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27. EMPLOYEE BENEFITS (Details 9) - BRL (R$) R$ in Thousands | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | ---
Disclosure of defined benefit plans [line items] |  |  |
Allocation of plan assets | R$ 3,403,906 | R$ 3,305,356 | R$ 3,193,493
Allocation of plan assets percent | 100.00% | 100.00% |
Variable income |  |  |
Disclosure of defined benefit plans [line items] |  |  |
Allocation of plan assets | R$ 141,705 | R$ 50,966 |
Allocation of plan assets percent | 4.16% | 1.54% |
Fixed income |  |  |
Disclosure of defined benefit plans [line items] |  |  |
Allocation of plan assets | R$ 3,050,099 | R$ 3,085,783 |
Allocation of plan assets percent | 89.61% | 93.36% |
Real estate |  |  |
Disclosure of defined benefit plans [line items] |  |  |
Allocation of plan assets | R$ 52,091 | R$ 44,083 |
Allocation of plan assets percent | 1.53% | 1.33% |
Others |  |  |
Disclosure of defined benefit plans [line items] |  |  |
Allocation of plan assets | R$ 160,011 | R$ 124,524 |
Allocation of plan assets percent | 4.70% | 3.77% |

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- Definition The fair value of defined benefit plan assets. Plan assets comprise assets held by a long-term employee benefit fund and qualifying insurance policies. [Refer: At fair value [member]] + 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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