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Other Operating Income
 12 Months Ended
Dec. 31, 2019
Other income [Abstract]  
Other Operating Income
34.
Other operating income
 
   
2019
   
2018
   
2017
 
Gain from the sale of
non-current
assets held for sale
   3,821,089    —      —   
Adjustments and interest on miscellaneous receivables
   1,270,640    763,230    300,459 
Rental of safe deposit boxes
   706,423    826,191    854,614 
Income related to foreign trade
   318,465    339,811    124,303 
Services rendered
   221,082    237,551    282,999 
Proceeds from electronic transactions
   146,827    187,716    134,545 
Other operating income
   2,316,823    886,714    1,292,317 
  
 
 
   
 
 
   
 
 
 
TOTAL
  
 
8,801,349
 
  
 
3,241,213
 
  
 
2,989,237