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Cash and Cash Equivalents and Financial Investments - Additional Information (Detail) - BRL (R$) R$ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Cash and cash equivalents and financial investments details narrative [abstract]
Cash, cash equivalents, and financial investments	R$ 6,994,406	R$ 6,369,928

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- Definition

Cash and cash equivalents and financial investments details narrative.

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No definition available.

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- Definition

The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

+ References

No definition available.

+ Details

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