XML 115 R143.htm IDEA: XBRL DOCUMENT
v3.20.1

17 Property, Plant and Equipment (Details 6) | 12 Months Ended
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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 | 6.33% | 6.25%
Generation [Member] | Machinery and Equipment [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Average rate of depreciation | 3.67% | 3.56%
Generation [Member] | Generators [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Average rate of depreciation | 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 | 2.50% | 2.21%
Generation [Member] | Hydraulic Turbines [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Average rate of depreciation | 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%
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%
Generation [Member] | Gas Conditioner [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Average rate of depreciation | 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 | 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%
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%
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%
Central Management [Member] | Vehicles [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Average rate of depreciation | 14.29% | 14.29%
Telecommunications [Member] | Transmission Equipment [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Average rate of depreciation | 6.36% | 4.77%
Telecommunications [Member] | Terminal Equipment [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Average rate of depreciation |  | 9.96%
Telecommunications [Member] | Terminal Equipment [Member] | Bottom Of Range [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Average rate of depreciation | 3.00% | 3.00%
Telecommunications [Member] | Terminal Equipment [Member] | Top Of Range [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Average rate of depreciation | 5.00% | 5.00%
Telecommunications [Member] | Infrastructure [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Average rate of depreciation |  | 10.37%
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% | 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% | 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%
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%

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