Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2022	Aug. 31, 2021
Cost and expenses:
Earnings (loss) before income taxes	$ 1,824,274	$ 1,814,354	$ 4,255,843	$ 4,238,253
Provision for income taxes	(351,580)	(405,136)	(951,276)	(975,354)
Net earnings (including net earnings attributable to noncontrolling interests)	1,472,694	1,409,218	3,304,567	3,262,899
Less: Net earnings attributable to noncontrolling interests	5,350	2,330	12,886	23,279
Net earnings attributable to Lennar	1,467,344	1,406,888	3,291,681	3,239,620
Other comprehensive income (loss), net of tax:
Net unrealized gain (loss) on securities available-for-sale	342	131	1,146	(495)
Reclassification adjustments for gain included in earnings, net of tax	0	0	2,285	0
Total other comprehensive income (loss), net of tax	342	131	3,431	(495)
Total comprehensive income attributable to Lennar	1,467,686	1,407,019	3,295,112	3,239,125
Total comprehensive income attributable to noncontrolling interests	$ 5,350	$ 2,330	$ 12,886	$ 23,279
Basic earnings per share (in dollars per share)	$ 5.04	$ 4.52	$ 11.19	$ 10.37
Diluted earnings per share (in dollars per share)	$ 5.03	$ 4.52	$ 11.18	$ 10.36
Operating Segments And Corporate
Cost and expenses:
Total costs and expenses	$ 6,991,712	$ 5,613,948	$ 18,621,391	$ 15,375,057
Earnings (loss) before income taxes	1,824,274	1,814,354	4,255,843	4,238,253
Operating Segments
Revenues [Abstract]
Revenues	8,934,431	6,941,403	23,496,643	18,697,116
Corporate and Unallocated
Cost and expenses:
Corporate general and administrative	115,557	94,942	334,425	296,190
Charitable foundation contribution	17,248	15,199	46,335	42,006
Earnings (loss) before income taxes	(132,805)	(110,141)	(380,760)	(338,196)
Homebuilding | Operating Segments
Revenues [Abstract]
Revenues	8,479,496	6,558,509	22,209,683	17,529,606
Cost and expenses:
Cost and expenses	6,494,737	5,225,497	17,241,788	14,253,299
Equity in earnings (loss) from unconsolidated entities, other income (expense), net, and other gain (loss)	(14,652)	2,391	(10,076)	(3,862)
Homebuilding other income (expense), net	(6,883)	(5,570)	(4,334)	3,043
Earnings (loss) before income taxes	1,963,224	1,329,833	4,953,485	3,275,488
Financial Services | Operating Segments
Revenues [Abstract]
Revenues	202,078	206,973	578,945	669,789
Cost and expenses:
Cost and expenses	138,730	94,890	320,871	290,179
Earnings (loss) before income taxes	63,348	112,083	258,074	379,610
Multifamily | Operating Segments
Revenues [Abstract]
Revenues	243,056	167,921	686,436	476,837
Cost and expenses:
Cost and expenses	215,433	174,410	654,322	474,389
Equity in earnings (loss) from unconsolidated entities, other income (expense), net, and other gain (loss)	20,864	(2,904)	22,468	9,682
Earnings (loss) before income taxes	48,487	(9,393)	54,582	12,130
Lennar Other | Operating Segments
Revenues [Abstract]
Revenues	9,801	8,000	21,579	20,884
Cost and expenses:
Cost and expenses	10,007	9,010	23,650	18,994
Equity in earnings (loss) from unconsolidated entities, other income (expense), net, and other gain (loss)	(31,935)	(689)	(68,493)	216,540
Lennar Other unrealized gains (losses) from technology investments	(85,839)	493,671	(558,974)	690,791
Earnings (loss) before income taxes	$ (117,980)	$ 491,972	$ (629,538)	$ 909,221