Statements of Financial Condition - USD ($)		Dec. 31, 2023	Dec. 31, 2022
Assets
United States Treasury Obligations, at value (cost $55,864,584 and $146,136,233, respectively)		$ 55,916,139	$ 146,181,951
Other investments:
Unrealized appreciation on LME Commodity Futures Contracts		2,605,074	426,498
Deposits with brokers:
Cash collateral - Commodity Futures Contracts		15,000,000	15,000,000
Cash held by custodian			1,964,633
Receivable for:
Dividends from affiliates		204,877	525,910
Total assets		127,071,925	327,696,688
Other Investments:
LME Commodity Futures Contracts payable		4,329,738	62,908,834
Unrealized depreciation on LME Commodity Futures Contracts		683,289	38,400,145
Payable for:
Distributions		395,895
Fund shares reacquired			1,964,633
Brokerage commissions and fees		5,014	4,585
Total liabilities		5,489,938	103,421,278
Commitments and Contingencies (Note 10)
Equity
Shareholder's equity—General Shares		731	780
Shareholders' equity—Shares		121,581,256	224,274,630
Total shareholders' equity		121,581,987	224,275,410
Total liabilities and equity		$ 127,071,925	$ 327,696,688
General Shares outstanding		40	40
Shares outstanding		6,650,000	11,500,000
Net asset value per share		$ 18.28	$ 19.50
Market value per share	[1]	$ 18.31	$ 19.57
Investment Affiliated [Member]
Assets
Affiliated investments, at value (cost $53,361,244 and $163,663,402, respectively)		$ 53,345,835	$ 163,597,696
Related Party [Member]
Payable for:
Management fees		$ 76,002	$ 143,081

[1] The mean between the last bid and ask prices.