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Material Accounting Policies - Additional Information (Details) - shares | Dec. 31, 2023 | Dec. 31, 2022
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Disclosure Of Significant Accounting Policies [Abstract] |  |
Common stock equivalents outstanding (in shares) | 0 | 0

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- Definition Disclosure of significant accounting policies. + References No definition available. + Details
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Namespace Prefix: | grvy_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 79 -Subparagraph a -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_79_a_iv&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_NumberOfSharesOutstanding
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant