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CASH AND CASH EQUIVALENTS (Tables)
 12 Months Ended
Dec. 31, 2021
Schedule of cash and cash equivalents

  Average rate (1)    
    12.31.21   12.31.20
Cash and bank accounts          
U.S. Dollar                 -               946,790          1,185,208
Saudi Riyal                 -               312,728            250,879
Brazilian Reais                 -               185,941            112,181
Euro                 -               103,630              54,687
Turkish lira                 -                 42,899            347,740
Other currencies                 -               601,520            488,377
             2,193,508          2,439,072
Cash equivalents          
In Brazilian Reais          
Investment funds 4.97%                3,641                4,684
Bank deposit certificates 8.53%          4,451,214          3,662,448
             4,454,855          3,667,132
In U.S. Dollar          
Term deposit                 -                 62,043            198,878
Overnight 0.15%            701,386          1,220,232
Other currencies          
Term deposit                 -               117,028              51,311
               880,457          1,470,421
             7,528,820          7,576,625
(1)Weighted average annual rate.