Schedules of Investment (Details) - Schedule of Investment - USD ($)		Jan. 31, 2024	Jan. 31, 2023
Gold bullion [Member]
Schedule of Investments [Line Items]
Fine Ounces		$ 383,204	$ 341,282
Cost		659,416,378	572,123,322
Value		$ 780,184,353	$ 656,592,807
% of Net Assets		100.00%	100.00%
Total investments [Member]
Schedule of Investments [Line Items]
Fine Ounces		$ 383,204	$ 341,282
Cost		659,416,378	572,123,322
Value		$ 780,184,353	$ 656,592,807
% of Net Assets		100.00%	100.00%
Liabilities in excess of other assets [Member]
Schedule of Investments [Line Items]
Value	[1]	$ (6)	$ (9)
% of Net Assets	[1]	0.00%	0.00%
Net assets [Member]
Schedule of Investments [Line Items]
Value		$ 780,184,347	$ 656,592,798
% of Net Assets		100.00%	100.00%

[1] Amount is less than 0.005%.