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Investments Accounted for Using Equity Method
12 Months Ended
Dec. 31, 2023
Text Block [Abstract]  
Investments Accounted for Using Equity Method
14.
INVESTMENTS ACCOUNTED FOR USING EQUITY METHOD
Associates consisted of the following:
 
         
Place of
    
Carrying Amount
    
% of Ownership and Voting

 Rights Held by the Company 
 
     Name of Associate
  
Principal Activities
  
Incorporation and
Operation
    
December 31,

2022
    
 December 31, 

2023
    
December 31,
2022
    
December 31,
2023
 
                
NT$
    
NT$
               
                
(In Millions)
    
(In Millions)
               
Vanguard International Semiconductor Corporation (VIS)
  
Manufacturing, sales, packaging, testing and computer-aided design of integrated circuits and other semiconductor devices and the manufacturing and design service of masks
     Hsinchu, Taiwan      $ 13,268.2      $ 13,496.0        28%        28%  
Systems on Silicon Manufacturing Company Pte Ltd. (SSMC)
  
Manufacturing and sales of integrated circuits and other semiconductor devices
     Singapore        8,934.7        9,728.8        39%        39%  
Xintec Inc. (Xintec)
  
Wafer level chip size packaging and wafer level post passivation interconnection service
     Taoyuan, Taiwan        3,491.7        3,734.3        41%        41%  
Global Unichip Corporation (GUC)
  
Researching, developing, manufacturing, testing and marketing of integrated circuits
     Hsinchu, Taiwan        1,608.1        2,482.9        35%        35%  
Mutual-Pak Technology Co., Ltd. (Mutual-Pak)
  
Manufacturing of electronic parts, wholesaling and retailing of electronic materials, and researching, developing and testing of RFID
     New Taipei, Taiwan        19.0        -         28%         -  
        
 
 
    
 
 
       
         $ 27,321.7      $ 29,442.0        
        
 
 
    
 
 
       
Due to the decrease in shareholding to 17%, the Company consequently ceased to have significant influence over Mutual-Pak. Therefore, the investment in Mutual-Pak was classified as financial assets at FVTOCI starting November 2023.
As of December 31, 2022 and 2023, no investments in associates are individually material to the Company. Please refer to the consolidated statements of profit or loss and other comprehensive income for recognition of share of both profit (loss) and other comprehensive income (loss) of associates that are not individually material.
The market prices of the associates’ ownership held by the Company in publicly traded stocks calculated by the closing price are summarized as follows. The closing price represents the quoted price in active markets, the level 1 fair value measurement.
 
   
 December 31, 
2022
 
 December 31, 
2023
   
NT$
 
NT$
Name of Associate
 
(In Millions)
 
(In Millions)
GUC
    $ 29,926.9         $ 81,236.9    
   
 
 
       
 
 
   
VIS
    $ 35,977.3         $ 37,834.2    
   
 
 
       
 
 
   
Xintec
    $ 10,716.4         $ 14,188.4