v3.26.1
Financial Instruments at Fair Value Through Profit or Loss (FVTPL) (Tables)
12 Months Ended
Dec. 31, 2025
Text block [abstract]  
Summary of Financial Instruments at Fair Value Through Profit or Loss
 
  
December 31
 
 
  
2024
 
  
2025
 
 
  
NT$
 
  
NT$
 
  
US$ (Note 4)
 
Financial assets mandatorily classified as at FVTPL
        
Derivative instruments (non-designated hedges)
        
Swap contracts
   $    4,282,512      $    3,412,108      $     108,770  
Forward exchange contracts
     258,362        248,813        7,932  
Non-derivative financial assets
        
Quoted shares
     2,898,751        2,277,680        72,607  
Private-placement funds
     1,503,382        1,435,095        45,747  
 
    
December 31
 
    
2024
    
2025
 
    
NT$
    
NT$
    
US$ (Note 4)
 
Open-end mutual funds
   $ 590,346      $ 971,952      $ 30,983  
Unquoted shares
     863,484        822,065        26,205  
Others
     -        161,150        5,138  
Hybrid financial assets
        
Equity-linked structured products
     -        497,899        15,872  
Convertible notes
     360,635        345,730        11,021  
Others
     74,570        15,000        478  
  
 
 
    
 
 
    
 
 
 
   $ 10,832,042      $ 10,187,492      $ 324,753  
  
 
 
    
 
 
    
 
 
 
Current
   $ 8,390,606      $ 7,754,182      $ 247,185  
Non-current
     2,441,436        2,433,310        77,568  
  
 
 
    
 
 
    
 
 
 
   $   10,832,042      $   10,187,492      $     324,753  
  
 
 
    
 
 
    
 
 
 
Financial liabilities held for trading
        
Derivative instruments (non-designated hedges)
        
Swap contracts
   $ 179,967      $ 736,231      $ 23,469  
Forward exchange contracts
     63,785        75,438        2,405  
Accumulator contracts
     -        13,751        438  
  
 
 
    
 
 
    
 
 
 
     243,752        825,420        26,312  
Contingent considerations (Note 29)
     589,117        569,948        18,169  
  
 
 
    
 
 
    
 
 
 
   $ 832,869      $ 1,395,368      $ 44,481  
  
 
 
    
 
 
    
 
 
 
Current
   $ 324,278      $ 966,484      $ 30,809  
Non-current
     508,591        428,884        13,672  
  
 
 
    
 
 
    
 
 
 
   $ 832,869      $ 1,395,368      $ 44,481  
  
 
 
    
 
 
    
 
 
 
Summary of Outstanding Contracts Not Accounted for Hedge Accounting
  a.
At each balance sheet date, outstanding swap contracts not accounted for hedge accounting were as follows:
 
Currency
  
Maturity Period
      
Notional Amount
(In Thousands)
 
  December 31, 2024  
       
Sell RMB/Buy US$
    
2025.01
         RMB830,661/US$114,000  
Sell HKD/Buy US$
    
2025.02
-
2025.03
         HKD22,830/US$2,939  
Sell JPY/Buy US$
    
2025.01
         JPY1,035,320/US$6,994  
Sell MXN/Buy US$
    
2025.01
         MXN923,715/US$45,000  
Sell NT$/Buy US$
    
2025.01
-
2025.12
         NT$108,539,284/US$3,496,000  
Sell US$/Buy KRW
    
2025.01
-
2025.03
         US$69,000/KRW99,002,500  
Sell US$/Buy NT$
    
2025.01
-
2025.02
         US$254,440/NT$8,221,338  
  December 31, 2025  
       
Sell JPY/Buy US$
    
2026.01
         JPY633,220/US$4,256  
Sell MYR/Buy US$
    
2026.01
-
2026.04
         MYR69,971/US$17,000  
Sell NT$/Buy US$
    
2026.01
-
2026.12
         NT$131,245,282/US$4,303,000  
Sell US$/Buy KRW
    
2026.01
-
2026.02
         US$52,000/KRW76,211,890  
Sell US$/Buy NT$
    
2026.01
-
2026.03
         US$69,180/NT$2,156,913  
 
  b.
At each balance sheet date, outstanding forward exchange contracts not accounted for hedge accounting were as follows:
 
Currency
  
Maturity Period
      
Notional Amount
(In Thousands)
 
December 31, 2024
       
Sell RMB/Buy JPY
    
2025.01
         RMB7,888/JPY165,000  
Sell RMB/Buy NT$
    
2025.01
-
2025.03
         RMB10,000/NT$44,542  
Sell RMB/Buy US$
    
2025.01
         RMB130,495/US$18,000  
Sell EUR/Buy TND
    
2025.01
-
2025.12
         EUR7,074/TND24,000  
Sell EUR/Buy US$
    
2025.01
-
2025.12
         EUR5,435/US$6,000  
Sell NT$/Buy US$
    
2025.01
-
2025.02
         NT$3,545,010/US$110,000  
Sell US$/Buy RMB
    
2025.01
-
2025.02
         US$436,000/RMB3,172,282  
Sell US$/Buy EUR
    
2025.01
         US$3,165/EUR3,000  
Sell US$/Buy JPY
    
2025.01
-
2025.02
         US$54,020/JPY8,335,356  
Sell US$/Buy KRW
    
2025.01
         US$7,000/KRW10,071,340  
Sell US$/Buy MYR
    
2025.01
         US$6,000/MYR26,758  
Sell US$/Buy NT$
    
2025.01
-
2025.03
         US$81,610/NT$2,653,807  
Sell US$/Buy SGD
    
2025.01
-
2025.03
         US$13,100/SGD17,506  
December 31, 2025
       
Sell RMB/Buy JPY
    
2026.01
         RMB7,583/JPY165,000  
Sell RMB/Buy US$
    
2026.01
         RMB127,404/US$18,000  
Sell MXN/Buy US$
    
2026.01
         MXN289,184/US$16,000  
Sell NT$/Buy US$
    
2026.01
-
2026.03
         NT$7,711,585/US$250,000  
Sell US$/Buy RMB
    
2026.01
         US$569,700/RMB4,009,470  
Sell US$/Buy EUR
    
2026.01
         US$2,325/EUR2,000  
Sell US$/Buy JPY
    
2026.01
-
2026.02
         US$83,700/JPY12,974,168  
Sell US$/Buy KRW
    
2026.01
         US$21,610/KRW31,573,162  
Sell US$/Buy MYR
    
2026.01
         US$500/MYR2,025  
Sell US$/Buy NT$
    
2026.01
-
2026.03
         US$246,330/NT$7,716,117  
Sell US$/Buy SGD
    
2026.01
-
2026.02
         US$17,700/SGD22,826  
Summary of Outstanding accumulator Contracts Not Accounted for Hedge Accounting
 
c.
At balance sheet date, outstanding accumulator contracts not accounted for hedge accounting were as follows:
 
 
 
December 31, 2025
 

Underlying Asset
  
  Strike Price  
  
  Knock-out  

Price
  
  Currency  
  
  Maturity Date  
  
  Contract  

Duration
  
  Note  
USD CBA
      
115.20-200.78 (a) /176.89-290.81 (b)
         -        USD       
2026.10
-
2026.12
       1 year        Note 1
USD ACCU
       631.42        800.90        USD       
2026.08
       1 year        Note 2