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Financial Instruments - Impairment Losses on Financial Assets (Parenthetical) (Detail) - KRW (₩) ₩ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Other financial asset [member]
Disclosure of financial assets [line items]
Write-off of receivables	₩ 33,648	₩ 75,349

X

- Definition

The decrease in financial assets resulting from write-off. [Refer: Financial assets]

+ References

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

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