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Condensed Statements of Cash Flows (Unaudited) (Parenthetical) - USD ($)
Mar. 31, 2022
Mar. 31, 2021
Components of Cash and Cash Equivalents:    
Cash and cash equivalents $ 2,274,171,075 $ 2,279,197,828
Equity in Trading Accounts:    
Cash and cash equivalents 884,607,578 506,893,695
Total Cash, Cash Equivalents and Equity in Trading Accounts $ 3,158,778,653 $ 2,786,091,523