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8. INVESTMENTS (Details 2) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
InvestmentsLineItems [Line Items] |  |  |  |
Equity in results of affiliated companies |  | R$ 175,524 | R$ 173,145 |
Eliminations |  |  |  |
To cost of sales |  | (57,908) | (42,806) |
To taxes |  | 19,689 | 14,554 |
Others |  |  |  |
Amortization of fair value - investment in MRS |  | (11,747) | (11,746) |
Others |  | 157 | 2,559 |
Equity in results adjusted |  | 125,715 | 135,706 | R$ 109,111
MRS Logistica S.A. [Member] |  |  |  |
InvestmentsLineItems [Line Items] |  |  |  |
Equity in results of affiliated companies |  | 187,597 | 194,403 |
CBSI - Companhia Brasileira De Servicos De Infraestrutura [Member] |  |  |  |
InvestmentsLineItems [Line Items] |  |  |  |
Equity in results of affiliated companies | [1] | 6,695 | 4,501 |
Transnordestina Logistica S.A. [Member] |  |  |  |
InvestmentsLineItems [Line Items] |  |  |  |
Equity in results of affiliated companies |  | (17,100) | (20,429) |
Arvedi Metalfer Do Brasil S.A. [Member] |  |  |  |
InvestmentsLineItems [Line Items] |  |  |  |
Equity in results of affiliated companies |  | (1,682) | (5,087) |
Others [Member] |  |  |  |
InvestmentsLineItems [Line Items] |  |  |  |
Equity in results of affiliated companies |  | R$ 14 | R$ (243) |
[1] | Refers to the equity in results of affiliated companies until November 30, 2019.

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