Statements of Financial Condition (Unaudited) (Parenthetical) - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Investments in Securities, cost	$ 2,215,457,626	$ 2,697,401,369
US Treasury Bill Securities [Member]
Investments in Securities, cost	1,071,335,074	1,271,951,210
Affiliated Investments [Member]
Affiliated Investments, at Cost	$ 1,144,122,552	$ 1,425,450,159