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Risk and Capital Management - Summary of Liquidity Indicators (Parenthetical) (Detail) - BRL (R$) R$ in Millions | Dec. 31, 2018 | Dec. 31, 2017
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Disclosure of liquidity risk indicators [abstract] |  |
Present value of financial assets | R$ 1,001,240 | R$ 933,686

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- Definition Disclosure of liquidity risk indicators [abstract] + References No definition available. + Details
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- Definition Present value of liquid financial assets. + References No definition available. + Details
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