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Financial Instruments and Risks - Derivatives Outstanding by Type of Contract, Classified (Details) - BRL (R$) R$ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Financial Instruments and Risks
Current assets	R$ 352,454	R$ 77,090
Non-current assets	141,480	56,820
Current liabilities	(596,530)	(23,819)
Non-current liabilities	(1,040,170)	(104,077)
Total, net	R$ (1,142,766)	R$ 6,014

X

- Definition

The amount of current derivative financial assets. [Refer: Derivative financial assets]

+ References

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- Definition

The amount of current derivative financial liabilities. [Refer: Derivative financial liabilities]

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