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Note 34
 12 Months Ended
Dec. 31, 2021
Other Contingent Assets And Liabilities [Abstract]  
Disclosure of Other Contingent Assets And Liabilities [Text Block] Other contingent assets and liabilitiesAs of December 31, 2021, 2020 and 2019 there were no material contingent assets or liabilities other than those disclosed in the accompanying Notes to the consolidated financial statements.