Cash and Cash Equivalents and Deposits in Banks - Summary of Cash and Cash Equivalents and Deposits in Bank (Parenthetical) (Detail) ₩ in Millions	Dec. 31, 2024 KRW (₩)
Disclosure of detailed information about financial instruments [line items]
Cash and cash equivalents included in assets held for sale	₩ 158,415

The amount of cash and cash equivalents that are classified as a part of a disposal group held for sale. [Refer: Cash and cash equivalents; Disposal groups classified as held for sale [member]]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 7
-IssueDate 2025-01-01
-Paragraph 45
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_45&doctype=Standard
-URIDate 2025-03-27

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