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Inventories
12 Months Ended
Dec. 31, 2024
Texts Block [Abstract]  
Inventories
13.
INVENTORIES
 
   
 December 31, 
2023
 
 December 31, 
2024
        
NT$
            
NT$
     
        
(In Millions)
            
(In Millions)
     
Finished goods
     $ 34,511.0          $ 35,177.0    
Work in process
       156,498.5            181,198.8    
Raw materials
       38,818.3            46,449.3    
Supplies and spare parts
       21,169.3            25,043.7    
    
 
 
        
 
 
   
     $ 250,997.1          $ 287,868.8    
    
 
 
        
 
 
   
Write-down of inventories to
net
realizable value (excluding earthquake losses) and reversal of write-down of inventories resulting from the increase in net realizable value were included in the cost of revenue, which were as follows. Please refer to related earthquake losses in Note 37.
 
   
Years Ended December 31
   
   2022   
 
   2023   
 
   2024   
   
  
NT$
            
NT$
            
NT$
     
        
(In Millions)
            
(In Millions)
            
(In Millions)
     
Net inventory losses
     $ 4,689.1          $ 3,494.6          $     888.7