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v3.24.1

Related party transactions (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Related party transactions |  |
Administrative, legal and technical expenses | $ 1.1 | $ 2.6
Due from Associates | 0.1 | 0.2
Due to Associates | 0.1 | 0.4
Donation made | $ 0.0 | $ 0.5
Ownership interest held by former parent company | 39.70% | 44.10%

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- Definition The amounts payable resulting from related party transactions. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2023-01-01 -Paragraph 20 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_20&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2023-01-01 -Paragraph 18 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_18_b&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_AmountsPayableRelatedPartyTransactions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The amounts receivable resulting from related party transactions. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2023-01-01 -Paragraph 20 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_20&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2023-01-01 -Paragraph 18 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_18_b&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_AmountsReceivableRelatedPartyTransactions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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- Definition Amount of administrative, legal and technical expenses incurred in relation to related party transaction. + References No definition available. + Details
Name: | odv_AdministrativeLegalAndTechnicalExpensesRelatedPartyTransactions
Namespace Prefix: | odv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The amount of donation contributed by the entity in related party transactions. + References No definition available. + Details
Name: | odv_DonationsMadeByEntityRelatedPartyTransactions
Namespace Prefix: | odv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Represents the percentage of ownership interest held by former parent company. + References No definition available. + Details
Name: | odv_OwnershipInterestHeldByFormerParentCompany.
Namespace Prefix: | odv_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration