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Accounts receivable - Additional Information (Detail) $ in Thousands, $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2023 TWD ($) | Dec. 31, 2024 TWD ($) | Dec. 31, 2024 USD ($) | Jan. 01, 2023 TWD ($)
Disclosure of financial assets [Line Items] |  |  |  |
Accounts receivable, net | $ 5,326,381 | $ 5,010,154 | $ 152,795 |
Accounts receivable [member] |  |  |  |
Disclosure of financial assets [Line Items] |  |  |  |
Accounts receivable, net | $ 5,328,835 | $ 5,011,644 |  | $ 4,381,563
Bottom of range [member] |  |  |  |
Disclosure of financial assets [Line Items] |  |  |  |
Credit term granted to customers | 30 days |  |  |
Top of range [member] |  |  |  |
Disclosure of financial assets [Line Items] |  |  |  |
Credit term granted to customers | 90 days |  |  |

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- Definition The amount of current trade receivables. [Refer: Trade receivables] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 68 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_68&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 78 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_78_b&doctype=Standard -URIDate 2024-03-27 + Details
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Balance Type: | debit
Period Type: | instant

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition Customers credit term. + References No definition available. + Details
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- Details
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- Details
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- Details
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