Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2026	May 31, 2025	May 31, 2026	May 31, 2025
Revenues [Abstract]
Revenues	$ 7,939,872	$ 8,377,502	$ 14,559,348	$ 16,009,047
Cost and expenses:
Corporate general and administrative	136,149	155,853	293,787	303,231
Charitable foundation contribution	20,519	20,131	37,382	37,965
Total 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)
Earnings before income taxes	413,187	641,881	715,640	1,340,119
Provision for income taxes	(105,058)	(160,061)	(174,150)	(329,586)
Net earnings (including net earnings attributable to noncontrolling interests)	308,129	481,820	541,490	1,010,533
Less: Net earnings attributable to noncontrolling interests	3,357	4,371	7,335	13,558
Net earnings attributable to Lennar	304,772	477,449	534,155	996,975
Other comprehensive income (loss), net of tax:
Net unrealized gains (losses) on securities available-for-sale	70	(1,332)	(335)	(1,510)
Total other comprehensive income (loss), net of tax	70	(1,332)	(335)	(1,510)
Total comprehensive income attributable to Lennar	304,842	476,117	533,820	995,465
Operating Segments
Revenues [Abstract]
Revenues	7,939,872	8,377,502	14,559,348	16,009,047
Homebuilding
Revenues [Abstract]
Revenues	7,616,314	7,843,862	13,914,877	15,127,732
Cost and expenses:
Total 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
Earnings before income taxes	489,371	728,234	862,399	1,537,507
Homebuilding | Operating Segments
Revenues [Abstract]
Revenues	7,616,314	7,843,862	13,914,877	15,127,732
Cost and expenses:
Cost and expenses	7,132,558	7,147,552	13,102,978	13,687,512
Lennar Financial Services
Revenues [Abstract]
Revenues	236,939	298,098	452,494	575,175
Cost and expenses:
Total costs and expenses	135,836	140,818	260,078	274,412
Earnings before income taxes	101,103	157,280	192,416	300,763
Lennar Financial Services | Operating Segments
Revenues [Abstract]
Revenues	236,939	298,098	452,494	575,175
Cost and expenses:
Cost and expenses	135,836	140,818	260,078	274,412
Multifamily
Revenues [Abstract]
Revenues	63,564	230,305	146,063	293,501
Cost and expenses:
Total 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
Earnings before income taxes	18,325	(14,754)	36,184	(14,777)
Multifamily | Operating Segments
Revenues [Abstract]
Revenues	63,564	230,305	146,063	293,501
Cost and expenses:
Cost and expenses	72,788	254,677	163,216	328,053
Lennar Other
Revenues [Abstract]
Revenues	23,055	5,237	45,914	12,639
Cost and expenses:
Total 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)
Earnings before income taxes	(38,944)	(52,895)	(44,190)	(142,178)
Lennar Other | Operating Segments
Revenues [Abstract]
Revenues	23,055	5,237	45,914	12,639
Cost and expenses:
Cost and expenses	43,726	30,025	87,410	53,589
Lennar Other losses from technology investments	$ (23,252)	$ (29,440)	$ (8,414)	$ (91,943)