Statement of Changes in Shareholders' Equity - USD ($)	Total	General Shares [Member]	Shares [Member]
Balance - Value at Dec. 31, 2020	$ 366,185,815	$ 970	$ 366,184,845
Balance - Shares at Dec. 31, 2020		40	15,100,000
Purchases of Shares - Value	755,794,494		$ 755,794,494
Purchases of Shares - Shares			30,200,000
Redemption of Shares - Value	(427,447,338)		$ (427,447,338)
Redemption of Shares - Shares			(17,300,000)
Net Increase (Decrease) due to Share Transactions, value	328,347,156		$ 328,347,156
Net Increase (Decrease) due to Share Transactions, shares			12,900,000
Net Income (Loss)
Net Investment Income (Loss)	(3,190,827)	$ (8)	$ (3,190,819)
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	26,425,686	64	26,425,622
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	(422,660)	(1)	(422,659)
Net Income (Loss)	22,812,199	55	22,812,144
Net Change in Shareholders' Equity, value	351,159,355	55	$ 351,159,300
Net Change in Shareholders' Equity, shares			12,900,000
Balance - Value at Dec. 31, 2021	717,345,170	$ 1,025	$ 717,344,145
Balance - Shares at Dec. 31, 2021		40	28,000,000
Purchases of Shares - Value	2,623,713,859		$ 2,623,713,859
Purchases of Shares - Shares			93,500,000
Redemption of Shares - Value	(1,762,689,597)		$ (1,762,689,597)
Redemption of Shares - Shares			(62,400,000)
Net Increase (Decrease) due to Share Transactions, value	861,024,262		$ 861,024,262
Net Increase (Decrease) due to Share Transactions, shares			31,100,000
Return of Capital Distributions	(16,176,970)	$ (10)	$ (16,176,960)
Net Income (Loss)
Net Investment Income (Loss)	17,672,228	12	17,672,216
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	66,941,682	89	66,941,593
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	(3,339,641)	(4)	(3,339,637)
Net Income (Loss)	81,274,269	97	81,274,172
Net Change in Shareholders' Equity, value	926,121,561	87	$ 926,121,474
Net Change in Shareholders' Equity, shares			31,100,000
Balance - Value at Dec. 31, 2022	1,643,466,731	$ 1,112	$ 1,643,465,619
Balance - Shares at Dec. 31, 2022		40	59,100,000
Purchases of Shares - Value	1,103,983,515		$ 1,103,983,515
Purchases of Shares - Shares			38,650,000
Redemption of Shares - Value	(2,350,964,885)		$ (2,350,964,885)
Redemption of Shares - Shares			(83,400,000)
Net Increase (Decrease) due to Share Transactions, value	(1,246,981,370)		$ (1,246,981,370)
Net Increase (Decrease) due to Share Transactions, shares			(44,750,000)
Return of Capital Distributions	(28,888,592)	$ (70)	$ (28,888,522)
Net Income (Loss)
Net Investment Income (Loss)	34,182,996	89	34,182,907
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	(16,471,673)	(59)	(16,471,614)
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	3,373,021	12	3,373,009
Net Income (Loss)	21,084,344	42	21,084,302
Net Change in Shareholders' Equity, value	(1,254,785,618)	(28)	$ (1,254,785,590)
Net Change in Shareholders' Equity, shares			(44,750,000)
Balance - Value at Dec. 31, 2023	$ 388,681,113	$ 1,084	$ 388,680,029
Balance - Shares at Dec. 31, 2023		40	14,350,000