XML 168 R150.htm IDEA: XBRL DOCUMENT
v3.21.1

17 Property, Plant and Equipment (Details 6) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Generation [member] | General Equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Average rate of depreciation | 6.26% | 6.33% | 6.25%
Generation [member] | Machinery and Equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Average rate of depreciation | 3.39% | 3.67% | 3.56%
Generation [member] | Generators [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Average rate of depreciation | 3.73% | 3.38% | 3.34%
Generation [member] | Reservoirs, Dams and Aqueducts [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Average rate of depreciation | 2.68% | 2.50% | 2.21%
Generation [member] | Hydraulic Turbines [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Average rate of depreciation | 2.93% | 2.89% | 2.60%
Generation [member] | Gas and Steam Turbines [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Average rate of depreciation | 2.00% | 2.00% | 2.00%
Generation [member] | Water Cooling and Treatment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Average rate of depreciation | 4.00% | 4.00% | 4.00%
Generation [member] | Gas Conditioner [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Average rate of depreciation | 4.00% | 4.00% | 4.00%
Generation [member] | Wind Power Plant Unit [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Average rate of depreciation | 4.94% | 5.49% | 3.71%
Central Management [member] | Buildings [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Average rate of depreciation | 3.35% | 3.35% | 3.35%
Central Management [member] | Machinery and Office Equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Average rate of depreciation | 6.25% | 6.25% | 6.25%
Central Management [member] | Furniture and Fixtures [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Average rate of depreciation | 6.25% | 6.25% | 6.25%
Central Management [member] | Vehicles [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Average rate of depreciation | 14.29% | 14.29% | 14.29%
Telecommunications [member] | Infrastructure Last Mile [member] | Bottom Of Range [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Average rate of depreciation | 17.00% | 17.00% | 3.00%
Telecommunications [member] | Infrastructure Last Mile [member] | Top Of Range [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Average rate of depreciation | 25.00% | 25.00% | 17.00%
Telecommunications [member] | Other Infrastructure Equipment[member] | Bottom Of Range [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Average rate of depreciation | 7.00% | 7.00% | 7.00%
Telecommunications [member] | Other Infrastructure Equipment[member] | Top Of Range [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Average rate of depreciation | 20.00% | 20.00% | 20.00%
Telecommunications [member] | Infrastructure backbone [member] | Bottom Of Range [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Average rate of depreciation | 3.00% | 3.00% | 3.00%
Telecommunications [member] | Infrastructure backbone [member] | Top Of Range [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Average rate of depreciation | 5.00% | 5.00% | 5.00%

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