Investments in Affiliates (Tables)

3 Months Ended

Mar. 31, 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 months ended March 31, 2022.

	Value 12/31/2021		Purchases at Cost		Proceeds from Sales			Change in Unrealized Appreciation (Depreciation)			Realized Gain (Loss)		Value 03/31/2022		Dividend Income
Invesco Treasury     Collateral ETF	$	89,221,438	$	—	$	—		$	(63,353	)	$	—	$	89,158,085	$	5,372
Investments in     Affiliated Money     Market Funds:
Invesco Government &     Agency Portfolio,     Institutional Class		738,422,201		1,190,169,072		(430,330,575	)		—			—		1,498,260,698		193,495
Total	$	827,643,639	$	1,190,169,072	$	(430,330,575	)	$	(63,353	)	$	—	$	1,587,418,783	$	198,867

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

	Value 12/31/2020		Purchases at Cost		Proceeds from Sales			Change in Unrealized Appreciation (Depreciation)		Realized Gain (Loss)		Value 03/31/2021		Dividend Income
Invesco Treasury     Collateral ETF	$	89,259,449	$	—	$	—		$	12,671	$	—	$	89,272,120	$	13,279
Investments in     Affiliated Money     Market Funds:
Invesco Government &     Agency Portfolio,     Institutional Class		336,550,265		394,242,761		(371,558,777	)		—		—		359,234,249		30,413
Total	$	425,809,714	$	394,242,761	$	(371,558,777	)	$	12,671	$	—	$	448,506,369	$	43,692