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Equity - Unrealized Gain or Loss on Financial Assets at FVOCI (Detail) - TWD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Statement of changes in equity [abstract] |  |  |
Beginning balance | $ (125) | $ (8) | $ 1,240
Unrealized gain or loss for the year |  |  |
Equity instruments | 641 | (111) | (1,188)
Share of loss of associates and join ventures accounted for using equity method | 5 | (6) | 0
Transferred accumulated gain or loss to unappropriated earnings resulting from the disposal of equity instruments (Note 9) | 0 | 0 | (60)
Ending balance | $ 521 | $ (125) | $ (8)

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- Definition Unrealized gain loss on transferred accumulated changes to unappropriated earnings resulting from the disposal of equity instruments. + References No definition available. + Details
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- Definition Unrealized gain or loss for the year. + References No definition available. + Details
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- Definition Unrealized gain (loss) on equity instrument. + References No definition available. + Details
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- Definition Unrealized gain or loss on financial assets at fair value through other comprehensive income. + References No definition available. + Details
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- Definition Unrealized gain or loss on share of loss of associates and joint ventures accounted for using equity method. + References No definition available. + Details
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- References No definition available. + Details
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