LOANS AND FINANCING - Principal and Interest (Details) - BRL (R$) R$ in Thousands	Dec. 31, 2017	Dec. 31, 2016
LOANS AND FINANCING
Principal amount of loans and Financing	R$ 16,207,120	R$ 20,049,854
Interest accrued of loans and Financing	254,536	367,956
Total Loans and Financing	R$ 16,461,656	R$ 20,417,810

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard
-URIDate 2017-03-09

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