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Segment Information - Summary of Non-Current Assets by Geographical Regions (Details) - KRW (₩)
₩ in Millions
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure of geographical areas [line items]      
Non-current assets ₩ 23,506 ₩ 14,492 ₩ 16,653
Korea      
Disclosure of geographical areas [line items]      
Non-current assets 15,488 9,183 10,884
Overseas      
Disclosure of geographical areas [line items]      
Non-current assets ₩ 8,018 ₩ 5,309 ₩ 5,769