Variable Interest Entities (Estimated Maximum Exposure To Loss) (Details) - USD ($) $ in Thousands		Nov. 30, 2023	Nov. 30, 2022
Variable Interest Entity [Line Items]
Assets	[1]	$ 39,234,303	$ 37,984,295
Letters of credit outstanding		1,800,000
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Assets		1,240,627	1,393,622
Lennar's Maximum Exposure to Loss		1,386,646	1,551,856
Variable Interest Entity, Not Primary Beneficiary Including Third Parties
Variable Interest Entity [Line Items]
Non-refundable option deposits and pre-acquisition costs		1,949,219	1,990,946
Variable Interest Entity, Not Primary Beneficiary Including Third Parties | Letters of Credit
Variable Interest Entity [Line Items]
Letters of credit outstanding		198,920	163,942
Homebuilding
Variable Interest Entity [Line Items]
Assets	[1]	33,628,392	32,684,162
Homebuilding | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Assets		659,224	586,935
Lennar's Maximum Exposure to Loss		787,226	718,719
Homebuilding | Upward America Venture | Variable Interest Entity, Not Primary Beneficiary | Commitment To Fund Capital
Variable Interest Entity [Line Items]
Obligations related to VIEs		(69,800)	(77,300)
Homebuilding | Upward America Venture | Variable Interest Entity, Not Primary Beneficiary | Commitment For Short-term Loan And Management Fee Receivable
Variable Interest Entity [Line Items]
Obligations related to VIEs			52,700
Homebuilding | Upward America Venture | Variable Interest Entity, Not Primary Beneficiary | Commitment For Recourse Debt
Variable Interest Entity [Line Items]
Obligations related to VIEs		42,100
Multifamily
Variable Interest Entity [Line Items]
Assets	[1]	1,381,513	1,257,337
Multifamily | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Assets		384,718	607,484
Lennar's Maximum Exposure to Loss		402,735	633,934
Multifamily | Equity Commitments | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Obligations related to VIEs		12,800	19,300
Financial Services
Variable Interest Entity [Line Items]
Assets	[1]	3,566,546	3,254,257
Financial Services | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Assets		140,676	143,251
Lennar's Maximum Exposure to Loss		140,676	143,251
Lennar Other
Variable Interest Entity [Line Items]
Assets	[1]	657,852	788,539
Lennar Other | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Assets		56,009	55,952
Lennar's Maximum Exposure to Loss		$ 56,009	$ 55,952

[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.