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Related Parties - Sponsor - Additional Information (Detail) - USD ($)
4 Months Ended 5 Months Ended 9 Months Ended
Jun. 30, 2022
Feb. 22, 2022
Jun. 30, 2022
Sponsor [Member]      
Related Party Transaction [Line Items]      
Percentage of operating expenses annual fee of net asset value 0.10% 0.18%  
Stockholders' equity, reverse stock split     one-for-two reverse stock split of the Shares which now represent 1/50th of an ounce of gold
Maximum [Member]      
Related Party Transaction [Line Items]      
Legal fees     $ 100,000
SPDR Gold Mini Shares Trust [Member] | Sponsor [Member]      
Related Party Transaction [Line Items]      
Percentage of operating expenses annual fee of net asset value 0.10% 0.18%  
Stockholders' equity, reverse stock split     one-for-two reverse stock split of the Shares which now represent 1/50th of an ounce of gold
SPDR Gold Mini Shares Trust [Member] | Maximum [Member]      
Related Party Transaction [Line Items]      
Legal fees     $ 100,000