Statements of Financial Condition - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Assets
United States Treasury Obligations, at value (cost $342,604,310 and $571,517,656, respectively)	$ 342,956,644	$ 571,698,186
Investments, at value	710,772,102	1,089,260,788
Cash held by custodian	4,721,066
Receivable for:
Fund shares sold	2,074,305
Dividends from affiliates	1,403,400	1,766,452
Total assets	718,970,873	1,091,027,240
Other investments:
Variation margin payable- Commodity Futures Contracts	10,687,335	1,359,934
Payable for:
Distributions	336,157
Fund shares reacquired	3,157,545	16,131,716
Management fees	520,593	826,520
Brokerage commissions and fees	2,673	2,140
Total liabilities	14,704,303	18,320,310
Equity
Shareholder's equity—General Shares	830	806
Shareholders' equity—Shares	704,265,740	1,072,706,124
Total shareholders' equity	704,266,570	1,072,706,930
Total liabilities and equity	$ 718,970,873	$ 1,091,027,240
General Shares outstanding	40	40
Shares outstanding	33,950,000	53,200,000
Net asset value per share	$ 20.74	$ 20.16
Market value per share	$ 20.73	$ 20.15
Investment, Affiliated [Member]
Assets
Investments, at value	$ 367,815,458	$ 517,562,602