Schedule of Investments (Unaudited) - Treasury Bills and Money Market Fund - USD ($)		Sep. 30, 2022		Dec. 31, 2021
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity		98.59%		100.16%
United States Treasury Obligations, Value		$ 865,318,275		$ 92,006,259
Affiliated Investments, Value		1,158,319,001		626,458,758
Investments in Securities, Value		2,023,637,276		718,465,017
Investments in Securities, Cost		2,024,691,320		718,493,794
Restricted for maintenance margin		$ 99,628,000		$ 27,997,200
Affiliated Investments [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity		56.43%		87.33%
Affiliated Investments, Value		$ 1,158,319,001		$ 626,458,758
Affiliated Investments, at Cost		$ 1,158,485,110		$ 626,489,060
U.S. Treasury Bills, 2.470% due October 20, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1]	2.43%
United States Treasury Obligations, Value	[1]	$ 49,941,031
United States Treasury Obligations, Principal Value	[1]	$ 50,000,000
Investment Interest Rate	[1]	2.47%
Investment Maturity Date	[1]	Oct. 20, 2022
U.S. Treasury Bills, 2.490% due November 3, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1],[2]	0.97%
United States Treasury Obligations, Value	[1],[2]	$ 19,954,304
United States Treasury Obligations, Principal Value	[1],[2]	$ 20,000,000
Investment Interest Rate	[1],[2]	2.49%
Investment Maturity Date	[1],[2]	Nov. 03, 2022
U.S. Treasury Bills, 2.610% due November 17, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1],[2]	6.31%
United States Treasury Obligations, Value	[1],[2]	$ 129,542,075
United States Treasury Obligations, Principal Value	[1],[2]	$ 130,000,000
Investment Interest Rate	[1],[2]	2.61%
Investment Maturity Date	[1],[2]	Nov. 17, 2022
U.S. Treasury Bills, 2.880% due December 1, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1],[2]	14.55%
United States Treasury Obligations, Value	[1],[2]	$ 298,580,313
United States Treasury Obligations, Principal Value	[1],[2]	$ 300,000,000
Investment Interest Rate	[1],[2]	2.88%
Investment Maturity Date	[1],[2]	Dec. 01, 2022
U.S. Treasury Bills, 2.965% due December 8, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1]	3.39%
United States Treasury Obligations, Value	[1]	$ 69,618,016
United States Treasury Obligations, Principal Value	[1]	$ 70,000,000
Investment Interest Rate	[1]	2.965%
Investment Maturity Date	[1]	Dec. 08, 2022
U.S. Treasury Bills, 3.270% due December 29, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1]	14.51%
United States Treasury Obligations, Value	[1]	$ 297,682,536
United States Treasury Obligations, Principal Value	[1]	$ 300,000,000
Investment Interest Rate	[1]	3.27%
Investment Maturity Date	[1]	Dec. 29, 2022
United States Treasury Obligations [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1]	42.16%		12.83%
United States Treasury Obligations, Value	[1]	$ 865,318,275		$ 92,006,259
Investments in Securities, Cost	[1]	$ 866,206,210		$ 92,004,734
Exchange-Traded Fund [Member] | Affiliated Investments [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[3]	3.59%		6.95%
Affiliated Investments, Value	[3]	$ 73,618,468		$ 49,855,000
Affiliated Investments, Shares	[3]	698,600		472,000
Affiliated Investments, at Cost	[3]	$ 73,784,577		$ 49,885,302
Money Market Mutual Fund - Invesco Government & Agency Portfolio, Institutional Class [Member] | Affiliated Investments [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[3]	52.84%	[4]	80.38%	[5]
Affiliated Investments, Value	[3]	$ 1,084,700,533	[4]	$ 576,603,758	[5]
Affiliated Investments, Shares	[3]	1,084,700,533	[4]	576,603,758	[5]
Money Market Mutual Fund - Invesco Government & Agency Portfolio, Institutional Class [Member] | Affiliated Investments [Member]
Schedule of Investments [Line Items]
Affiliated Investments, Value		$ 1,084,700,533		$ 576,603,758
Investment Interest Rate	[3]	2.88%	[4]	0.03%	[5]
Investments in Securities, Cost	[3]	$ 1,084,700,533	[4]	$ 576,603,758	[5]
U.S. Treasury Bills, 0.040% due January 6, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1]			3.76%
United States Treasury Obligations, Value	[1]			$ 27,000,002
United States Treasury Obligations, Principal Value	[1]			$ 27,000,000
Investment Interest Rate	[1]			0.04%
Investment Maturity Date	[1]			Jan. 06, 2022
U.S. Treasury Bills, 0.055% due January 20, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1]			2.79%
United States Treasury Obligations, Value	[1]			$ 19,999,929
United States Treasury Obligations, Principal Value	[1]			$ 20,000,000
Investment Interest Rate	[1]			0.055%
Investment Maturity Date	[1]			Jan. 20, 2022
U.S. Treasury Bills, 0.050% due February 3, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1],[6]			3.91%
United States Treasury Obligations, Value	[1],[6]			$ 28,007,497
United States Treasury Obligations, Principal Value	[1],[6]			$ 28,008,100
Investment Interest Rate	[1],[6]			0.05%
Investment Maturity Date	[1],[6]			Feb. 03, 2022
U.S. Treasury Bills, 0.070% due March 10, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1],[6]			2.37%
United States Treasury Obligations, Value	[1],[6]			$ 16,998,831
United States Treasury Obligations, Principal Value	[1],[6]			$ 17,000,000
Investment Interest Rate	[1],[6]			0.07%
Investment Maturity Date	[1],[6]			Mar. 10, 2022

[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] United States Treasury Obligations of $99,628,000 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts.

[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 September 30, 2022.

[5] The rate shown is the 7-day SEC standardized yield as of December 31, 2021.

[6] United States Treasury Obligations of $27,997,200 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts.