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Revenue from Contracts with Customers - Transaction Price Allocated to Unsatisfied Performance Obligations (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
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Disclosure of transaction price allocated to remaining performance obligations [line items] |  |  |
Transaction price allocated to unsatisfied performance obligations | ₩ 19,875 | ₩ 18,574 | ₩ 13,579
Micro-transaction revenue |  |  |
Disclosure of transaction price allocated to remaining performance obligations [line items] |  |  |
Transaction price allocated to unsatisfied performance obligations | 17,159 | 16,787 | 12,622
Micro-transaction revenue | Online game |  |  |
Disclosure of transaction price allocated to remaining performance obligations [line items] |  |  |
Transaction price allocated to unsatisfied performance obligations | 10,216 | 9,918 | 9,374
Micro-transaction revenue | Mobile game |  |  |
Disclosure of transaction price allocated to remaining performance obligations [line items] |  |  |
Transaction price allocated to unsatisfied performance obligations | 6,943 | 6,869 | 3,248
Royalties and license fees |  |  |
Disclosure of transaction price allocated to remaining performance obligations [line items] |  |  |
Transaction price allocated to unsatisfied performance obligations | 2,426 | 101 | 117
Royalties and license fees | Online game |  |  |
Disclosure of transaction price allocated to remaining performance obligations [line items] |  |  |
Transaction price allocated to unsatisfied performance obligations | 164 | 49 | 96
Royalties and license fees | Mobile game |  |  |
Disclosure of transaction price allocated to remaining performance obligations [line items] |  |  |
Transaction price allocated to unsatisfied performance obligations | 2,262 | 52 | 21
Website and application development |  |  |
Disclosure of transaction price allocated to remaining performance obligations [line items] |  |  |
Transaction price allocated to unsatisfied performance obligations | ₩ 290 | ₩ 1,686 | ₩ 840

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- Definition The amount of the transaction price allocated to the performance obligations that are unsatisfied (or partially unsatisfied) as of the end of the reporting period. The transaction price is the amount of consideration to which an entity expects to be entitled in exchange for transferring promised goods or services to a customer, excluding amounts collected on behalf of third parties (for example, some sales taxes). [Refer: Performance obligations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2023-01-01 -Paragraph 120 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2023-en-r&anchor=para_120_a&doctype=Standard -URIDate 2023-03-23 + Details
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