Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net Income (Loss)	$ 121,114	$ 211,044	$ (441,682)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Cost of securities purchased	(39,695,795)	(20,996,188)	(33,932,014)
Proceeds from securities sold and matured	32,000,000	20,000,000	44,999,525
Cost of affiliated investments purchased	(47,747,932)	(43,697,521)	(44,503,897)
Proceeds from affiliated investments sold	45,216,233	29,303,741	45,890,118
Net accretion of discount on United States Treasury Obligations	(221,048)	(4,945)	(92,495)
Net realized (gain) loss on United States Treasury Obligations		(2)	(1,766)
Net change in unrealized (gain) loss on United States Treasury Obligations	(5,374)	386	2,412
Change in operating assets and liabilities:
Variation margin - Currency Futures Contracts	147,823	74,721	18,364
Cash due from broker	25,050	(25,050)
Dividends from affiliates	(60,364)	(320)	4,142
Management fees	6,104	9,600	(7,476)
Brokerage commissions and fees			16
Net cash provided by (used in) operating activities	(10,214,189)	(15,124,534)	11,935,247
Cash flows from financing activities:
Distributions paid to shareholders	(289,146)
Proceeds from purchases of Shares	20,847,616	17,611,924
Redemption of Shares	(10,365,346)	(2,523,907)	(11,877,665)
Net cash provided by (used for) financing activities	10,193,124	15,088,017	(11,877,665)
Net change in cash	(21,065)	(36,517)	57,582
Cash at beginning of period	21,065	57,582
Cash at end of period		21,065	57,582
Supplemental disclosure of cash flow information
Cash paid for interest	$ 1,261	$ 155	$ 315