Name:	fgdl_ExtraordinaryOrNonRoutineExpenses
Namespace Prefix:	fgdl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The ordinary legal fees and expenses incurred, assumed by the Sponsor in exchange for the Sponsor's fee. The sponsor is an advisor who provides certain management support and administrative oversight services including the organization and sale of stock, investment funds, limited partnerships and mutual funds.

No definition available.

Name:	fgdl_LegalFeesAndExpensesAssumedByTheSponser
Namespace Prefix:	fgdl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Number of business days to transfer ownership of gold from trade date, which is a standard settlement cycle for most broker-dealer securities transactions in the United States.

No definition available.

Name:	fgdl_MaximumNumberOfBusinessDaysToTransferOwnershipOfGoldFromTradeDate
Namespace Prefix:	fgdl_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Number of share per creation unit.

No definition available.

Name:	fgdl_NumberOfSharePerCreationUnit
Namespace Prefix:	fgdl_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	fgdl_SignificantAccountingPoliciesLineItems
Namespace Prefix:	fgdl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Transfer agent transaction processing fee per order.

No definition available.

Name:	fgdl_TransferAgentTransactionProcessingFeePerOrder
Namespace Prefix:	fgdl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Base rate for management and service fees under arrangement to manage operations, including, but not limited to, investment.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Name:	us-gaap_ManagementAndServiceFeesBaseRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Fees paid to advisors who provide certain management support and administrative oversight services including the organization and sale of stock, investment funds, limited partnerships and mutual funds.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2