Variable Interest Entities (Estimated Maximum Exposure To Loss) (Details) - Variable Interest Entity, Not Primary Beneficiary - USD ($) $ in Thousands	Aug. 31, 2023	Nov. 30, 2022
Variable Interest Entity [Line Items]
Investments in Unconsolidated VIEs	$ 1,252,562	$ 1,393,622
Lennar’s Maximum Exposure to Loss	1,356,470	1,551,856
Homebuilding
Variable Interest Entity [Line Items]
Investments in Unconsolidated VIEs	663,528	586,935
Lennar’s Maximum Exposure to Loss	749,232	718,719
Homebuilding \| Upward America Venture \| Commitment to fund capital
Variable Interest Entity [Line Items]
Obligations related to VIEs	70,300	77,300
Homebuilding \| Upward America Venture \| Commitment for short-term loan and management fee receivable
Variable Interest Entity [Line Items]
Obligations related to VIEs		52,700
Homebuilding \| Upward America Venture \| Commitment for recourse debt
Variable Interest Entity [Line Items]
Obligations related to VIEs	10,500
Lennar Multifamily [Member]
Variable Interest Entity [Line Items]
Investments in Unconsolidated VIEs	392,900	607,484
Lennar’s Maximum Exposure to Loss	411,104	633,934
Lennar Multifamily [Member] \| Equity Commitments
Variable Interest Entity [Line Items]
Obligations related to VIEs	12,800	19,300
Lennar Financial Services
Variable Interest Entity [Line Items]
Investments in Unconsolidated VIEs	140,967	143,251
Lennar’s Maximum Exposure to Loss	140,967	143,251
Lennar Other
Variable Interest Entity [Line Items]
Investments in Unconsolidated VIEs	55,167	55,952
Lennar’s Maximum Exposure to Loss	$ 55,167	$ 55,952

Amount of net assets (liabilities).

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Difference between the carrying amount of assets and liabilities in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the variable interest entity (VIE) and the reporting entity's maximum exposure to loss as a result of its involvement with the VIE, where the reporting entity is not the VIE's primary beneficiary.

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The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

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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.

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