Statement of Changes in Shareholders' Equity (Unaudited) - 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	460,882,194		$ 460,882,194
Purchases of Shares - Shares			18,700,000
Redemption of Shares - Value	(356,730,650)		$ (356,730,650)
Redemption of Shares - Shares			(14,500,000)
Net Increase (Decrease) due to Share Transactions, value	104,151,544		$ 104,151,544
Net Increase (Decrease) due to Share Transactions, shares			4,200,000
Net Income (Loss)
Net Investment Income (Loss)	(2,145,948)	$ (5)	$ (2,145,943)
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	7,653,997	18	7,653,979
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	12,445,835	29	12,445,806
Net Income (Loss)	17,953,884	42	17,953,842
Net Change in Shareholders' Equity, value	122,105,428	42	$ 122,105,386
Net Change in Shareholders' Equity, shares			4,200,000
Balance - Value at Sep. 30, 2021	488,291,243	$ 1,012	$ 488,290,231
Balance - Shares at Sep. 30, 2021		40	19,300,000
Balance - Value at Jun. 30, 2021	430,025,576	$ 994	$ 430,024,582
Balance - Shares at Jun. 30, 2021		40	17,300,000
Purchases of Shares - Value	112,416,781		$ 112,416,781
Purchases of Shares - Shares			4,500,000
Redemption of Shares - Value	(62,379,989)		$ (62,379,989)
Redemption of Shares - Shares			(2,500,000)
Net Increase (Decrease) due to Share Transactions, value	50,036,792		$ 50,036,792
Net Increase (Decrease) due to Share Transactions, shares			2,000,000
Net Income (Loss)
Net Investment Income (Loss)	(831,722)	$ (2)	$ (831,720)
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	11,195,317	27	11,195,290
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	(2,134,720)	(7)	(2,134,713)
Net Income (Loss)	8,228,875	18	8,228,857
Net Change in Shareholders' Equity, value	58,265,667	18	$ 58,265,649
Net Change in Shareholders' Equity, shares			2,000,000
Balance - Value at Sep. 30, 2021	488,291,243	$ 1,012	$ 488,290,231
Balance - Shares at Sep. 30, 2021		40	19,300,000
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	2,160,228,828		$ 2,160,228,828
Purchases of Shares - Shares			77,800,000
Redemption of Shares - Value	(1,057,468,354)		$ (1,057,468,354)
Redemption of Shares - Shares			(37,700,000)
Net Increase (Decrease) due to Share Transactions, value	1,102,760,474		$ 1,102,760,474
Net Increase (Decrease) due to Share Transactions, shares			40,100,000
Net Income (Loss)
Net Investment Income (Loss)	4,536,372	$ 3	$ 4,536,369
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	179,479,274	140	179,479,134
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	48,502,695	38	48,502,657
Net Income (Loss)	232,518,341	181	232,518,160
Net Change in Shareholders' Equity, value	1,335,278,815	181	$ 1,335,278,634
Net Change in Shareholders' Equity, shares			40,100,000
Balance - Value at Sep. 30, 2022	2,052,623,985	$ 1,206	$ 2,052,622,779
Balance - Shares at Sep. 30, 2022		40	68,100,000
Balance - Value at Jun. 30, 2022	1,723,974,781	$ 1,118	$ 1,723,973,663
Balance - Shares at Jun. 30, 2022		40	61,700,000
Purchases of Shares - Value	846,363,589		$ 846,363,589
Purchases of Shares - Shares			29,100,000
Redemption of Shares - Value	(656,901,205)		$ (656,901,205)
Redemption of Shares - Shares			(22,700,000)
Net Increase (Decrease) due to Share Transactions, value	189,462,384		$ 189,462,384
Net Increase (Decrease) due to Share Transactions, shares			6,400,000
Net Income (Loss)
Net Investment Income (Loss)	5,681,685	$ 4	$ 5,681,681
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	117,918,994	79	117,918,915
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	15,586,141	5	15,586,136
Net Income (Loss)	139,186,820	88	139,186,732
Net Change in Shareholders' Equity, value	328,649,204	88	$ 328,649,116
Net Change in Shareholders' Equity, shares			6,400,000
Balance - Value at Sep. 30, 2022	$ 2,052,623,985	$ 1,206	$ 2,052,622,779
Balance - Shares at Sep. 30, 2022		40	68,100,000