XML 138 R117.htm IDEA: XBRL DOCUMENT v3.21.1
15. CONCESSION CONTRACT ASSETS (Details) - BRL (R$)
R$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Jan. 02, 2019
 [1]
Dec. 31, 2018
Disclosure of assets recognised from costs to obtain or fulfil contracts with customers [line items]        
Contract assets R$ 4,980,000      
Current 737,000      
Non current 4,243,000      
Restated [member]        
Disclosure of assets recognised from costs to obtain or fulfil contracts with customers [line items]        
Contract assets   R$ 3,884,000   R$ 3,509,000
Current   576,000 [1] R$ 482,000 482,000
Non current   3,307,000 [1] R$ 3,026,000 3,026,000
Distribution - infrastructure assets under construction [member]        
Disclosure of assets recognised from costs to obtain or fulfil contracts with customers [line items]        
Contract assets 1,142,000      
Distribution - infrastructure assets under construction [member] | Restated [member]        
Disclosure of assets recognised from costs to obtain or fulfil contracts with customers [line items]        
Contract assets   740,000   518,000
Gas - infrastructure assets under construction [member]        
Disclosure of assets recognised from costs to obtain or fulfil contracts with customers [line items]        
Contract assets 94,000      
Gas - infrastructure assets under construction [member] | Restated [member]        
Disclosure of assets recognised from costs to obtain or fulfil contracts with customers [line items]        
Contract assets   68,000   81,000
Transmission - assets rrincorporated into the assets remuneration base [member]        
Disclosure of assets recognised from costs to obtain or fulfil contracts with customers [line items]        
Contract assets 1,896,000      
Transmission - assets rrincorporated into the assets remuneration base [member] | Restated [member]        
Disclosure of assets recognised from costs to obtain or fulfil contracts with customers [line items]        
Contract assets   1,928,000   2,272,000
Transmission - assets remunerated by tariff [member]        
Disclosure of assets recognised from costs to obtain or fulfil contracts with customers [line items]        
Contract assets R$ 1,848,000      
Transmission - assets remunerated by tariff [member] | Restated [member]        
Disclosure of assets recognised from costs to obtain or fulfil contracts with customers [line items]        
Contract assets   R$ 1,147,000   R$ 637,000
[1] For further details of restatement of comparative balances, see Note 2.8