Government Grants - Summary of Changes in Government Grants for Specific Business Projects (Details) - KRW (₩) ₩ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Disclosure of Detailed Information About Changes in Government Grants for Specific Business Projects [Line Items]
Beginning balance	₩ 512,747	₩ 511,210
Ending Balance	₩ 521,101	₩ 512,747
Temporary electricity bill support for small business owners
Disclosure of Detailed Information About Changes in Government Grants for Specific Business Projects [Line Items]
Department	Ministry of Trade, Industry and Energy	Ministry of Trade, Industry and Energy
Business Name	Temporary electricity bill support for small business owners	Temporary electricity bill support for small business owners
Description	Temporary electricity bill support for small business owners	Temporary electricity bill support for small business owners
Period	2021.04.01 ~2022.06.30	2021.04.01 ~2022.06.30
Budget	₩ 211,235	₩ 211,235
Beginning balance	17,735	748
Self- Payment, Contribution	0	0
Local Government, Contribution	0	0
Subsidies, Contribution	71,685	139,550
Self-Payment, Interests	0	0
Local Government, Interests	0	0
Subsidies, Interests	0	0
Self- Payment, Execution	0	0
Local Government, Execution	0	0
Subsidies, Execution	(88,300)	(122,563)
Self- Payment, Return	0	0
Local Government, Return	0	0
Subsidies, Return	0	0
Others	0	0
Ending Balance	₩ 1,120	₩ 17,735

The amount of assistance by government in the form of transfers of resources to an entity in return for past or future compliance with certain conditions relating to the operating activities of the entity, recognised as deferred income. They exclude those forms of government assistance that cannot reasonably have a value placed upon them and transactions with government that cannot be distinguished from the normal trading transactions of the entity. [Refer: Deferred income other than contract liabilities; Government [member]]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_55&doctype=Standard
-URIDate 2022-03-24