Statement of Changes in Shareholders' Equity (Unaudited) - USD ($)	Total	General Shares [Member]	Shares [Member]
Balance - Value at Dec. 31, 2020	$ 93,632,038	$ 871	$ 93,631,167
Balance - Shares at Dec. 31, 2020		40	4,300,000
Purchases of Shares - Value	12,981,494		$ 12,981,494
Purchases of Shares - Shares			600,000
Redemption of Shares - Value	(21,426,719)		$ (21,426,719)
Redemption of Shares - Shares			(1,000,000)
Net Increase (Decrease) due to Share Transactions, value	(8,445,225)		$ (8,445,225)
Net Increase (Decrease) due to Share Transactions, shares			(400,000)
Net Income (Loss)
Net Investment Income (Loss)	(158,409)	$ (2)	$ (158,407)
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	(1,053,564)	(10)	(1,053,554)
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	(2,253,400)	(21)	(2,253,379)
Net Income (Loss)	(3,465,373)	(33)	(3,465,340)
Net Change in Shareholders' Equity, value	(11,910,598)	(33)	$ (11,910,565)
Net Change in Shareholders' Equity, shares			(400,000)
Balance - Value at Mar. 31, 2021	81,721,440	$ 838	$ 81,720,602
Balance - Shares at Mar. 31, 2021		40	3,900,000
Balance - Value at Dec. 31, 2021	48,637,103	$ 811	$ 48,636,292
Balance - Shares at Dec. 31, 2021		40	2,400,000
Redemption of Shares - Value	(1,961,117)		$ (1,961,117)
Redemption of Shares - Shares			(100,000)
Net Increase (Decrease) due to Share Transactions, value	(1,961,117)		$ (1,961,117)
Net Increase (Decrease) due to Share Transactions, shares			(100,000)
Net Income (Loss)
Net Investment Income (Loss)	(79,377)	$ (1)	$ (79,376)
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	(1,165,795)	(20)	(1,165,775)
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	(214,613)	(4)	(214,609)
Net Income (Loss)	(1,459,785)	(25)	(1,459,760)
Net Change in Shareholders' Equity, value	(3,420,902)	(25)	$ (3,420,877)
Net Change in Shareholders' Equity, shares			(100,000)
Balance - Value at Mar. 31, 2022	$ 45,216,201	$ 786	$ 45,215,415
Balance - Shares at Mar. 31, 2022		40	2,300,000