Investments In Unconsolidated Entities (Narrative) (Details) $ in Thousands		12 Months Ended
		Nov. 30, 2023 USD ($) property	Nov. 30, 2022 USD ($)
Upward America Venture
Schedule of Equity Method Investments [Line Items]
Equity Method Investment , Total Equity Commitments		$ 125,000
Number of Homes Delivered | property		558
Investments in unconsolidated entities		$ 14,800	$ 37,700
Nonconsolidated Investees, Other
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities		2,000,000	2,100,000
Homebuilding
Schedule of Equity Method Investments [Line Items]
Debt		1,400,000
Maximum recourse exposure		42,100	9,100
Unconsolidated entities non-recourse debt with completion guarantees		316,500	333,600
Investments in unconsolidated entities	[1]	1,143,909	1,173,164
Homebuilding | FivePoint Unconsolidated Entity
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities		422,200	382,900
Multifamily
Schedule of Equity Method Investments [Line Items]
Unconsolidated entities non-recourse debt with completion guarantees		1,400,000	1,000,000
Multifamily | Lennar Multifamily Fund
Schedule of Equity Method Investments [Line Items]
Equity Method Investment , Total Equity Commitments		1,000,000
Investments in unconsolidated entities		$ 21,900
Fund Investment, Ownership Percentage		4.00%
Lennar Other | Rialto Funds and Investment Vehicles
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities		$ 148,700	185,100
Lennar Other | Strategic Technology Investments
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities		127,500	$ 131,500
Upward America Venture
Schedule of Equity Method Investments [Line Items]
Equity Method Investment , Total Equity Commitments		$ 1,600,000

[1] Under certain provisions of Accounting Standards Codification ("ASC") Topic 810, Consolidations, ("ASC 810") the Company is required to separately disclose on its consolidated balance sheets the assets of consolidated variable interest entities ("VIEs") that are owned by the consolidated VIEs and liabilities of consolidated VIEs as to which there is no recourse against the Company. As of November 30, 2023, total assets include $1.9 billion related to consolidated VIEs of which $22.8 million is included in Homebuilding cash and cash equivalents, $1.8 million in Homebuilding receivables, net, $18.3 million in Homebuilding finished homes and construction in progress, $628.0 million in Homebuilding land and land under development, $55.0 million in Homebuilding deposits and pre-acquisition costs on real estate, $1.2 billion in Homebuilding consolidated inventory not owned, $0.3 million in Homebuilding investments in unconsolidated entities, $23.0 million in Homebuilding other assets and $32.6 million in Multifamily assets. As of November 30, 2022, total assets include $1.4 billion related to consolidated VIEs of which $56.9 million is included in Homebuilding cash and cash equivalents, $0.3 million in Homebuilding receivables, net, $29.4 million in Homebuilding finished homes and construction in progress, $687.8 million in Homebuilding land and land under development, $48.7 million in Homebuilding deposits and pre-acquisition costs on real estate, $533.8 million in Homebuilding consolidated inventory not owned, $1.0 million in Homebuilding investments in unconsolidated entities, $23.0 million in Homebuilding other assets, $33.2 million in Multifamily assets and $9.0 million in Lennar Other assets.