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Cash and cash equivalents (Tables)
12 Months Ended
Dec. 31, 2021
Cash and cash equivalents  
Summary of cash and cash equivalents

    

12/31/2021

    

12/31/2020

Cash and cash equivalents in national currency

 

444,212

 

474,395

Cash and cash equivalents in foreign currency

 

20,643

 

27,595

Reverse repurchase agreements* (90 days)

 

35,591

 

1,652,697

Total of cash and cash equivalents

 

500,446

 

2,154,687

*

Refers to operations whose maturity, on the investment date, was equal to or less than 90 days and present an insignificant risk of change in fair value.

Summary of reverse repurchase agreements

Reverse repurchase agreements

12/31/2021

    

12/31/2020

Underlying security:

 

  

 

  

- Financial Treasury Letters (LFT)

 

 

412,492

- National Treasury Letters (LTN)

 

30,448

 

1,240,205

- National Treasury Bond (NTN)

 

1,048

 

- Bank deposit certificates

 

4,095

 

Total Reverse repurchase agreements

 

35,591

 

1,652,697