Statement of Changes in Partners' Capital - USD ($)	General Partner	Limited Partners	Total
Beginning Balance at Dec. 31, 2016	$ 0	$ 3,101,956,669	$ 3,101,956,669
Addition of partnership shares	0	4,177,335,976	4,177,335,976
Redemption of partnership shares	0	(5,338,733,632)	(5,338,733,632)
Net income (loss)	0	78,972,397	78,972,397
Ending Balance at Dec. 31, 2017	0	2,019,531,410	$ 2,019,531,410
Net asset value, beginning of year at Dec. 31, 2016			$ 11.71
Net asset value, end of year at Dec. 31, 2017			$ 12.08
Addition of partnership shares	0	3,972,118,855	$ 3,972,118,855
Redemption of partnership shares	0	(4,231,913,908)	(4,231,913,908)
Net income (loss)	0	(291,274,645)	(291,274,645)
Ending Balance at Dec. 31, 2018	0	1,468,461,712	$ 1,468,461,712
Net asset value, end of year at Dec. 31, 2018			$ 9.59
Addition of partnership shares	0	3,196,742,422	$ 3,196,742,422
Redemption of partnership shares	0	(3,967,683,580)	(3,967,683,580)
Net income (loss)	0	473,455,704	473,455,704
Ending Balance at Dec. 31, 2019	$ 0	$ 1,170,976,258	$ 1,170,976,258
Net asset value, end of year at Dec. 31, 2019			$ 12.78