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26. EMPLOYEE BENEFITS (Details 12) - BRL (R$) R$ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Disclosure of net defined benefit liability (asset) [line items]
Present value of obligations	R$ 3,077,849	R$ 2,872,442	R$ 2,430,381
Actuarial liabilities	908,721	719,266
Post-employment healthcare benefits
Disclosure of net defined benefit liability (asset) [line items]
Present value of obligations	866,784	691,262
Actuarial liabilities	R$ 866,784	R$ 691,262	R$ 489,074

X

- References

No definition available.

+ Details

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X

- 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 2017-01-01
-Paragraph 57
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_57_a&doctype=Standard
-URIDate 2017-03-09

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

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