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19. PROPERTY, PLANT AND EQUIPMENT (Details 2)	12 Months Ended
	Dec. 31, 2019
General Equipment [Member] | Administration Unit [Member]
Disclosure of detailed information about property, plant and equipment [line items]
Property plant and equipment depreciation rate	6.25%
IT Equipment In General [Member] | Administration Unit [Member]
Disclosure of detailed information about property, plant and equipment [line items]
Property plant and equipment depreciation rate	16.67%
Buildings - Other [Member] | Administration Unit [Member]
Disclosure of detailed information about property, plant and equipment [line items]
Property plant and equipment depreciation rate	3.33%
Buildings - Other [Member] | Generation Unit [Member]
Disclosure of detailed information about property, plant and equipment [line items]
Property plant and equipment depreciation rate	3.33%
Town Planning and Improvements [Member] | Generation Unit [Member]
Disclosure of detailed information about property, plant and equipment [line items]
Property plant and equipment depreciation rate	3.33%
Command Station, Panel and Cubicle [Member] | Generation Unit [Member]
Disclosure of detailed information about property, plant and equipment [line items]
Property plant and equipment depreciation rate	3.57%
Pressure tunnel [Member] | Generation Unit [Member]
Disclosure of detailed information about property, plant and equipment [line items]
Property plant and equipment depreciation rate	3.13%
Water Turbine [Member] | Generation Unit [Member]
Disclosure of detailed information about property, plant and equipment [line items]
Property plant and equipment depreciation rate	2.50%
Generator [Member] | Generation Unit [Member]
Disclosure of detailed information about property, plant and equipment [line items]
Property plant and equipment depreciation rate	3.33%
Buildings - Machine Room [Member] | Generation Unit [Member]
Disclosure of detailed information about property, plant and equipment [line items]
Property plant and equipment depreciation rate	2.00%
Reservoirs Dams and Water Courses [Member] | Generation Unit [Member]
Disclosure of detailed information about property, plant and equipment [line items]
Property plant and equipment depreciation rate	2.00%
Vehicles [Member] | Administration Unit [Member]
Disclosure of detailed information about property, plant and equipment [line items]
Property plant and equipment depreciation rate	14.29%
Computer Software [Member] | Administration Unit [Member]
Disclosure of detailed information about property, plant and equipment [line items]
Property plant and equipment depreciation rate	20.00%

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- Definition

Property plant and equipment depreciation rate.

+ References

No definition available.

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

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