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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)

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