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EXPENSES BY NATURE - Classified by nature (Details) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
EXPENSES BY NATURE      
Depreciation and amortisation R$ (2,866,699) R$ (2,658,561) R$ (2,499,104)
Labor expenses (7,367,601) (7,249,811) (5,867,265)
Raw material and consumption material (48,606,561) (43,720,989) (26,945,440)
Freight (4,820,294) (3,898,360) (2,572,293)
Other expenses/income, net (2,151,429) (1,585,863) (476,818)
Eletrobras compulsory loan recovery   1,391,280  
Results in operations with subsidiary and joint ventures   (162,913)  
Impairment of non-financial assets 0 0 (411,925)
Total Expenses R$ (65,812,584) R$ (57,885,217) R$ (38,772,845)