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Employment Benefits - Summary of Employment Benefits (Details) - KRW (₩) ₩ in Millions	Dec. 31, 2022	Dec. 31, 2021
Disclosure of net defined benefit liability (asset) [abstract]
Net defined benefit asset	₩ 198,626	₩ 20,871
Net defined benefit obligations	825,927	1,675,741
Other long-term employee benefit obligations	₩ 2,794	₩ 3,417

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- References

No definition available.

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- Definition

The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 19
-IssueDate 2022-03-24
-Paragraph 140
-Subparagraph a
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-URIDate 2022-03-24

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- Definition

The amount of non-current net defined benefit asset. [Refer: Net defined benefit asset]

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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

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- Definition

Other long-term employee benefit obligations.

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No definition available.

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