Operating and Reporting Segments (Disclosure Of Assets and Liabilities) (Details) - USD ($) $ in Thousands		May 31, 2024	Nov. 30, 2023	May 31, 2023
Segment Reporting Information [Line Items]
Total assets	[1]	$ 38,667,670	$ 39,234,303
Total liabilities	[2]	11,651,917	12,532,337
Equity securities without readily determinable fair values		145,000	121,000
Operating Segments
Segment Reporting Information [Line Items]
Cash and cash equivalents		3,872,016	6,474,497
Restricted cash		49,368	96,441
Receivables, net		1,552,342	1,696,205
Inventory owned and consolidated inventory not owned		20,509,714	18,897,670
Loans held-for-sale		1,721,911	2,086,809
Investments in equity securities		297,948	297,243
Investments available-for-sale		39,669	37,953
Loans held-for-investment, net		54,355	55,463
Investments held-to-maturity		138,425	140,676
Deposits and pre-acquisition costs on real estate		2,784,621	2,034,217
Investments in unconsolidated entities		2,176,371	2,020,005
Goodwill		3,632,058	3,632,058
Other assets		1,838,872	1,765,066
Senior notes and other debt payable, net		3,651,609	4,984,028
Accounts payable, liabilities related to consolidated inventory not owned and other liabilities		8,000,308	7,548,309
Homebuilding
Segment Reporting Information [Line Items]
Cash and cash equivalents	[1]	3,597,493	6,273,724
Restricted cash	[1]	11,572	13,481
Receivables, net	[1]	898,301	887,992
Inventory owned and consolidated inventory not owned	[1]	19,901,500	18,352,735
Deposits and pre-acquisition costs on real estate		2,754,819	2,002,154
Investments in unconsolidated entities	[1]	1,263,905	1,143,909
Goodwill	[1]	3,442,359	3,442,359
Other assets	[1]	1,540,507	1,512,038
Total assets	[1]	33,410,456	33,628,392
Senior notes and other debt payable, net	[2]	2,241,507	2,816,482
Total liabilities	[2]	9,709,516	9,727,994
Homebuilding | Operating Segments
Segment Reporting Information [Line Items]
Cash and cash equivalents		3,597,493	6,273,724	$ 4,004,679
Restricted cash		11,572	13,481	19,000
Receivables, net		898,301	887,992
Inventory owned and consolidated inventory not owned		19,901,500	18,352,735
Loans held-for-sale		0	0
Investments in equity securities		0	0
Investments available-for-sale		0	0
Loans held-for-investment, net		0	0
Investments held-to-maturity		0	0
Deposits and pre-acquisition costs on real estate		2,754,819	2,002,154
Investments in unconsolidated entities		1,263,905	1,143,909
Goodwill		3,442,359	3,442,359
Other assets		1,540,507	1,512,038
Total assets		33,410,456	33,628,392
Senior notes and other debt payable, net		2,241,507	2,816,482
Accounts payable, liabilities related to consolidated inventory not owned and other liabilities		7,468,009	6,911,512
Total liabilities		9,709,516	9,727,994
Lennar Financial Services
Segment Reporting Information [Line Items]
Total assets	[1]	3,043,941	3,566,546
Total liabilities	[2]	1,583,363	2,447,039
Lennar Financial Services | Operating Segments
Segment Reporting Information [Line Items]
Cash and cash equivalents		245,784	159,491	259,738
Restricted cash		37,796	82,960	9,113
Receivables, net		567,748	716,071
Inventory owned and consolidated inventory not owned		0	0
Loans held-for-sale		1,721,911	2,086,809
Investments in equity securities		0	0
Investments available-for-sale		0	0
Loans held-for-investment, net		54,355	55,463
Investments held-to-maturity		138,425	140,676
Deposits and pre-acquisition costs on real estate		0	0
Investments in unconsolidated entities		0	0
Goodwill		189,699	189,699
Other assets		88,223	135,377
Total assets		3,043,941	3,566,546
Senior notes and other debt payable, net		1,410,102	2,163,805
Accounts payable, liabilities related to consolidated inventory not owned and other liabilities		173,261	283,234
Total liabilities		1,583,363	2,447,039
Multifamily
Segment Reporting Information [Line Items]
Total assets	[1]	1,377,243	1,381,513
Total liabilities	[2]	246,776	278,177
Multifamily | Operating Segments
Segment Reporting Information [Line Items]
Cash and cash equivalents		11,555	39,334	18,539
Restricted cash		0	0
Receivables, net		86,293	92,142
Inventory owned and consolidated inventory not owned		608,214	544,935
Loans held-for-sale		0	0
Investments in equity securities		0	0
Investments available-for-sale		0	0
Loans held-for-investment, net		0	0
Investments held-to-maturity		0	0
Deposits and pre-acquisition costs on real estate		29,802	32,063
Investments in unconsolidated entities		561,892	599,852
Goodwill		0	0
Other assets		79,487	73,187
Total assets		1,377,243	1,381,513
Senior notes and other debt payable, net		0	3,741
Accounts payable, liabilities related to consolidated inventory not owned and other liabilities		246,776	274,436
Total liabilities		246,776	278,177
Lennar Other
Segment Reporting Information [Line Items]
Total assets	[1]	836,030	657,852
Total liabilities	[2]	112,262	79,127
Lennar Other | Operating Segments
Segment Reporting Information [Line Items]
Cash and cash equivalents		17,184	1,948	$ 4,775
Restricted cash		0	0
Receivables, net		0	0
Inventory owned and consolidated inventory not owned		0	0
Loans held-for-sale		0	0
Investments in equity securities		297,948	297,243
Investments available-for-sale		39,669	37,953
Loans held-for-investment, net		0	0
Investments held-to-maturity		0	0
Deposits and pre-acquisition costs on real estate		0	0
Investments in unconsolidated entities		350,574	276,244
Goodwill		0	0
Other assets		130,655	44,464
Total assets		836,030	657,852
Senior notes and other debt payable, net		0	0
Accounts payable, liabilities related to consolidated inventory not owned and other liabilities		112,262	79,127
Total liabilities		$ 112,262	$ 79,127

[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 May 31, 2024, total assets include $3.0 billion related to consolidated VIEs of which $73.0 million is included in Homebuilding cash and cash equivalents, $5.9 million in Homebuilding receivables, net, $6.2 million in Homebuilding finished homes and construction in progress, $601.1 million in Homebuilding land and land under development, $75.5 million in Homebuilding deposits and pre-acquisition costs on real estate, $2.2 billion in Homebuilding consolidated inventory not owned, $0.3 million in Homebuilding investments in unconsolidated entities, $22.5 million in Homebuilding other assets and $33.6 million in Multifamily assets. 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.

[2] As of May 31, 2024, total liabilities include $2.1 billion related to consolidated VIEs as to which there was no recourse against the Company, of which $56.1 million is included in Homebuilding accounts payable, $2.0 billion in Homebuilding liabilities related to consolidated inventory not owned, $6.0 million in Homebuilding senior notes and other debt payable, $46.7 million in Homebuilding other liabilities, and $0.9 million in Multifamily liabilities. As of November 30, 2023, total liabilities include $1.2 billion related to consolidated VIEs as to which there was no recourse against the Company, of which $53.7 million is included in Homebuilding accounts payable, $1.1 billion in Homebuilding liabilities related to consolidated inventory not owned, $38.1 million in Homebuilding other liabilities, and $4.1 million in Multifamily liabilities.