v3.25.2
Investment in Gold - Schedule of changes in ounces of gold and respective fair value (Details)
 3 Months Ended 6 Months Ended
Jun. 30, 2025
USD ($)
oz
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
oz
Jun. 30, 2024
USD ($)
Schedule Of Changes In Ounces Of Gold And Respective Fair Value [Abstract]        
Balance at beginning (in Ounces) | oz 415,560.7   340,786.6  
Creations (in Ounces) | oz 70,717   145,644.5  
Redemptions (in Ounces) | oz (16,301)   (16,301)  
Net realized gain (loss) from gold bullion distributed for redemptions | oz    
Sale of gold to pay expenses (in Ounces) | oz (190.1)   (343.5)  
Net realized gain (loss) from gold sold to pay expenses (in Ounces) | oz    
Change in unrealized appreciation (depreciation) on investment in gold (in Ounces) | oz    
Balance at ending (in Ounces) | oz 469,786.6   469,786.6  
Investment in gold, fair value, beginning balance | $ $ 1,294,512,987   $ 889,742,864  
Creations | $ 232,338,302   449,212,702  
Redemptions | $ (52,634,108)   (52,634,108)  
Net realized gain (loss) from gold bullion distributed for redemptions | $ 22,098,194   22,098,194  
Sale of gold to pay expenses | $ (616,701)   (1,043,511)  
Net realized gain (loss) from gold sold to pay expenses | $ (18,373)   (25,147)  
Change in unrealized appreciation (depreciation) on investment in gold | $ 48,719,664 $ 33,065,255 237,048,971 $ 72,025,826
Investment in gold, fair value, ending balance | $ $ 1,544,399,965   $ 1,544,399,965