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Financial Instruments and Fair Value Disclosures - (Mortgage Servicing Rights Unobservable Inputs) (Details) - Lennar Financial Services - Level 3 | Feb. 28, 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 | 0.14 | 0.12

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