Statement of Changes in Shareholders' Equity (Unaudited) - USD ($)	Total	General Shares [Member]	Shares [Member]
Balance - Value at Dec. 31, 2021	$ 2,629,545,115	$ 829	$ 2,629,544,286
Balance - Shares at Dec. 31, 2021		40	126,900,000
Purchases of Shares - Value	1,103,998,603		$ 1,103,998,603
Purchases of Shares - Shares			47,000,000
Redemption of Shares - Value	(395,832,902)		$ (395,832,902)
Redemption of Shares - Shares			(16,500,000)
Net Increase (Decrease) due to Share Transactions, value	708,165,701		$ 708,165,701
Net Increase (Decrease) due to Share Transactions, shares			30,500,000
Net Income (Loss)
Net Investment Income (Loss)	(6,403,999)	$ (2)	$ (6,403,997)
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Commodity Futures Contracts	121,185,479	34	121,185,445
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Commodity Futures Contracts	649,390,197	181	649,390,016
Net Income (Loss)	764,171,677	213	764,171,464
Net Change in Shareholders' Equity, value	1,472,337,378	213	$ 1,472,337,165
Net Change in Shareholders' Equity, shares			30,500,000
Balance - Value at Mar. 31, 2022	4,101,882,493	$ 1,042	$ 4,101,881,451
Balance - Shares at Mar. 31, 2022		40	157,400,000
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