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v3.24.3

Additional Valuation Information - Summary of the Tiered Valuation Input Levels (Detail) - USD ($) | Sep. 30, 2024 | Dec. 31, 2023
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
United States Treasury Obligations | $ 694,582,126 | $ 784,350,648
Exchange-Traded Fund | 215,493,570 | 215,381,398
Money Market Mutual Fund | 502,119,732 | 692,738,727
Total Investments in Securities | 1,412,195,428 | 1,692,470,773
Commodity Futures Contracts, Appreciation | 57,857,809 | 13,652,359
Commodity Futures Contracts, Depreciation | (68,219,261) | (44,215,202)
Commodity Futures Contracts | (10,361,452) | (30,562,843)
Total Investments | 1,401,833,976 | 1,661,907,930
Level 1 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Exchange-Traded Fund | 215,493,570 | 215,381,398
Money Market Mutual Fund | 502,119,732 | 692,738,727
Total Investments in Securities | 717,613,302 | 908,120,125
Commodity Futures Contracts, Appreciation | 57,857,809 | 13,652,359
Commodity Futures Contracts, Depreciation | (68,219,261) | (44,215,202)
Commodity Futures Contracts | (10,361,452) | (30,562,843)
Total Investments | 707,251,850 | 877,557,282
Level 2 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
United States Treasury Obligations | 694,582,126 | 784,350,648
Total Investments in Securities | 694,582,126 | 784,350,648
Total Investments | $ 694,582,126 | $ 784,350,648

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