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v3.25.2

Prepayments, Net - Schedule of Movement of Allowance for Doubtful Account (Details) - USD ($) | 12 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Schedule of Movement of Allowance for Doubtful Account [Abstract] |  |  |
Beginning balance | $ 209,412 | $ 51,755 | $ 71,227
(Recovery) Addition | (94,786) | 157,623 | (10,105)
Write-off |  |  | (8,894)
Translation adjustment | 166 | 34 | (473)
Ending balance | $ 114,792 | $ 209,412 | $ 51,755

X
- Definition Amount of allowance for credit loss on prepayments. + References No definition available. + Details
Name: | gcl_AllowanceForDoubtfulAccountsPrepayments
Namespace Prefix: | gcl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represent the amount of allowance doubtful accounts prepayments recovery additions. + References No definition available. + Details
Name: | gcl_AllowanceForDoubtfulAccountsPrepaymentsRecoveryAddition
Namespace Prefix: | gcl_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represent the amount of allowance for doubtful accounts prepayment translation adjustments. + References No definition available. + Details
Name: | gcl_AllowanceForDoubtfulAccountsPrepaymentsTranslationAdjustment
Namespace Prefix: | gcl_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represent the amount of allowance of doubtful accounts prepayment write off. + References No definition available. + Details
Name: | gcl_AllowanceForDoubtfulAccountsPrepaymentsWriteoff
Namespace Prefix: | gcl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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