Significant Accounting Policies - Schedule of Investments at Fair Value (Details) - USD ($)	Jan. 31, 2026	Jan. 31, 2025
Level 1 [Member]
Schedule of Investments at Fair Value [Line Items]
Investment at fair value	$ 2,903,285,932	$ 1,314,597,403
Level 2 [Member]
Schedule of Investments at Fair Value [Line Items]
Investment at fair value
Level 3 [Member]
Schedule of Investments at Fair Value [Line Items]
Investment at fair value
Investment in Gold [Member] \| Level 1 [Member]
Schedule of Investments at Fair Value [Line Items]
Investment at fair value	2,903,285,932	1,314,597,403
Investment in Gold [Member] \| Level 2 [Member]
Schedule of Investments at Fair Value [Line Items]
Investment at fair value
Investment in Gold [Member] \| Level 3 [Member]
Schedule of Investments at Fair Value [Line Items]
Investment at fair value

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

- Definition

Fair value of investment in security owned.

+ References

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+ Details

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