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Related Party Transactions - Summary of Transactions Prior Liquidation (Detail) - KRW (₩) ₩ in Millions | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Acquisition of right of use assets [member] |  |  |
Statements [Line Items] |  |  |
Dividend Income | ₩ 11 | ₩ 7 | ₩ 1,966
Acquisition of right of use assets [member] | HD Hyundai Robotics Co., Ltd.(formerly Hyundai Robotics Co., Ltd.) [member] |  |  |
Statements [Line Items] |  |  |
Dividend Income |  | 0 |
Acquisition of right of use assets [member] | K-Realty 11th Real Estate Investment Trust Company [Member] |  |  |
Statements [Line Items] |  |  |
Dividend Income | 11 | 7 | 1,966
Interest income [member] |  |  |
Statements [Line Items] |  |  |
Dividend Income | 6,678 | 8,264 | 3,052
Interest income [member] | K Bank Inc.[Member] |  |  |
Statements [Line Items] |  |  |
Dividend Income | 6,678 | 8,264 | 3,052
Interest Expense [member] |  |  |
Statements [Line Items] |  |  |
Payables | 182 | 261 | 260
Interest Expense [member] | K-Realty 11th Real Estate Investment Trust Company [Member] |  |  |
Statements [Line Items] |  |  |
Payables | 182 | 261 | 260
Dividend Income [member] |  |  |
Statements [Line Items] |  |  |
Dividend Income | 5,170 | 1,786 | 54,869
Dividend Income [member] | K-Realty CR-REITs No.1 [member] |  |  |
Statements [Line Items] |  |  |
Dividend Income |  |  | 45,549
Dividend Income [member] | K-Realty 11th Real Estate Investment Trust Company [Member] |  |  |
Statements [Line Items] |  |  |
Dividend Income | 401 | 507 | 162
Dividend Income [member] | Others [member] |  |  |
Statements [Line Items] |  |  |
Dividend Income | ₩ 4,769 | ₩ 1,279 | ₩ 9,158

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