CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Nov. 30, 2019	Aug. 31, 2019	May 31, 2019	Feb. 28, 2019	Nov. 30, 2018	Aug. 31, 2018	May 31, 2018	Feb. 28, 2018	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2017
Revenues:
Total revenues	$ 6,971,531	$ 5,857,058	$ 5,562,890	$ 3,868,082	$ 6,459,210	$ 5,672,569	$ 5,459,061	$ 2,980,791	$ 22,259,561	$ 20,571,631	$ 12,646,365
Costs and expenses:
Acquisition and integration costs related to CalAtlantic									0	152,980	0
Corporate general and administrative									341,114	343,934	285,889
Total costs and expenses									19,798,380	18,734,360	11,307,370
Equity in earnings (loss) from unconsolidated entities									2,528	(30,518)	49,478
Gain on sale of Rialto investment and asset management platform										296,407
Earnings (loss) before income taxes	888,686	667,083	559,399	319,124	1,036,528	565,918	390,810	269,428	2,434,292	2,262,684	1,189,611
Provision for income taxes									(592,173)	(545,171)	(417,857)
Net earnings (including net earnings (loss) attributable to noncontrolling interests)									1,842,119	1,717,513	771,754
Less: Net earnings (loss) attributable to noncontrolling interests									(6,933)	21,682	(38,726)
Net earnings attributable to Lennar	$ 674,304	$ 513,366	$ 421,472	$ 239,910	$ 796,148	$ 453,211	$ 310,257	$ 136,215	1,849,052	1,695,831	810,480
Other comprehensive income (loss), net of tax:
Net unrealized gain (loss) on securities available-for-sale									1,040	(1,634)	1,331
Reclassification adjustments for (gains) loss included in net earnings									(176)	234	12
Total other comprehensive income (loss), net of tax									864	(1,400)	1,343
Total comprehensive income attributable to Lennar									1,849,916	1,694,431	811,823
Total comprehensive income (loss) attributable to noncontrolling interests									$ (6,933)	$ 21,682	$ (38,726)
Basic earnings per share (in USD per share)	$ 2.13	$ 1.60	$ 1.31	$ 0.74	$ 2.42	$ 1.37	$ 0.95	$ 0.53	$ 5.76	$ 5.46	$ 3.38
Diluted earnings per share (in USD per share)	$ 2.13	$ 1.59	$ 1.30	$ 0.74	$ 2.42	$ 1.37	$ 0.94	$ 0.53	$ 5.74	$ 5.44	$ 3.38
Homebuilding
Revenues:
Total revenues									$ 20,793,216	$ 19,077,597	$ 11,188,876
Costs and expenses:
Costs and expenses									18,245,700	16,936,803	9,743,148
Equity in earnings (loss) from unconsolidated entities									(13,273)	(90,209)	(63,637)
Other income (expense), net									(31,338)	203,902	23,245
Lennar Homebuilding loss due to litigation									0	0	(140,000)
Financial Services
Revenues:
Total revenues									824,810	954,631	891,957
Costs and expenses:
Costs and expenses									600,168	754,915	696,650
Lennar Other
Revenues:
Total revenues									36,835	118,271	170,761
Costs and expenses:
Costs and expenses									11,794	115,969	174,605
Equity in earnings (loss) from unconsolidated entities									15,372	24,110	27,376
Other income (expense), net									(8,944)	(60,119)	(82,107)
Gain on sale of Rialto investment and asset management platform									0	296,407	0
Multifamily
Revenues:
Total revenues									604,700	421,132	394,771
Costs and expenses:
Costs and expenses									599,604	429,759	407,078
Equity in earnings (loss) from unconsolidated entities									$ 11,294	$ 51,322	$ 85,739