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	21,541,133		$ 21,541,133
Purchases of Shares - Shares			1,000,000
Redemption of Shares - Value	(32,105,422)		$ (32,105,422)
Redemption of Shares - Shares			(1,500,000)
Net Increase (Decrease) due to Share Transactions, value	(10,564,289)		$ (10,564,289)
Net Increase (Decrease) due to Share Transactions, shares			(500,000)
Net Income (Loss)
Net Investment Income (Loss)	(303,413)	$ (3)	$ (303,410)
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	398,701	4	398,697
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	(3,064,752)	(29)	(3,064,723)
Net Income (Loss)	(2,969,464)	(28)	(2,969,436)
Net Change in Shareholders' Equity, value	(13,533,753)	(28)	$ (13,533,725)
Net Change in Shareholders' Equity, shares			(500,000)
Balance - Value at Jun. 30, 2021	80,098,285	$ 843	$ 80,097,442
Balance - Shares at Jun. 30, 2021		40	3,800,000
Balance - Value at Mar. 31, 2021	81,721,440	$ 838	$ 81,720,602
Balance - Shares at Mar. 31, 2021		40	3,900,000
Purchases of Shares - Value	8,559,639		$ 8,559,639
Purchases of Shares - Shares			400,000
Redemption of Shares - Value	(10,678,703)		$ (10,678,703)
Redemption of Shares - Shares			(500,000)
Net Increase (Decrease) due to Share Transactions, value	(2,119,064)		$ (2,119,064)
Net Increase (Decrease) due to Share Transactions, shares			(100,000)
Net Income (Loss)
Net Investment Income (Loss)	(145,004)	$ (1)	$ (145,003)
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	1,452,265	14	1,452,251
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	(811,352)	(8)	(811,344)
Net Income (Loss)	495,909	5	495,904
Net Change in Shareholders' Equity, value	(1,623,155)	5	$ (1,623,160)
Net Change in Shareholders' Equity, shares			(100,000)
Balance - Value at Jun. 30, 2021	80,098,285	$ 843	$ 80,097,442
Balance - Shares at Jun. 30, 2021		40	3,800,000
Balance - Value at Dec. 31, 2021	48,637,103	$ 811	$ 48,636,292
Balance - Shares at Dec. 31, 2021		40	2,400,000
Purchases of Shares - Value	14,894,269		$ 14,894,269
Purchases of Shares - Shares			800,000
Redemption of Shares - Value	(9,386,191)		$ (9,386,191)
Redemption of Shares - Shares			(500,000)
Net Increase (Decrease) due to Share Transactions, value	5,508,078		$ 5,508,078
Net Increase (Decrease) due to Share Transactions, shares			300,000
Net Income (Loss)
Net Investment Income (Loss)	(81,281)	$ (1)	$ (81,280)
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	(3,353,804)	(57)	(3,353,747)
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	(949,632)	(16)	(949,616)
Net Income (Loss)	(4,384,717)	(74)	(4,384,643)
Net Change in Shareholders' Equity, value	1,123,361	(74)	$ 1,123,435
Net Change in Shareholders' Equity, shares			300,000
Balance - Value at Jun. 30, 2022	49,760,464	$ 737	$ 49,759,727
Balance - Shares at Jun. 30, 2022		40	2,700,000
Balance - Value at Mar. 31, 2022	45,216,201	$ 786	$ 45,215,415
Balance - Shares at Mar. 31, 2022		40	2,300,000
Purchases of Shares - Value	14,894,269		$ 14,894,269
Purchases of Shares - Shares			800,000
Redemption of Shares - Value	(7,425,074)		$ (7,425,074)
Redemption of Shares - Shares			(400,000)
Net Increase (Decrease) due to Share Transactions, value	7,469,195		$ 7,469,195
Net Increase (Decrease) due to Share Transactions, shares			400,000
Net Income (Loss)
Net Investment Income (Loss)	(1,904)		$ (1,904)
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	(2,188,009)	$ (37)	(2,187,972)
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	(735,019)	(12)	(735,007)
Net Income (Loss)	(2,924,932)	(49)	(2,924,883)
Net Change in Shareholders' Equity, value	4,544,263	(49)	$ 4,544,312
Net Change in Shareholders' Equity, shares			400,000
Balance - Value at Jun. 30, 2022	$ 49,760,464	$ 737	$ 49,759,727
Balance - Shares at Jun. 30, 2022		40	2,700,000