Schedule of Investments - Treasury Bills and Money Market Fund - USD ($)		Dec. 31, 2023		Dec. 31, 2022
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity		100.54%		102.29%
Investments in Securities, Value		$ 1,692,470,773		$ 2,697,737,111
Investments in Securities, Cost		$ 1,691,344,447		$ 2,697,401,369
Investment, Identifier [Axis]: Affiliated Investments
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity		53.95%		54.05%
Investments in Securities, Value		$ 908,120,125		$ 1,425,350,540
Affiliated Investments, at Cost		$ 907,765,903		$ 1,425,450,159
Investment, Identifier [Axis]: Affiliated Investments Exchange-Traded Fund Invesco Short Term Treasury ETF
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1],[2]	12.80%
Investments in Securities, Value	[1],[2]	$ 215,381,398
Investments in Securities, Shares	[1],[2]	2,039,500
Investments in Securities, Cost	[1],[2]	$ 215,027,176
Investment, Identifier [Axis]: Affiliated Investments Exchange-Traded Fund Invesco Treasury Collateral ETF
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[3]			5.36%
Investments in Securities, Value	[1]			$ 141,250,406
Investments in Securities, Shares	[1]			1,340,900
Investments in Securities, Cost	[3]			$ 141,350,025
Investment, Identifier [Axis]: Affiliated Investments Money Market Mutual Fund Invesco Government & Agency Portfolio, Institutional Class
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity		41.15%	[1],[4]	48.69%	[3],[5]
Investments in Securities, Value	[1],[4]	$ 692,738,727		$ 1,284,100,134
Investment Interest Rate		5.29%	[4]	4.22%	[3],[5]
Investments in Securities, Shares	[1],[4]	692,738,727		1,284,100,134
Affiliated Investments, at Cost		$ 692,738,727	[4]	$ 1,284,100,134	[3],[5]
Investment, Identifier [Axis]: United States Treasury Obligations
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity		46.59%	[6]	48.24%	[7]
Investments in Securities, Value	[6]	$ 784,350,648		$ 1,272,386,571
Investments in Securities, Cost		783,578,544	[6]	1,271,951,210	[7]
Restricted for maintenance margin		$ 391,640,000		$ 745,865,000
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]			7.57%
Investments in Securities, Value	[6],[9]			$ 199,678,666
United States Treasury Obligations, Principal Value	[7],[8]			$ 200,000,000
Investment Interest Rate	[7],[8]			3.82%
Investment Maturity Date	[7],[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]			4.90%
Investments in Securities, Value	[6],[9]			$ 129,354,315
United States Treasury Obligations, Principal Value	[7],[8]			$ 130,000,000
Investment Interest Rate	[7],[8]			4.155%
Investment Maturity Date	[7],[8]			Feb. 16, 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	[7]			7.53%
Investments in Securities, Value	[6]			$ 198,469,520
United States Treasury Obligations, Principal Value	[7]			$ 200,000,000
Investment Interest Rate	[7]			4.27%
Investment Maturity Date	[7]			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	[7],[8]			28.24%
Investments in Securities, Value	[6],[9]			$ 744,884,070
United States Treasury Obligations, Principal Value	[7],[8]			$ 750,000,000
Investment Interest Rate	[7],[8]			4.285%
Investment Maturity Date	[7],[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]	5.81%
Investments in Securities, Value	[6]	$ 97,813,833
United States Treasury Obligations, Principal Value	[6]	$ 100,000,000
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]	34.90%
Investments in Securities, Value	[6],[9]	$ 587,475,930
United States Treasury Obligations, Principal Value	[6],[9]	$ 600,000,000
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]	5.88%
Investments in Securities, Value	[6]	$ 99,060,885
United States Treasury Obligations, Principal Value	[6]	$ 100,000,000
Investment Interest Rate	[6]	5.25%
Investment Maturity Date	[6]	Mar. 07, 2024

[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] 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.

[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, 2023.

[5] The rate shown is the 7-day SEC standardized yield as of December 31, 2022.

[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 $745,865,000 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts.

[9] United States Treasury Obligations of $391,640,000 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts.