v3.26.1
Goodwill - Details of the Changes in Goodwill (Detail) - KRW (₩)
₩ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of reconciliation of changes in goodwill [abstract]    
Beginning balance ₩ 2,072,493 ₩ 2,075,009
Reclassified as assets held for sale [1]   (2,516)
Ending balance ₩ 2,072,493 ₩ 2,072,493
[1] The Group decided to dispose of the shares of NATE Communications Corporation (formerly, SK Communications Co., Ltd.) and SK m&service Co., Ltd., the consolidated subsidiaries, and reclassified the goodwill amounting to ₩2,516 million of SK m&service Co., Ltd. as assets held for sale.