XML 162 R196.htm IDEA: XBRL DOCUMENT v3.20.1
30. OPERATING COSTS AND EXPENSES (Details 1) - BRL (R$)
R$ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Disclosure of detailed information of outsourced services [abstract]      
Meter reading and bill delivery R$ 128 R$ 129 R$ 142
Communication 69 80 66
Maintenance and conservation of electrical facilities and equipment 404 323 266
Building conservation and cleaning 110 110 108
Contracted labor 17 21 15
Freight and airfares 7 7 8
Accommodation and meals 14 12 13
Security services 18 20 23
Consultant 24 16 16
Maintenance and conservation of furniture and utensils 5 4 4
Information technology 63 59 62
Maintenance and conservation of vehicles 3 2 2
Disconnection and reconnection 70 62 35
Environmental services 14 14 11
Legal services 26 25 22
Legal procedural costs 2 2 3
Tree pruning 46 28 21
Cleaning of power line pathways 61 41 16
Copying and legal publications 21 21 23
Inspection of customer units 14 10 1
Printing of tax invoices and energy bills 3
Other expenses 123 101 114
Outsourced services R$ 1,239 R$ 1,087 R$ 974