Government Grants - Additional Information (Detail) - TWD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Government Grants [Abstract]
Government Grants	$ 75,164.3	$ 47,545.9	$ 7,051.4
Eligible percentage to apply for government grants	25.00%

The amount of income recognised in relation to government grants. [Refer: Government grants]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 20
-IssueDate 2024-01-01
-Paragraph 39
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=20&code=ifrs-tx-2024-en-r&anchor=para_39_b&doctype=Standard
-URIDate 2024-03-27

Name:	ifrs-full_RevenueFromGovernmentGrants
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration