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LOANS, FINANCING AND DEBENTURES - Breakdown by currency (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | ---
LOANS, FINANCING AND DEBENTURES |  |  |
Borrowings | R$ 63,684,326 | R$ 35,737,509 | R$ 12,191,856
Brazilian Reais |  |  |
LOANS, FINANCING AND DEBENTURES |  |  |
Borrowings | 17,362,903 | 9,358,142 |
USD |  |  |
LOANS, FINANCING AND DEBENTURES |  |  |
Borrowings | 45,460,138 | 26,217,850 |
Selic |  |  |
LOANS, FINANCING AND DEBENTURES |  |  |
Borrowings | 807,358 |  |
Currency basket |  |  |
LOANS, FINANCING AND DEBENTURES |  |  |
Borrowings | R$ 53,927 | R$ 161,517 |

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