XML 107 R80.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Financial Assets at Amortized Cost - Schedule of Financial Assets at Amortized Cost (Detail)
$ in Millions, $ in Millions
Dec. 31, 2023
TWD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
TWD ($)
Dec. 31, 2021
TWD ($)
Dec. 31, 2020
TWD ($)
Disclosure of financial assets [line items]          
Corporate bonds $ 145,960.6   $ 129,727.4    
Less: Allowance for impairment loss (531.5)   (331.6) $ (347.0) $ (246.6)
Current portion 66,761.2 $ 2,180.3 94,600.2    
Noncurrent portion 79,199.4 $ 2,586.5 35,127.2    
Corporate bonds [member]          
Disclosure of financial assets [line items]          
Corporate bonds 113,851.9   81,041.0    
Less: Allowance for impairment loss (82.7)   (56.4)    
Commercial paper [member]          
Disclosure of financial assets [line items]          
Debt instruments held 18,387.9   48,742.8    
Government bonds/Agency bonds [member]          
Disclosure of financial assets [line items]          
Debt instruments held $ 13,803.5   $ 0.0