Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net Income (Loss)	$ (151,710,385)	$ 551,790,070	$ 658,559,916
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Cost of securities purchased	(2,725,821,126)	(3,513,373,147)	(1,445,740,189)
Proceeds from securities sold and matured	3,259,999,847	2,882,029,600	1,224,000,000
Cost of affiliated investments purchased	(3,555,261,081)	(7,464,209,086)	(4,296,742,105)
Proceeds from affiliated investments sold	4,072,945,337	8,042,449,383	3,183,546,911
Net accretion of discount on United States Treasury Obligations	(45,806,209)	(18,597,705)	(430,088)
Net realized (gain) loss on United States Treasury Obligations and Affiliated Investments	154	103,308
Net change in unrealized (gain) loss on United States Treasury Obligations, Affiliated Investments and LME Commodity Futures Contracts	(37,201,718)	63,097,601	397,525
Change in operating assets and liabilities:
Variation margin - Commodity Futures Contracts	38,134,315	(62,155,794)	37,670,658
LME Commodity Futures Contracts	(46,384,666)	59,888,443	523,756
Dividends from affiliates	890,154	(4,569,269)	(26,129)
Management fees	(681,835)	36,219	1,036,635
Brokerage commissions and fees	1,498	(557)	1,068
Net cash provided by (used in) operating activities	809,104,285	536,489,066	(637,202,042)
Cash flows from financing activities:
Distributions paid to shareholders	(84,199,842)	(16,159,645)
Proceeds from purchases of Shares	370,325,566	2,336,302,006	1,798,847,084
Redemption of Shares	(1,095,230,009)	(2,856,631,427)	(1,169,186,522)
Net cash provided by (used in) financing activities	(809,104,285)	(536,489,066)	629,660,562
Net change in cash	0	0	(7,541,480)
Cash at beginning of period	0	0	7,541,480
Cash at end of period	0	0	0
Supplemental disclosure of cash flow information
Cash paid for interest	$ 511,287	$ 349,325	$ 36,912