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TRADE ACCOUNTS RECEIVABLE - Summary (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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TRADE ACCOUNTS RECEIVABLE |  |
Trade accounts receivable - net, Book Value | R$ 5,414,075 | R$ 3,737,270
Gross cost | in Brazil |  |
TRADE ACCOUNTS RECEIVABLE |  |
Trade accounts receivable - net, Book Value | 2,640,011 | 2,081,740
Gross cost | exports from Brazil |  |
TRADE ACCOUNTS RECEIVABLE |  |
Trade accounts receivable - net, Book Value | 249,834 | 26,121
Gross cost | outside of Brazil |  |
TRADE ACCOUNTS RECEIVABLE |  |
Trade accounts receivable - net, Book Value | 2,632,002 | 1,766,555
Accumulated impairment losses |  |
TRADE ACCOUNTS RECEIVABLE |  |
Trade accounts receivable - net, Book Value | R$ (107,772) | R$ (137,146)

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