XML 27 R10.htm IDEA: XBRL DOCUMENT v3.25.1

Date and Procedures of Authorization of Financial Statements for Issue	12 Months Ended
	Dec. 31, 2024
Disclosure Of Date And Procedures Of Authorization Of Financial Statements For Issue [Abstract]
Date and Procedures of Authorization of Financial Statements for Issue	2. DATE AND PROCEDURES OF AUTHORIZATION OF FINANCIAL STATEMENTS FOR ISSUE The consolidated financial statements of the Company were approved and authorized for issue by the audit committee of the Board of Directors on April 23, 2025.

X

- Definition

The disclosure of the authorisation of financial statements for issue.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 10
-Subparagraph e
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_10_e&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_DisclosureOfAuthorisationOfFinancialStatementsExplanatory
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The entire disclosure of date and procedures of authorization of financial statements for issue.

+ References

No definition available.

+ Details

Name:	umc_DisclosureOfDateAndProceduresOfAuthorizationOfFinancialStatementsForIssueAbstract
Namespace Prefix:	umc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration