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EQUITY - Operations with non-controlling interests (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Effects of changes in ownership interests in subsidiaries |  |  |
Effect of interest changes in subsidiaries | R$ 12,776 | R$ (1,586) | R$ (85,477)
Total Parent company's interest |  |  |
Effects of changes in ownership interests in subsidiaries |  |  |
Effect of interest changes in subsidiaries | 0 | 0 | 6
Non-controlling interests |  |  |
Effects of changes in ownership interests in subsidiaries |  |  |
Other changes | 12,776 | (1,586) | (85,483)
Effect of interest changes in subsidiaries | R$ 12,776 | R$ (1,586) | R$ (85,483)

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- Definition The increase (decrease) in the entity's equity resulting from the change in the equity of subsidiaries. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_106_d&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The increase (decrease) in equity resulting from changes that the entity does not separately disclose in the same statement or note. [Refer: Equity] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_106_d&doctype=Standard -URIDate 2020-01-01 + Details
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