XML 165 R147.htm IDEA: XBRL DOCUMENT v3.21.1
17 Property, Plant and Equipment (Details 3) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Disclosure of detailed information about property, plant and equipment [line items]    
Property, Plant and Equipment, Depreciation R$ (682,044) R$ (665,182)
Property, Plant and Equipment, Impairment (37,609) (117,744)
Projects [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Property, Plant and Equipment, Cost 4,178,397  
Property, Plant and Equipment, Depreciation (695,049)  
Property, Plant and Equipment, Impairment (1,045,829)  
Property, Plant and Equipment, Value in use 2,437,519 4,178,397
Projects [member] | HPP Colider [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Property, Plant and Equipment, Cost 2,477,374  
Property, Plant and Equipment, Depreciation (167,432)  
Property, Plant and Equipment, Impairment (683,193)  
Property, Plant and Equipment, Value in use 1,626,749 2,477,374
Projects [member] | UEG Araucaria [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Property, Plant and Equipment, Cost 701,736  
Property, Plant and Equipment, Depreciation (441,827)  
Property, Plant and Equipment, Impairment (138,777)  
Property, Plant and Equipment, Value in use 121,132 701,736
Projects [member] | Power Plants In Parana [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Property, Plant and Equipment, Cost 984,823  
Property, Plant and Equipment, Depreciation (85,790)  
Property, Plant and Equipment, Impairment (209,395)  
Property, Plant and Equipment, Value in use 689,638 984,823
In Progress [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Property, Plant and Equipment, Depreciation
Property, Plant and Equipment, Impairment (1,953) 24,689
In Progress [member] | HPP Colider [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Property, Plant and Equipment, Impairment 482
In Progress [member] | Consorcio Tapajos [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Property, Plant and Equipment, Cost [1] 14,464  
Property, Plant and Equipment, Depreciation [1]  
Property, Plant and Equipment, Impairment [1]
Property, Plant and Equipment, Value in use [1] (14,464) 14,464
In Progress [member] | Power Plants In Parana [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Property, Plant and Equipment, Impairment R$ (1,953) R$ 21,085
[1] Project under development