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25. PROVISIONS (Details Narrative) - BRL (R$) R$ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2006
Labor Claims [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | R$ 1,386 | R$ 1,679 |
Estimated probably contingent amount | 427 | 497 |
Customers Claims [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 142 | 68 |
Estimated probably contingent amount | 23 | 19 |
Other Civil Proceedings [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 359 | 300 |
Estimated probably contingent amount | 32 | 18 |
Tax Related To Urban Property Tax [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 166 | 204 |
Estimated probably contingent amount | 14 | 43 |
Tax Related To Urban Land Tax To Real Estate Properties [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 85 | 79 |
Estimated probably contingent amount | 4 | 4 |
Social Security Contributions On Profit Sharing Payments [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 1,520 | 1,451 |
Estimated probably contingent amount | 1,276 | 1,213 |
Regulatory [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 345 | 280 |
Estimated probably contingent amount | 52 | 36 |
Other legal Actions [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 46 | 41 |
Luz Para Todos' Program [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Estimated probably contingent amount |  | 1 |
Estimate contigent liability amount | 356 | 322 |
Other Legal Proceedings [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Estimated probably contingent amount | 17 | 13 |
Estimate contigent liability amount | 621 | 452 |
Employees [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 295 | 289 |
Indemnity to employees amount |  |  | R$ 178
Indemnity to employees escrow deposit | 286 | 282 | R$ 122
Social Security Contributions [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 110 | 112 |
Non-Homologation Of Offsetting Of Tax Credit [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 203 | 160 |
Income Tax Withheld On Capital Gain [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | R$ 234 | 230 |
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 s.a. ('light') [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$ 425 | 400 |
Public Lighting Contribution (CIP) [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Estimate contigent liability amount | 1,072 | 959 |
Accounting Of Energy Sale Transactions In The Electricity Trading Chamber (CCEE) [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 376 | 343 |
Tariff Increases [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 357 | 327 |
Environmental Claims [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 186 | 165 |
Estimate contigent liability amount | 106 | 95 |
Other Contingent Liabilities [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Contigent liability amount | 448 | 426 |
Estimate contigent liability amount | 167 | R$ 149 |
ICMS (Local State Value Added Tax) [member] |  |  |
Disclosure of other provisions [line items] |  |  |
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$ 107 |  |

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