Schedule of Investments - Treasury Bills and Affiliated Investments - USD ($)		Dec. 31, 2024		Dec. 31, 2023
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity		97.50%		100.92%
Investments in Securities, Value		$ 767,686,990		$ 710,772,102
Investments in Securities, cost		$ 767,216,178		$ 710,204,874
Investment, Identifier [Axis]: Affiliated Investments
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity		66.28%		52.22%
Investments in Securities, Value		$ 521,903,775		$ 367,815,458
Affiliated Investments, at Cost		$ 521,694,550		$ 367,600,564
Investment, Identifier [Axis]: Affiliated Investments Exchange-Traded Fund Invesco Short Term Treasury ETF
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity		15.20%	[1]	16.99%	[2],[3]
Investments in Securities, Shares		1,133,800	[1]	1,133,800	[2],[3]
Investments in Securities, Value		$ 119,729,280	[1]	$ 119,734,949	[2],[3]
Affiliated Investments, at Cost		$ 119,520,055	[1]	$ 119,520,055	[2],[3]
Investment, Identifier [Axis]: Affiliated Investments Money Market Mutual Fund Invesco Government & Agency Portfolio, Institutional Class
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity		51.08%	[1],[4]	35.23%	[2],[5]
Investments in Securities, Shares		402,174,495	[1],[4]	248,080,509	[2],[5]
Investments in Securities, Value		$ 402,174,495	[1],[4]	$ 248,080,509	[2],[5]
Investment Interest Rate		4.43%	[1],[4]	5.29%	[2],[5]
Affiliated Investments, at Cost		$ 402,174,495	[1],[4]	$ 248,080,509	[2],[5]
Investment, Identifier [Axis]: United States Treasury Obligations
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity		31.22%	[6]	48.70%	[7]
Investments in Securities, Value		$ 245,783,215	[6]	$ 342,956,644	[7]
Investments in Securities, cost		245,521,628	[6]	342,604,310	[7]
Restricted for maintenance margin		$ 14,745,000		$ 146,865,000
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]			3.47%
United States Treasury Obligations, Principal Value	[6]			$ 25,000,000
Investments in Securities, Value	[6]			$ 24,453,458
Investment Interest Rate	[7]			5.19%
Investment Maturity Date	[7]			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	[7],[8]			41.71%
United States Treasury Obligations, Principal Value	[7],[8]			$ 300,000,000
Investments in Securities, Value	[7],[8]			$ 293,737,965
Investment Interest Rate	[7],[8]			5.24%
Investment Maturity Date	[7],[8]			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]			3.52%
United States Treasury Obligations, Principal Value	[7]			$ 25,000,000
Investments in Securities, Value	[7]			$ 24,765,221
Investment Interest Rate	[7]			5.25%
Investment Maturity Date	[7]			Mar. 07, 2024
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	[6],[9]	31.22%
United States Treasury Obligations, Principal Value	[6],[9]	$ 250,000,000
Investments in Securities, Value	[6],[9]	$ 245,783,215
Investment Interest Rate	[6],[9]	4.34%
Investment Maturity Date	[6],[9]	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] 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.

[3] 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.

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

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

[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 $146,865,000 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts.

[9] United States Treasury Obligations of $147,450,00 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts.