Variable Interest Entities (Estimated Maximum Exposure To Loss) (Details) - USD ($) $ in Thousands	Aug. 31, 2026	Nov. 30, 2025
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Investments in Unconsolidated VIEs	$ 1,198,745	$ 1,232,661
Lennar’s Maximum Exposure to Loss	1,213,845	1,271,590
Homebuilding
Variable Interest Entity [Line Items]
Lennar's carrying value of investments	1,470,473	1,545,370
Homebuilding \| Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Investments in Unconsolidated VIEs	766,073	824,241
Lennar’s Maximum Exposure to Loss	780,572	861,679
Homebuilding \| Upward America Venture \| Variable Interest Entity, Not Primary Beneficiary \| Commitment for recourse debt
Variable Interest Entity [Line Items]
Obligations related to VIEs	9,100	30,100
Multifamily \| Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Investments in Unconsolidated VIEs	206,446	167,873
Lennar’s Maximum Exposure to Loss	207,047	169,364
Lennar Financial Services \| Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Investments in Unconsolidated VIEs	125,051	135,396
Lennar’s Maximum Exposure to Loss	125,051	135,396
Lennar Other \| Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Investments in Unconsolidated VIEs	101,175	105,151
Lennar’s Maximum Exposure to Loss	$ 101,175	$ 105,151

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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