Schedule of Investments (Unaudited) - Treasury Bills and Money Market Fund - USD ($)		Mar. 31, 2022		Dec. 31, 2021
Schedule Of Investments [Line Items]
Percentage of Shareholders' Equity		100.55%		99.74%
United States Treasury Obligations, Value		$ 11,987,218		$ 17,000,743
Affiliated investments, value		33,478,674		31,507,548
Investments in Securities, Value		45,465,892		48,508,291
Investments in Securities, cost		$ 45,465,720		$ 48,507,955
U S Treasury Bills Zero Point Four Four Zero Percentage Due May Nineteen Two Thousand Twenty Two
Schedule Of Investments [Line Items]
Percentage of Shareholders' Equity	[1]	4.42%
United States Treasury Obligations, Value	[1]	$ 1,999,360
United States Treasury Obligations, Principal Value	[1]	$ 2,000,000
Investment Interest Rate	[1]	0.44%
Investment Maturity Date	[1]	May 19, 2022
U S Treasury Bills Zero Point Three Eight Zero Percentage Due June Nine Two Thousand Twenty Two
Schedule Of Investments [Line Items]
Percentage of Shareholders' Equity	[2]	17.68%
United States Treasury Obligations, Value	[2]	$ 7,994,280
United States Treasury Obligations, Principal Value	[2]	$ 8,000,000
Investment Interest Rate	[2]	0.38%
Investment Maturity Date	[2]	Jun. 09, 2022
U S Treasury Bills Zero Point Seven Sevan Zero Percentage Due August Eighteen Two Thousand Twenty Two
Schedule Of Investments [Line Items]
Percentage of Shareholders' Equity	[1]	4.41%
United States Treasury Obligations, Value	[1]	$ 1,993,578
United States Treasury Obligations, Principal Value	[1]	$ 2,000,000
Investment Interest Rate	[1]	0.77%
Investment Maturity Date	[1]	Aug. 18, 2022
US Treasury and Government
Schedule Of Investments [Line Items]
Percentage of Shareholders' Equity	[2]	26.51%		34.96%
United States Treasury Obligations, Value	[2]	$ 11,987,218		$ 17,000,743
Investments in Securities, cost	[2]	$ 11,987,046		$ 17,000,407
Invesco Government And Agency Portfolio Institutional Class | Affiliated Entity
Schedule Of Investments [Line Items]
Percentage of Shareholders' Equity		74.04%		64.78%
Affiliated investments, value		$ 33,478,674		$ 31,507,548
Shares		33,478,674		31,507,548
Investment Interest Rate		0.25%	[3],[4]	0.03%	[5],[6]
Investments in Securities, cost		$ 33,478,674	[3],[4]	$ 31,507,548	[5],[6]
USTreasuryBillsPercentageDueDateMember [Member]
Schedule Of Investments [Line Items]
Percentage of Shareholders' Equity	[2]			8.22%
United States Treasury Obligations, Value	[2]			$ 4,000,000
United States Treasury Obligations, Principal Value	[2]			$ 4,000,000
Investment Interest Rate	[2]			0.04%
Investment Maturity Date	[2]			Jan. 06, 2022
Restricted for maintenance margin	[1]	$ 3,992,600
U S Treasury Bills Zero Point Zero Four Five Percentage Due February Three Two Thousand Twenty One
Schedule Of Investments [Line Items]
Percentage of Shareholders' Equity	[2]			10.28%
United States Treasury Obligations, Value	[2]			$ 5,001,293
United States Treasury Obligations, Principal Value	[2]			$ 5,001,400
Investment Interest Rate	[2]			0.05%
Investment Maturity Date	[2]			Feb. 03, 2022
Us Treasury Bill Zero Point Zero Seven Zero Percentage Due March Ten Two Thousand Twenty Two
Schedule Of Investments [Line Items]
Percentage of Shareholders' Equity	[7]			16.46%
United States Treasury Obligations, Value	[7]			$ 7,999,450
United States Treasury Obligations, Principal Value	[7]			$ 8,000,000
Investment Interest Rate	[7]			0.07%
Investment Maturity Date	[7]			Mar. 10, 2022
U.S. Treasury Bills, XX% due XX [Member]
Schedule Of Investments [Line Items]
Restricted for maintenance margin				$ 3,999,600

[1] United States Treasury Obligations of $3,992,600 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts

[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] 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] 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 December 31, 2021

[7] United States Treasury Obligations of $3,999,600 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts.