v3.24.1

Share-based Payment Arrangements - Summary of ASE Inc. Option Plans Outstanding Share Options (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
ASE Inc. option plans [member] | Fifth share options exercise price [member]
Disclosure of terms and conditions of share-based payment arrangement [Line Items]
Range of Exercise Price Per Share	$ 73	$ 73
Weighted Average Remaining Contractual Life (Years)	1 year 8 months 12 days	2 years 8 months 12 days
The Company Option Plans [member] | First share options exercise price [member]
Disclosure of terms and conditions of share-based payment arrangement [Line Items]
Range of Exercise Price Per Share	$ 44.1	$ 47.5
Weighted Average Remaining Contractual Life (Years)	4 years 10 months 24 days	5 years 10 months 24 days
The Company Option Plans [member] | Second share options exercise price [Member]
Disclosure of terms and conditions of share-based payment arrangement [Line Items]
Range of Exercise Price Per Share	$ 107
Weighted Average Remaining Contractual Life (Years)	9 years 7 months 6 days

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- Definition

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+ References

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The exercise price of outstanding share options.

+ References

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- Definition

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