Statements of Financial Condition (Parenthetical) - Millburn Multi Markets Trading L P [Member] - USD ($)	Jun. 30, 2026	Dec. 31, 2025
Investments in U.S Treasury notes, amortized cost	$ 63,716,093	$ 51,887,657
Cash denominated in foreign currencies, cost	885,736	913,752
INVESTMENTS IN U.S. TREASURY NOTES, amortized cost	226,676,038	216,954,904
Cash denominated in foreign currencies, cost	$ 533,405	$ 10,889

Amortized cost of debt obligations issued by the US government including short-term Treasury bills, medium-term Treasury notes, and long-term Treasury bonds, as well as debt issued by agencies. Includes amounts held in trading accounts and pledged to counterparties.

No definition available.

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Namespace Prefix:	cik910_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant