v3.25.2

Investments in associates (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2025
Disclosure of associates [Abstract] |
Disclosure of transactions recognised separately from acquisition of assets and assumption of liabilities in business combination [Table Text Block] |
|  | 2025 |  |  | 2024 |
|  | $ |  |  | $ |
Balance - January 1 |  | 43,262 |  |  | 87,444 |
Share of loss, net (i) |  | (14,178 | ) |  | (30,025 | )
Share of other comprehensive (loss) income, net (i) |  | (601 | ) |  | 463 |
Net loss on ownership dilution (ii) |  | - |  |  | (9,300 | )
Gain on deemed disposal (iii) |  | 54,439 |  |  | - |
Transfers to other investments (Note 10) (iii) |  | (84,502 | ) |  | - |
Foreign exchange revaluation impact |  | 1,580 |  |  | (5,320 | )
Balance - December 31 |  | - |  |  | 43,262 |
Disclosure of associates [Table Text Block] |
|  | Osisko Development |
|  | 2024 (i) |
|  | $ |
Current assets |  | 42,949 |
Non-current assets |  | 525,269 |
Current liabilities |  | (90,842 | )
Non-current liabilities |  | (85,590 | )
Net assets |  | 391,786 |
Revenues |  | 8,421 |
Net loss |  | (153,087 | )
Other comprehensive income |  | 1,440 |
Comprehensive loss |  | (151,647 | )
Material investment - Reconciliation to carrying amounts
|  | Osisko Development (i) |
|  | 2024 |
|  | $ |
Opening net assets, at lag |  | 538,570 |
Loss for the period |  | (153,087 | )
Other comprehensive gain for the period |  | 1,440 |
Other equity transactions, impact of foreign exchange variations and others |  | 4,863 |
Closing net assets, at lag |  | 391,786 |
Company's share in % (ii) |  | 39.7% |
Company's share in $, at lag |  | 155,539 |
Initial recognition impairment (iii) |  | (73,039 | )
Investment impairment (iv) |  | (17,590 | )
Impact of dilution, foreign exchange variations and others |  | (12,348 | )
Carrying amount, at lag |  | 52,562 |
Adjustments for events during the lag period (iv), (v) |  | (9,300 | )
Carrying amount, as per balance sheet |  | 43,262 |
Fair value of investment (vi) |  | 54,210 |

X
- References No definition available. + Details
Name: | ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of associates. [Refer: Total for all associates [member]] + References Reference 1: 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 Reference 2: 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 Reference 3: 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 Reference 4: 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 Reference 5: 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 + Details
Name: | ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | dtr-2022:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of transactions recognised separately from acquisition of assets and assumption of liabilities in a business combination. [Refer: Total for all business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2025-01-01 -Paragraph B64 -Subparagraph l -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_l&doctype=Appendix&subtype=B -URIDate 2025-03-27 + Details
Name: | ifrs-full_DisclosureOfTransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | dtr-2022:textBlockItemType
Balance Type: | na
Period Type: | duration