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v3.23.1

Related Party Balances and Transactions (Details) - Schedule of other payables – related parties - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Related Party Balances and Transactions (Details) - Schedule of other payables – related parties [Line Items] |  |
Other payables - related parties | $ 24,404 | $ 195,732
Shanghai Highlight Asset Management Co. LTD [Member] |  |
Related Party Balances and Transactions (Details) - Schedule of other payables – related parties [Line Items] |  |
Relationship | A company in which shareholder hold shares |
Other payables - related parties | $ 24,404 | $ 195,732

X
- Definition Other payable to related parties. + References No definition available. + Details
Name: | gdc_OtherPayableRelatedPartiesCurrent
Namespace Prefix: | gdc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | gdc_RelatedPartyBalancesandTransactionsDetailsScheduleofotherpayablesrelatedpartiesLineItems
Namespace Prefix: | gdc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Related party relationship. + References No definition available. + Details
Name: | gdc_RelatedPartyRelationship
Namespace Prefix: | gdc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=gdc_ShanghaiHighlightAssetManagementCoLTDMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |