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

[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.

[2] The rate shown is the 7-day SEC standardized yield as of December 31, 2023.

[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, 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] 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] 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.

[8] United States Treasury Obligations of $146,177,600 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts.

[9] United States Treasury Obligations of $50,045,600 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts.