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FINANCIAL INSTRUMENTS AND RISKS MANAGEMENT - Derivatives outstanding by type of contract, classified (Details) - BRL (R$) R$ in Thousands	Dec. 31, 2020	Dec. 31, 2019
FINANCIAL INSTRUMENTS AND RISKS MANAGEMENT
Current assets	R$ 484,043	R$ 260,273
Non-current assets	857,377	838,699
Current liabilities	(1,991,118)	(893,413)
Non-current liabilities	(6,126,282)	(2,024,500)
Total, net	R$ (6,775,980)	R$ (1,818,941)
Devaluation , real to US $	40.00%

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

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

+ References

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X

- Definition

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

+ References

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- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

No definition available.

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- Definition

Percentage of devaluation of real to US $ due to covid impact.

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No definition available.

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