Schedule of Investments (Unaudited) - Treasury Bills and Affiliated Investments - USD ($)		Mar. 31, 2022		Dec. 31, 2021
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity		103.50%		102.11%
United States Treasury Obligations, Value		$ 39,949,853		$ 37,999,954
Affiliated Investments, Value		191,710,318		71,801,967
Investments in Securities, Value		231,660,171		109,801,921
Investments in Securities, cost		$ 231,656,733		$ 109,777,768
Affiliated Investments [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity		85.65%		66.77%
Affiliated Investments, Value		$ 191,710,318		$ 71,801,967
Affiliated investments, at cost		$ 191,693,601		$ 71,778,110
U.S. Treasury Bills, 0.170% due April 21, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1],[2]	7.15%
United States Treasury Obligations, Value	[1],[2]	$ 15,998,911
United States Treasury Obligations, Principal Value	[1],[2]	$ 16,000,000
Investment Interest Rate	[1],[2]	0.17%
Investment Maturity Date	[1],[2]	Apr. 21, 2022
Restricted for maintenance margin		$ 39,949,200
U.S. Treasury Bills, 0.380% due June 9, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1],[2]	0.89%
United States Treasury Obligations, Value	[1],[2]	$ 1,998,570
United States Treasury Obligations, Principal Value	[1],[2]	$ 2,000,000
Investment Interest Rate	[1],[2]	0.38%
Investment Maturity Date	[1],[2]	Jun. 09, 2022
Restricted for maintenance margin		$ 39,949,200
U.S. Treasury Bills, 0.360% due June 2, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1],[2]	3.57%
United States Treasury Obligations, Value	[1],[2]	$ 7,995,522
United States Treasury Obligations, Principal Value	[1],[2]	$ 8,000,000
Investment Interest Rate	[1],[2]	0.36%
Investment Maturity Date	[1],[2]	Jun. 02, 2022
Restricted for maintenance margin		$ 39,949,200
U.S. Treasury Bills, 0.365% due July 21, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1],[2]	2.68%
United States Treasury Obligations, Value	[1],[2]	$ 5,987,767
United States Treasury Obligations, Principal Value	[1],[2]	$ 6,000,000
Investment Interest Rate	[1],[2]	0.365%
Investment Maturity Date	[1],[2]	Jul. 21, 2022
Restricted for maintenance margin		$ 39,949,200
U.S. Treasury Bills, 0.670% due September 1, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1],[2]	3.56%
United States Treasury Obligations, Value	[1],[2]	$ 7,969,083
United States Treasury Obligations, Principal Value	[1],[2]	$ 8,000,000
Investment Interest Rate	[1],[2]	0.67%
Investment Maturity Date	[1],[2]	Sep. 01, 2022
Restricted for maintenance margin		$ 39,949,200
US Treasury and Government
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1]	17.85%		35.34%
United States Treasury Obligations, Value	[1]	$ 39,949,853		$ 37,999,954
Investments in Securities, cost		$ 39,963,132		$ 37,999,658
Exchange Traded Funds | Affiliated Investments [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[3]	4.49%		9.35%
Affiliated Investments, Value	[3]	$ 10,048,360		$ 10,055,500
Affiliated Investments, Shares	[3]	95,200		95,200
Affiliated investments, at cost	[3]	$ 10,031,643		$ 10,031,643
Invesco Government And Agency Portfolio | Affiliated Investments [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[3]	81.16%	[4]	57.42%	[5]
Affiliated Investments, Value	[3]	$ 181,661,958	[4]	$ 61,746,467	[5]
Affiliated Investments, Shares	[3]	181,661,958	[4]	61,746,467	[5]
Investment Interest Rate	[3]	0.25%	[4]	0.03%	[5]
Affiliated investments, at cost	[3]	$ 181,661,958	[4]	$ 61,746,467	[5]
U.S. Treasury Bills, 0.050% due February 3, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1],[6]			7.44%
United States Treasury Obligations, Value	[1],[6]			$ 8,002,128
United States Treasury Obligations, Principal Value	[1],[6]			$ 8,002,300
Investment Interest Rate	[1],[6]			0.05%
Investment Maturity Date	[1],[6]			Feb. 03, 2022
Restricted for maintenance margin				$ 16,997,300
U.S. Treasury Bills, 0.040% due January 6, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1]			6.51%
United States Treasury Obligations, Value	[1]			$ 7,000,001
United States Treasury Obligations, Principal Value	[1]			$ 7,000,000
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]			11.16%
United States Treasury Obligations, Value	[1]			$ 11,999,957
United States Treasury Obligations, Principal Value	[1]			$ 12,000,000
Investment Interest Rate	[1]			0.055%
Investment Maturity Date	[1]			Jan. 20, 2022
U.S. Treasury Bills, 0.070% due March 10, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1]			0.93%
United States Treasury Obligations, Value	[1]			$ 999,931
United States Treasury Obligations, Principal Value	[1]			$ 1,000,000
Investment Interest Rate	[1]			0.07%
Investment Maturity Date	[1]			Mar. 10, 2022
U.S. Treasury Bills, 0.060% due April 21, 2022 [Member]
Schedule of Investments [Line Items]
Percentage of Shareholders' Equity	[1],[6]			9.30%
United States Treasury Obligations, Value	[1],[6]			$ 9,997,937
United States Treasury Obligations, Principal Value	[1],[6]			$ 10,000,000
Investment Interest Rate	[1],[6]			0.06%
Investment Maturity Date	[1],[6]			Apr. 21, 2022
Restricted for maintenance margin				$ 16,997,300

[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 $39,949,200 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 March 31, 2022.

[5] The security and the Fund are advised by wholly-owned subsidiaries of Invesco Ltd. and are therefore considered to be affiliated. The rate shown is the 7-day SEC standardized yield as of December 31, 2021.

[6] United States Treasury Obligations of $16,997,300 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts.