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LOANS AND FINANCING - Principal and Interest (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
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LOANS AND FINANCING |  |
Principal amount of loans and Financing | R$ 12,958,565 | R$ 13,178,457
Interest accrued of loans and Financing | 180,258 | 189,384
Total Loans and Financing | R$ 13,138,823 | R$ 13,367,841

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