v3.24.1
Trade Receivables, Net - Summary of Loss Allowance For Current Financial Assets At FVTOCI (Detail)
$ in Thousands, $ in Thousands
Dec. 31, 2023
TWD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
TWD ($)
Disclosure For Loss Allowance For Current Financial Assets At FVTOCI [Line Items]      
Net Amount $ 5,637,485 $ 184,111 $ 5,402,714
Trade receivables [member]      
Disclosure For Loss Allowance For Current Financial Assets At FVTOCI [Line Items]      
Expected credit loss rate 0.00% 0.00%  
Gross carrying amount $ 5,637,485 $ 184,111 5,402,714
Loss allowance (Lifetime ECLs) 0 0 0
Net Amount $ 5,637,485 $ 184,111 5,402,714
Not past due [member] | Trade receivables [member]      
Disclosure For Loss Allowance For Current Financial Assets At FVTOCI [Line Items]      
Expected credit loss rate 0.00% 0.00%  
Gross carrying amount $ 5,548,363 $ 181,201 5,291,410
Loss allowance (Lifetime ECLs) 0 0 0
Net Amount $ 5,548,363 $ 181,201 5,291,410
Less than 1 month [member] | Trade receivables [member]      
Disclosure For Loss Allowance For Current Financial Assets At FVTOCI [Line Items]      
Expected credit loss rate 0.00% 0.00%  
Gross carrying amount $ 5 $ 0 22,221
Loss allowance (Lifetime ECLs) 0 0 0
Net Amount $ 5 $ 0 22,221
1 to 3 months [member] | Trade receivables [member]      
Disclosure For Loss Allowance For Current Financial Assets At FVTOCI [Line Items]      
Expected credit loss rate 0.00% 0.00%  
Gross carrying amount $ 76,717 $ 2,505 83,767
Loss allowance (Lifetime ECLs) 0 0 0
Net Amount $ 76,717 $ 2,505 83,767
More than 91 days [member] | Trade receivables [member]      
Disclosure For Loss Allowance For Current Financial Assets At FVTOCI [Line Items]      
Expected credit loss rate 0.00% 0.00%  
Gross carrying amount $ 12,400 $ 405 5,316
Loss allowance (Lifetime ECLs) 0 0 0
Net Amount $ 12,400 $ 405 $ 5,316