XML 175 R160.htm IDEA: XBRL DOCUMENT v3.23.1
Equity - Summary of Common Stocks (Detail)
$ in Millions
Dec. 31, 2022
USD ($)
shares
Dec. 31, 2022
TWD ($)
shares
Dec. 31, 2021
TWD ($)
shares
Disclosure of classes of share capital [abstract]      
Number of authorized shares 12,000,000,000 12,000,000,000 12,000,000,000
Authorized shares | $   $ 120,000,000,000 $ 120,000,000,000
Number of issued and paid shares 7,757,000,000 7,757,000,000 7,757,000,000
Issued and outstanding shares $ 2,524 $ 77,574,000,000 $ 77,574,000,000