Schedules of Investments (Unaudited) - Investments (Details)	Sep. 30, 2025 USD ($) oz	Jun. 30, 2025 USD ($) oz	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($) oz	Sep. 30, 2024 USD ($) oz	Jun. 30, 2024 USD ($) oz	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($) oz
Gold bullion (Ounce) | oz	1,234,349	924,926		520,730	551,749	515,421		592,464
Investment in gold bullion, cost	$ 3,481,341,702	$ 2,376,971,424		$ 1,038,334,101	$ 1,079,058,547	$ 985,998,676		$ 1,105,542,600
Gold bullion fair value	4,721,754,380			1,359,548,424
Less Liabilities	(237,152)			(81,542)
Net Assets	$ 4,721,517,228	$ 3,040,481,372	$ 2,140,599,822	$ 1,359,466,882	$ 1,450,991,617	$ 1,201,326,993	$ 1,093,941,616	$ 1,221,830,170