Investments in Affiliates (Tables)

12 Months Ended

Dec. 31, 2023

Investments in and Advances to Affiliates, Schedule of Investments [Abstract]

Summary of Transactions in, and Earnings from, Investments in Affiliates

The following is a summary of the transactions in, and earnings from, investments in affiliates for the year ended December 31, 2023.

	Value 12/31/2022		Purchases at Cost		Proceeds from Sales			Change in Unrealized Appreciation (Depreciation)		Realized Gain (Loss)			Value 12/31/2023		Dividend Income
Invesco Short Term    Treasury ETF	$	73,590,524	$	—	$	(73,663,986	)	$	194,054	$	(120,592	)	$	—	$	1,818,833
Investments in Affiliated     Money Market Funds:
Invesco Government &     Agency Portfolio,     Institutional Class		909,560,064		1,448,847,156		(2,246,873,163	)		—		—			111,534,057		18,276,615
Total	$	983,150,588	$	1,448,847,156	$	(2,320,537,149	)	$	194,054	$	(120,592	)	$	111,534,057	$	20,095,448

The following is a summary of the transactions in, and earnings from, investments in affiliates for the year ended December 31, 2022.

	Value 12/31/2021		Purchases at Cost		Proceeds from Sales			Change in Unrealized Appreciation (Depreciation)			Realized Gain (Loss)		Value 12/31/2022		Dividend Income
Invesco Treasury    Collateral ETF	$	49,855,000	$	23,899,275	$	—		$	(163,751	)	$	—	$	73,590,524	$	960,795
Investments in Affiliated     Money Market Funds:
Invesco Government &     Agency Portfolio,     Institutional Class		576,603,758		3,485,628,652		(3,152,672,346	)		—			—		909,560,064		16,533,322
Total	$	626,458,758	$	3,509,527,927	$	(3,152,672,346	)	$	(163,751	)	$	—	$	983,150,588	$	17,494,117

The following is a summary of the transactions in, and earnings from, investments in affiliates for the year ended December 31, 2021.

	Value 12/31/2020		Purchases at Cost		Proceeds from Sales			Change in Unrealized Appreciation (Depreciation)			Realized Gain (Loss)			Value 12/31/2021		Dividend Income
Invesco Treasury    Collateral ETF	$	49,876,240	$	—	$	—		$	(21,240	)	$	8,454		$	49,855,000	$	8,075
Investments in Affiliated     Money Market Funds:
Invesco Government &     Agency Portfolio,     Institutional Class		195,533,756		1,000,484,866		(619,414,864	)		—			—			576,603,758		66,984
Total	$	245,409,996	$	1,000,484,866	$	(619,414,864	)	$	(21,240	)	$	8,454	(a)	$	626,458,758	$	75,059

(a) Includes $8,454 of capital gains distributions from Invesco Treasury Collateral ETF.