Statement of Changes in Shareholders' Equity (Unaudited) - USD ($)	Total	General Shares [Member]	Shares [Member]
Balance - Value at Dec. 31, 2022	$ 2,637,450,891	$ 986	$ 2,637,449,905
Balance - Shares at Dec. 31, 2022		40	107,000,000
Purchases of Shares - Value	61,680,141		$ 61,680,141
Purchases of Shares - Shares			2,600,000
Redemption of Shares - Value	(436,644,972)		$ (436,644,972)
Redemption of Shares - Shares			(18,400,000)
Net Increase (Decrease) due to Share Transactions, value	(374,964,831)		$ (374,964,831)
Net Increase (Decrease) due to Share Transactions, shares			(15,800,000)
Net Income (Loss)
Net Investment Income (Loss)	21,891,325	$ 8	$ 21,891,317
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Commodity Futures Contracts	(70,299,900)	(26)	(70,299,874)
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Commodity Futures Contracts	(47,159,814)	(18)	(47,159,796)
Net Income (Loss)	(95,568,389)	(36)	(95,568,353)
Net Change in Shareholders' Equity, value	(470,533,220)	(36)	$ (470,533,184)
Net Change in Shareholders' Equity, shares			(15,800,000)
Balance - Value at Mar. 31, 2023	2,166,917,671	$ 950	$ 2,166,916,721
Balance - Shares at Mar. 31, 2023		40	91,200,000
Balance - Value at Dec. 31, 2023	1,683,432,356	$ 882	$ 1,683,431,474
Balance - Shares at Dec. 31, 2023		40	76,350,000
Purchases of Shares - Value	78,128,725		$ 78,128,725
Purchases of Shares - Shares			3,500,000
Redemption of Shares - Value	(113,716,598)		$ (113,716,598)
Redemption of Shares - Shares			(5,150,000)
Net Increase (Decrease) due to Share Transactions, value	(35,587,873)		$ (35,587,873)
Net Increase (Decrease) due to Share Transactions, shares			(1,650,000)
Net Income (Loss)
Net Investment Income (Loss)	18,721,612	$ 10	$ 18,721,602
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Commodity Futures Contracts	(2,570,178)	(1)	(2,570,177)
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Commodity Futures Contracts	52,832,034	28	52,832,006
Net Income (Loss)	68,983,468	37	68,983,431
Net Change in Shareholders' Equity, value	33,395,595	37	$ 33,395,558
Net Change in Shareholders' Equity, shares			(1,650,000)
Balance - Value at Mar. 31, 2024	$ 1,716,827,951	$ 919	$ 1,716,827,032
Balance - Shares at Mar. 31, 2024		40	74,700,000