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Non-Financial Assets - Summary of Non-Financial Assets (Details) - KRW (₩) ₩ in Millions	Dec. 31, 2024	Dec. 31, 2023
Current non-financial assets [Abstract]
Advance payments	₩ 467,156	₩ 300,350
Prepaid expenses	431,087	440,079
Greenhouse gas emissions rights	211,969	25,246
Other quick assets	157,702	343,646
Others	369,671	368,892
Current non-financial assets	1,267,914	1,109,321
Non-current non-financial assets [Abstract]
Advance payments	66,174	75,489
Prepaid expenses	221,922	214,022
Greenhouse gas emissions rights	0	0
Other quick assets	40,108	60,659
Others	40,108	60,659
Non-current non-financial assets	₩ 328,204	₩ 350,170

X

- Definition

The amount recognised as a current asset for expenditures made prior to the period when the economic benefit will be realised.

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The amount of current prepayments. [Refer: Prepayments]

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The amount of current non-financial assets that the entity does not separately disclose in the same statement or note. [Refer: Financial assets]

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The amount of non-current non-financial assets that the entity does not separately disclose in the same statement or note. [Refer: Financial assets]

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Current greenhouse gas emissions rights.

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Current miscellaneous non-financial assets.

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Non-current greenhouse gas emissions rights.

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