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Loans, Financings and Debentures - Summary of Changes in Loans, Financings and Debentures (Parenthetical) (Detail) R$ in Millions	12 Months Ended
	Dec. 31, 2017 BRL (R$)
Disclosure of detailed information about borrowings [abstract]
Taxes with no cash effect	R$ 10

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- References

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- Definition

Taxes with no cash effect.

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No definition available.

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