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27. PROVISIONS (Details Narrative) - BRL (R$) R$ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2006
Disclosure of other provisions [line items] |  |  |
Equity Interest | 1100.00% |  |
Penalty payment | R$ 27 |  |
Labor Claims [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 1,679 | R$ 1,725 |
Estimated probably contingent amount | 487 | 457 |
Alteration Of The Monetary Updating Index Of Employment-Law Cases [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Estimate contigent liability amount | 106 | 88 |
Provisional contingent amount | 10 |  |
Customers Claims [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 68 | 66 |
Estimated probably contingent amount | 19 | 19 |
Other Civil Proceedings [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 300 | 277 |
Estimated probably contingent amount | 18 | 29 |
Tax Related To Urban Property Tax [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 204 | 160 |
Estimated probably contingent amount | 43 | 46 |
Tax Related To Urban Land Tax To Real Estate Properties [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 79 | 142 |
Estimated probably contingent amount | 4 | 5 |
Social Security Contributions On Profit Sharing Payments [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 1,451 | 1,264 |
Estimated probably contingent amount | 1,213 |  |
Environmental [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 47 | 15 |
Regulatory [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 280 | 260 |
Estimated probably contingent amount | 36 | 37 |
Other legal Actions [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 41 | 36 |
Luz Para Todos' Program [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Estimated probably contingent amount | 4 |  |
Estimate contigent liability amount | 322 | 291 |
Other Legal Proceedings [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Estimated probably contingent amount | 13 | 11 |
Estimate contigent liability amount | 452 | 189 |
Employees [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 289 | 304 |
Indemnity to employees amount |  |  | R$ 178
Indemnity to employees escrow deposit | 282 | 275 | R$ 122
Social Security Contributions [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 112 | 155 |
Non-Homologation Of Offsetting Of Tax Credit [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 160 | 146 |
Income Tax Withheld On Capital Gain [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | R$ 230 | 221 |
Income Tax Withheld On Capital Gain [Member] | Parati S.A [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Equity Interest | 100.00% |  |
Income Tax Withheld On Capital Gain [Member] | Luce Brasil Equity Investment Fund [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Equity Interest | 75.00% |  |
Income Tax Withheld On Capital Gain [Member] | Light SA [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Equity Interest | 13.03% |  |
The Social Contribution Tax On Net Income (CSLL) [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | R$ 400 | 350 |
ICMS (Local State Value Added Tax) [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
ICMS (local state value added tax) amount | 55 |  |
ICMS (local state value added tax) principal amount | 17 |  |
ICMS (local state value added tax) penalty | 27 |  |
ICMS (local state value added tax) interest amount | 11 |  |
Contingency expiry by limitation of time | R$ 89 |  |
ICMS (Local State Value Added Tax) [Member] | Bottom Of Range [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Periodic term | 25 years |  |
Public Lighting Contribution (CIP) [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Estimate contigent liability amount | R$ 959 | 975 |
Periodic term | 20 years |  |
Accounting Of Energy Sale Transactions In The Electricity Trading Chamber (CCEE) [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | R$ 343 | 317 |
Tariff Increases [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 327 | 303 |
Environmental Claims [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 165 | 148 |
Estimate contigent liability amount | R$ 95 | 87 |
Percentage of annual gross operating revenue | 0.50% |  |
Other Contingent Liabilities [Member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | R$ 426 | 412 |
Estimate contigent liability amount | R$ 149 | R$ 90 |

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