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Equity - Schedule Of Detailed Information About Hedges Of Net Investments Of Foreign Operations (Detail) $ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2024 TWD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 TWD ($) | Dec. 31, 2022 TWD ($)
Disclosure of detailed information about hedges [line items] |  |  |  |
Balance at January 1 | $ 277,441 | $ 8,461 | $ 520,281 | $ 121,833
Foreign currency risk - loans denominated in foreign currency | 438,262 | 13,366 | (242,840) | 398,448
Balance at December 31 | $ 715,703 | $ 21,827 | $ 277,441 | $ 520,281

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- Definition Gain loss on foreign currency risk loans denominated in foreign currency + References No definition available. + Details
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- Definition Gains Losses On Hedges Of Net Investments In Foreign Operations Net Of Tax. + References No definition available. + Details
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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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