Financial Highlights (Details) - Schedule of Financial Highlights - $ / shares		12 Months Ended
		Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020
Schedule of financial highlights [Abstract]
Net asset value per share, beginning of year		$ 18.65	$ 17.45	$ 18.16	$ 15.48	$ 12.99
Net investment loss	[1]	(0.05)	(0.04)	(0.04)	(0.05)	(0.06)
Net realized and unrealized gain (loss) on investment in gold bullion		1.09	1.24	(0.67)	2.73	2.55
Net change in net assets from operations		1.04	1.2	(0.71)	2.68	2.49
Net asset value per share, end of year		$ 19.69	$ 18.65	$ 17.45	$ 18.16	$ 15.48
Total return, at net asset value		5.58%	6.88%	(3.91%)	17.31%	19.17%
Net investment loss		(0.25%)	(0.25%)	(0.25%)	(0.30%)	(0.40%)
Net expenses		0.25%	0.25%	0.25%	0.30%	0.40%

[1] Calculated using average shares outstanding.