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Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2021
Text block [abstract] |
Summary of Goodwill |
|  | Cost |  |  | Accumulated impairment |  |  | Carrying amount |
|  | NT$ |  |  | NT$ |  |  | NT$ |
Balance at January 1, 2019 |  | $ | 52,388,559 |  |  | $ | 2,414,113 |  |  | $ | 49,974,446 |
Acquisition through business combinations (Note 29) |  |  | 264,977 |  |  |  | — |  |  |  | 264,977 |
Effect of foreign currency exchange differences |  |  | (40,987 | ) |  |  | — |  |  |  | (40,987 | )
Balance at December 31, 2019 |  | $ | 52,612,549 |  |  | $ | 2,414,113 |  |  | $ | 50,198,436 |
For the year ended December 31, 2020 (retrospectively adjusted)
|  | 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 (retrospectively adjusted) |  | $ | 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 |
|  | Cost |  |  | Accumulated Impairment |  |  | Carrying Amount |
|  | US$ (Note 4) |  |  | US$ (Note 4) |  |  | US$ (Note 4) |
Balance at January 1, 2021 (re tro spectively adjusted) |  | $ | 1,987,136 |  |  | $ | 87,026 |  |  | $ | 1,900,110 |
Disposal of subsidiaries (Note 30) |  |  | (11,201 | ) |  |  | — |  |  |  | (11,201 | )
Effect of foreign currency exchange differences |  |  | (11,749 | ) |  |  | — |  |  |  | (11,749 | )
Balance at December 31, 2021 |  | $ | 1,964,186 |  |  | $ | 87,026 |  |  | $ | 1,877,160 |
Summary of Carrying Amounts of Goodwill Allocated to Cash-generating Units |
|  | December 31 |
|  | 2020 (Retrospectively Adjusted) |  |  | 2021 |
Cash-generating units |  | NT$ |  |  | NT$ |  |  | US$ (Note 4) |
Packaging segment |  | $ | 35,703,625 |  |  | $ | 35,412,424 |  |  | $ | 1,276,583 |
Testing segment |  |  | 13,365,068 |  |  |  | 13,304,040 |  |  |  | 479,598 |
EMS segment (Note 29) |  |  | 3,492,259 |  |  |  | 3,207,848 |  |  |  | 115,640 |
Others |  |  | 148,101 |  |  |  | 148,101 |  |  |  | 5,339 |
|  | $ | 52,709,053 |  |  | $ | 52,072,413 |  |  | $ | 1,877,160 |

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