Operating And Reporting Segments (Income Statement Detail) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2026	May 31, 2025	May 31, 2026	May 31, 2025
Segment Reporting Information [Line Items]
Revenues	$ 7,939,872	$ 8,377,502	$ 14,559,348	$ 16,009,047
Ancillary costs and expenses	252,350	425,520	510,704	656,054
Selling, general and administrative	698,395	688,847	1,315,890	1,304,586
Corporate general and administrative	136,149	155,853	293,787	303,231
Charitable foundation contribution	20,519	20,131	37,382	37,965
Costs and Expenses	7,541,576	7,749,056	13,944,851	14,684,762
Equity in earnings from unconsolidated entities	34,087	12,116	97,355	45,351
Other income, net and other gains, net	4,056	30,759	12,202	62,426
Lennar Other losses from technology investments	(23,252)	(29,440)	(8,414)	(91,943)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	413,187	641,881	715,640	1,340,119
Home
Segment Reporting Information [Line Items]
Revenues	7,595,039	7,788,275	13,867,961	15,028,821
Cost of sales	6,412,619	6,402,532	11,734,233	12,290,676
Land
Segment Reporting Information [Line Items]
Revenues	12,401	43,195	27,559	78,521
Cost of sales	21,544	56,173	52,855	92,250
Other revenues
Segment Reporting Information [Line Items]
Revenues	332,432	546,032	663,828	901,705
Homebuilding
Segment Reporting Information [Line Items]
Revenues	7,616,314	7,843,862	13,914,877	15,127,732
Selling, general and administrative	698,395	688,847	1,315,890	1,304,586
Costs and Expenses	7,132,558	7,147,552	13,102,978	13,687,512
Equity in earnings from unconsolidated entities	2,670	17,716	40,851	52,720
Other income, net and other gains, net	2,945	14,208	9,649	44,567
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	489,371	728,234	862,399	1,537,507
Homebuilding | Home
Segment Reporting Information [Line Items]
Revenues	7,595,039	7,788,275	13,867,961	15,028,821
Cost of sales	6,412,619	6,402,532	11,734,233	12,290,676
Homebuilding | Land
Segment Reporting Information [Line Items]
Revenues	12,401	43,195	27,559	78,521
Cost of sales	21,544	56,173	52,855	92,250
Homebuilding | Other revenues
Segment Reporting Information [Line Items]
Revenues	8,874	12,392	19,357	20,390
East
Segment Reporting Information [Line Items]
Revenues	1,714,476	1,733,505	3,239,497	3,414,622
Selling, general and administrative	169,055	167,318	331,829	329,504
Costs and Expenses	1,557,010	1,572,315	2,973,938	3,061,032
Equity in earnings from unconsolidated entities	4,978	8,295	15,661	14,933
Other income, net and other gains, net	1,942	7,161	(1,879)	32,477
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	164,386	176,646	279,341	401,000
East | Home
Segment Reporting Information [Line Items]
Revenues	1,709,254	1,715,407	3,221,332	3,370,667
Cost of sales	1,382,260	1,390,760	2,621,112	2,693,780
East | Land
Segment Reporting Information [Line Items]
Revenues	1,517	14,384	9,591	37,506
Cost of sales	5,695	14,237	20,997	37,748
East | Other revenues
Segment Reporting Information [Line Items]
Revenues	3,705	3,714	8,574	6,449
Central
Segment Reporting Information [Line Items]
Revenues	1,663,670	1,745,267	3,010,729	3,277,913
Selling, general and administrative	178,482	165,828	326,687	318,152
Costs and Expenses	1,587,756	1,584,168	2,892,412	2,985,142
Equity in earnings from unconsolidated entities	(18)	(1)	41	(4)
Other income, net and other gains, net	2,276	1,099	4,159	3,150
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	78,172	162,197	122,517	295,917
Central | Home
Segment Reporting Information [Line Items]
Revenues	1,662,594	1,743,304	3,007,627	3,273,496
Cost of sales	1,407,144	1,417,197	2,559,859	2,662,807
Central | Land
Segment Reporting Information [Line Items]
Revenues	0	0	873	1,600
Cost of sales	2,130	1,143	5,866	4,183
Central | Other revenues
Segment Reporting Information [Line Items]
Revenues	1,076	1,963	2,229	2,817
South Central
Segment Reporting Information [Line Items]
Revenues	1,466,577	1,523,397	2,631,440	2,690,225
Selling, general and administrative	135,089	125,911	242,723	220,733
Costs and Expenses	1,349,518	1,385,799	2,419,888	2,430,090
Equity in earnings from unconsolidated entities	(10)	(6)	(25)	(8)
Other income, net and other gains, net	(2,712)	(903)	(4,381)	(1,355)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	114,337	136,689	207,146	258,772
South Central | Home
Segment Reporting Information [Line Items]
Revenues	1,463,140	1,505,750	2,623,320	2,666,273
Cost of sales	1,210,579	1,241,884	2,166,947	2,188,413
South Central | Land
Segment Reporting Information [Line Items]
Revenues	2,877	16,589	6,900	22,193
Cost of sales	3,850	18,004	10,218	20,944
South Central | Other revenues
Segment Reporting Information [Line Items]
Revenues	560	1,058	1,220	1,759
West
Segment Reporting Information [Line Items]
Revenues	2,767,321	2,833,297	5,022,458	5,728,230
Selling, general and administrative	210,422	217,155	401,592	419,536
Costs and Expenses	2,629,565	2,586,906	4,794,162	5,182,552
Equity in earnings from unconsolidated entities	676	1,038	1,588	1,010
Other income, net and other gains, net	1,603	(2,005)	(429)	(2,483)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	140,035	245,424	229,455	544,205
West | Home
Segment Reporting Information [Line Items]
Revenues	2,758,154	2,818,980	5,009,901	5,707,665
Cost of sales	2,409,274	2,346,962	4,376,796	4,733,641
West | Land
Segment Reporting Information [Line Items]
Revenues	8,007	12,222	10,195	17,222
Cost of sales	9,869	22,789	15,774	29,375
West | Other revenues
Segment Reporting Information [Line Items]
Revenues	1,160	2,095	2,362	3,343
Other
Segment Reporting Information [Line Items]
Revenues	4,270	8,396	10,753	16,742
Selling, general and administrative	5,347	12,635	13,059	16,661
Costs and Expenses	8,709	18,364	22,578	28,696
Equity in earnings from unconsolidated entities	(2,956)	8,390	23,586	36,789
Other income, net and other gains, net	(164)	8,856	12,179	12,778
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(7,559)	7,278	23,940	37,613
Other | Home
Segment Reporting Information [Line Items]
Revenues	1,897	4,834	5,781	10,720
Cost of sales	3,362	5,729	9,519	12,035
Other | Land
Segment Reporting Information [Line Items]
Revenues	0	0	0	0
Cost of sales				0
Other | Other revenues
Segment Reporting Information [Line Items]
Revenues	2,373	3,562	4,972	6,022
Lennar Financial Services
Segment Reporting Information [Line Items]
Revenues	236,939	298,098	452,494	575,175
Ancillary costs and expenses	135,836	140,818	260,078	274,412
Costs and Expenses	135,836	140,818	260,078	274,412
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	101,103	157,280	192,416	300,763
Lennar Financial Services | Other revenues
Segment Reporting Information [Line Items]
Revenues	236,939	298,098	452,494	575,175
Multifamily
Segment Reporting Information [Line Items]
Revenues	63,564	230,305	146,063	293,501
Ancillary costs and expenses	72,788	254,677	163,216	328,053
Costs and Expenses	72,788	254,677	163,216	328,053
Equity in earnings from unconsolidated entities	27,233	(5,269)	52,714	(4,542)
Other income, net and other gains, net	316	14,887	623	24,317
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	18,325	(14,754)	36,184	(14,777)
Multifamily | Other revenues
Segment Reporting Information [Line Items]
Revenues	63,564	230,305	146,063	293,501
Lennar Other
Segment Reporting Information [Line Items]
Revenues	23,055	5,237	45,914	12,639
Ancillary costs and expenses	43,726	30,025	87,410	53,589
Costs and Expenses	43,726	30,025	87,410	53,589
Equity in earnings from unconsolidated entities	4,184	(331)	3,790	(2,827)
Other income, net and other gains, net	795	1,664	1,930	(6,458)
Lennar Other losses from technology investments	(23,252)	(29,440)	(8,414)	(91,943)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(38,944)	(52,895)	(44,190)	(142,178)
Lennar Other | Other revenues
Segment Reporting Information [Line Items]
Revenues	23,055	5,237	45,914	12,639
Operating Segments
Segment Reporting Information [Line Items]
Revenues	7,939,872	8,377,502	14,559,348	16,009,047
Operating Segments | Homebuilding
Segment Reporting Information [Line Items]
Revenues	7,616,314	7,843,862	13,914,877	15,127,732
Operating Segments | Lennar Financial Services
Segment Reporting Information [Line Items]
Revenues	236,939	298,098	452,494	575,175
Operating Segments | Multifamily
Segment Reporting Information [Line Items]
Revenues	63,564	230,305	146,063	293,501
Operating Segments | Lennar Other
Segment Reporting Information [Line Items]
Revenues	23,055	5,237	45,914	12,639
Lennar Other losses from technology investments	$ (23,252)	$ (29,440)	$ (8,414)	$ (91,943)