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TRADE ACCOUNTS RECEIVABLE - Changes in impairment (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
TRADE ACCOUNTS RECEIVABLE |  |  |
Financial assets at beginning of year | R$ 9,451,689 |  |
Financial assets at end of year | 8,112,935 | R$ 9,451,689 |
Trade accounts receivable |  |  |
TRADE ACCOUNTS RECEIVABLE |  |  |
Financial assets at beginning of year | 4,999,004 |  |
Financial assets at end of year | 4,875,394 | 4,999,004 |
Trade accounts receivable | Impairment |  |  |
TRADE ACCOUNTS RECEIVABLE |  |  |
Financial assets at beginning of year | (92,587) | (107,772) | R$ (137,146)
Impairment on financial assets during the year | (37,609) | (29,445) | (55,731)
Recoveries in the year | 26,719 | 29,364 | 56,088
Write-offs | 9,736 | 11,313 | 9,892
Loss of control of subsidiary |  |  | 23,203
Exchange variation | 3,855 | 3,953 | (4,078)
Financial assets at end of year | R$ (89,886) | R$ (92,587) | R$ (107,772)

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