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Borrowings - Summary of Short Term Borrowings (Detail) $ in Thousands, $ in Thousands | Dec. 31, 2024 TWD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 TWD ($)
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Disclosure of detailed information about borrowings [line items] |  |  |
Less: financial liabilities for hedging - current | $ (12,456,104) | $ (379,875) | $ (12,516,971)
Short-term borrowings | 34,988,758 | 1,067,056 | 37,737,217
Short Term Bank Loans [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Secured bank loans, annual interest rates were 4.80%-5.40% and 3.81%-4.16% as of December 31, 2023 and 2024, respectively | 279,797 | 8,533 | 354,064
Unsecured bank loans, annual interest rates were 1.55%-7.57% and 1.75%-6.96% as of December 31, 2023 and 2024, respectively | 47,165,065 | 1,438,398 | 49,900,124
Borrowings | 47,444,862 | 1,446,931 | 50,254,188
Less: financial liabilities for hedging - current | 12,456,104 | 379,875 | 12,516,971
Short-term borrowings | $ 34,988,758 | $ 1,067,056 | $ 37,737,217

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- Definition The amount of outstanding funds that the entity is obligated to repay. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of loans received from banks that have been secured by collateral. [Refer: Loans received] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of current borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of loans received from banks that have not been secured by collateral. [Refer: Loans received] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + Details
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