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18 RELATED-PARTY BALANCES AND TRANSACTIONS (Details 4) - BRL (R$) R$ in Thousands |  | 12 Months Ended
--- | --- | ---
Oct. 15, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
P&L |  |  |  |  |
Total Profit (loss) |  | R$ 1,000,000 | R$ 2,244,511 | R$ 5,200,583 | R$ 111,229
Subsidiaries, Joint Ventures, Associates, Exclusive Funds and Other Related Parties [Member] |  |  |  |  |
P&L |  |  |  |  |
Sales |  |  | 1,122,303 | 1,278,751 | 880,145
Purchases |  |  | (1,958,958) | (1,418,282) | (1,176,930)
Financial income (expenses), net |  |  | 79,228 | 48,796 | 61,549
Exchange rate variations, net |  |  | (147,357) | 13,611 |
Total Profit (loss) |  |  | (904,253) | (77,124) | (235,236)
Subsidiaries, Joint Ventures, Associates, Exclusive Funds and Other Related Parties [Member] | Arvedi Metalfer do Brasil S.A. [Member] |  |  |  |  |
P&L |  |  |  |  |
Sales |  |  | 75,630 | 100,608 | 2,660
Financial income (expenses), net |  |  | 479 | 234 | 1,998
Total Profit (loss) |  |  | 76,109 | 100,842 | 4,658
Subsidiaries, Joint Ventures, Associates, Exclusive Funds and Other Related Parties [Member] | Banco Fibra [Member] |  |  |  |  |
P&L |  |  |  |  |
Financial income (expenses), net | [1] |  | 20,499 | 14,651 | 6,290
Exchange rate variations, net | [1] |  | 3,586 | 13,611 |
Total Profit (loss) | [1] |  | 24,085 | 28,262 | 6,290
Subsidiaries, Joint Ventures, Associates, Exclusive Funds and Other Related Parties [Member] | Usiminas [Member] |  |  |  |  |
P&L |  |  |  |  |
Purchases |  |  | (479,868) | (382) | (427)
Exchange rate variations, net |  |  | (136,004) |  |
Total Profit (loss) |  |  | (630,538) | (382) | (427)
Subsidiaries, Joint Ventures, Associates, Exclusive Funds and Other Related Parties [Member] | Panatlantica [Member] |  |  |  |  |
P&L |  |  |  |  |
Sales | [2] |  | 1,043,382 | 1,174,984 | 872,047
Purchases | [2] |  | (100,482) | (94,515) | (43,949)
Total Profit (loss) | [2] |  | 942,900 | 1,080,469 | 828,098
Subsidiaries, Joint Ventures, Associates, Exclusive Funds and Other Related Parties [Member] | Vicunha Acos S.A [Member] |  |  |  |  |
P&L |  |  |  |  |
Sales |  |  | 202 |  |
Purchases |  |  | (321) |  |
Total Profit (loss) |  |  | (119) |  |
Subsidiaries, Joint Ventures, Associates, Exclusive Funds and Other Related Parties [Member] | Other Related Parties [Member] |  |  |  |  |
P&L |  |  |  |  |
Sales |  |  | 3,620 | 2,745 |
Purchases |  |  | (14,004) | (11,190) |
Total Profit (loss) |  |  | (10,384) | (8,445) |
Subsidiaries, Joint Ventures, Associates, Exclusive Funds and Other Related Parties [Member] | Total Other Related Parties [Member] |  |  |  |  |
P&L |  |  |  |  |
Sales |  |  | 1,047,204 | 1,177,729 | 874,881
Purchases |  |  | (594,675) | (110,588) | (51,702)
Financial income (expenses), net |  |  | 20,499 | 14,651 | 6,290
Exchange rate variations, net |  |  | (132,418) | 13,611 |
Total Profit (loss) |  |  | 340,610 | 1,095,403 | 829,469
Subsidiaries, Joint Ventures, Associates, Exclusive Funds and Other Related Parties [Member] | Ibis Participacoes e Servicos [Member] |  |  |  |  |
P&L |  |  |  |  |
Purchases |  |  |  | (4,501) | (5,915)
Total Profit (loss) |  |  |  | (4,501) | (5,915)
Subsidiaries, Joint Ventures, Associates, Exclusive Funds and Other Related Parties [Member] | Fundacao CSN [Member] |  |  |  |  |
P&L |  |  |  |  |
Sales |  |  |  |  | 13
Purchases |  |  |  |  | (1,118)
Total Profit (loss) |  |  |  |  | (1,105)
Subsidiaries, Joint Ventures, Associates, Exclusive Funds and Other Related Parties [Member] | Partfib Projetos Imobiliarios [Member] |  |  |  |  |
P&L |  |  |  |  |
Sales |  |  |  |  | 2,821
Total Profit (loss) |  |  |  |  | 2,821
Subsidiaries, Joint Ventures, Associates, Exclusive Funds and Other Related Parties [Member] | Vicunha Imoveis Ltda. [Member] |  |  |  |  |
P&L |  |  |  |  |
Purchases |  |  |  |  | (232)
Total Profit (loss) |  |  |  |  | (232)
Subsidiaries, Joint Ventures, Associates, Exclusive Funds and Other Related Parties [Member] | Vicunha Servicos Ltda. [Member] |  |  |  |  |
P&L |  |  |  |  |
Purchases |  |  |  |  | (61)
Total Profit (loss) |  |  |  |  | (61)
Subsidiaries, Joint Ventures, Associates, Exclusive Funds and Other Related Parties [Member] | Ita Energetica S.A. [Member] |  |  |  |  |
P&L |  |  |  |  |
Purchases |  |  | (57,285) |  | (32,275)
Total Profit (loss) |  |  | (57,285) |  | (32,275)
Subsidiaries, Joint Ventures, Associates, Exclusive Funds and Other Related Parties [Member] | MRS Logistica S.A. [Member] |  |  |  |  |
P&L |  |  |  |  |
Purchases |  |  | (1,068,563) | (1,111,695) | (934,279)
Financial income (expenses), net |  |  |  | (16,092) |
Exchange rate variations, net |  |  | (14,939) |  |
Total Profit (loss) |  |  | (1,083,502) | (1,127,787) | (934,279)
Subsidiaries, Joint Ventures, Associates, Exclusive Funds and Other Related Parties [Member] | CBSI - Companhia Brasileira de Servicos e Infraestrutura [Member] |  |  |  |  |
P&L |  |  |  |  |
Sales |  |  |  | 47 | 55
Purchases |  |  | (231,141) | (180,332) | (150,758)
Total Profit (loss) |  |  | (231,141) | (180,285) | (150,703)
Subsidiaries, Joint Ventures, Associates, Exclusive Funds and Other Related Parties [Member] | Transnordestina Logistica S.A [Member] |  |  |  |  |
P&L |  |  |  |  |
Sales | [3] |  |  | 367 | 2,549
Purchases | [3] |  | (7,294) | (15,667) | (7,916)
Financial income (expenses), net | [3] |  | 58,250 | 50,003 | 53,261
Total Profit (loss) | [3] |  | 50,956 | 34,703 | 47,894
Subsidiaries, Joint Ventures, Associates, Exclusive Funds and Other Related Parties [Member] | Joint-venture and Joint-operation [Member] |  |  |  |  |
P&L |  |  |  |  |
Sales |  |  |  | 414 | 2,604
Purchases |  |  | (1,364,283) | (1,307,694) | (1,125,228)
Financial income (expenses), net |  |  | 58,250 | 33,911 | 53,261
Exchange rate variations, net |  |  | (14,939) |  |
Total Profit (loss) |  |  | R$ (1,320,972) | R$ (1,273,369) | R$ (1,069,363)
[1] | Banco Fibra S.A: Assets: Refers mainly to Eurobond from Fibra Bank with maturity in February 2028.
[2] | Panatlantica: Receivables from the sale of steel products.
[3] | Transnordestina Logistica S.A: Assets: Refers mainly to loan agreements in R$: average rate interest from 125% to 130% of the CDI. As of December 31, 2019, the loans amounted to R$844,426 (R$706,605 as of December 31, 2018).

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