Investments in Affiliates (Tables)

6 Months Ended

Jun. 30, 2022

Investments In And Advances To Affiliates Schedule Of Investments [Abstract]

Summary of Transactions in, and Earnings from, Investments in Affiliates (Excluding Affiliated Money Market Funds)

The following is a summary of the transactions in, and earnings from, investments in affiliates for the three and six months ended June 30, 2022.

	Value 03/31/2022		Purchases at Cost		Proceeds from Sales			Change in Unrealized Appreciation (Depreciation)		Realized Gain (Loss)		Value 06/30/2022		Dividend Income
Invesco Treasury Collateral ETF	$	192,723,745	$	—	$	—		$	91,295	$	—	$	192,815,040	$	130,497
Investments in Affiliated Money    Market Funds:
Invesco Government & Agency    Portfolio, Institutional Class		3,109,688,290		2,170,355,736		(2,805,841,931	)		—		—		2,474,202,095		5,007,250
Total	$	3,302,412,035	$	2,170,355,736	$	(2,805,841,931	)	$	91,295	$	—	$	2,667,017,135	$	5,137,747

	Value 12/31/2021			Purchases at Cost			Proceeds from Sales				Change in Unrealized Appreciation (Depreciation)				Realized Gain (Loss)			Value 06/30/2022			Dividend Income
Invesco Treasury Collateral ETF		$	192,860,687		$	—		$	—			$	(45,647	)		$	—		$	192,815,040		$	142,110
Investments in Affiliated Money    Market Funds:
Invesco Government & Agency    Portfolio, Institutional Class			1,811,356,075			4,866,627,842			(4,203,781,822	)			—				—			2,474,202,095			5,468,164
Total		$	2,004,216,762		$	4,866,627,842		$	(4,203,781,822	)		$	(45,647	)		$	—		$	2,667,017,135		$	5,610,274

The following is a summary of the transactions in, and earnings from, investments in affiliates for the three and six months ended June 30, 2021.

	Value 03/31/2021		Purchases at Cost		Proceeds from Sales			Change in Unrealized Appreciation (Depreciation)			Realized Gain (Loss)		Value 06/30/2021		Dividend Income
Invesco Treasury Collateral ETF	$	180,974,994	$	—	$	—		$	(25,686	)	$	—	$	180,949,308	$	2,380
Investments in Affiliated Money    Market Funds:
Invesco Government & Agency    Portfolio, Institutional Class		797,334,599		1,093,405,462		(584,305,334	)		—			—		1,306,434,727		79,036
Total	$	978,309,593	$	1,093,405,462	$	(584,305,334	)	$	(25,686	)	$	—	$	1,487,384,035	$	81,416

	Value 12/31/2020		Purchases at Cost		Proceeds from Sales			Change in Unrealized Appreciation (Depreciation)		Realized Gain (Loss)		Value 06/30/2021		Dividend Income
Invesco Treasury Collateral ETF	$	180,949,308	$	—	$	—		$	—	$	—	$	180,949,308	$	29,299
Investments in Affiliated Money    Market Funds:
Invesco Government & Agency    Portfolio, Institutional Class		710,155,447		2,059,503,193		(1,463,223,913	)		—		—		1,306,434,727		141,694
Total	$	891,104,755	$	2,059,503,193	$	(1,463,223,913	)	$	—	$	—	$	1,487,384,035	$	170,993