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4 FINANCIAL INVESTMENTS (Tables) | 12 Months Ended
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Dec. 31, 2019
Financial investments [Abstract] |
Schedule of financial investment |
| Consolidated
| Current |  | Non Current
| 12/31/2019 |  | 12/31/2018 |  | 12/31/2019 |  | 12/31/2018
CDB - Certificate of bank deposit (1) | 481,409 |  | 882,376 |  |  |  |
Government securities (2) | 37,144 |  | 13,337 |  |  |  |
Time Deposit (3) |  |  |  |  |  |  | 7,772
Usiminas shares(4) | 2,114,620 |  |  |  |  |  |
Bonds(5) |  |  |  |  | 95,719 |  |
| 2,633,173 |  | 895,713 |  | 95,719 |  | 7,772
(1) Financial investment with restricted modality and linked to Bank Certificate of Deposit to secure a letter of guarantee from financial institutions. (2) Investments in National Treasury Bills (LFT) managed by its exclusive funds. (3) As of December 31, 2019, the investments in Time Deposit in custody to cover additional expenses of the sale of LLC was fully redeemed. (4) In December 2019, the Company opted to reclassify Usiminas' investment to current assets (see notes 8.f and 12.II), and part of the shares guarantees a portion of the Company's debt. (5) Bonds with Fibra Bank due in February 2028.

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