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29. REVENUE (Details 2) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Disclosure of revenue [line items] |  |  |  |
Other revenue |  | R$ 1,722 | R$ 1,585 | R$ 1,484
Tariff Subsidies [Member] |  |  |  |
Disclosure of revenue [line items] |  |  |  |
Other revenue | [1] | 1,266 | 1,136 | 1,034
Services rendered [Member] |  |  |  |
Disclosure of revenue [line items] |  |  |  |
Other revenue |  | 183 | 188 | 156
Charged Service [Member] |  |  |  |
Disclosure of revenue [line items] |  |  |  |
Other revenue |  | 17 | 14 | 10
Rental And Leasing [Member] |  |  |  |
Disclosure of revenue [line items] |  |  |  |
Other revenue |  | 189 | 90 | 121
Telecommunication Services [Member] |  |  |  |
Disclosure of revenue [line items] |  |  |  |
Other revenue |  |  |  | 149
Other [member] |  |  |  |
Disclosure of revenue [line items] |  |  |  |
Other revenue |  | 2 | 12 | R$ 14
Reimbursement For Decontracted Supply [Member] |  |  |  |
Disclosure of revenue [line items] |  |  |  |
Other revenue |  | R$ 65 | R$ 145 |
[1] | Revenue recognized for the tariff subsidies applied to users of distribution and transmission services, including low income tariff incentive refunded by Eletrobras.

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- Definition The amount of revenue arising from sources that the entity does not separately disclose in the same statement or note. [Refer: Revenue] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_112_c&doctype=Standard -URIDate 2019-03-27 + Details
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