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Financial Instruments at Fair Value Through Profit or Loss - Summary of Financial Instruments at Fair Value through Profit or Loss (Detail) - TWD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Financial assets-current |  |
Financial assets-current, Mandatorily measured at FVTPL | $ 0 | $ 1
Financial assets-noncurrent |  |
Non-derivatives | 1,005 | 1,036
Forward exchange contracts [Member] |  |
Financial assets-current |  |
Derivatives (not designated for hedge) | 0 | 1
Listed stocks domestic [Member] |  |
Financial assets-current |  |
Non-derivatives | 0 | 0
Non listed stocks domestic [Member] |  |
Financial assets-noncurrent |  |
Non-derivatives | 629 | 704
Non listed stocks foreign [Member] |  |
Financial assets-noncurrent |  |
Non-derivatives | 32 | 89
Limited partnership - domestic [Member] |  |
Financial assets-noncurrent |  |
Non-derivatives | 307 | 219
Other investing agreements [Member] |  |
Financial assets-noncurrent |  |
Non-derivatives | $ 37 | $ 24

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- Definition The amount of current financial assets mandatorily measured at fair value through profit or loss in accordance with IFRS 9. [Refer: Financial assets at fair value through profit or loss, mandatorily measured at fair value] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 8 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_8_a&doctype=Standard -URIDate 2024-03-27 + Details
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