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30. ADDITIONAL INFORMATION TO CASH FLOWS (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Additional Information To Cash Flows Details Abstract |  |  |
Income tax and social contribution paid | R$ 336,962 | R$ 268,847 | R$ 456,227
Addition to PP&E with interest capitalization | 71,611 | 91,957 | 215,794
Acquisition of fixed assets through loans | 10,792 | 4,265 | 7,437
Non-monetary transaction with joint venture | 0 | 20,264 |
Total additional information to cash flows | R$ 419,365 | R$ 385,333 | R$ 679,458

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- Definition The cash flows from income taxes paid or refunded. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 35 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_35&doctype=Standard -URIDate 2018-03-16 + Details
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