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Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2022
Text block [abstract] |
Summary of Goodwill | For the year ended December 31, 2020
|  | Cost |  |  | Accumulated impairment |  |  | Carrying amount |
|  | NT$ |  |  | NT$ |  |  | NT$ |
Balance at January 1, 2020 |  | $ | 52,612,549 |  |  | $ | 2,414,113 |  |  | $ | 50,198,436 |
Acquisition through business combinations (Note 29) |  |  | 2,567,842 |  |  |  | — |  |  |  | 2,567,842 |
Effect of foreign currency exchange differences |  |  | (57,225 | ) |  |  | — |  |  |  | (57,225 | )
Balance at December 31, 2020 |  | $ | 55,123,166 |  |  | $ | 2,414,113 |  |  | $ | 52,709,053 |
For the year ended December 31, 2021
|  | Cost |  |  | Accumulated impairment |  |  | Carrying amount |
|  | NT$ |  |  | NT$ |  |  | NT$ |
Balance at January 1, 2021 |  | $ | 55,123,166 |  |  | $ | 2,414,113 |  |  | $ | 52,709,053 |
Disposal of subsidiaries (Note 30) |  |  | (310,711 | ) |  |  | — |  |  |  | (310,711 | )
Effect of foreign currency exchange differences |  |  | (325,929 | ) |  |  | — |  |  |  | (325,929 | )
Balance at December 31 , 2021 |  | $ | 54,486,526 |  |  | $ | 2,414,113 |  |  | $ | 52,072,413 |
For the year ended December 31, 2022
|  | Cost |  |  | Accumulated impairment |  |  | Carrying amount |
|  | NT$ |  |  | NT$ |  |  | NT$ |
Balance at January 1, 2022 |  | $ | 54,486,526 |  |  | $ | 2,414,113 |  |  | $ | 52,072,413 |
Effect of foreign currency exchange differences |  |  | 240,986 |  |  |  | — |  |  |  | 240,986 |
Balance at December 31, 2022 |  | $ | 54,727,512 |  |  | $ | 2,414,113 |  |  | $ | 52,313,399 |
|  | Cost |  |  | Accumulated Impairment |  |  | Carrying Amount |
|  | US$ (Note 4) |  |  | US$ (Note 4) |  |  | US$ (Note 4) |
Balance at January 1, 2022 |  | $ | 1,773,073 |  |  | $ | 78,559 |  |  | $ | 1,694,514 |
Effect of foreign currency exchange differences |  |  | 7,842 |  |  |  | — |  |  |  | 7,842 |
Balance at December 31, 2022 |  | $ | 1,780,915 |  |  | $ | 78,559 |  |  | $ | 1,702,356 |
Summary of Carrying Amounts of Goodwill Allocated to Cash-generating Units |
|  | December 31 |
|  | 2021 |  |  | 2022 |
Cash-generating units |  | NT$ |  |  | NT$ |  |  | US$ (Note 4) |
Packaging segment |  | $ | 35,412,424 |  |  | $ | 35,427,102 |  |  | $ | 1,152,851 |
Testing segment |  |  | 13,304,040 |  |  |  | 13,414,275 |  |  |  | 436,521 |
EMS segment |  |  | 3,207,848 |  |  |  | 3,323,920 |  |  |  | 108,165 |
Others |  |  | 148,101 |  |  |  | 148,101 |  |  |  | 4,819 |
|  | $ | 52,072,413 |  |  | $ | 52,313,399 |  |  | $ | 1,702,356 |

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