Segment Reporting	9 Months Ended
Segment Reporting	Sep. 30, 2025
Man-AHL Diversified I L.P [Member]
Segment Reporting Information [Line Items]
Segment Reporting	6. SEGMENT REPORTING The Partnership operates through a single operating and reporting segment with an investment objective to generate both current income and capital appreciation through investments in securities and open contracts/agreements; the Partnership realizes its strategy through investments in the Trading Company. The chief operating decision maker (“CODM”) is comprised of the Partnership’s chief executive officer, co-presidents and chief financial officer and assesses the performance and makes operating decisions of the Partnership primarily based on the Partnership’s net investment income/(loss) ("NII") and net increase (decrease) in net assets resulting from operations (“net income/(loss)”). In addition to numerous other factors and metrics, the CODM utilizes NII and net income/(loss) as key metrics in determining the amount to be distributed to the Partnership’s shareholders. As the Partnership’s operations comprise of a single reporting segment, the segment assets are reflected on the accompanying Statements of Financial Condition as “total assets” and the significant segment expenses are listed on the accompanying Statements of Operations.
Man-AHL Diversified Trading Company L.P. [Member]
Segment Reporting Information [Line Items]
Segment Reporting	8. SEGMENT REPORTING The Trading Company operates through a single operating and reporting segment with an investment objective to generate both current income and capital appreciation through investments in securities and open contracts/agreements. The chief operating decision maker (“CODM”) is comprised of the Trading Company’s chief executive officer, co-presidents and chief financial officer and assesses the performance and makes operating decisions of the Trading Company primarily based on the Trading Company’s net investment income/(loss) ("NII") and net increase (decrease) in net assets resulting from operations (“net income/(loss)”). In addition to numerous other factors and metrics, the CODM utilizes NII and net income/(loss) as key metrics in determining the amount to be distributed to the Trading Company’s shareholders. As the Trading Company’s operations comprise of a single reporting segment, the segment assets are reflected on the accompanying Statements of Financial Condition as “total assets” and the significant segment expenses are listed on the accompanying Statements of Operations.

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

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+ Details

6. SEGMENT REPORTING

8. SEGMENT REPORTING

MAN AHL DIVERSIFIED I LP 10-Q