Variable Interest Entities (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
		May 31, 2026	May 31, 2026	Nov. 30, 2025
Variable Interest Entity [Line Items]
Total liabilities	[1]	$ 11,935,729	$ 11,935,729	$ 12,289,828
Assets	[2]	33,701,455	33,701,455	34,430,437
Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations, Spinoff | Millrose
Variable Interest Entity [Line Items]
Disposal Group, Including Discontinued Operation, Real Estate Option Contracts		1,200,000	1,200,000
Homebuilding
Variable Interest Entity [Line Items]
Total liabilities	[1]	9,615,700	9,615,700	10,065,422
Consolidated inventory not owned	[2]	1,488,684	1,488,684	1,696,401
Deposits and pre-acquisition costs on real estate		7,061,935	7,061,935	6,383,633
Liabilities related to consolidated inventory not owned	[1]	1,312,689	1,312,689	1,476,376
Assets	[2]	28,976,180	28,976,180	29,253,256
Land Bank | Homebuilding
Variable Interest Entity [Line Items]
Consolidated inventory not owned		379,200	379,200
Deposits and pre-acquisition costs on real estate		2,600,000	2,600,000
Liabilities related to consolidated inventory not owned		295,400	295,400
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Consolidated inventory not owned		958,400	958,400
Consolidated inventory not owned, not recorded		530,300	530,300
Decrease in liabilities related to inventory not owned			163,700
Increase (Decrease) in Consolidated Inventory, Not Owned, Recorded		207,700
Land Under Purchase Options Due to Maturing Contracts, Recorded		255,400	255,400
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Total liabilities		920,200	920,200	962,400
Assets		1,400,000	1,400,000	1,500,000
Variable Interest Entity, Primary Beneficiary | Homebuilding
Variable Interest Entity [Line Items]
Consolidated inventory not owned		958,400	958,400	984,400
Liabilities related to consolidated inventory not owned		$ 907,700	$ 907,700	$ 930,100

[1] As of May 31, 2026, total liabilities include $920.2 million related to consolidated VIEs as to which there was no recourse against the Company, of which $9.3 million is included in Homebuilding accounts payable, $907.7 million in Homebuilding liabilities related to consolidated inventory not owned, $2.5 million in Homebuilding other liabilities, and $0.7 million in Multifamily liabilities. As of November 30, 2025, total liabilities include $962.4 million related to consolidated VIEs as to which there was no recourse against the Company, of which $23.8 million is included in Homebuilding accounts payable, $930.1 million in Homebuilding liabilities related to consolidated inventory not owned, $6.0 million in Homebuilding senior notes and other debts payable, net, $1.5 million in Homebuilding other liabilities, and $1.0 million in Multifamily liabilities.

[2] 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 May 31, 2026, total assets include $1.4 billion related to consolidated VIEs of which $45.6 million is included in Homebuilding cash and cash equivalents, $31.5 million in Homebuilding finished homes and construction in progress, $223.3 million in Homebuilding land and land under development, $958.4 million in Homebuilding consolidated inventory not owned, $102.5 million in Homebuilding deposits and pre-acquisition costs on real estate, $0.3 million in Homebuilding investments in unconsolidated entities and $24.2 million in Multifamily assets. As of November 30, 2025, total assets include $1.5 billion related to consolidated VIEs of which $61.1 million is included in Homebuilding cash and cash equivalents, $2.0 million in Homebuilding receivables, net, $45.6 million in Homebuilding finished homes and construction in progress, $300.3 million in Homebuilding land and land under development, $984.4 million in Homebuilding consolidated inventory not owned, $88.3 million in Homebuilding deposits and pre-acquisition costs on real estate, $0.3 million in Homebuilding investments in unconsolidated entities, $8.9 million in Homebuilding other assets and $25.0 million in Multifamily assets.