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Significant events after the reporting periods	12 Months Ended
	Dec. 31, 2023
Significant events after the reporting period [Abstract]
Significant events after the reporting periods	39.Significant events after the reporting period On December 21, 2023, the Company’s Board of Directors approved its subsidiary ChipMOS BVI to sell the 45.0242% owned equity investment accounted for using equity method in Unimos Shanghai. The equity transfer is expected to be completed in the first half of 2024.

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- Definition

The entire disclosure for events after the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 10
-IssueDate 2023-01-01
-Section Disclosure
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=10&code=ifrs-tx-2023-en-r&doctype=Standard&dita_xref=IAS10_g17-22_TI
-URIDate 2023-03-23

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- Definition

Significant events after the reporting period.

+ References

No definition available.

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