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Statements of Financial Condition (Unaudited) (Parenthetical) - USD ($) | Jun. 30, 2025 | Dec. 31, 2024
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US Treasury Bill Securities [Member] |  |  |
Investments in Securities, cost | $ 0 | $ 392,834,605 | [1]
Affiliated Investments [Member] |  |  |
Affiliated Investments, at Cost | $ 1,002,112,590 | $ 876,300,343 |
[1] | Security may be traded on a discount basis. The interest rate shown represents the discount rate at the most recent auction date of the security prior to period end.

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