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FINANCIAL INSTRUMENTS - Sensitivity analysis (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Foreign currency risk |  |
FINANCIAL INSTRUMENTS |  |
Percentage of change | 5.00% | 5.00%
Foreign currency risk | Loans and Financing |  |
FINANCIAL INSTRUMENTS |  |
Percentage of change | 5.00% | 5.00%
Impact on income statement based on change in assumption | R$ 10,197 | R$ (40,693)
Foreign currency risk | Imports/Exports |  |
FINANCIAL INSTRUMENTS |  |
Percentage of change | 5.00% | 5.00%
Impact on income statement based on change in assumption | R$ (28,929) | R$ (73,085)
Foreign currency risk | Swaps USD x DI |  |
FINANCIAL INSTRUMENTS |  |
Percentage of change | 5.00% | 5.00%
Impact on income statement based on change in assumption | R$ 7,604 | R$ 0
Foreign currency risk | Swaps IPCA x DI |  |
FINANCIAL INSTRUMENTS |  |
Percentage of change | 5.00% | 5.00%
Impact on income statement based on change in assumption | R$ (152) | R$ 0
Foreign currency risk | Currency forward contracts |  |
FINANCIAL INSTRUMENTS |  |
Percentage of change | 5.00% | 5.00%
Impact on income statement based on change in assumption | R$ (8,311) | R$ 9,507
Interest rate risk |  |
FINANCIAL INSTRUMENTS |  |
Interest rate change (as a percent) | 0.10% | 0.10%
Impact on income statement based on change in assumption | R$ 29,939 | R$ 32,377
Products sold price risk |  |
FINANCIAL INSTRUMENTS |  |
Percentage of change | 1.00% | 1.00%
Impact on income statement based on change in assumption | R$ 689,164 | R$ 824,122
Raw materials and commodity price risk |  |
FINANCIAL INSTRUMENTS |  |
Percentage of change | 1.00% | 1.00%
Impact on income statement based on change in assumption | R$ 425,232 | R$ 486,066
Commodity contracts |  |
FINANCIAL INSTRUMENTS |  |
Percentage of change | 5.00% | 5.00%
Impact on income statement based on change in assumption | R$ (2,850) | R$ 2,899

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