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Derivative Instruments - Summary of Average Monthly Notional Value of Future Contracts Held (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Weighted Average [Member] | Commodity Futures Contract [Member]
Derivative [Line Items]
Average Notional Value	$ 1,569,210,331	$ 2,084,083,410	$ 1,654,291,339	$ 2,202,359,246

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- Definition

Average notional value of derivative.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480237/815-40-50-5

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