EQUITY - Operations with non-controlling interests (Details) - BRL (R$) R$ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Capital
Effect of interest changes in subsidiaries	R$ (1,586)	R$ (85,477)	R$ (19,194)
Total Parent company's interest
Capital
Effect of interest changes in subsidiaries		6	2,504
Non-controlling interests
Capital
Changes in the Paraopeba- Fixed Income Investment Fund	(1,586)	(85,483)	(21,698)
Effect of interest changes in subsidiaries	R$ (1,586)	R$ (85,483)	R$ (21,698)

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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The increase (decrease) in the entity's equity resulting from the change in the equity of subsidiaries. [Refer: Subsidiaries [member]]

+ References

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The increase (decrease) in equity resulting from changes that the entity does not separately disclose in the same statement or note. [Refer: Equity]

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