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NET FINANCIAL RESULT (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
NET FINANCIAL RESULT |  |  |
Interest on loans, financing and debentures | R$ (3,358,806) | R$ (1,033,485) | R$ (988,382)
Amortization of fundraising costs | (220,642) | (44,499) | (49,517)
Other financial expenses | (600,948) | (422,390) | (180,577)
Amortization of fair value adjustment on business combination with Fibria | 1,548 |  |
Financial expenses | (4,178,848) | (1,500,374) | (1,218,476)
Marketable securities | 392,018 | 442,378 | 285,888
Other financial income | 63,816 | 17,329 | 19,890
Amortization of fair value adjustment on business combination with Fibria | 37,412 |  |
Financial income | 493,246 | 459,707 | 305,778
Income | 2,711,394 | 588,049 | 332,961
Expenses | (3,786,646) | (3,323,245) | (259,690)
Income from derivative financial instruments | (1,075,252) | (2,735,196) | 73,271
Exchange rate variation on loans, financing and debentures | (1,764,035) | (1,311,061) | (163,418)
Monetary and exchange variations - other assets and liabilities | (200,892) | 244,411 | (15,995)
Monetary and exchange rate variation, net | (1,964,927) | (1,066,650) | (179,413)
Financial result, net | (6,725,781) | (4,842,513) | R$ (1,018,840)
Capitalized interest costs on loans, financing and debentures | 4,213 | 1,772 |
Interest expense from FIDC | R$ 770 | R$ 2,268 |

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