Investments in Unconsolidated Entities (Narrative) (Details) $ in Thousands		3 Months Ended
		Feb. 28, 2025 USD ($) project	Nov. 30, 2024 USD ($) 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		16,700	$ 20,800
Homebuilding
Schedule of Equity Method Investments [Line Items]
Non-recourse debt with completion guarantees		421,800	287,000
Lennar's carrying value of investments	[1]	2,645,734	1,344,836
Multifamily
Schedule of Equity Method Investments [Line Items]
Non-recourse debt with completion guarantees		665,900	$ 907,800
Multifamily | Lennar Multifamily Fund
Schedule of Equity Method Investments [Line Items]
Total equity commitments		$ 1,000,000
Fund ownership percentage		4.00%
Lennar's carrying value of investments		$ 27,400
Multifamily | LMV I
Schedule of Equity Method Investments [Line Items]
Total equity commitments		2,204,016
Lennar's carrying value of investments		$ 114,067
Number of Projects | project			38
Number Of Projects Sold | project		2
Lennar Other | Rialto Funds and Investment Vehicles
Schedule of Equity Method Investments [Line Items]
Lennar's carrying value of investments		$ 136,600	$ 140,100
Lennar Other | Strategic Technology Investments
Schedule of Equity Method Investments [Line Items]
Lennar's carrying value of investments		$ 238,800	$ 239,300

[1] Under certain provisions of Accounting Standards Codification (“ASC”) Topic 810, Consolidations (“ASC 810”), the Company is required to separately disclose on its condensed consolidated balance sheets the assets owned by consolidated variable interest entities (“VIEs”) and liabilities of consolidated VIEs as to which neither Lennar Corporation, nor any of its subsidiaries, has any obligations. As of February 28, 2025, total assets include $3.0 billion related to consolidated VIEs of which $72.3 million is included in Homebuilding cash and cash equivalents, $4.4 million in Homebuilding receivables, net, $5.6 million in Homebuilding finished homes and construction in progress, $342.4 million in Homebuilding land and land under development, $2.5 billion in Homebuilding consolidated inventory not owned, $67.7 million in Homebuilding deposits and pre-acquisition costs on real estate, $0.3 million in Homebuilding investments in unconsolidated entities, $11.7 million in Homebuilding other assets and $35.5 million in Multifamily assets. As of November 30, 2024, total assets include $3.7 billion related to consolidated VIEs of which $67.0 million is included in Homebuilding cash and cash equivalents, $6.0 million in Homebuilding receivables, net, $9.7 million in Homebuilding finished homes and construction in progress, $602.9 million in Homebuilding land and land under development, $2.8 billion in Homebuilding consolidated inventory not owned, $71.8 million in Homebuilding deposits and pre-acquisition costs on real estate, $0.3 million in Homebuilding investments in unconsolidated entities, $42.3 million in Homebuilding other assets and $33.9 million in Multifamily assets.