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Condensed Schedule of Investments (Unaudited) (Parenthetical)
3 Months Ended
Mar. 31, 2022
USD ($)
Investment, Period of Yield 7 days
Open Futures Contracts, Long  
Collateral amount $ 868,889,401
Open OTC Commodity Swap Contracts  
Collateral amount $ 20,120,000
Goldman Sachs Financial Square Government Fund - Institutional Shares, 0.24%# | United States Money Market Funds | Cash Equivalents  
Interest rate 0.24%
Morgan Stanley Institutional Liquidity Funds - Government Portfolio - Institutional Shares, 0.23%# | United States Money Market Funds | Cash Equivalents  
Interest rate 0.23%
RBC U.S. Government Money Market Fund - Institutional Share Class, 0.03% | United States Money Market Funds | Cash Equivalents  
Interest rate 0.19%