Contract assets and contract liabilities.

No definition available.

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- Definition

The amount of assets recognised from the costs to obtain or fulfil contracts with customers. The costs to obtain a contract with a customer are the incremental costs of obtaining the contract that the entity would not have incurred if the contract had not been obtained. The costs to fulfil a contract with a customer are the costs that relate directly to a contract or to an anticipated contract that the entity can specifically identify.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2020-01-01
-Paragraph 128
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2020-en-r&anchor=para_128_a&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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 2020-01-01
-Paragraph 105
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2020-en-r&anchor=para_105&doctype=Standard
-URIDate 2020-01-01

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2020-01-01
-Paragraph 116
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2020-en-r&anchor=para_116_a&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_ContractLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of an entity’s right to consideration in exchange for goods or services that the entity has transferred to a customer that is unconditional. A right to consideration is unconditional if only the passage of time is required before payment of that consideration is due.

+ References

+ Details

Name:	ifrs-full_ReceivablesFromContractsWithCustomers
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

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- Details

Name:	ifrs-full_ProductsAndServicesAxis=grvy_RoyaltiesAndLicenseFeesMember
Namespace Prefix:
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- Details

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Revenue from Contracts with Customers - Account Receivables, Incremental Costs of Obtaining a Contract, and Contract Liabilities (Details) - KRW (₩) ₩ in Millions	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Contract Assets And Contract Liabilities Line Item
Accounts receivables	₩ 59,761	₩ 32,253
Incremental costs of obtaining a contract (Prepaid expenses)	1,277	998
Contract liabilities	13,793	10,846	₩ 20,074	₩ 22,681
Micro-transaction and Subscription Revenue
Contract Assets And Contract Liabilities Line Item
Contract liabilities	12,886	8,742
Royalties and License Fees
Contract Assets And Contract Liabilities Line Item
Contract liabilities	307	1,403
Website and Application Development
Contract Assets And Contract Liabilities Line Item
Contract liabilities	₩ 600	₩ 701