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27. EMPLOYEE BENEFITS (Details 12) - BRL (R$) R$ in Thousands | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | ---
Disclosure of net defined benefit liability (asset) [line items] |  |  |
Present value of obligations | R$ 3,087,433 | R$ 3,077,849 | R$ 2,872,442
Actuarial liabilities | 905,119 | 908,721 |
Post-employment healthcare benefits |  |  |
Disclosure of net defined benefit liability (asset) [line items] |  |  |
Present value of obligations | 897,137 | 866,784 |
Actuarial liabilities | R$ 897,137 | R$ 866,784 | R$ 691,262

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- Definition The present value, without deducting any plan assets, of expected future payments required to settle the obligation resulting from employee service in the current and prior periods. [Refer: Plan assets, at fair value] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2018-01-01 -Paragraph 57 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2018-03-01&anchor=para_57_a&doctype=Standard -URIDate 2018-03-16 + Details
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