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Combined Schedules of Investment $ in Thousands	Jun. 30, 2022 USD ($) oz	Sep. 30, 2021 USD ($) oz
Schedule of Investments [Line Items]
Total Investments, % of Net Assets	100.01%	100.02%
Liabilities in excess of other assets	(0.01%)	(0.02%)
Net Assets, % of Net Assets	100.00%	100.00%
Total Investments, Fair Value	$ 5,094,532	$ 4,387,731
Liabilities in excess of other assets	(425)	(666)
Net Assets, Fair Value	5,094,107	4,387,065
Total Investments, Cost	$ 4,858,940	$ 4,237,696
Investment in Gold [Member]
Schedule of Investments [Line Items]
Total Investments, % of Net Assets	100.01%	100.02%
Total Investments, Fair Value	$ 5,094,532	$ 4,387,731
Total Investments, Ounces of gold | oz	2,803,800	2,517,600
Total Investments, Cost	$ 4,858,940	$ 4,237,696
SPDR Gold Mini Shares Trust [Member]
Schedule of Investments [Line Items]
Total Investments, % of Net Assets	100.01%	100.02%
Liabilities in excess of other assets	(0.01%)	(0.02%)
Net Assets, % of Net Assets	100.00%	100.00%
Total Investments, Fair Value	$ 5,094,532	$ 4,387,731
Liabilities in excess of other assets	(425)	(666)
Net Assets, Fair Value	5,094,107	4,387,065
Total Investments, Cost	$ 4,858,940	$ 4,237,696
SPDR Gold Mini Shares Trust [Member] | Investment in Gold [Member]
Schedule of Investments [Line Items]
Total Investments, % of Net Assets	100.01%	100.02%
Total Investments, Fair Value	$ 5,094,532	$ 4,387,731
Total Investments, Ounces of gold | oz	2,803,800	2,517,600
Total Investments, Cost	$ 4,858,940	$ 4,237,696

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Percentage of net assets on net assets.

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Fair value of asset after deduction of liability.

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Cost of the investment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section 50
-Paragraph 6
-Subparagraph (b)
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Value of the investment at close of period. For schedules of investments that are categorized, the value would be aggregated by category. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.

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Quantity of the investment. Indicate the measure in the unit of measure. This is commonly used for investments other than securities. For example, if the investment is gold, the balance would be the number of ounces and the unit of measure would indicate "ounces".

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Percent of net assets at close of period. For schedules of investments that are categorized, each category has a percent of net assets for the aggregated value of the Investments in the category.

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The net of non investment assets and liabilities. This amount represents the difference between the aggregate value of the investments, including long and short positions, and net assets.

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The percent of net assets of non investment assets and liabilities. This represents the percentage difference between the investments, including long and short positions, and net assets.

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