XML 77 R56.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Non-current financial assets at fair value through other comprehensive income (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Non-current financial assets at fair value through other comprehensive income [abstract] |
Summary of Non-current Financial Assets at Fair Value Through Other Comprehensive Income |
|  | December 31, 2022 |  | December 31, 2023
|  | NT$000 |  | NT$000
Designation of equity instruments |  |  |  |
Foreign unlisted stocks |  | 38,534 |  | 38,534
Valuation adjustment |  | 299,568 |  | 81,783
|  | 338,102 |  | 120,317
Summary Amounts recognized in other comprehensive income in relation to the financial assets at fair value through other comprehensive income |
|  | Year ended December 31,
|  | 2021 |  | 2022 |  | 2023
|  | NT$000 |  | NT$000 |  | NT$000
Financial assets at fair value through other comprehensive income |  |  |  |  |  |
Foreign unlisted stocks |  | 122,514 |  | (46,419) |  | (217,785)

X
- References No definition available. + Details
Name: | ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of amounts recognised in Other Comprehensive Income. + References No definition available. + Details
Name: | imos_DisclosureOfAmountsRecognisedInOtherComprehensiveIncomeExplanatory
Namespace Prefix: | imos_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of financial assets at fair value through other comprehensive income, securities. + References No definition available. + Details
Name: | imos_DisclosureOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSecuritiesExplanatory
Namespace Prefix: | imos_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration