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29 ADDITIONAL INFORMATION TO CASH FLOWS (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Additional Information To Cash Flows [Abstract] |  |  |  |
Income tax and social contribution paid | [1] | R$ 1,167,419 | R$ 336,962 | R$ 268,847
Addition to PP&E with interest capitalization (note 10 and 25) |  | 117,189 | 71,611 | 91,957
Initial adoption IFRS 16 - Right of use (note 9a) |  | 640,989 |  |
Remeasurement - Right of use (note 9a) |  | (151,558) |  |
Acquisition of fixed assets through a loan, net of taxes | [2] | 78,098 | 10,792 | 4,265
Acquisition of fixed assets by auction |  | 200,115 |  |
Non-monetary transaction with joint venture |  |  |  | 20,264
Net additional cash |  | R$ 2,052,252 | R$ 419,365 | R$ 385,333
[1] | For calendar year 2019, the Company opted for taxation based on the quarterly actual profit, according art. 9,430/96, with income tax and social contribution due being paid in a single installment, until the last business day of the month following the end of each quarter.
[2] | In 2019, fixed assets were acquired through a loan in the amount of R$100,661, net of recoverable taxes of R$22,563.

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- Definition The cash outflow from addition to PP&amp;E with interest capitalization. + References No definition available. + Details
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- Definition The cash outflow from a income tax and social contribution paid. + References No definition available. + Details
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- Definition Amount refers to the net additionl cash. + References No definition available. + Details
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- Definition The cash out flow from non monetary transaction with joint venture. + References No definition available. + Details
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