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Other Receivables (Details) - Schedule of Other Receivables - USD ($) | Sep. 30, 2023 | Dec. 31, 2022
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Schedule of Other Receivables [Abstract] |  |
Receivable from disposal of Wuge |  | $ 948,000
Receivable from disposal of Highlight Media | 100,000 |
Interest receivable from convertible notes | 46,575 |
Others |  | 78,293
Total other receivables, net | $ 146,575 | $ 1,026,293

X
- Definition Represents the amount of receivable from disposal of TMSR HK. + References No definition available. + Details
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Namespace Prefix: | gdc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the amount of receivable from disposal of Wuge. + References No definition available. + Details
Name: | gdc_ReceivableFromDisposalOfWuge
Namespace Prefix: | gdc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Amount, after allowance, receivable from customers, clients, or other third-parties, and receivables classified as other due within one year or the normal operating cycle, if longer. + References No definition available. + Details
Name: | us-gaap_AccountsAndOtherReceivablesNetCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, before allowance, of receivables classified as other, due within one year or the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(a)(4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, after allowance, of receivables classified as other, due within one year or the operating cycle, if longer. + References No definition available. + Details
Name: | us-gaap_OtherReceivablesNetCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant