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33. FINANCIAL INSTRUMENTS AND RISK MANAGEMENT (Details 3) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Disclosure of detailed information about financial instruments [abstract] |  |
Balance | R$ 507 | R$ 1,150
Variation in fair value | 48 | 187
Written down, due to exercise of Put | (555) | (830)
Balance |  | R$ 507

X
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- Definition The increase (decrease) in the fair value measurement of liabilities. [Refer: At fair value [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2019-01-01 -Paragraph 93 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2019-en-r&anchor=para_93_e&doctype=Standard -URIDate 2019-03-27 + Details
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