r234": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "231",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_231&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r235": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "238",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_238_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r236": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "24",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_24_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r237": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "24",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_24_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r238": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "240",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_240_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r239": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "250",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_250_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r240": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "250",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_250_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r241": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "250",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_250&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r242": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "254",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_254_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r243": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "254",
   "Subparagraph": "e",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_254_e_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r244": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "255",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_255_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r245": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "257",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_257_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r246": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "257",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_257_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r247": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "257",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_257&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r248": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "263",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_263_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r249": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "263",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_263_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r250": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "269",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_269&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r251": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "271",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_271_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r252": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "271",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_271_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r253": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "273",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_273&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r254": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "274",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_274_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r255": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "a",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_28_a_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r256": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "a",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_28_a_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r257": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_31_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r258": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "Subparagraph": "b",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_31_b_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r259": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "Subparagraph": "b",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_31_b_iv&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r260": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "Subparagraph": "b",
   "Clause": "v",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_31_b_v&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r261": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "Subparagraph": "b",
   "Clause": "vi",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_31_b_vi&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r262": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "Subparagraph": "b",
   "Clause": "vii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_31_b_vii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r263": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_31_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r264": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_31&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r265": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "34",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_34_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r266": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "34",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_34_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r267": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "Subparagraph": "e",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_35_e_iv&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r268": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_35_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r269": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_35&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r270": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "37",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_37&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r271": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "43",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_43&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r272": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "44",
   "Subparagraph": "e",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_44_e_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r273": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "64A",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_64A_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r274": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "66",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_66&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r275": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "70",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_70&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r276": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "71",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_71&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r277": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "72",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_72_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r278": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "75",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_75_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r279": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "75",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_75_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r280": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "88",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_88_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r281": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "89",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_89_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r282": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "95",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_95_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r283": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "95",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_95_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r284": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "95",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_95&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r285": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B10",
   "Subparagraph": "a",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B10_a_ii&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r286": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B10",
   "Subparagraph": "a",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B10_a_iv&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r287": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B10",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B10_a&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r288": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B10",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B10&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r289": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B13",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B13&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r290": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B9",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B9_b&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r291": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B9",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B9_f&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r292": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2026-01-01",
   "Name": "IFRS",
   "Number": "9",
   "IssueDate": "2025-01-01",
   "Paragraph": "7.2.49",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2025-en-r&anchor=para_7.2.49&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r293": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "103",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_103&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r294": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "106",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r295": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "106",
   "Subparagraph": "d",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_d_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r296": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "106",
   "Subparagraph": "d",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_d_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r297": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "106",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r298": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "117",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_117&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r299": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "134",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_134&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r300": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_35&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r301": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "51",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_51&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r302": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r303": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r304": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r305": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_g&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r306": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "h",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_h&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r307": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r308": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "k",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_k&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r309": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "o",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_o&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r310": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "55",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_55&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r311": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "56",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_56&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r312": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "61",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_61_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r313": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "61",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_61&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r314": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "66",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_66&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r315": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "69",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_69&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r316": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "78",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r317": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "78",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r318": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "a",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_79_a_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r319": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "a",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_79_a_iv&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r320": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_79_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r321": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_79&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r322": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "81A",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_81A_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r323": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "81A",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_81A_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r324": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "82",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_82_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r325": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "82",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_82_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r326": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "98",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_98_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r327": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "98",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_98_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r328": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "98",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_98_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r329": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "99",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_99&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r330": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "37",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_37_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r331": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "37",
   "Subparagraph": "h",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_37_h&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r332": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "138",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_138_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r333": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "138",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_138_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r334": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "147",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_147_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r335": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "24",
   "IssueDate": "2025-01-01",
   "Paragraph": "21",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2025-en-r&anchor=para_21_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r336": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "32",
   "IssueDate": "2025-01-01",
   "Paragraph": "IE33",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=32&code=ifrs-tx-2025-en-r&anchor=para_IE33&doctype=Illustrative%20Examples",
   "URIDate": "2025-03-27"
  },
  "r337": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "127",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_127&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r338": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "37",
   "IssueDate": "2025-01-01",
   "Paragraph": "87",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2025-en-r&anchor=para_87&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r339": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "37",
   "IssueDate": "2025-01-01",
   "Section": "D Examples: disclosures",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2025-en-r&doctype=Illustrative%20Examples&dita_xref=IAS37_IE_D_TI",
   "URIDate": "2025-03-27"
  },
  "r340": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "16",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_16_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r341": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "17",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_17_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r342": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "17",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_17_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r343": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "20",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_20&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r344": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "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-2025-en-r&doctype=Illustrative%20Examples&dita_xref=IAS07_IE_A_TI",
   "URIDate": "2025-03-27"
  },
  "r345": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B10",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B10_b&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r346": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "B36",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_B36_b&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r347": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "B6",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_B6&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r348": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "IE63",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_IE63&doctype=Illustrative%20Examples",
   "URIDate": "2025-03-27"
  },
  "r349": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "15",
   "IssueDate": "2025-01-01",
   "Paragraph": "B89",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2025-en-r&anchor=para_B89_b&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r350": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "53",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_53&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r351": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "113",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_113_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r352": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "96",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_96_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r353": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "96",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_96_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r354": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "Subparagraph": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_i&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r355": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r356": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "IE72",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_IE72&doctype=Illustrative%20Examples",
   "URIDate": "2025-03-27"
  },
  "r357": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "40",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_40_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r358": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "6",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_6&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r359": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "B11",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_B11&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r360": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "B11D",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_B11D_a&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r361": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "B11D",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_B11D&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r362": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "B35",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_B35_e&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r363": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "B35",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_B35_f&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r364": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "B35",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_B35_g&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r365": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "B35",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_B35&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r366": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "IG31A",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_IG31A&doctype=Implementation%20Guidance",
   "URIDate": "2025-03-27"
  },
  "r367": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "IG32",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_IG32&doctype=Implementation%20Guidance",
   "URIDate": "2025-03-27"
  },
  "r368": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "IG40B",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_IG40B&doctype=Implementation%20Guidance",
   "URIDate": "2025-03-27"
  },
  "r369": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "23",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_23&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r370": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r371": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "103",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_103_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r372": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "115",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_115&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r373": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "234",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_234_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r374": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "251",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_251&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r375": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_35_g&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r376": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_35&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r377": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B9",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B9_b&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r378": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B9",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B9_c&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r379": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B9",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B9_f&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r380": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "102",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_102&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r381": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "103",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_103&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r382": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "108",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_108&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r383": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "68",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_68&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r384": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "70",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_70&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r385": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "78",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r386": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "78",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r387": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "78",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r388": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "IG6",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_IG6&doctype=Implementation%20Guidance",
   "URIDate": "2025-03-27"
  },
  "r389": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12"
  },
  "r390": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b"
  },
  "r391": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r392": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "d1-1"
  },
  "r393": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 10-K",
   "Number": "249",
   "Section": "310"
  },
  "r394": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Number": "249",
   "Section": "220",
   "Subsection": "f"
  },
  "r395": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Number": "249",
   "Section": "240",
   "Subsection": "f"
  },
  "r396": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w"
  },
  "r397": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-T",
   "Number": "232",
   "Section": "405"
  },
  "r398": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Securities Act",
   "Number": "7A",
   "Section": "B",
   "Subsection": "2"
  },
  "r399": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "81",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r400": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "37",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_37&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r401": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r402": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r403": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "37",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=2&code=ifrs-tx-2025-en-r&anchor=para_37&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r404": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "33",
   "IssueDate": "2025-01-01",
   "Paragraph": "70",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2025-en-r&anchor=para_70_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r405": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "127",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_127&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r406": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "37",
   "IssueDate": "2025-01-01",
   "Paragraph": "84",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2025-en-r&anchor=para_84&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r407": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "118",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r408": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_79_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r409": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "41",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=41&code=ifrs-tx-2025-en-r&anchor=para_54_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r410": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "14",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_14&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r411": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "16",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_16&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r412": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "17",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_17&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r413": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "20",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_20_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r414": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "20",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_20_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r415": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "20",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_20&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r416": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r417": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "Subparagraph": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_i&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r418": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "7",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_7&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r419": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "34",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_34&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r420": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "10",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_10_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r421": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "102",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_102&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r422": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "103",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_103&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r423": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "104",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_104&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r424": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "106",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r425": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "112",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_112_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r426": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "117",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_117&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r427": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "55",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_55&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r428": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "78",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r429": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "78",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r430": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "78",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r431": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "85",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_85&doctype=Standard",
   "URIDate": "2025-03-27"
  }
 }
}
