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Service Providers and Related Party Agreements - Additional Information (Detail) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Related Party Transaction [Line Items] |  |  |  |
Managing owner waived fees | $ 35,515 | $ 5,734 | $ 74,444 | $ 20,480
Managing Owner [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Management fee percentage per annum of daily NAV |  |  | 0.75% |
Fee waiver termination notice period |  |  | The Managing Owner has contractually agreed to waive indefinitely the fees that it receives in an amount equal to the indirect management fees that the Fund incurs through its investments in affiliated money market mutual funds and/or affiliated T-Bill ETFs. The Managing Owner may terminate this fee waiver on 60 days’ notice |
Fee waiver termination notice period |  |  | 60 days |

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