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Investment Property - Summary of Changes in Investment Property (Details)
₩ in Millions
12 Months Ended
Dec. 31, 2022
KRW (₩)
Changes in investment property [abstract]  
Transfer from property, plant and equipment ₩ 36,809
Depreciation (804)
Impairment loss (7,736)
Investment property at end of period ₩ 28,269