Segment Information - Additional Information (Details) - Mobile ₩ in Millions	12 Months Ended
Dec. 31, 2022 KRW (₩) numberOfCustomers	Dec. 31, 2021 KRW (₩) numberOfCustomers
Disclosure of operating segments [line items]
Number of major customer \| numberOfCustomers	1	1
Revenue \| ₩	₩ 76,581	₩ 126,336
Percentage of entity's revenue	16.50%	30.40%

The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims.

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+ Details