Assets and Liabilities Held For Sale (Disposal Group) - Additional Information (Details) ₩ in Millions	12 Months Ended
Dec. 31, 2024 KRW (₩)
Disclosure of financial assets [line items]
Accumulated other comprehensive income held for sale	₩ 291,363
LG Display (China) Co., Ltd. [member]
Disclosure of financial assets [line items]
Percentage of Equity Investment Held for Sale	80.00%
LG Display Guangzhou Co., Ltd. [member]
Disclosure of financial assets [line items]
Percentage of Equity Investment Held for Sale	100.00%

The amount recognised in other comprehensive income and accumulated in equity, relating to non-current assets or disposal groups held for sale. [Refer: Non-current assets or disposal groups classified as held for sale; Other reserves; Other comprehensive income; Disposal groups classified as held for sale [member]]

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 5
-IssueDate 2024-01-01
-Section Example 12
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2024-en-r&doctype=Implementation%20Guidance&dita_xref=IFRS05_ex12_TI
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 5
-IssueDate 2024-01-01
-Paragraph 38
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2024-en-r&anchor=para_38&doctype=Standard
-URIDate 2024-03-27

Name:	ifrs-full_AmountRecognisedInOtherComprehensiveIncomeAndAccumulatedInEquityRelatingToNoncurrentAssetsOrDisposalGroupsHeldForSale
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant