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Schedule of pre tax rates (Details)
 12 Months Ended
Dec. 31, 2021
shares
Discounted cash flow [member]  
IfrsStatementLineItems [Line Items]  
Assumptions, 2022 4.13%
Assumptions, 2023 3.12%
Assumptions, 2024 3.12%
Assumptions, 2025 2.99%
Assumptions, 2026 3.06%
Exchange rate, 2022 5.45
Exchange rate, 2023 5.45
Exchange rate, 2024 5.45
Exchange rate, 2025 5.45
Exchange rate, 2026 5.45
Discounted Cash Flow 1 [Member]  
IfrsStatementLineItems [Line Items]  
Assumptions, 2022 2.40%
Assumptions, 2023 2.17%
Assumptions, 2024 2.01%
Assumptions, 2025 2.01%
Assumptions, 2026 2.05%