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Investments Accounted for Using the Equity Method - Summary of Aggregate Information of the Joint Venture that is Not Individually Material (Detail) $ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024 TWD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 TWD ($)	Dec. 31, 2022 TWD ($)
Disclosure of joint ventures [line items]
Total net income (loss) and comprehensive income (loss)	$ 47,455,215	$ 1,447,247	$ 37,757,210	$ 73,250,566
Joint venture that is not individually material [member]
Disclosure of joint ventures [line items]
Total net income (loss) and comprehensive income (loss)	$ (3,021)	$ (92)	$ (11,214)	$ 101,839

X

- Definition

The amount of change in equity resulting from transactions and other events, other than those changes resulting from transactions with owners in their capacity as owners.

+ References

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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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