Schedule of Investments - Treasury Bills and Money Market Fund - USD ($) | Dec. 31, 2023 | Dec. 31, 2022 |
Schedule of Investments [Line Items] | | | | | |
United States Treasury Obligations, Value | | $ 294,000,317 | | $ 666,431,938 | |
Total Investments in Securities | | $ 405,534,374 | | $ 1,649,582,526 | |
Investment, Identifier [Axis]: Affiliated Investments | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | 28.70% | [1] | 59.82% | |
Investments in Securities, Value | | $ 111,534,057 | | $ 983,150,588 | |
Affiliated Investments, at Cost | | $ 111,534,057 | | $ 983,344,642 | |
Investment, Identifier [Axis]: Affiliated Investments Exchange-Traded Fund Invesco Treasury Collateral ETF | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [2] | | | 4.48% | |
Affiliated Investments, Shares | [2] | | | 698,600 | |
Investments in Securities, Value | | | | $ 73,590,524 | |
Affiliated Investments, at Cost | [2] | | | $ 73,784,578 | |
Investment, Identifier [Axis]: Affiliated Investments Money Market Mutual Fund Invesco Government & Agency Portfolio, Institutional Class, 4.22% | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [2],[3] | | | 55.34% | |
Affiliated Investments, Shares | [2],[3] | | | 909,560,064 | |
Investments in Securities, Value | [2],[3] | | | $ 909,560,064 | |
Investment Interest Rate | [2],[3] | | | 4.22% | |
Affiliated Investments, at Cost | [2],[3] | | | $ 909,560,064 | |
Investment, Identifier [Axis]: Affiliated Investments Money Market Mutual Fund Invesco Government & Agency Portfolio, Institutional Class, 5.29% | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [4],[5] | 28.70% | | | |
Affiliated Investments, Shares | [4],[5] | 111,534,057 | | | |
Investments in Securities, Value | [4],[5] | $ 111,534,057 | | | |
Investment Interest Rate | [4],[5] | 5.29% | | | |
Affiliated Investments, at Cost | [4],[5] | $ 111,534,057 | | | |
Investment, Identifier [Axis]: Investments in Securities | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | 104.34% | | 100.37% | |
Total Investments in Securities | | $ 405,534,374 | | $ 1,649,582,526 | |
Investments in Securities, Cost | | $ 405,235,143 | | $ 1,649,547,064 | |
Investment, Identifier [Axis]: United States Treasury Obligations | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | 75.64% | | 40.55% | |
United States Treasury Obligations, Value | [1] | $ 294,000,317 | | $ 666,431,938 | |
Investments in Securities, Cost | | 293,701,086 | [1] | 666,202,422 | [6] |
Restricted for maintenance margin | | $ 68,537,000 | | $ 99,830,000 | |
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bills, 3.820% Due January 19, 2023 | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [6],[7] | | | 9.11% | |
United States Treasury Obligations, Value | [6],[7] | | | $ 149,759,000 | |
United States Treasury Obligations, Principal Value | [6],[7] | | | $ 150,000,000 | |
Investment Interest Rate | [1],[8] | | | 3.82% | |
Investment Maturity Date | [6],[7] | | | Jan. 19, 2023 | |
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bills, 4.155% Due February 16, 2023 | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [6] | | | 9.08% | |
United States Treasury Obligations, Value | [6] | | | $ 149,254,979 | |
United States Treasury Obligations, Principal Value | [6] | | | $ 150,000,000 | |
Investment Interest Rate | [1] | | | 4.155% | |
Investment Maturity Date | [6] | | | Feb. 16, 2023 | |
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bills, 4.270% Due March 9, 2023 | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [6] | | | 4.23% | |
United States Treasury Obligations, Value | [6] | | | $ 69,464,332 | |
United States Treasury Obligations, Principal Value | [6] | | | $ 70,000,000 | |
Investment Interest Rate | [1] | | | 4.27% | |
Investment Maturity Date | [6] | | | Mar. 09, 2023 | |
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bills, 4.285% Due March 2, 2023 | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [6] | | | 18.13% | |
United States Treasury Obligations, Value | [6] | | | $ 297,953,628 | |
United States Treasury Obligations, Principal Value | [6] | | | $ 300,000,000 | |
Investment Interest Rate | [1] | | | 4.285% | |
Investment Maturity Date | [6] | | | Mar. 02, 2023 | |
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bills, 5.190% Due June 6, 2024 | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | 6.29% | | | |
United States Treasury Obligations, Value | [1],[8] | $ 24,453,458 | | | |
United States Treasury Obligations, Principal Value | [1],[8] | $ 25,000,000 | | | |
Investment Interest Rate | [1] | 5.19% | | | |
Investment Maturity Date | [1] | Jun. 06, 2024 | | | |
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bills, 5.240% Due May 30, 2024 | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[8] | 62.98% | | | |
United States Treasury Obligations, Value | [1],[8] | $ 244,781,638 | | | |
United States Treasury Obligations, Principal Value | [1],[8] | $ 250,000,000 | | | |
Investment Interest Rate | [1],[8] | 5.24% | | | |
Investment Maturity Date | [1],[8] | May 30, 2024 | | | |
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bills, 5.250% Due March 7, 2024 | | | | | |
Schedule of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | 6.37% | | | |
United States Treasury Obligations, Value | [1] | $ 24,765,221 | | | |
United States Treasury Obligations, Principal Value | [1] | $ 25,000,000 | | | |
Investment Interest Rate | [1] | 5.25% | | | |
Investment Maturity Date | [1] | Mar. 07, 2024 | | | |
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[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. 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. The rate shown is the 7-day SEC standardized yield as of December 31, 2022 . 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. The rate shown is the 7-day SEC standardized yield as of December 31, 2023. 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. United States Treasury Obligations of $ 99,830,000 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts. United States Treasury Obligations of $ 68,537,000 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts. | |