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SHORT-TERM DEBT AND LONG-TERM DEBT - Summary (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
LOANS AND FINANCING |  |
Total Loans and Financing | R$ 14,612,934 | R$ 13,138,823
Current | 1,424,043 | 1,544,211
Non-current | R$ 13,188,891 | 11,594,612
Weighted average |  |
LOANS AND FINANCING |  |
Annual charges (as a percent) | 5.34% |
Working capital |  |
LOANS AND FINANCING |  |
Total Loans and Financing | R$ 1,178,557 | 107,312
Working capital | Weighted average |  |
LOANS AND FINANCING |  |
Annual charges (as a percent) | 3.44% |
Financing of property, plant and equipment and others |  |
LOANS AND FINANCING |  |
Total Loans and Financing | R$ 333,797 | 843,099
Financing of property, plant and equipment and others | Weighted average |  |
LOANS AND FINANCING |  |
Annual charges (as a percent) | 3.27% |
Ten/Thirty Year Bonds |  |
LOANS AND FINANCING |  |
Total Loans and Financing | R$ 13,100,580 | R$ 12,188,412
Ten/Thirty Year Bonds | Weighted average |  |
LOANS AND FINANCING |  |
Annual charges (as a percent) | 5.41% |

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