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Service Providers and Related Party Agreements - Additional Information (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Related Party Transactions [Abstract]      
Management fee percentage per annum of daily NAV 0.75%    
Investment company contractual fee waiver termination period 60 days    
Fees waiver terms 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.    
Managing owner waived fees $ 92,116 $ 94,008 $ 43,095