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5. TRADE RECEIVABLES (Details 2) - BRL (R$) R$ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Trade Receivables
Allowance for doubtful debts, beginning	R$ (172,782)	R$ (151,733)
Estimated losses	(36,697)	(25,474)
Recovery of receivables	17,500	4,425
Allowance for doubtful debts, ending	R$ (191,979)	R$ (172,782)

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- Definition

The increase (decrease) in other provisions. [Refer: Other provisions]

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The amount of provisions other than provisions for employee benefits. [Refer: Provisions]

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The amount of reversals of provisions that the entity does not separately disclose in the same statement or note. [Refer: Provisions]

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