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FINANCIAL INSTRUMENTS - Changes in liabilities from Cash Flow from financing activities (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Related parties, net |  |  |
Changes in liabilities from Cash flow from financing activities |  |  |
Beginning of year | R$ 21,970 | R$ (111,499) | R$ (95,445)
Cash transactions |  |  |
Proceeds/(Repayment) from financing activities | 2,721 | 139,556 | (7,777)
Non cash transactions |  |  |
Interest expense on loans and Interest on loans with related parties | 199 | (6,089) | (8,277)
Exchange variation and others |  | 2 |
End of year | 24,890 | 21,970 | (111,499)
Leasing payable |  |  |
Changes in liabilities from Cash flow from financing activities |  |  |
Beginning of year | 918,365 | 856,474 | 804,269
Cash transactions |  |  |
Proceeds/(Repayment) from financing activities | (310,226) | (275,944) | (247,914)
Interest paid on loans and financing | (88,370) | (68,699) | (61,727)
Non cash transactions |  |  |
Interest expense on loans and Interest on loans with related parties | 88,370 | 68,699 | 61,727
Exchange variation and others | 422,504 | 337,835 | 300,119
End of year | 1,030,643 | 918,365 | 856,474
Debt, Debentures and Losses/Gains on financial instruments, net - Derivative instruments |  |  |
Changes in liabilities from Cash flow from financing activities |  |  |
Beginning of year | 14,036,447 | 17,516,322 | 16,047,021
Cash transactions |  |  |
Proceeds/(Repayment) from financing activities | (937,815) | (4,506,918) | (1,963,283)
Interest paid on loans and financing | (968,851) | (1,100,826) | (1,079,981)
Non cash transactions |  |  |
Interest expense on loans and Interest on loans with related parties | 964,607 | 1,059,841 | 1,022,460
Exchange variation and others | (471,214) | 1,068,028 | 3,490,105
End of year | R$ 12,623,174 | R$ 14,036,447 | R$ 17,516,322

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- Definition The increase (decrease) in liabilities arising from financing activities resulting from the effect of changes in foreign exchange rates. [Refer: Liabilities arising from financing activities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 44B -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_44B_c&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The increase (decrease) in liabilities arising from financing activities resulting from financing cash flows. [Refer: Cash flows from (used in) financing activities; Liabilities arising from financing activities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 44B -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_44B_a&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of liabilities for which cash flows were, or future cash flows will be, classified in the statement of cash flows as cash flows from financing activities. [Refer: Cash flows from (used in) financing activities; Liabilities] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 44D -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_44D&doctype=Standard -URIDate 2022-03-24 + Details
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