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14. INCOME TAX AND SOCIAL CONTRIBUTION (Details) - BRL (R$) R$ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax And Social Contribution Details
Income tax and social contribution income (expense), current	R$ (358,981)	R$ (206,178)	R$ (135,671)
Income tax and social contribution income (expense), deferred	(50,128)	(60,368)	(2,767,545)
Income tax and social contribution income (expense)	R$ (409,109)	R$ (266,546)	R$ (2,903,216)

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The amount of income taxes payable (recoverable) in respect of the taxable profit (tax loss) for a period.

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The amount of tax expense (income) relating to changes in deferred tax liabilities and deferred tax assets. [Refer: Deferred tax assets; Deferred tax liabilities]

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The aggregate amount included in the determination of profit (loss) for the period in respect of current tax and deferred tax that relate to continuing operations. [Refer: Continuing operations [member]; Current tax expense (income); Deferred tax expense (income)]

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