Schedule of Investments (Unaudited) - Treasury Bills and Money Market Fund - USD ($) | Mar. 31, 2022 | Dec. 31, 2021 |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | 100.55% | | 99.74% | |
United States Treasury Obligations, Value | | $ 11,987,218 | | $ 17,000,743 | |
Affiliated investments, value | | 33,478,674 | | 31,507,548 | |
Investments in Securities, Value | | 45,465,892 | | 48,508,291 | |
Investments in Securities, cost | | $ 45,465,720 | | $ 48,507,955 | |
U S Treasury Bills Zero Point Four Four Zero Percentage Due May Nineteen Two Thousand Twenty Two | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | 4.42% | | | |
United States Treasury Obligations, Value | [1] | $ 1,999,360 | | | |
United States Treasury Obligations, Principal Value | [1] | $ 2,000,000 | | | |
Investment Interest Rate | [1] | 0.44% | | | |
Investment Maturity Date | [1] | May 19, 2022 | | | |
U S Treasury Bills Zero Point Three Eight Zero Percentage Due June Nine Two Thousand Twenty Two | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [2] | 17.68% | | | |
United States Treasury Obligations, Value | [2] | $ 7,994,280 | | | |
United States Treasury Obligations, Principal Value | [2] | $ 8,000,000 | | | |
Investment Interest Rate | [2] | 0.38% | | | |
Investment Maturity Date | [2] | Jun. 9, 2022 | | | |
U S Treasury Bills Zero Point Seven Sevan Zero Percentage Due August Eighteen Two Thousand Twenty Two | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [1] | 4.41% | | | |
United States Treasury Obligations, Value | [1] | $ 1,993,578 | | | |
United States Treasury Obligations, Principal Value | [1] | $ 2,000,000 | | | |
Investment Interest Rate | [1] | 0.77% | | | |
Investment Maturity Date | [1] | Aug. 18, 2022 | | | |
US Treasury and Government | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [2] | 26.51% | | 34.96% | |
United States Treasury Obligations, Value | [2] | $ 11,987,218 | | $ 17,000,743 | |
Investments in Securities, cost | [2] | $ 11,987,046 | | $ 17,000,407 | |
Invesco Government And Agency Portfolio Institutional Class | Affiliated Entity | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | | 74.04% | | 64.78% | |
Affiliated investments, value | | $ 33,478,674 | | $ 31,507,548 | |
Shares | | 33,478,674 | | 31,507,548 | |
Investment Interest Rate | | 0.25% | [3],[4] | 0.03% | [5],[6] |
Investments in Securities, cost | | $ 33,478,674 | [3],[4] | $ 31,507,548 | [5],[6] |
USTreasuryBillsPercentageDueDateMember [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [2] | | | 8.22% | |
United States Treasury Obligations, Value | [2] | | | $ 4,000,000 | |
United States Treasury Obligations, Principal Value | [2] | | | $ 4,000,000 | |
Investment Interest Rate | [2] | | | 0.04% | |
Investment Maturity Date | [2] | | | Jan. 6, 2022 | |
Restricted for maintenance margin | [1] | $ 3,992,600 | | | |
U S Treasury Bills Zero Point Zero Four Five Percentage Due February Three Two Thousand Twenty One | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [2] | | | 10.28% | |
United States Treasury Obligations, Value | [2] | | | $ 5,001,293 | |
United States Treasury Obligations, Principal Value | [2] | | | $ 5,001,400 | |
Investment Interest Rate | [2] | | | 0.05% | |
Investment Maturity Date | [2] | | | Feb. 3, 2022 | |
Us Treasury Bill Zero Point Zero Seven Zero Percentage Due March Ten Two Thousand Twenty Two | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Percentage of Shareholders' Equity | [7] | | | 16.46% | |
United States Treasury Obligations, Value | [7] | | | $ 7,999,450 | |
United States Treasury Obligations, Principal Value | [7] | | | $ 8,000,000 | |
Investment Interest Rate | [7] | | | 0.07% | |
Investment Maturity Date | [7] | | | Mar. 10, 2022 | |
U.S. Treasury Bills, XX% due XX [Member] | | | | | |
Schedule Of Investments [Line Items] | | | | | |
Restricted for maintenance margin | | | | $ 3,999,600 | |
| |
[1] | United States Treasury Obligations of $3,992,600 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts | |
[2] | 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. | |
[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 March 31, 2022. | |
[5] | 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. | |
[6] | The rate shown is the 7-day SEC standardized yield as of December 31, 2021 | |
[7] | United States Treasury Obligations of $3,999,600 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts. | |