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29. ADDITIONAL INFORMATION TO CASH FLOWS (Details) - BRL (R$) R$ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Additional Information To Cash Flows Details
Income tax and social contribution paid	R$ 268,847	R$ 456,227	R$ 134,920
Addition to PP&E with interest capitalization	91,957	215,794	166,366
Acquisition of fixed assets through loans	4,265	7,437	566,413
Acquisition in subsidiaries without cash	20,264	0	3,229
Total additional information to cash flows	R$ 385,333	R$ 679,458	R$ 870,928

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The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment]

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The cash flows from income taxes paid or refunded.

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