Schedule of Investments (Unaudited) - Treasury Bills and Money Market Fund - USD ($)		Jun. 30, 2022		Dec. 31, 2021
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity		99.40%		100.16%
United States Treasury Obligations, Value		$ 625,095,009		$ 92,006,259
Affiliated Investments, Value		1,088,529,034		626,458,758
Investments in Securities, Value		1,713,624,043		718,465,017
Investments in Securities, Cost		1,715,036,783		718,493,794
Restricted for maintenance margin		$ 94,538,000		$ 27,997,200
Affiliated Investments [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity		63.14%		87.33%
Affiliated Investments, Value		$ 1,088,529,034		$ 626,458,758
Affiliated Investments, at Cost		$ 1,088,571,136		$ 626,489,060
U.S. Treasury Bills, 0.860% due July 21, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1]	2.03%
United States Treasury Obligations, Value	[1]	$ 34,980,726
United States Treasury Obligations, Principal Value	[1]	$ 35,000,000
Investment Interest Rate	[1]	0.86%
Investment Maturity Date	[1]	Jul. 21, 2022
U.S. Treasury Bills, 0.910% due August 4, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1],[2]	1.16%
United States Treasury Obligations, Value	[1],[2]	$ 19,978,018
United States Treasury Obligations, Principal Value	[1],[2]	$ 20,000,000
Investment Interest Rate	[1],[2]	0.91%
Investment Maturity Date	[1],[2]	Aug. 04, 2022
U.S. Treasury Bills, 1.050% due August 18, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1],[2]	1.45%
United States Treasury Obligations, Value	[1],[2]	$ 24,955,667
United States Treasury Obligations, Principal Value	[1],[2]	$ 25,000,000
Investment Interest Rate	[1],[2]	1.05%
Investment Maturity Date	[1],[2]	Aug. 18, 2022
U.S. Treasury Bills, 1.250% due October 20, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1]	2.88%
United States Treasury Obligations, Value	[1]	$ 49,706,505
United States Treasury Obligations, Principal Value	[1]	$ 50,000,000
Investment Interest Rate	[1]	1.25%
Investment Maturity Date	[1]	Oct. 20, 2022
U.S. Treasury Bills, 1.490% due November 17, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1],[2]	7.48%
United States Treasury Obligations, Value	[1],[2]	$ 128,974,778
United States Treasury Obligations, Principal Value	[1],[2]	$ 130,000,000
Investment Interest Rate	[1],[2]	1.49%
Investment Maturity Date	[1],[2]	Nov. 17, 2022
U.S. Treasury Bills, 1.580% due December 1, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1]	17.24%
United States Treasury Obligations, Value	[1]	$ 297,196,593
United States Treasury Obligations, Principal Value	[1]	$ 300,000,000
Investment Interest Rate	[1]	1.58%
Investment Maturity Date	[1]	Dec. 01, 2022
U.S. Treasury Bills, 1.710% due December 8, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1]	4.02%
United States Treasury Obligations, Value	[1]	$ 69,302,722
United States Treasury Obligations, Principal Value	[1]	$ 70,000,000
Investment Interest Rate	[1]	1.71%
Investment Maturity Date	[1]	Dec. 08, 2022
United States Treasury Obligations [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1]	36.26%		12.83%
United States Treasury Obligations, Value	[1]	$ 625,095,009		$ 92,006,259
Investments in Securities, Cost	[1]	$ 626,465,647		$ 92,004,734
Exchange-Traded Fund [Member] | Affiliated Investments [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity		2.89%	[3]	6.95%	[4]
Affiliated Investments, Value		$ 49,843,200	[3]	$ 49,855,000	[4]
Affiliated Investments, Shares		472,000	[3]	472,000	[4]
Affiliated Investments, at Cost	[4]	$ 49,885,302		$ 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		60.25%	[3],[5],[6]	80.38%	[4],[7]
Affiliated Investments, Value		$ 1,038,685,834	[3],[5],[6]	$ 576,603,758	[4],[7]
Affiliated Investments, Shares		1,038,685,834	[3],[5],[6]	576,603,758	[4],[7]
Money Market Mutual Fund - Invesco Government & Agency Portfolio, Institutional Class [Member] | Affiliated Investments [Member]
Schedule of Investments [Line Items]
Affiliated Investments, Value		$ 1,038,685,834		$ 576,603,758
Investment Interest Rate	[4]	1.39%	[6]	0.03%	[7]
Investments in Securities, Cost	[4]	$ 1,038,685,834	[6]	$ 576,603,758	[7]
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],[8]			3.91%
United States Treasury Obligations, Value	[1],[8]			$ 28,007,497
United States Treasury Obligations, Principal Value	[1],[8]			$ 28,008,100
Investment Interest Rate	[1],[8]			0.05%
Investment Maturity Date	[1],[8]			Feb. 03, 2022
U.S. Treasury Bills, 0.070% due March 10, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1],[8]			2.37%
United States Treasury Obligations, Value	[1],[8]			$ 16,998,831
United States Treasury Obligations, Principal Value	[1],[8]			$ 17,000,000
Investment Interest Rate	[1],[8]			0.07%
Investment Maturity Date	[1],[8]			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 $94,538,000 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] 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] ^(c)       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] The rate shown is the 7-day SEC standardized yield as of June 30, 2022.

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

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