Statement of Changes in Shareholders' Equity (Unaudited) - USD ($)	Total	General Shares [Member]	Shares [Member]
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	50,397,991		$ 50,397,991
Purchases of Shares - Shares			2,800,000
Redemption of Shares - Value	(26,965,219)		$ (26,965,219)
Redemption of Shares - Shares			(1,500,000)
Net Increase (Decrease) due to Share Transactions, value	23,432,772		$ 23,432,772
Net Increase (Decrease) due to Share Transactions, shares			1,300,000
Net Income (Loss)
Net Investment Income (Loss)	121,172	$ 2	$ 121,170
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	(6,987,589)	(102)	(6,987,487)
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	(1,817,126)	(26)	(1,817,100)
Net Income (Loss)	(8,683,543)	(126)	(8,683,417)
Net Change in Shareholders' Equity, value	14,749,229	(126)	$ 14,749,355
Net Change in Shareholders' Equity, shares			1,300,000
Balance - Value at Sep. 30, 2022	63,386,332	$ 685	$ 63,385,647
Balance - Shares at Sep. 30, 2022		40	3,700,000
Balance - Value at Jun. 30, 2022	49,760,464	$ 737	$ 49,759,727
Balance - Shares at Jun. 30, 2022		40	2,700,000
Purchases of Shares - Value	35,503,722		$ 35,503,722
Purchases of Shares - Shares			2,000,000
Redemption of Shares - Value	(17,579,028)		$ (17,579,028)
Redemption of Shares - Shares			(1,000,000)
Net Increase (Decrease) due to Share Transactions, value	17,924,694		$ 17,924,694
Net Increase (Decrease) due to Share Transactions, shares			1,000,000
Net Income (Loss)
Net Investment Income (Loss)	202,453	$ 3	$ 202,450
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	(3,633,785)	(45)	(3,633,740)
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	(867,494)	(10)	(867,484)
Net Income (Loss)	(4,298,826)	(52)	(4,298,774)
Net Change in Shareholders' Equity, value	13,625,868	(52)	$ 13,625,920
Net Change in Shareholders' Equity, shares			1,000,000
Balance - Value at Sep. 30, 2022	63,386,332	$ 685	$ 63,385,647
Balance - Shares at Sep. 30, 2022		40	3,700,000
Balance - Value at Dec. 31, 2022	99,877,740	$ 740	$ 99,877,000
Balance - Shares at Dec. 31, 2022		40	5,400,000
Purchases of Shares - Value	43,377,503		$ 43,377,503
Purchases of Shares - Shares			2,300,000
Redemption of Shares - Value	(78,778,693)		$ (78,778,693)
Redemption of Shares - Shares			(4,250,000)
Net Increase (Decrease) due to Share Transactions, value	(35,401,190)		$ (35,401,190)
Net Increase (Decrease) due to Share Transactions, shares			(1,950,000)
Net Income (Loss)
Net Investment Income (Loss)	2,526,689	$ 12	$ 2,526,677
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	(2,404,060)	(11)	(2,404,049)
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	(1,183,648)	(6)	(1,183,642)
Net Income (Loss)	(1,061,019)	(5)	(1,061,014)
Net Change in Shareholders' Equity, value	(36,462,209)	(5)	$ (36,462,204)
Net Change in Shareholders' Equity, shares			(1,950,000)
Balance - Value at Sep. 30, 2023	63,415,531	$ 735	$ 63,414,796
Balance - Shares at Sep. 30, 2023		40	3,450,000
Balance - Value at Jun. 30, 2023	71,549,741	$ 753	$ 71,548,988
Balance - Shares at Jun. 30, 2023		40	3,800,000
Purchases of Shares - Value	7,597,367		$ 7,597,367
Purchases of Shares - Shares			400,000
Redemption of Shares - Value	(13,952,247)		$ (13,952,247)
Redemption of Shares - Shares			(750,000)
Net Increase (Decrease) due to Share Transactions, value	(6,354,880)		$ (6,354,880)
Net Increase (Decrease) due to Share Transactions, shares			(350,000)
Net Income (Loss)
Net Investment Income (Loss)	818,551	$ (19)	$ 818,570
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	(2,081,894)	(5)	(2,081,889)
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	(515,987)	6	(515,993)
Net Income (Loss)	(1,779,330)	(18)	(1,779,312)
Net Change in Shareholders' Equity, value	(8,134,210)	(18)	$ (8,134,192)
Net Change in Shareholders' Equity, shares			(350,000)
Balance - Value at Sep. 30, 2023	$ 63,415,531	$ 735	$ 63,414,796
Balance - Shares at Sep. 30, 2023		40	3,450,000