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Financial Instruments - Maturity Analysis of Derivative Financial Liabilities (Detail) ₩ in Millions	Dec. 31, 2025 KRW (₩)
Within 1 year [member]
Disclosure of maturity analysis for derivative financial liabilities [line items]
Derivative financial liabilities	₩ 49,947
Within 1 year [member] | Currency forward [member]
Disclosure of maturity analysis for derivative financial liabilities [line items]
Derivative financial liabilities	20,857
Within 1 year [member] | Currency swap [member]
Disclosure of maturity analysis for derivative financial liabilities [line items]
Derivative financial liabilities	12,629
Within 1 year [member] | Others [member]
Disclosure of maturity analysis for derivative financial liabilities [line items]
Derivative financial liabilities	16,461
1 year - 5 years [member]
Disclosure of maturity analysis for derivative financial liabilities [line items]
Derivative financial liabilities	7,627
1 year - 5 years [member] | Currency forward [member]
Disclosure of maturity analysis for derivative financial liabilities [line items]
Derivative financial liabilities	1,958
1 year - 5 years [member] | Currency swap [member]
Disclosure of maturity analysis for derivative financial liabilities [line items]
Derivative financial liabilities	5,669
1 year - 5 years [member] | Others [member]
Disclosure of maturity analysis for derivative financial liabilities [line items]
Derivative financial liabilities	0
After 5 years [member]
Disclosure of maturity analysis for derivative financial liabilities [line items]
Derivative financial liabilities	57,574
After 5 years [member] | Currency forward [member]
Disclosure of maturity analysis for derivative financial liabilities [line items]
Derivative financial liabilities	22,815
After 5 years [member] | Currency swap [member]
Disclosure of maturity analysis for derivative financial liabilities [line items]
Derivative financial liabilities	18,298
After 5 years [member] | Others [member]
Disclosure of maturity analysis for derivative financial liabilities [line items]
Derivative financial liabilities	₩ 16,461

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- Definition

The amount of financial liabilities classified as derivative instruments. [Refer: Financial assets; Derivatives [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 55
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-URIDate 2025-03-27

+ Details

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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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