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6 Bonds and Securities (Tables)
12 Months Ended
Dec. 31, 2020
Bonds And Securities [Abstract]  
Schedule of bonds and securities

The term of these securities ranges from 4 to 51 months from the end of the reporting period. 

       
Category Index 12.31.2020 12.31.2019
Quotas in Funds (a)  CDI   237,141  225,804
Bank Deposit Certificates - CDB  90% to 101% of CDI   62,638 50,216
Financial Treasury Bonds - LFT  Selic  751  733
Committed Operation 96.5% of CDI 3,632
National Treasury Bills- LTN CDI 1,696
     300,530  282,081
  Current  1,465 3,112
  Noncurrent  299,065  278,969
(a) These are fixed income funds in the Parent Company and reserve accounts intended to comply with contracts with BNDES, in other companies.