v3.24.1
Equity - Summary of Capital Surplus (Detail)
$ in Thousands, $ in Thousands
Dec. 31, 2023
TWD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
TWD ($)
Disclosure of classes of share capital [abstract]      
Issuance of ordinary shares $ 15,737,752 $ 513,970 $ 15,072,129
Merger by share exchange 117,693,658 3,843,686 117,693,658
Difference between consideration and the carrying amount of the subsidiaries' net assets during actual disposal or acquisition 3,240,987 105,845 3,240,987
Exercised employee share options 3,503,786 114,428 2,943,447
Treasury share transactions 679,791 22,201 38,404
Donations from shareholders 471,894 15,411 471,894
Expired share options 646,773 21,122 646,447
Capital surplus deficit distributed as cash dividends 141,974,641 4,636,663 140,106,966
Changes in percentage of ownership interest in subsidiaries 208,310 6,803 117,537
Share of changes in capital surplus of associates accounted for using the equity method 21,584 705 18,329
Dividends that the claim period has elapsed and unclaimed by shareholders 6,130 200 6,043
Exercised disgorgement 326 11 326
Capital surplus offset deficit 236,350 7,719 142,235
Employee share options 1,904,176 62,187 1,425,171
Employee restricted stock awards (49,650) (1,621) 778,387
Others 207,109 6,764 154,731
Capital surplus for other purpose 2,061,635 67,330 2,358,289
Capital surplus $ 144,272,626 $ 4,711,712 $ 142,607,490