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TRADE RECEIVABLES (Tables)
 12 Months Ended
Dec. 31, 2023
Notes and other explanatory information [abstract]  
Schedule of trade receivables
     
      Consolidated
  12/31/2023   12/31/2022
Trade receivables      
Third parties      
Domestic market 1,525,773   1,636,804
Foreign market 1,801,677   1,720,056
  3,327,450   3,356,860
Estimated losses on doubtful debts (226,053)   (232,830)
  3,101,397   3,124,030
Related parties (Note 22 b)  168,367   109,134
  3,269,764   3,233,164
Schedule of gross accounts receivable from third party customers
       
        Consolidated
    12/31/2023   12/31/2022
Current    2,938,483    2,934,057
Past-due up to 30 days    129,846    163,959
Past-due up to 180 days   36,568   54,452
Past-due over 180 days    222,553    204,392
     3,327,450    3,356,860
Schedule of changes in expected credit losses
       
        Consolidated
    12/31/2023   12/31/2022
Opening balance   (232,830)   (236,927)
Loss estimated     (2,959)     (87)
Recovery and write-offs of receivables      9,736   13,197
Consolidation in the acquisition of companies         (9,013)
Closing balance   (226,053)   (232,830)