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TAX CREDITS - Current and Non-current (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Disclosure of Tax credits |  |
Tax credits - current | R$ 402,429 | R$ 504,429
Tax credits - non-current | 30,841 | 56,703
Tax credits |  |
Disclosure of Tax credits |  |
Tax credits - current | 402,429 | 504,429
Tax credits - non-current | 30,841 | 56,703
Tax credits - current and non-current | 433,270 | 561,132
ICMS (state VAT) |  |
Disclosure of Tax credits |  |
Tax credits - current | 155,096 | 130,718
Tax credits - non-current | 26,135 | 50,757
Social security financing |  |
Disclosure of Tax credits |  |
Tax credits - current | 91,229 | 173,453
Tax credits - non-current | 360 | 2,294
Financing of social integration program |  |
Disclosure of Tax credits |  |
Tax credits - current | 20,242 | 35,135
IPI (Federal VAT) |  |
Disclosure of Tax credits |  |
Tax credits - current | 59,982 | 48,751
IVA (Value added tax) |  |
Disclosure of Tax credits |  |
Tax credits - current | 48,139 | 85,674
Others |  |
Disclosure of Tax credits |  |
Tax credits - current | 27,741 | 30,698
Financing of social integration program and others |  |
Disclosure of Tax credits |  |
Tax credits - non-current | R$ 4,346 | R$ 3,652

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