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 | | $ 55,916,139 | | $ 146,181,951 | |
Total Investments in Securities | | $ 109,261,974 | | $ 309,779,647 | |
Investment, Identifier [Axis]: Affiliated Investments | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | 43.88% | | 72.94% | |
Investments in Securities, Value | | $ 53,345,835 | | $ 163,597,696 | |
Investments in Securities, cost | | $ 53,361,244 | | $ 163,663,402 | |
Investment, Identifier [Axis]: Affiliated Investments Exchange-Traded Fund Invesco Short Term Treasury ETF | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1],[2] | 16.49% | | | |
Affiliated Investments, Shares | [1],[2] | 189,800 | | | |
Investments in Securities, Value | [1],[2] | $ 20,043,829 | | | |
Investments in Securities, cost | [1],[2] | $ 20,059,238 | | | |
Investment, Identifier [Axis]: Affiliated Investments Exchange-Traded Fund Invesco Treasury Collateral ETF | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [3] | | | 8.91% | |
Affiliated Investments, Shares | [3] | | | 189,800 | |
Investments in Securities, Value | [3] | | | $ 19,993,532 | |
Investments in Securities, cost | [3] | | | $ 20,059,238 | |
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 | [3],[4] | | | 64.03% | |
Affiliated Investments, Shares | [3],[4] | | | 143,604,164 | |
Investments in Securities, Value | [3],[4] | | | $ 143,604,164 | |
Investment Interest Rate | [3],[4] | | | 4.22% | |
Investments in Securities, cost | [3],[4] | | | $ 143,604,164 | |
Investment, Identifier [Axis]: Affiliated Investments Money Market Mutual Fund Invesco Government & Agency Portfolio, Institutional Class, 5.27% | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [2],[5] | 27.39% | | | |
Affiliated Investments, Shares | [2],[5] | 33,302,006 | | | |
Investments in Securities, Value | [2],[5] | $ 33,302,006 | | | |
Investment Interest Rate | [2],[5] | 5.27% | | | |
Investments in Securities, cost | [2],[5] | $ 33,302,006 | | | |
Investment, Identifier [Axis]: Cash held with Morgan Stanley & Co. LLC | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Futures contracts collateralize | | $ 15,000,000 | | $ 15,000,000 | |
Investment, Identifier [Axis]: Investments in Securities | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | 89.87% | | 138.12% | |
Investments in Securities, Value | | $ 109,261,974 | | | |
Investments in Securities, cost | | $ 109,225,828 | | $ 309,799,635 | |
Total Investments in Securities | | | | $ 309,779,647 | |
Investment, Identifier [Axis]: United States Treasury Obligations | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | 45.99% | [6] | 65.18% | [7] |
United States Treasury Obligations, Value | | $ 55,916,139 | [6] | $ 146,181,951 | [7] |
Investments in Securities, cost | | 55,864,584 | [6] | 146,136,233 | [7] |
Restricted for maintenance margin | | $ 50,045,600 | | $ 146,177,600 | |
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bill, 3.820% due January 19, 2023 | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [7],[8] | | | 4.45% | |
United States Treasury Obligations, Value | [7],[8] | | | $ 9,983,933 | |
United States Treasury Obligations, Principal Value | [7],[8] | | | $ 10,000,000 | |
Investment Interest Rate | [7],[8] | | | 3.82% | |
Investment Maturity Date | [6],[8] | | | Jan. 19, 2023 | |
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bill, 4.155% due February 16, 2023 | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [7],[8] | | | 24.40% | |
United States Treasury Obligations, Value | [7],[8] | | | $ 54,726,826 | |
United States Treasury Obligations, Principal Value | [7],[8] | | | $ 55,000,000 | |
Investment Interest Rate | [7],[8] | | | 4.155% | |
Investment Maturity Date | [6],[8] | | | Feb. 16, 2023 | |
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bill, 4.220% due February 23, 2023 | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [7],[8] | | | 22.16% | |
United States Treasury Obligations, Value | [7],[8] | | | $ 49,699,446 | |
United States Treasury Obligations, Principal Value | [7],[8] | | | $ 50,000,000 | |
Investment Interest Rate | [7],[8] | | | 4.22% | |
Investment Maturity Date | [6],[8] | | | Feb. 23, 2023 | |
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bill, 4.270% due March 9, 2023 | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [6],[8] | | | 5.31% | |
United States Treasury Obligations, Value | [6],[8] | | | $ 11,908,171 | |
United States Treasury Obligations, Principal Value | [6],[8] | | | $ 12,000,000 | |
Investment Interest Rate | [7],[8] | | | 4.27% | |
Investment Maturity Date | [6],[8] | | | Mar. 09, 2023 | |
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bill, 4.285% due March 2, 2023 | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [6],[8] | | | 8.86% | |
United States Treasury Obligations, Value | [6],[8] | | | $ 19,863,575 | |
United States Treasury Obligations, Principal Value | [6],[8] | | | $ 20,000,000 | |
Investment Interest Rate | [6],[8] | | | 4.285% | |
Investment Maturity Date | [6],[8] | | | Mar. 02, 2023 | |
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bill, 5.190% due June 6, 2024 | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [6] | 4.83% | | | |
United States Treasury Obligations, Value | [6] | $ 5,868,830 | | | |
United States Treasury Obligations, Principal Value | [6] | $ 6,000,000 | | | |
Investment Interest Rate | [6] | 5.19% | | | |
Investment Maturity Date | [6] | Jun. 06, 2024 | | | |
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bill, 5.240% due May 30, 2024 | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [6],[9] | 16.10% | | | |
United States Treasury Obligations, Value | [6],[9] | $ 19,582,531 | | | |
United States Treasury Obligations, Principal Value | [6],[9] | $ 20,000,000 | | | |
Investment Interest Rate | [6],[9] | 5.24% | | | |
Investment Maturity Date | [6],[9] | May 30, 2024 | | | |
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bill, 5.250% due March 7, 2024 | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [6],[9] | 4.89% | | | |
United States Treasury Obligations, Value | [6],[9] | $ 5,943,653 | | | |
United States Treasury Obligations, Principal Value | [6],[9] | $ 6,000,000 | | | |
Investment Interest Rate | [6],[9] | 5.25% | | | |
Investment Maturity Date | [6],[9] | Mar. 07, 2024 | | | |
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bill, 5.270% due May 16, 2024 | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [6],[9] | 20.17% | | | |
United States Treasury Obligations, Value | [6],[9] | $ 24,521,125 | | | |
United States Treasury Obligations, Principal Value | [6],[9] | $ 25,000,000 | | | |
Investment Interest Rate | [6],[9] | 5.27% | | | |
Investment Maturity Date | [6],[9] | May 16, 2024 | | | |
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[1] Effective after the close of markets on August 25, 2023, the fund’s name changed from Invesco Treasury Collateral ETF to Invesco Short Term Treasury ETF. The rate shown is the 7-day SEC standardized yield as of December 31, 2023 . 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. 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. 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 $ 146,177,600 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts. United States Treasury Obligations of $ 50,045,600 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts. | |