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Financial liabilities designated at fair value through profit or loss (Tables)
 12 Months Ended
Dec. 31, 2022
Financial Liabilities Designated At Fair Value Through Profit Or Loss  
Summary of Financial Liabilities Designated at Fair Value through Profit or Loss
             
  12/31/2022   12/31/2021
  Current Non-current Total   Current Non-current Total
Structured notes              
Debt securities 2 62 64   16 98 114
Total 2 62 64   16 98 114