v3.25.1
Segment Information - Summary of Segment Information (Details) - KRW (₩)
₩ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of operating segments [line items]      
Revenue ₩ 500,845 ₩ 725,516 ₩ 463,618
Segment operating profit 85,384 160,367 104,708
Operating Segments      
Disclosure of operating segments [line items]      
Segment revenue 579,821 815,372 533,428
Revenue 500,845 725,516 463,618
Depreciation/Amortization 9,233 7,658 7,062
Segment operating profit 85,384 160,367 104,708
Operating Segments | Online      
Disclosure of operating segments [line items]      
Segment revenue 90,832 96,487 107,326
Revenue 76,989 81,017 89,257
Depreciation/Amortization 1,725 1,436 1,349
Segment operating profit 34,211 44,107 45,832
Operating Segments | Mobile      
Disclosure of operating segments [line items]      
Segment revenue 465,026 697,736 404,362
Revenue 405,676 629,604 358,771
Depreciation/Amortization 2,699 2,158 1,873
Segment operating profit 55,371 122,107 58,357
Operating Segments | Others      
Disclosure of operating segments [line items]      
Segment revenue 23,963 21,149 21,740
Revenue 18,180 14,895 15,590
Depreciation/Amortization 4,809 4,064 3,840
Segment operating profit (4,198) (5,847) 519
Inter- Segment Eliminations      
Disclosure of operating segments [line items]      
Revenue (78,976) (89,856) (69,810)
Inter- Segment Eliminations | Online      
Disclosure of operating segments [line items]      
Revenue (13,843) (15,470) (18,069)
Inter- Segment Eliminations | Mobile      
Disclosure of operating segments [line items]      
Revenue (59,350) (68,132) (45,591)
Inter- Segment Eliminations | Others      
Disclosure of operating segments [line items]      
Revenue ₩ (5,783) ₩ (6,254) ₩ (6,150)