26 Other operating expenses
millions of €  | 
            
  | 
            
  | 
            
  | 
        
|---|---|---|---|
  | 
            2020  | 
            2019  | 
            2018  | 
        
Impairment losses on financial assets  | 
            862  | 
            452  | 
            394  | 
        
Gains (losses) from the write-off of financial assets measured at amortized cost  | 
            188  | 
            42  | 
            120  | 
        
Other  | 
            3,425  | 
            2,807  | 
            2,620  | 
        
Legal and audit fees  | 
            510  | 
            328  | 
            338  | 
        
Losses from asset disposals  | 
            497  | 
            213  | 
            165  | 
        
Income (losses) from the measurement of factoring receivables  | 
            6  | 
            129  | 
            126  | 
        
Other taxes  | 
            452  | 
            427  | 
            476  | 
        
Cash and guarantee transaction costs  | 
            491  | 
            355  | 
            339  | 
        
Insurance expenses  | 
            117  | 
            98  | 
            93  | 
        
Miscellaneous other operating expenses  | 
            1,354  | 
            1,258  | 
            1,083  | 
        
  | 
            4,476  | 
            3,301  | 
            3,134  | 
        
Miscellaneous other operating expenses comprise a large number of low-value individual items, including other administrative expenses and fees totaling EUR 162 million (2019: EUR 176 million, 2018: EUR 181 million).