Investments in Unconsolidated Entities (Narrative) (Details) $ in Thousands |
Feb. 28, 2026
USD ($)
project
|
Nov. 30, 2025
USD ($)
project
|
Nov. 30, 2024
project
|
||
|---|---|---|---|---|---|
| Upward America Venture | |||||
| Schedule of Equity Method Investments [Line Items] | |||||
| Total equity commitments | $ 1,000,000 | ||||
| Upward America Venture | |||||
| Schedule of Equity Method Investments [Line Items] | |||||
| Total equity commitments | 78,100 | ||||
| Lennar's carrying value of investments | 12,400 | $ 13,800 | |||
| Homebuilding | |||||
| Schedule of Equity Method Investments [Line Items] | |||||
| Non-recourse debt with completion guarantees | 324,000 | 511,900 | |||
| Lennar's carrying value of investments | [1] | 1,479,812 | 1,545,370 | ||
| Multifamily | |||||
| Schedule of Equity Method Investments [Line Items] | |||||
| Non-recourse debt with completion guarantees | 727,600 | $ 798,100 | |||
| Multifamily | Lennar Multifamily Fund | |||||
| Schedule of Equity Method Investments [Line Items] | |||||
| Lennar's carrying value of investments | $ 28,200 | ||||
| Multifamily | Lennar Multifamily Fund | Scenario, Plan | |||||
| Schedule of Equity Method Investments [Line Items] | |||||
| Fund ownership percentage | 10.00% | ||||
| Multifamily | LMV I | |||||
| Schedule of Equity Method Investments [Line Items] | |||||
| Total equity commitments | $ 2,204,016 | ||||
| Lennar's carrying value of investments | $ 71,667 | ||||
| Multifamily | LMV I | Disposal Group, Held-for-Sale, Not Discontinued Operations | |||||
| Schedule of Equity Method Investments [Line Items] | |||||
| Number of Projects | project | 38 | ||||
| Multifamily | LMV I | Disposal Group, Disposed of by Sale, Not Discontinued Operations | |||||
| Schedule of Equity Method Investments [Line Items] | |||||
| Number of Projects | project | 1 | 35 | |||
| Multifamily | TPG Fund | |||||
| Schedule of Equity Method Investments [Line Items] | |||||
| Lennar's carrying value of investments | $ 41,100 | ||||
| Lennar Other | Rialto Funds and Investment Vehicles | |||||
| Schedule of Equity Method Investments [Line Items] | |||||
| Lennar's carrying value of investments | 128,600 | $ 133,000 | |||
| Lennar Other | Strategic Technology Investments | |||||
| Schedule of Equity Method Investments [Line Items] | |||||
| Lennar's carrying value of investments | $ 232,500 | $ 235,000 | |||
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