Financial and capital risk management (Details 9) - Embedded Derivatives Gas Purchase [Member] - Risk Pellet Price Increase [Member]	Dec. 31, 2025 USD ($)
IfrsStatementLineItems [Line Items]
Fair value of liabilities
Sensitivity Scenario I [Member]
IfrsStatementLineItems [Line Items]
Fair value of liabilities
Sensitivity Scenario Ii [Member]
IfrsStatementLineItems [Line Items]
Fair value of liabilities

The amount of financial liabilities classified as derivative instruments. [Refer: Financial assets; Derivatives [member]]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard
-URIDate 2024-03-27

Name:	ifrs-full_DerivativeFinancialLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant