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Condensed Schedule of Investments (Parenthetical) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Collateral Amount On Open Futures Contracts	$ 723,771,439	$ 149,272,014
Investment, Period of Yield	7 days
U.S. Treasury Bills, 2.05%, 1/02/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		2.05%
Expiration date		1/02/2020
U.S. Treasury Bills, 2.03%, 1/09/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		2.03%
Expiration date		1/09/2020
U.S. Treasury Bills, 2.01%, 1/16/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		2.01%
Expiration date		1/16/2020
U.S. Treasury Bills, 2.04%, 1/23/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		2.04%
Expiration date		1/23/2020
U.S. Treasury Bills, 2.02%, 1/30/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		2.02%
Expiration date		1/30/2020
U.S. Treasury Bills, 1.89%, 2/06/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		1.89%
Expiration date		2/06/2020
U.S. Treasury Bills, 1.87%, 2/13/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		1.87%
Expiration date		2/13/2020
U.S. Treasury Bills, 1.85%, 2/20/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		1.85%
Expiration date		2/20/2020
U.S. Treasury Bills, 1.85%, 2/27/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		1.85%
Expiration date		2/27/2020
U.S. Treasury Bills, 1.83%, 3/05/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		1.83%
Expiration date		3/05/2020
U.S. Treasury Bills, 1.84%, 3/19/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		1.84%
Expiration date		3/19/2020
U.S. Treasury Bills, 1.88%, 3/26/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		1.88%
Expiration date		3/26/2020
U.S. Treasury Bills, 1.70%, 4/02/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		1.70%
Expiration date		4/02/2020
U.S. Treasury Bills, 1.64%, 4/09/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		1.64%
Expiration date		4/09/2020
U.S. Treasury Bills, 1.60%, 4/16/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		1.60%
Expiration date		4/16/2020
U.S. Treasury Bills, 1.60%, 4/23/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		1.60%
Expiration date		4/23/2020
U.S. Treasury Bills, 1.59%, 4/30/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		1.59%
Expiration date		4/30/2020
U.S. Treasury Bills, 1.54%, 5/07/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		1.54%
Expiration date		5/07/2020
U.S. Treasury Bills, 1.55%, 5/14/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		1.55%
Expiration date		5/14/2020
U.S. Treasury Bills, 1.55%, 5/21/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		1.55%
Expiration date		5/21/2020
U.S. Treasury Bills, 1.58%, 5/28/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		1.58%
Expiration date		5/28/2020
U.S. Treasury Bills, 1.53%, 6/04/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		1.53%
Expiration date		6/04/2020
U.S. Treasury Bills, 1.53%, 6/11/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		1.53%
Expiration date		6/11/2020
U.S. Treasury Bills, 1.54%, 6/18/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		1.54%
Expiration date		6/18/2020
U.S. Treasury Bills, 1.57%, 6/25/2020 | United States Treasury Obligations | Cash Equivalents
Interest rate		1.57%
Expiration date		6/25/2020
Fidelity Investments Money Market Funds - Government Portfolio | United States Money Market Funds | Cash Equivalents
Investment Interest Rate	0.01%
RBC U.S. Government Money Market Fund - Institutional Share Class, 0.02% | United States Money Market Funds | Cash Equivalents
Investment Interest Rate	0.02%

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