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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
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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% |

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- Definition The amount of current derivative financial assets. [Refer: Derivative financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_55&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of current derivative financial liabilities. [Refer: Derivative financial liabilities] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_55&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of non-current derivative financial assets. [Refer: Derivative financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_55&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of non-current derivative financial liabilities. [Refer: Derivative financial liabilities] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_55&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition Percentage of devaluation of real to US $ due to covid impact. + References No definition available. + Details
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