Schedule of Investments (Unaudited) - Treasury Bills and Money Market Fund - USD ($)		Mar. 31, 2023		Dec. 31, 2022
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity		102.28%		102.29%
United States Treasury Obligations, Value		$ 1,071,999,409		$ 1,272,386,571
Affiliated Investments, Value		1,144,277,704		1,425,350,540
Investments in Securities, Value		2,216,277,113		2,697,737,111
Investments in Securities, Cost		$ 2,215,457,626		$ 2,697,401,369
Affiliated Investments [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity		52.81%		54.05%
Affiliated Investments, Value		$ 1,144,277,704		$ 1,425,350,540
Affiliated Investments, at Cost		1,144,122,552		1,425,450,159
Affiliated Investments [Member] | Invesco Government & Agency Portfolio, Institutional Class [Member]
Schedule of Investments [Line Items]
Affiliated Investments, Value		$ 1,002,772,527		$ 1,284,100,134
U.S. Treasury Bill, 4.680% due May 18, 2023
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1]	5.96%
United States Treasury Obligations, Value	[1]	$ 129,240,312
United States Treasury Obligations, Principal Value	[1]	$ 130,000,000
Investment Interest Rate	[2],[3]	4.68%
Investment Maturity Date	[2],[3]	May 18, 2023
U.S. Treasury Bill, 4.750% due June 1, 2023
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1]	34.36%
United States Treasury Obligations, Value	[1]	$ 744,428,805
United States Treasury Obligations, Principal Value	[1]	$ 750,000,000
Investment Interest Rate	[2],[3]	4.75%
Investment Maturity Date	[2],[3]	Jun. 01, 2023
Restricted for maintenance margin		$ 545,875,000
U.S. Treasury Bill, 4.765% due June 8, 2023
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1]	9.15%
United States Treasury Obligations, Value	[1]	$ 198,330,292
United States Treasury Obligations, Principal Value	[1]	$ 200,000,000
Investment Interest Rate	[2],[3]	4.765%
Investment Maturity Date	[2],[3]	Jun. 08, 2023
United States Treasury Obligations [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[2]	49.47%		48.24%
United States Treasury Obligations, Value	[2]	$ 1,071,999,409		$ 1,272,386,571
Investments in Securities, Cost	[2]	$ 1,071,335,074		$ 1,271,951,210
Exchange-Traded Fund [Member] | Affiliated Investments [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity		6.53%	[4]	5.36%	[5]
Affiliated Investments, Value		$ 141,505,177	[4]	$ 141,250,406	[5]
Affiliated Investments, Shares		1,340,900	[4]	1,340,900	[5]
Investments in Securities, Cost	[5]	$ 141,350,025		$ 141,350,025
U.S. Treasury Bill, 3.820% due January 19, 2023
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[2],[6]			7.57%
United States Treasury Obligations, Value	[2],[6]			$ 199,678,666
United States Treasury Obligations, Principal Value	[2],[6]			$ 200,000,000
Investment Interest Rate	[2],[6]			3.82%
Investment Maturity Date	[2],[6]			Jan. 19, 2023
U.S. Treasury Bill, 4.155% due February 16, 2023
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[2],[6]			4.90%
United States Treasury Obligations, Value	[2],[6]			$ 129,354,315
United States Treasury Obligations, Principal Value	[2],[6]			$ 130,000,000
Investment Interest Rate	[2],[6]			4.155%
Investment Maturity Date	[2],[6]			Feb. 16, 2023
U.S. Treasury Bill, 4.285% due March 2, 2023
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[2],[6]			28.24%
United States Treasury Obligations, Value	[2],[6]			$ 744,884,070
United States Treasury Obligations, Principal Value	[2],[6]			$ 750,000,000
Investment Interest Rate	[2],[6]			4.285%
Investment Maturity Date	[2],[6]			Mar. 02, 2023
Restricted for maintenance margin				$ 745,865,000
U.S. Treasury Bill, 4.270% due March 9, 2023
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[2]			7.53%
United States Treasury Obligations, Value	[2]			$ 198,469,520
United States Treasury Obligations, Principal Value	[2]			$ 200,000,000
Investment Interest Rate	[2]			4.27%
Investment Maturity Date	[2]			Mar. 09, 2023
Money Market Mutual Fund [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[4],[7]	46.28%
Affiliated Investments, Value	[4],[7]	$ 1,002,772,527
Affiliated Investments, Shares	[4],[7]	1,002,772,527
Money Market Mutual Fund [Member] | Affiliated Investments [Member]
Schedule of Investments [Line Items]
Investment Interest Rate	[5]	4.73%	[7]	4.22%	[8]
Affiliated Investments, at Cost	[5]	$ 1,002,772,527	[7]	$ 1,284,100,134	[8]
Money Market Mutual Fund [Member] | Affiliated Investments [Member] | Invesco Government & Agency Portfolio, Institutional Class [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[5],[8]			48.69%
Affiliated Investments, Value	[5],[8]			$ 1,284,100,134
Affiliated Investments, Shares	[5],[8]			1,284,100,134

[1] 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.

[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] United States Treasury Obligations of $545,875,000 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts.

[4] 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.

[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] United States Treasury Obligations of $745,865,000 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts.

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

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