v3.24.1
Investments Accounted for Using the Equity Method - Additional Information (Detail)
shares in Thousands, $ in Thousands, $ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Oct. 31, 2023
Sep. 30, 2023
Mar. 31, 2023
Nov. 30, 2022
TWD ($)
Jun. 30, 2023
TWD ($)
shares
Jun. 30, 2023
USD ($)
shares
Jan. 31, 2023
TWD ($)
Jun. 30, 2023
Dec. 31, 2023
TWD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
TWD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2021
TWD ($)
Disclosure of Investments Accounted for Using Equity Method [line Items]                          
Investments accounted for using the equity method                 $ 19,610,611   $ 14,679,346 $ 640,451 $ 16,996,600
Impairment loss on investments accounted for using the equity method                 $ 0 $ 0 $ 61,206    
Deca Technologies Inc [member]                          
Disclosure of Investments Accounted for Using Equity Method [line Items]                          
Proportion of ownership interest in associate               17.84% 17.84% 17.84% 17.85%    
CHIPLETZ [Member]                          
Disclosure of Investments Accounted for Using Equity Method [line Items]                          
Proportion of ownership interest in associate                 19.43% 19.43% 20.82%    
Percentage of Ownership (%) 19.43% 19.43%                      
Discount rate used in current estimate of value in use                     22.20%    
Impairment loss on investments accounted for using the equity method                     $ 61,206    
MACHVISION Inc [Member]                          
Disclosure of Investments Accounted for Using Equity Method [line Items]                          
Proportion of ownership interest in associate                 23.08% 23.08% 0.00%    
Goodcare Holdings Inc [Member]                          
Disclosure of Investments Accounted for Using Equity Method [line Items]                          
Proportion of ownership interest in associate     49.00%           49.00% 49.00% 0.00%    
QUESTYLE [Member]                          
Disclosure of Investments Accounted for Using Equity Method [line Items]                          
Proportion of ownership interest in associate                 6.67% 6.67% 6.67%    
Percentage of Ownership (%)       6.67%                  
Private Placement [Member] | MACHVISION Inc [Member]                          
Disclosure of Investments Accounted for Using Equity Method [line Items]                          
Consideration paid in cash for shares         $ 2,167,007 $ 70,771              
Proportion of ownership interest in associate         23.08% 23.08%              
Shares subscribed | shares         13,418 13,418              
Lock in period         3 years 3 years              
USISH [Member] | QUESTYLE [Member]                          
Disclosure of Investments Accounted for Using Equity Method [line Items]                          
Investments accounted for using the equity method       $ 20,000                  
MUtek Electronics Co., Ltd. [Member] | Shares Transfer Agreement with Cancon Information Industry Co., [Member]                          
Disclosure of Investments Accounted for Using Equity Method [line Items]                          
Proceeds from sales of investments accounted for using equity method             $ 110,880            
Percentage of ownership interest sold             49.00%