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v3.8.0.1

Fund Expenses - Additional Information (Detail) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2018 | Sep. 30, 2017
Percentage of operating expenses annual fee of net asset value | 0.50% | 0.50%
Sponsor [Member] |  |
Percentage of operating expenses annual fee of net asset value | 0.33% | 0.33%
Gold Delivery Providers [Member] |  |
Percentage of operating expenses annual fee of net asset value | 0.17% | 0.17%
SPDR Long Dollar Gold Trust [Member] |  |
Percentage of operating expenses annual fee of net asset value | 0.50% | 0.50%
SPDR Long Dollar Gold Trust [Member] | Sponsor [Member] |  |
Percentage of operating expenses annual fee of net asset value | 0.33% | 0.33%
SPDR Long Dollar Gold Trust [Member] | Gold Delivery Providers [Member] |  |
Percentage of operating expenses annual fee of net asset value | 0.17% | 0.17%

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- Details
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