XML 224 R209.htm IDEA: XBRL DOCUMENT v3.23.1
Financial Instruments - Summary of Detailed Information about Maturity Analysis of Obligation under Leases (Detail)
$ in Thousands, $ in Thousands
Dec. 31, 2022
TWD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
TWD ($)
Less than 1 year [member] | Obligation under leases [member]      
Disclosure of maturity analysis for non-derivative financial liabilities [line items]      
Non-derivative financial liabilities undiscounted amounts $ 1,112,846 $ 36,214 $ 929,832
1-5 years [member]      
Disclosure of maturity analysis for non-derivative financial liabilities [line items]      
Non-derivative financial liabilities undiscounted amounts 141,300,566 4,598,131 158,925,804
1-5 years [member] | Obligation under leases [member]      
Disclosure of maturity analysis for non-derivative financial liabilities [line items]      
Non-derivative financial liabilities undiscounted amounts 2,685,977 87,406 2,585,624
5 to 10 Years [member] | Obligation under leases [member]      
Disclosure of maturity analysis for non-derivative financial liabilities [line items]      
Non-derivative financial liabilities undiscounted amounts 1,536,779 50,009 1,731,995
10 to 15 Years [member] | Obligation under leases [member]      
Disclosure of maturity analysis for non-derivative financial liabilities [line items]      
Non-derivative financial liabilities undiscounted amounts 939,751 30,581 883,335
15 to 20 Years [member] | Obligation under leases [member]      
Disclosure of maturity analysis for non-derivative financial liabilities [line items]      
Non-derivative financial liabilities undiscounted amounts 881,803 28,695 802,765
More than 20 Years [member] | Obligation under leases [member]      
Disclosure of maturity analysis for non-derivative financial liabilities [line items]      
Non-derivative financial liabilities undiscounted amounts $ 1,788,933 $ 58,215 $ 1,511,507