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Business Combinations - Additional Information (Detail) € in Thousands, $ in Thousands, $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Feb. 01, 2024 | Mar. 17, 2023 | Dec. 31, 2024 TWD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2024 EUR (€) | Dec. 31, 2023 TWD ($) | Dec. 31, 2023 USD ($)
Disclosure of subsidiaries [Line Items] |  |  |  |  |  |  |
Revenue from continuing operations |  |  | $ 597,015,838 | $ 18,207,253 |  | $ 586,489,731 |
Profit from continuing operations |  |  | 33,865,233 | 1,032,791 |  |  | $ 37,084,732
ASEPCAYMAN [Member] |  |  |  |  |  |  |
Disclosure of subsidiaries [Line Items] |  |  |  |  |  |  |
Aggregate Consideration Transferred To Associates |  |  | 725,059 | 22,112 | € 20,403 |  |
Proportion of ownership interest in associate | 100.00% |  |  |  |  |  |
CHE [Member] |  |  |  |  |  |  |
Disclosure of subsidiaries [Line Items] |  |  |  |  |  |  |
Aggregate Consideration Transferred To Associates |  |  | $ 1,713,092 | $ 52,245 | € 48,239 |  |
Proportion of ownership interest in associate | 100.00% |  |  |  |  |  |
Universal Global Technology Co., Limited (UGT) [member] |  |  |  |  |  |  |
Disclosure of subsidiaries [Line Items] |  |  |  |  |  |  |
Proportion of ownership interest in associate |  | 75.10% |  |  |  |  |
Universal Global Technology Co., Limited (UGT) [member] | Ample Trading [member] |  |  |  |  |  |  |
Disclosure of subsidiaries [Line Items] |  |  |  |  |  |  |
Proportion of ownership interest in associate |  | 24.90% |  |  |  |  |
USISH [Member] | Universal Global Technology Co Limited [Member] |  |  |  |  |  |  |
Disclosure of subsidiaries [Line Items] |  |  |  |  |  |  |
Aggregate Consideration Transferred To Associates |  |  |  |  |  | $ 2,317,201 | $ 71,452

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