Statement of Changes in Shareholders' Equity (Unaudited) - USD ($)	Total	General Shares [Member]	Shares [Member]
Balance - Shares at Dec. 31, 2021		40	28,000,000
Balance - Value at Dec. 31, 2021	$ 717,345,170	$ 1,025	$ 717,344,145
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 - Shares at Jun. 30, 2022		40	61,700,000
Balance - Value at Jun. 30, 2022	1,723,974,781	$ 1,118	$ 1,723,973,663
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
Balance - Shares at Dec. 31, 2022		40	59,100,000
Balance - Value at Dec. 31, 2022	1,643,466,731	$ 1,112	$ 1,643,465,619
Purchases of Shares - Value	748,735,276		$ 748,735,276
Purchases of Shares - Shares			26,450,000
Redemption of Shares - Value	(1,900,930,413)		$ (1,900,930,413)
Redemption of Shares - Shares			(67,700,000)
Net Increase (Decrease) due to Share Transactions, value	(1,152,195,137)		$ (1,152,195,137)
Net Increase (Decrease) due to Share Transactions, shares			(41,250,000)
Net Income (Loss)
Net Investment Income (Loss)	27,381,027	53	$ 27,380,974
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	(1,643,856)	(3)	(1,643,853)
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	13,299,554	26	13,299,528
Net Income (Loss)	39,036,725	76	39,036,649
Net Change in Shareholders' Equity, value	(1,113,158,412)	76	$ (1,113,158,488)
Net Change in Shareholders' Equity, shares			(41,250,000)
Balance - Value at Sep. 30, 2023	530,308,319	$ 1,188	$ 530,307,131
Balance - Shares at Sep. 30, 2023		40	17,850,000
Balance - Shares at Jun. 30, 2023		40	22,400,000
Balance - Value at Jun. 30, 2023	635,954,805	$ 1,136	$ 635,953,669
Purchases of Shares - Value	220,877,348		$ 220,877,348
Purchases of Shares - Shares			7,650,000
Redemption of Shares - Value	(348,348,824)		$ (348,348,824)
Redemption of Shares - Shares			(12,200,000)
Net Increase (Decrease) due to Share Transactions, value	(127,471,476)		$ (127,471,476)
Net Increase (Decrease) due to Share Transactions, shares			(4,550,000)
Net Income (Loss)
Net Investment Income (Loss)	6,228,619	73	$ 6,228,546
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	11,696,773	(56)	11,696,829
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Currency Futures Contracts	3,899,598	35	3,899,563
Net Income (Loss)	21,824,990	52	21,824,938
Net Change in Shareholders' Equity, value	(105,646,486)	52	$ (105,646,538)
Net Change in Shareholders' Equity, shares			(4,550,000)
Balance - Value at Sep. 30, 2023	$ 530,308,319	$ 1,188	$ 530,307,131
Balance - Shares at Sep. 30, 2023		40	17,850,000