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Related Parties - Summary of Guarantees Provided To Related Parties (Parentheticals) (Details) - 12 months ended Dec. 31, 2023 $ in Thousands, ₩ in Millions | KRW (₩) | USD ($)
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KEPXe Pian Xe Namnoy Power [Member] |  |
Disclosure of Guarantees provided between the related parties [Line Items] |  |
Provision of guarantees or collateral by entity | $ |  | $ 5,000
Derivative liabilities [Member] |  |
Disclosure of Guarantees provided between the related parties [Line Items] |  |
Provision of guarantees or collateral by entity | ₩ 18,753 |
Acquisition cost of the securities [Member] |  |
Disclosure of Guarantees provided between the related parties [Line Items] |  |
Provision of guarantees or collateral by entity | 47,067 |
Other provisions [member] |  |
Disclosure of Guarantees provided between the related parties [Line Items] |  |
Provision of guarantees or collateral by entity | 8,418 |
Impairment loss [Member] | Naepo Green Energy Co., Ltd [Member] |  |
Disclosure of Guarantees provided between the related parties [Line Items] |  |
Provision of guarantees or collateral by entity | ₩ 29,200 |

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- Definition The amount of guarantees or collateral provided by the entity in related party transactions. [Refer: Guarantees [member]; Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 24 -IssueDate 2023-01-01 -Paragraph 21 -Subparagraph h -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_21_h&doctype=Standard -URIDate 2023-03-23 + Details
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- References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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Balance Type: |
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