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Accounts Receivables - Concessions (Tables)
 12 Months Ended
Dec. 31, 2022
Accounts Receivables - Concessions  
Power distribution service concession
   
     
  12.31.2022 12.31.2021
Power distribution service concession (9.1) 1,442,819 1,200,708
Piped gas distribution service concession (9.2)  - 233,026
Bonus from the grant of concession agreements under the quota system (9.3) 766,832 730,851
Generation concession agreements (9.4) 68,642 102,220
  2,278,293 2,266,805
Current  8,603 5,121
Noncurrent  2,269,690 2,261,684
Schedule of power distribution service concession
   
Balance as of January 1, 2021  960,518
Transfers from contract assets (Note 10.1)  125,492
Transfers to intangible assets (Note 17.1) 8,385
Transfers to other receivables (assets held for disposal)  (2,407)
Fair value recognition  108,733
Loss on disposal (13)
Balance as of December 31, 2021 1,200,708
Transfers from contract assets (Note 10.1)  168,072
Transfers to other receivables (assets held for disposal)  (5,048)
Fair value recognition  79,169
Loss on disposal (82)
Balance as of December 31, 2022 1,442,819
Schedule of power generation concession contract - Generation Concession Agreements
   
Balance as of January 1, 2021  189,416
Transfers from contract assets (Note 10.2) 8,310
Transfers to intangible assets (Note 17.3) 1,398
Fair value recognition 33,909
Loss on disposal  (7)
Balance as of December 31, 2021  233,026
Transfers from intangible assets (Note 17.3) (243,628)
Fair value recognition 10,772
Loss on disposal (170)
Balance as of December 31, 2022  -
Schedule of power generation concession contract - Generation Concession Agreements
   
Balance as of January 1, 2021 671,204
Transfers to electricity grid use charges - customers  (74,835)
Interest (Note 30.1) 134,482
Balance as of December 31, 2021 730,851
Transfers to electricity grid use charges - customers  (82,458)
Interest (Note 30.1) 118,439
Balance as of December 31, 2022 766,832
Schedule of power generation concession contract - Generation Concession Agreements
   
Balance as of January 1, 2021 81,202
Remeasurement  18,414
Reversal of impairment  2,604
Balance as of December 31, 2021 102,220
Remuneration  1,934
Fair value adjustment  (35,512)
Balance as of December 31, 2022 68,642