Schedule of Investments (Unaudited) - Treasury Bills and Money Market Fund - USD ($)		Mar. 31, 2025		Dec. 31, 2024
Schedule of Investments [Line Items]
United States Treasury Obligations, Value		$ 124,147,661		$ 147,708,743
Total Investments in Securities		$ 314,865,744		$ 426,822,433
Investment, Identifier [Axis]: Affiliated Investments Money Market Mutual Fund Invesco Government & Agency Portfolio, Institutional Class, 4.29%
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1],[2]	58.58%
United States Treasury Obligations, Value		$ 190,718,083
Affiliated Investments, Shares	[1],[2]	190,718,083
Investment Interest Rate	[1],[2]	4.29%
Investment Maturity Date		Mar. 31, 2025
Affiliated Investments, at Cost	[1],[2]	$ 190,718,083
Investment, Identifier [Axis]: Affiliated Investments Money Market Mutual Fund Invesco Government & Agency Portfolio, Institutional Class, 4.43%
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[3],[4]			64.98%
Affiliated Investments, Shares	[3],[4]			279,113,690
Investments in Securities, Value	[3],[4]			$ 279,113,690
Investment Interest Rate	[3],[4]			4.43%
Investment Maturity Date				Dec. 31, 2024
Affiliated Investments, at Cost	[3],[4]			$ 279,113,690
Investment, Identifier [Axis]: Investments in Securities
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity		96.72%		99.37%
United States Treasury Obligations, Value		$ 314,865,744
Total Investments in Securities				$ 426,822,433
Investments in Securities, Cost		$ 314,830,899		$ 426,664,868
Investment, Identifier [Axis]: U.S. Treasury Bills, 4.400% due March 6, 2025
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[5]			5.78%
United States Treasury Obligations, Value	[5]			$ 24,817,135
United States Treasury Obligations, Principal Value	[5]			$ 25,000,000
Investment Interest Rate	[5]			4.40%
Investment Maturity Date	[5]			Mar. 06, 2025
Investment, Identifier [Axis]: United States Treasury Obligations
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity		38.14%	[6]	34.39%	[5]
United States Treasury Obligations, Value		$ 124,147,661	[6]	$ 147,708,743	[5]
Investments in Securities, Cost		$ 124,112,816	[6]	$ 147,551,178	[5]
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bills, 4.195% Due May 29, 2025
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[6]	38.14%
United States Treasury Obligations, Value	[6]	$ 124,147,661
United States Treasury Obligations, Principal Value	[6]	$ 125,000,000
Investment Interest Rate	[6]	4.195%
Investment Maturity Date	[6]	May 29, 2025
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bills, 4.340% due May 29, 2025
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[5]			28.61%
United States Treasury Obligations, Value	[5]			$ 122,891,608
United States Treasury Obligations, Principal Value	[5]			$ 125,000,000
Investment Interest Rate	[5],[7]			4.34%
Investment Maturity Date	[5],[7]			May 29, 2025

[1] Affiliated issuer. The issuer and/or the Fund is a wholly-owned subsidiary of Invesco Ltd., or is affiliated by having an investment adviser that is under common control of Invesco Ltd. See Note 8.

[2] The rate shown is the 7-day SEC standardized yield as of March 31, 2025.

[3] Affiliated issuer. The issuer and/or the Fund is a wholly-owned subsidiary of Invesco Ltd., or is affiliated by having an investment adviser that is under common control of Invesco Ltd. See Note 8.

[4] The rate shown is the 7-day SEC standardized yield as of December 31, 2024.

[5] 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.

[6] 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.

[7] United States Treasury Obligations of $19,660,000 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts.