Statements of Changes in Net Assets (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024
Statement of Stockholders' Equity [Abstract]
Net assets, beginning of period	$ 1,662,219,685	$ 904,160,052	$ 1,314,597,389	$ 780,184,347
Creations	107,885,022	50,757,386	226,399,621	77,545,575
Redemptions	(2,073,265)	(552,697)	(10,926,278)	(862,150)
Net investment loss	(1,079,987)	(606,009)	(1,973,954)	(1,122,402)
Net realized gain from gold bullion distributed for redemptions	816,815	133,437	4,040,610	196,116
Net change in unrealized appreciation (depreciation) on investment in gold bullion	(4,550,044)	64,214,008	231,080,838	162,164,691
Net assets, end of period	$ 1,763,218,226	$ 1,018,106,177	$ 1,763,218,226	$ 1,018,106,177