Statements of Changes in Net Assets - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Net Assets, Beginning of Year	$ 26,424,910,984	$ 26,154,892,134	$ 28,723,023,637
Operations:
Net investment loss	(73,384,206)	(67,766,849)	(71,451,301)
Net realized gain	1,154,191,370	935,795,342	583,770,788
Net change in unrealized appreciation/depreciation	5,471,556,691	2,383,885,667	(1,051,283,081)
Net increase (decrease) in net assets resulting from operations	6,552,363,855	3,251,914,160	(538,963,594)
Capital Share Transactions:
Contributions for Shares issued	3,613,272,575	1,988,659,596	2,989,014,129
Distributions for Shares redeemed	(3,635,074,817)	(4,970,554,906)	(5,018,182,038)
Net decrease in net assets from capital share transactions	(21,802,242)	(2,981,895,310)	(2,029,167,909)
Increase (decrease) in net assets	6,530,561,613	270,018,850	(2,568,131,503)
Net Assets, End of Year	$ 32,955,472,597	$ 26,424,910,984	$ 26,154,892,134
Shares issued and redeemed
Shares issued (in shares)	75,250,000	53,400,000	83,500,000	[1]
Shares redeemed (in shares)	(83,650,000)	(137,050,000)	(152,550,000)	[1]
Net decrease in Shares issued and outstanding (in shares)	(8,400,000)	(83,650,000)	(69,050,000)

[1] Share transactions reflect a one-for-two reverse stock split effective at market open on May 24, 2021.