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RECEIVABLES FROM CUSTOMERS, TRADERS AND CONCESSION HOLDERS (Tables)
 12 Months Ended
Dec. 31, 2021
Schedule of trade and other receivables

 

   Balances not yet due  Up to 90 days past due  More than 91 up to 360 days past due  More than 361 days past due  2021  2020
                   
Billed supply   1,765    720    455    470    3,410    3,125 
Unbilled supply   930    —    —    —    930    1,145 
Other concession holders — wholesale supply   20    30    1    1    52    50 
Other concession holders — wholesale supply, unbilled   265    —    —    —    265    260 
CCEE (Power Trading Chamber)   72    96    —    1    169    210 
Concession Holders — power transport   63    16    13    78    170    161 
Concession Holders — power transport, unbilled   319    —    —    —    319    295 
(–) Provision for doubtful receivables   (201)   (35)   (88)   (509)   (833)   (712)
    3,233    827    381    41    4,482    4,534 
                               
Current assets                       4,430    4,373 
Non-current assets                       52    161 
Schedule of provision for allowance for doubtful accounts

The provision for expected credit losses of accounts receivable is considered to be sufficient to cover any potential losses in the realization of accounts receivable, and the breakdown by type of customers is as follows:

 

   2021  2020
Residential   221    110 
Industrial   185    188 
Commercial, services and others   220    190 
Rural   34    30 
Public authorities   45    83 
Public lighting   2    2 
Public services   38    35 
Charges for use of the network (TUSD)   88    74 
    833    712 
Schedule of changes in provision for doubtful accounts

Changes in the provision for expected credit losses of accounts receivable in 2021, 2020 and 2019 are as follows:

 

    
Balance at December 31, 2018   751 
Additions, net   238 
Disposals   (179)
Balance at December 31, 2019   810 
Additions, net   146 
Disposals   (244)
Balance at December 31, 2020   712 
Additions, net (Note 28)   144 
Disposals   (23)
Balance at December 31, 2021   833