XML 84 R70.htm IDEA: XBRL DOCUMENT
v3.21.1

Intangible Assets - Summary of Intangible Assets (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | --- | ---
Disclosure Of Intangible Assets [Line Items] |  |  |  |
Intangible assets | ₩ 3,363 | ₩ 1,717 | ₩ 1,163 | ₩ 1,036
Software |  |  |  |
Disclosure Of Intangible Assets [Line Items] |  |  |  |
Intangible assets | 2,234 | 1,144 | 991 | 64
Industrial Property Rights |  |  |  |
Disclosure Of Intangible Assets [Line Items] |  |  |  |
Intangible assets | 332 | 186 | ₩ 72 | ₩ 77
Other Intangible Assets |  |  |  |
Disclosure Of Intangible Assets [Line Items] |  |  |  |
Intangible assets | 797 | 387 |  |
Accumulated Amortization |  |  |  |
Disclosure Of Intangible Assets [Line Items] |  |  |  |
Intangible assets | (16,345) | (15,093) |  |
Accumulated Amortization | Software |  |  |  |
Disclosure Of Intangible Assets [Line Items] |  |  |  |
Intangible assets | (12,069) | (11,172) |  |
Accumulated Amortization | Industrial Property Rights |  |  |  |
Disclosure Of Intangible Assets [Line Items] |  |  |  |
Intangible assets | (527) | (488) |  |
Accumulated Amortization | Other Intangible Assets |  |  |  |
Disclosure Of Intangible Assets [Line Items] |  |  |  |
Intangible assets | (3,749) | (3,433) |  |
Acquisition Price |  |  |  |
Disclosure Of Intangible Assets [Line Items] |  |  |  |
Intangible assets | 19,708 | 16,810 |  |
Acquisition Price | Software |  |  |  |
Disclosure Of Intangible Assets [Line Items] |  |  |  |
Intangible assets | 14,303 | 12,316 |  |
Acquisition Price | Industrial Property Rights |  |  |  |
Disclosure Of Intangible Assets [Line Items] |  |  |  |
Intangible assets | 859 | 674 |  |
Acquisition Price | Other Intangible Assets |  |  |  |
Disclosure Of Intangible Assets [Line Items] |  |  |  |
Intangible assets | ₩ 4,546 | ₩ 3,820 |  |

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfIntangibleAssetsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of identifiable non-monetary assets without physical substance. This amount does not include goodwill. [Refer: Goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2020-01-01 -Paragraph 118 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2020-en-r&anchor=para_118_e&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 54 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_54_c&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_IntangibleAssetsOtherThanGoodwill
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis=ifrs-full_ComputerSoftwareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis=grvy_IndustrialPropertyRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis=grvy_OtherIntangibleAssetsIncludingLicenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis=ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis=ifrs-full_GrossCarryingAmountMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |