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Short-term Investments - Summary of Short-term Investments (Detail) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure of Short-term Investments [line items] |  |
Equity securities | R$ 240 | R$ 8,518
Short-term investments | 2,937,029 | 2,770,589
Bonds [member] |  |
Disclosure of Short-term Investments [line items] |  |
Listed securities | 2,927,002 | 2,752,743
Investment funds [member] |  |
Disclosure of Short-term Investments [line items] |  |
Unlisted securities | R$ 9,787 | R$ 9,328

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- Details
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- Details
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