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Note 3 - Related Parties - Sponsor (Details Textual)		3 Months Ended	5 Months Ended	34 Months Ended
	Feb. 23, 2022	Dec. 31, 2024 USD ($)	Feb. 22, 2022	Dec. 31, 2024
Sponsor fee		0.10%	0.18%	0.10%
Maximum [Member]
Legal Fees		$ 100,000
SPDR Gold Mini Shares Trust [Member]
Sponsor fee		0.10%	0.18%	0.10%
SPDR Gold Mini Shares Trust [Member] | Maximum [Member]
Legal Fees		$ 100,000
Sponsor [Member] | Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	2
Stockholders' Equity, Reverse Stock Split				one-for-two reverse stock split of the Shares which now represent 1/50th of an ounce of gold
Sponsor [Member] | SPDR Gold Mini Shares Trust [Member] | Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	2
Stockholders' Equity, Reverse Stock Split				one-for-two reverse stock split of the Shares which now represent 1/50th of an ounce of gold

X

- Definition

The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(6))
-SubTopic 10
-Topic 220
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

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X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-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

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X

- Definition

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 4.C)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-4

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X

- Definition

Description of the reverse stock split arrangement. Also provide the retroactive effect given by the reverse split that occurs after the balance sheet date but before the release of financial statements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 4.C)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-4

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X

- Details

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X

- Details

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