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v3.23.1

Statements of Appropriation of Retained Earnings (Disposition of Deficit) (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Statement of Appropriation of Retained Earnings [Line Items] |  |  |
Undisposed deficit carried over from prior years | ₩ 10,370,517 |  |
Net loss | (24,429,108) | ₩ (5,215,581) | ₩ 2,093,683
Remeasurement of the defined benefit plan | 663,095 | 210,409 | ₩ (69,804)
Separate [member] |  |  |
Statement of Appropriation of Retained Earnings [Line Items] |  |  |
Undisposed deficit carried over from prior years | 0 | 0 |
Net loss | (25,297,713) | (5,607,732) |
Remeasurement of the defined benefit plan | 327,056 | 107,884 |
Retained earnings before appropriations | (24,970,657) | (5,499,848) |
Transfer from voluntary reserves | 24,970,657 | 5,499,848 |
Subtotal (I+II) | 0 | 0 |
Undisposed deficit to be carried over forward to subsequent year | ₩ 0 | ₩ 0 |

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