Related Party Transactions - Additional Information (Details) - KRW (₩) ₩ in Millions	Dec. 31, 2025	Dec. 31, 2024
Kiamco Data Center Blind Fund
Disclosure of transactions between related parties [line items]
Investment in related party	₩ 85,834
K Bank Inc.
Disclosure of transactions between related parties [line items]
Credit card contract threshold limit	₩ 1,486	₩ 1,447

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.

No definition available.

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