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Schedule of the principal currencies and indexors used for monetary updating of loans and financings (Details) - United States of America, Dollars
Dec. 31, 2021
Dec. 31, 2020
I P C A [Member]    
IfrsStatementLineItems [Line Items]    
Accumulated change 7.39% 28.93%
Accumulated change 10.06% 4.52%
C D I [Member]    
IfrsStatementLineItems [Line Items]    
Accumulated change 4.39% 2.77%
T J L P [Member]    
IfrsStatementLineItems [Line Items]    
Accumulated change 16.92% 18.31%