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v3.23.1

Investments Accounted for Using the Equity Method - Summary of Investments in Associates Accounted for Using the Equity Method (Detail) $ in Thousands, $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Nov. 30, 2022 | Dec. 31, 2022 TWD ($) | Dec. 31, 2021 TWD ($) | Dec. 31, 2022 USD ($)
Disclosure of associates and joint ventures [line items] |  |  |  |
Investments in associates |  | $ 14,163,995 | $ 16,500,670 | $ 460,918
Yann Yuan Investment Co., Ltd. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Main Business |  | Engaged in investing activities |  |
Operating Location |  | R.O.C. |  |
Percentages of ownership held by the Group |  | 27.94% | 29.45% |
ChipMOS Technologies Inc. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Main Business |  | Engaged in the packaging and testing of semiconductors |  |
Operating Location |  | R.O.C. |  |
Percentages of ownership held by the Group |  | 10.85% | 10.85% |
M-Universe Investments Pte. Ltd. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Main Business |  | Investment company |  |
Operating Location |  | Singapore |  |
Percentages of ownership held by the Group |  | 42.23% | 42.23% |
Hung Ching Development & Construction Co. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Main Business |  | Engaged in the development, construction and leasing of real estate properties |  |
Operating Location |  | R.O.C. |  |
Percentages of ownership held by the Group |  | 26.22% | 26.22% |
Hung Ching Kwan Co. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Main Business |  | Engaged in the leasing of real estate properties |  |
Operating Location |  | R.O.C. |  |
Percentages of ownership held by the Group |  | 27.31% | 27.31% |
CHIPLETZ [Member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Main Business |  | Fabless substrate design house |  |
Operating Location |  | U.S.A. |  |
Percentages of ownership held by the Group |  | 20.82% | 20.82% |
Deca Technologies Inc. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Main Business |  | Holding company with group engaged in the development of wafer level packaging and interconnect technology |  |
Operating Location |  | U.S.A. |  |
Percentages of ownership held by the Group |  | 17.85% | 17.85% |
QUESTYLE [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Main Business |  | Engaged in the research and development on technology and sales of electronic products, digital products, audio equipment and spare parts, domestic trading; import and export business |  |
Operating Location |  | China |  |
Percentages of ownership held by the Group | 6.67% | 6.67% | 0.00% |
Cost [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Investments in associates before deferred gain on transfer of land |  | $ 14,464,144 | $ 16,800,819 | 470,685
Cost [member] | Yann Yuan Investment Co., Ltd. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Investments in associates before deferred gain on transfer of land |  | 7,494,541 | 9,873,978 | 243,884
Cost [member] | ChipMOS Technologies Inc. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Investments in associates before deferred gain on transfer of land |  | 2,748,810 | 2,717,250 | 89,450
Cost [member] | M-Universe Investments Pte. Ltd. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Investments in associates before deferred gain on transfer of land |  | 2,090,663 | 1,859,542 | 68,033
Cost [member] | Hung Ching Development & Construction Co. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Investments in associates before deferred gain on transfer of land |  | 1,597,745 | 1,828,921 | 51,993
Cost [member] | Hung Ching Kwan Co. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Investments in associates before deferred gain on transfer of land |  | 244,516 | 258,757 | 7,957
Cost [member] | CHIPLETZ [Member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Investments in associates before deferred gain on transfer of land |  | 145,640 | 210,937 | 4,739
Cost [member] | Deca Technologies Inc. [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Investments in associates before deferred gain on transfer of land |  | 54,040 | 51,434 | 1,759
Cost [member] | QUESTYLE [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Investments in associates before deferred gain on transfer of land |  | 88,189 | 0 | 2,870
Deferred gain on transfer of land [member] |  |  |  |
Disclosure of associates and joint ventures [line items] |  |  |  |
Investments in associates |  | $ 300,149 | $ 300,149 | $ 9,767

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