v3.26.1
Schedules of Investments - Schedules of Investments (Details)
Mar. 31, 2026
USD ($)
oz
Dec. 31, 2025
USD ($)
oz
Dec. 31, 2024
oz
Summary of Investment Holdings [Line Items]      
Ounces (in Grams) | oz 611,991.8 590,283 340,786.6
Cost $ 1,719,879,082 $ 1,590,130,354  
Investment in gold, at fair value [Member]      
Summary of Investment Holdings [Line Items]      
Ounces (in Grams) | oz 611,991.8 590,283  
Cost $ 1,719,879,082 $ 1,590,130,354  
Fair Value $ 2,820,272,587 $ 2,542,909,779  
% of Net Assets 100.02% 100.01%  
Total Investments [Member]      
Summary of Investment Holdings [Line Items]      
Cost $ 1,719,879,082 $ 1,590,130,354  
Fair Value $ 2,820,272,587 $ 2,542,909,779  
% of Net Assets 100.02% 100.01%  
Liabilities in excess of other assets [Member]      
Summary of Investment Holdings [Line Items]      
Fair Value $ (460,790) $ (380,937)  
% of Net Assets (0.02%) (0.01%)  
Net Assets [Member]      
Summary of Investment Holdings [Line Items]      
Fair Value $ 2,819,811,797 $ 2,542,528,842  
% of Net Assets 100.00% 100.00%