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32. RELATED PARTY TRANSACTIONS (Details Narrative) - BRL (R$) R$ in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Dec. 27, 2019 | Nov. 25, 2019 | Dec. 31, 2019 | Dec. 31, 2017
Disclosure of transactions between related parties [line items] |  |  |  |
Deliver contracted supply amount |  |  | R$ 40 |
Loss on realization of the receivables |  |  | R$ 688 |
In-court reorganization loan amount | R$ 65 | R$ 10 |  |
Description of contract interest rate |  |  | The contracts specify interest equal to 100% of the accumulated variation in the DI rate, plus an annual spread, applied pro rata die (on 252-business-days basis), of 1.083% for the DIP contract and 2.5% for the DIP2 contract, up to the date of respective full payment. |
Percentage of principal amount |  |  | 120.00% |
Eletrobras [Member] |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |
Advance payments |  |  | R$ 70 |
Santo Antonio Energia [Member] |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |
Advance payments |  |  | 52 |
Sa Carvalho [Member] |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |
Advance payments |  |  | 12 |
Rosal [Member] |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |
Advance payments |  |  | 6 |
Related parties [Member] |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |
Aggregate amounts of legal actions |  |  | 98 |
Related parties [Member] | Cemig D [Member] |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |
Public lighting contribution amount |  |  | 190 |
Due and unpaid payment of debits relating to supply of power |  |  |  | R$ 113
Related parties [Member] | Cemig [Member] |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |
Aggregate amounts of legal actions |  |  | 32 |
Jointly-Controlled Entity [Member] | Madeira Energia (Santo Antonio plant) [Member] | Power Purchase Agreements [Member] |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |
Reimbursement for decontracted supply |  |  | 84 |
Outstanding amount |  |  | R$ 4 |

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