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Revenue from Contracts with Customers - Changes in Contract Liabilities (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Revenue From Contracts With Customers [Abstract] |  |  |
Balance at January 1 | ₩ 13,793 | ₩ 10,846 | ₩ 20,074
Increase related to micro-transaction and subscription revenue | 26,380 | 29,124 | 66,232
Increase related to royalties and license fees | 204 | 14,330 | 0
Increase related to website and application development contract | 8,456 | 4,580 | 5,038
Decrease upon satisfaction of performance obligations - micro-transaction and subscription revenue | (26,645) | (24,980) | (69,507)
Decrease upon satisfaction of performance obligations -royalties and license fees | (394) | (15,426) | (5,407)
Decrease due to termination of contract | 0 | 0 | (413)
Decrease upon satisfaction of performance obligations - website and application development | (8,215) | (4,681) | (5,171)
Balance at December 31 | ₩ 13,579 | ₩ 13,793 | ₩ 10,846

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- Definition Contract liabilities decrease by satisfaction of performance obligations under micro-transaction and subscription revenue. + References No definition available. + Details
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- Definition Contract liabilities decrease by satisfaction of performance obligations under royalties and license fees. + References No definition available. + Details
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- Definition Contract liabilities increase by micro-transaction and subscription revenue. + References No definition available. + Details
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- Definition Contract liabilities increase by royalties and license fees. + References No definition available. + Details
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- Definition Contract Liabilities Increase by Website and Application Development Contract + References No definition available. + Details
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- Definition Decrease through termination of contract, contract liabilities. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- References No definition available. + Details
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Balance Type: | na
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- Definition The amount of an entity’s obligation to transfer goods or services to a customer for which the entity has received consideration (or the amount is due) from the customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2021-01-01 -Paragraph 105 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_105&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2021-01-01 -Paragraph 116 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_116_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The decrease in contract liabilities resulting from the performance obligation being satisfied. [Refer: Contract liabilities; Performance obligations [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 15 -IssueDate 2021-01-01 -Paragraph 118 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_118_e&doctype=Standard -URIDate 2021-03-24 + Details
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