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31 Net Operating Revenue (Details Narrative) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure of net operating revenue [line items] |  |
Annual tariff review and authorized average rate | 3.41% | 15.99%
High voltage consumers percentage | 4.32% |
Low voltage consumers percentage | 2.92% |
Financial Components [Member] |  |
Disclosure of net operating revenue [line items] |  |
Annual tariff review and authorized average rate | 10.54% |
Updating Portion B [Member] |  |
Disclosure of net operating revenue [line items] |  |
Annual tariff review and authorized average rate | 1.12% |
Adjusting Portion A [Member] |  |
Disclosure of net operating revenue [line items] |  |
Annual tariff review and authorized average rate | (3.08%) |
Withdrawal Of The Financial Components From The Previous Tariff Process [Member] |  |
Disclosure of net operating revenue [line items] |  |
Annual tariff review and authorized average rate | (5.17%) |

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