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12 FINANCIAL INSTRUMENTS (Details 1) - BRL (R$) R$ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Disclosure of detailed information about financial instruments [line items]
Current financial assets at fair value through profit or loss	R$ 5,398	R$ 4,854
Non-current financial assets at fair value through profit or loss	51,503	2,279,189
Total Financial assets at fair value through profit or loss	56,901	2,284,043
Level 1 of fair value hierarchy [member]
Disclosure of detailed information about financial instruments [line items]
Total Financial assets at fair value through profit or loss	51,334	2,283,692
Level 2 of fair value hierarchy [member]
Disclosure of detailed information about financial instruments [line items]
Total Financial assets at fair value through profit or loss	5,567	351
Trading Securities [Member]
Disclosure of detailed information about financial instruments [line items]
Current financial assets at fair value through profit or loss	4,034	4,503
Trading Securities [Member] | Level 1 of fair value hierarchy [member]
Disclosure of detailed information about financial instruments [line items]
Current financial assets at fair value through profit or loss	4,034	4,503
Investments [Member]
Disclosure of detailed information about financial instruments [line items]
Non-current financial assets at fair value through profit or loss	47,300	2,279,189
Investments [Member] | Level 1 of fair value hierarchy [member]
Disclosure of detailed information about financial instruments [line items]
Non-current financial assets at fair value through profit or loss	47,300	2,279,189
Derivative Financial Instruments [Member]
Disclosure of detailed information about financial instruments [line items]
Current financial assets at fair value through profit or loss	1,364	351
Non-current financial assets at fair value through profit or loss	4,203
Derivative Financial Instruments [Member] | Level 2 of fair value hierarchy [member]
Disclosure of detailed information about financial instruments [line items]
Current financial assets at fair value through profit or loss	1,364	R$ 351
Non-current financial assets at fair value through profit or loss	R$ 4,203

X

- Definition

The amount of current financial assets measured at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss]

+ References

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The amount of financial assets that are measured at fair value and for which gains (losses) are recognised in profit or loss. A financial asset shall be measured at fair value through profit or loss unless it is measured at amortised cost or at fair value through other comprehensive income. A gain (loss) on a financial asset measured at fair value shall be recognised in profit or loss unless it is part of a hedging relationship, it is an investment in an equity instrument for which the entity has elected to present gains and losses in other comprehensive income or it is a financial asset measured at fair value through other comprehensive income. [Refer: At fair value [member]; Financial assets]

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