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EXPENSES BY NATURE - Classified by function (Details) - BRL (R$)
R$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
EXPENSES BY NATURE      
Cost of sales R$ (57,527,721) R$ (37,884,102) R$ (35,440,726)
Selling expenses (715,830) (512,950) (476,339)
General and administrative expenses (1,390,121) (1,017,435) (954,117)
Other operating income 979,760 1,763,684 636,847
Other operating expenses (460,029) (645,985) (187,647)
Eletrobras compulsory loan recovery 1,391,280 0 0
Results in operations with subsidiary and joint ventures (162,913) 0 0
Impairment of financial assets 357 (64,132) (21,044)
Impairment of non-financial assets 0 (411,925) 0
Total Expenses R$ (57,885,217) R$ (38,772,845) R$ (36,443,026)