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Financial investments (Tables)
 12 Months Ended
Dec. 31, 2022
Financial Investments  
The Company has financial investments in CDB, with daily liquidity
          
   December 31, 2022  December 31, 2021
Banco BV   289,909    262,465 
Banco Itaú Unibanco S/A   403,732    366,906 
Banco Bradesco S/A   578,752    524,791 
Banco BTG Pactual S/A   404,363    367,361 
Banco do Brasil S/A   1,117    911,862 
    1,677,873    2,433,385