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Other operating expenses (Tables)
 12 Months Ended
Dec. 31, 2022
Other expense by nature [Abstract]  
Table of Other operating expenses
    
2022
     
2021
     
2020
  
Turnover tax
      40,862,687        33,181,788        23,865,474  
Provisions for legal and administrative proceedings
      3,886,483        474,222        2,954,912  
Loss on initial recognition of loans bearing below market interest rate
      4,206,914        3,834,403        1,844,065  
Provisions for reorganization
      2,373,713        4,411,298        8,405,332  
Expected credit losses on financial guarantee and loan commitments
      2,044,813        1,382,454        1,580,949  
Contributions to the Deposits Guarantee Fund (Note 43)
      2,032,751        2,193,577        2,048,439  
Damage claims
      1,478,605        610,158        252,252  
Loss from sale or impairment of investment properties and other
non-financial
assets (Note 16)
      12,062        75,821        —    
Other operating expenses
      4,822,589        6,620,503        4,887,557  
    
 
 
     
 
 
     
 
 
  
TOTAL
   
 
  61,720,617
 
   
 
  52,784,224
 
   
 
  45,838,980