Investments in Affiliates (Tables)

9 Months Ended

Sep. 30, 2021

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 nine months ended September 30, 2021.

	Value 06/30/2021		Purchases at Cost		Proceeds from Sales			Change in Unrealized Appreciation (Depreciation)			Realized Gain (Loss)		Value 09/30/2021		Dividend Income
Invesco Treasury Collateral ETF	$	180,949,308	$	11,994,566	$	—		$	(19,280	)	$	—	$	192,924,594	$	1
Investments in Affiliated Money    Market Funds:
Invesco Government & Agency    Portfolio, Institutional Class		1,306,434,727		833,710,150		(933,912,192	)		—			—		1,206,232,685		79,175
Total	$	1,487,384,035	$	845,704,716	$	(933,912,192	)	$	(19,280	)	$	—	$	1,399,157,279	$	79,176

	Value 12/31/2020		Purchases at Cost		Proceeds from Sales			Change in Unrealized Appreciation (Depreciation)			Realized Gain (Loss)		Value 09/30/2021		Dividend Income
Invesco Treasury Collateral ETF	$	180,949,308	$	11,994,566	$	—		$	(19,280	)	$	—	$	192,924,594	$	29,300
Investments in Affiliated Money    Market Funds:
Invesco Government & Agency    Portfolio, Institutional Class		710,155,447		2,893,213,343		(2,397,136,105	)		—			—		1,206,232,685		220,869
Total	$	891,104,755	$	2,905,207,909	$	(2,397,136,105	)	$	(19,280	)	$	—	$	1,399,157,279	$	250,169

The following is a summary of the transactions in, and earnings from, investments in affiliates for the three and nine months ended September 30, 2020.

	Value 06/30/2020		Purchases at Cost		Proceeds from Sales			Change in Unrealized Appreciation (Depreciation)			Realized Gain (Loss)		Value 09/30/2020		Dividend Income
Invesco Treasury Collateral ETF	$	181,171,920	$	—	$	—		$	(119,868	)	$	—	$	181,052,052	$	131,255
Investments in Affiliated Money    Market Funds:
Invesco Government & Agency    Portfolio, Institutional Class		—		476,687,876		(8,923,789	)		—			—		467,764,087		1,486
Invesco Premier U.S. Government    Money Portfolio, Institutional    Class		336,636,283		350,716,588		(687,352,871	)		—			—		—		28,211
Total	$	517,808,203	$	827,404,464	$	(696,276,660	)	$	(119,868	)	$	—	$	648,816,139	$	160,952

	Value 12/31/2019		Purchases at Cost		Proceeds from Sales			Change in Unrealized Appreciation (Depreciation)		Realized Gain (Loss)		Value 09/30/2020		Dividend Income
Invesco Treasury Collateral ETF	$	250,383,096	$	—	$	(69,931,153	)	$	216,059	$	384,050	$	181,052,052	$	1,662,729
Investments in Affiliated Money    Market Funds:
Invesco Government & Agency    Portfolio, Institutional Class		—		476,687,876		(8,923,789	)		—		—		467,764,087		1,486
Invesco Premier U.S. Government    Money Portfolio, Institutional    Class		517,499,491		1,329,363,136		(1,846,862,627	)		—		—		—		1,098,336
Total	$	767,882,587	$	1,806,051,012	$	(1,925,717,569	)	$	216,059	$	384,050	$	648,816,139	$	2,762,551