XML 137 R116.htm IDEA: XBRL DOCUMENT v3.22.1
Accounts payable - Summary of Accounts Payable (Detail) - TWD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Statement [LineItems]    
Trade and other payables $ 1,012,391 $ 966,821
Accounts payable [Member]    
Statement [LineItems]    
Trade and other payables 765,403 766,805
Estimated accounts payable [Member]    
Statement [LineItems]    
Trade and other payables $ 246,988 $ 200,016