v3.26.1
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