v3.26.3
Financial Instruments and Fair Value Disclosures - (Carrying Amounts And Estimated Fair Value Of Financial Instruments) (Details) - USD ($)
$ in Thousands
Aug. 31, 2026
Nov. 30, 2025
Lennar Financial Services | Level 3 | Carrying Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Loans held for sale $ 13,693 $ 15,547
Investments held-to-maturity 124,407 132,868
Lennar Financial Services | Level 3 | Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Loans held for sale 13,693 15,547
Investments held-to-maturity 121,818 132,032
Lennar Financial Services | Level 2 | Carrying Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Notes and other debts payable 1,584,448 1,790,309
Lennar Financial Services | Level 2 | Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Notes and other debts payable 1,584,841 1,790,789
Homebuilding | Level 2 | Carrying Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Notes and other debts payable 4,297,251 4,084,686
Homebuilding | Level 2 | Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Notes and other debts payable $ 4,310,479 $ 4,122,169