Statements of Changes in Net Assets - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Net Assets, Beginning of Year	$ 12,249,234,223	$ 14,791,792,720	$ 6,540,758,565
Operations:
Net investment loss	(56,435,296)	(71,208,965)	(50,643,408)
Net realized gain (loss), fair value	(177,029,224)	1,362,285,165	929,327,856
Net change in unrealized appreciation/depreciation	215,447,290	(3,401,406,431)	4,075,854,334
Net increase (decrease) in net assets resulting from operations	(18,017,230)	(2,110,330,231)	4,954,538,782
Capital Share Transactions:
Contributions for Shares issued	3,608,993,778	6,742,609,430	7,299,222,832
Distributions for Shares redeemed	(4,680,125,800)	(7,174,837,696)	(4,002,727,459)
Net increase (decrease) in net assets from capital share transactions	(1,071,132,022)	(432,228,266)	3,296,495,373
Increase (decrease) in net assets	(1,089,149,252)	(2,542,558,497)	8,251,034,155
Net Assets, End of Year	$ 11,160,084,971	$ 12,249,234,223	$ 14,791,792,720
Shares issued and redeemed
Shares issued (in shares)	175,900,000	275,950,000	398,700,000
Shares redeemed (in shares)	(243,150,000)	(303,100,000)	(185,850,000)
Net increase (decrease) in Shares issued and outstanding (in shares)	(67,250,000)	(27,150,000)	212,850,000