Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2025	Aug. 31, 2024	Aug. 31, 2025	Aug. 31, 2024
Revenues [Abstract]
Revenues	$ 8,810,278	$ 9,416,042	$ 24,819,325	$ 25,494,564
Cost and expenses:
Corporate general and administrative	171,397	164,672	474,628	478,975
Charitable foundation contribution	21,584	21,516	59,549	58,004
Total costs and expenses	8,110,664	8,129,984	22,795,426	22,088,702
Equity in earnings from unconsolidated entities	10,822	186,621	56,172	151,767
Other income (expense), net and other gains (losses), net	(18,956)	23,331	43,471	156,875
Earnings before income taxes	790,703	1,535,133	2,130,822	3,726,976
Provision for income taxes	(190,892)	(347,859)	(520,478)	(859,195)
Net earnings (including net earnings attributable to noncontrolling interests)	599,811	1,187,274	1,610,344	2,867,781
Less: Net earnings attributable to noncontrolling interests	8,844	24,600	22,402	31,462
Net earnings attributable to Lennar	590,967	1,162,674	1,587,942	2,836,319
Other comprehensive income (loss), net of tax:
Net unrealized gains (losses) on securities available-for-sale	0	444	(1,510)	2,161
Total other comprehensive income (loss), net of tax	0	444	(1,510)	2,161
Total comprehensive income attributable to Lennar	590,967	1,163,118	1,586,432	2,838,480
Operating Segments
Revenues [Abstract]
Revenues	8,810,278	9,416,042	24,819,325	25,494,564
Homebuilding | Operating Segments
Revenues [Abstract]
Revenues	8,253,675	9,045,692	23,381,407	24,357,742
Cost and expenses:
Cost and expenses	7,497,119	7,613,042	21,184,631	20,697,033
Lennar Financial Services | Operating Segments
Revenues [Abstract]
Revenues	314,195	273,270	889,370	804,713
Cost and expenses:
Cost and expenses	136,323	128,870	410,735	382,005
Multifamily | Operating Segments
Revenues [Abstract]
Revenues	228,465	93,443	521,966	322,620
Cost and expenses:
Cost and expenses	238,791	184,708	566,844	419,580
Lennar Other | Operating Segments
Revenues [Abstract]
Revenues	13,943	3,637	26,582	9,489
Cost and expenses:
Cost and expenses	45,450	17,176	99,039	53,105
Lennar Other realized and unrealized gains from technology investments	$ 99,223	$ 39,123	$ 7,280	$ 12,472