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Related Party Transactions - Summary of Transactions Prior Liquidation (Detail) - KRW (₩) ₩ in Millions | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Acquisition of right of use assets [member] |  |  |
Statement [Line Items] |  |  |
Dividend Income | ₩ 7 | ₩ 1,966 |
Acquisition of right of use assets [member] | HD Hyundai Robotics Co., Ltd.(formerly Hyundai Robotics Co., Ltd.) [member] |  |  |
Statement [Line Items] |  |  |
Dividend Income | 0 |  |
Acquisition of right of use assets [member] | K-Realty 11th Real Estate Investment Trust Company [Member] |  |  |
Statement [Line Items] |  |  |
Dividend Income | 7 | 1,966 |
Interest income [member] |  |  |
Statement [Line Items] |  |  |
Dividend Income | 8,264 | 3,052 | ₩ 223
Interest income [member] | Korea Information & Technology Investment Fund (KIF Investment Fund) [member] |  |  |
Statement [Line Items] |  |  |
Dividend Income |  |  | 223
Interest income [member] | K Bank Inc.[Member] |  |  |
Statement [Line Items] |  |  |
Dividend Income | 8,264 | 3,052 |
Interest Expense [member] |  |  |
Statement [Line Items] |  |  |
Payables | 261 | 260 | 205
Interest Expense [member] | K-Realty CR-REITs No.1 [member] |  |  |
Statement [Line Items] |  |  |
Payables |  |  | 205
Interest Expense [member] | K-Realty 11th Real Estate Investment Trust Company [Member] |  |  |
Statement [Line Items] |  |  |
Payables | 261 | 260 |
Dividend Income [member] |  |  |
Statement [Line Items] |  |  |
Dividend Income | 1,786 | 54,869 | 48,779
Dividend Income [member] | K-Realty CR-REITs No.1 [member] |  |  |
Statement [Line Items] |  |  |
Dividend Income |  | 45,549 | 40,142
Dividend Income [member] | K-Realty 11th Real Estate Investment Trust Company [Member] |  |  |
Statement [Line Items] |  |  |
Dividend Income | 507 | 162 |
Dividend Income [member] | Others [member] |  |  |
Statement [Line Items] |  |  |
Dividend Income | ₩ 1,279 | ₩ 9,158 | ₩ 8,637

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