XML 65 R44.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

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.

X
- 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 + Details
Name: | ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Significant events after the reporting period. + References No definition available. + Details
Name: | imos_SignificantEventsAfterTheReportingPeriodAbstract
Namespace Prefix: | imos_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration