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13. FINANCIAL INSTRUMENTS (Details 8) R$ in Thousands	12 Months Ended
	Dec. 31, 2018 BRL (R$) R$ / €
Disclosure of detailed information about hedged items [line items]
Designated amounts	R$ 2,745,045
Amortized part	(669,000)
Impact on Shareholders' equity	R$ (1,441,295)
Foreign Subsidiaries
Disclosure of detailed information about hedged items [line items]
Designation date	9/1/2015
Hedging instrument	Non-derivative financial liabilities in EUR – Debt contract
Hedged item	Investments in subsidiaries which EUR is the functional currency
Type of hedged risk	Foreign exchange - R$ vs. EUR spot rate
Exchange rate on designation | R$ / €	4.0825
Designated amounts	R$ 120,000
Amortized part	(72,000)
Impact on Shareholders' equity	R$ 3,941

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The spot exchange rate at the end of the reporting period. Exchange rate is the ratio of exchange for two currencies. Spot exchange rate is the exchange rate for immediate delivery.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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The description of financial instruments designated as hedging instruments. Hedging instruments are designated derivatives or (for a hedge of the risk of changes in foreign currency exchange rates only) designated non-derivative financial assets or non-derivative financial liabilities whose fair value or cash flows are expected to offset changes in the fair value or cash flows of a designated hedged item. [Refer: Derivatives [member]; Derivative financial assets; Derivative financial liabilities; Financial instruments, class [member]; Financial assets]

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The description of the nature of risks being hedged.

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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The amount of a hedged item, recognised as an asset. [Refer: Hedged items [member]]

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