General information (Details) $ in Millions |
3 Months Ended | |||
|---|---|---|---|---|
|
Mar. 31, 2026
brand
₩ / shares
|
Mar. 31, 2025
₩ / shares
|
Sep. 02, 2021
₩ / shares
shares
|
Dec. 31, 2017
USD ($)
|
|
| Disclosure of subsidiaries [line items] | ||||
| Number of brands | brand | 4 | |||
| Par value per share (in KRW per share) | ₩ 10,000 | ₩ 10,000 | ||
| American depositary shares | ||||
| Disclosure of subsidiaries [line items] | ||||
| Number of depositary shares per common share (in shares) | shares | 0.05 | |||
| Par value per share (in KRW per share) | ₩ 10,000 | |||
| DoubleDown Interactive LLC | ||||
| Disclosure of subsidiaries [line items] | ||||
| Total purchase consideration | $ | $ 825 | |||
| DoubleU Games | DoubleDown Interactive Co., Ltd. | ||||
| Disclosure of subsidiaries [line items] | ||||
| Percentage of ownership | 67.10% |