Financial Risk Management - Maximum Exposure to Credit Risk of Financial Assets (Parenthetical) (Detail) ₩ in Millions	Dec. 31, 2024 KRW (₩)
Disclosure of nature and extent of risks arising from financial instruments [abstract]
Financial assets	₩ 1,123,869

The amount of instruments representing indebtedness held by the entity that are measured at fair value through other comprehensive income. [Refer: Debt instruments held; Financial assets measured at fair value through other comprehensive income]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard
-URIDate 2024-03-27

Name:	ifrs-full_DebtInstrumentsHeldMeasuredAtFairValueThroughOtherComprehensiveIncome
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant