Financial Instruments and Fair Value Disclosures - (Mortgage Servicing Rights Unobservable Inputs) (Details) - Lennar Financial Services - Level 3	May 31, 2025	Nov. 30, 2024
Mortgage prepayment rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable inputs for valuation of mortgage servicing rights	0.08	0.08
Discount rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable inputs for valuation of mortgage servicing rights	0.13	0.13
Delinquency rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable inputs for valuation of mortgage servicing rights	0.11	0.12

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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