Operating and Reporting Segments (Financial Information Relating to Company's Segments) (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2021
Segment Reporting Information [Line Items]
Total revenues	$ 34,233,366	$ 33,671,010	$ 27,130,676
Earnings before income taxes	5,202,304	6,014,566	5,819,058
Lennar Other
Segment Reporting Information [Line Items]
Unrealized gain (loss) on investments	(50,162)	(655,094)
Operating Segments
Segment Reporting Information [Line Items]
Total revenues	34,233,366	33,671,010	27,130,676
Operating Segments | Homebuilding
Segment Reporting Information [Line Items]
Total revenues	32,660,987	31,951,335	25,545,242
Operating earnings (loss):	5,527,707	6,777,317	5,031,762
Operating Segments | Financial Services
Segment Reporting Information [Line Items]
Total revenues	976,859	809,680	898,745
Operating earnings (loss):	509,461	383,302	491,014
Operating Segments | Financial Services | Court Judgment
Segment Reporting Information [Line Items]
Provision for losses		35,500
Operating Segments | Multifamily
Segment Reporting Information [Line Items]
Total revenues	573,485	865,603	665,232
Operating earnings (loss):	(50,651)	69,493	21,453
Operating Segments | Lennar Other
Segment Reporting Information [Line Items]
Total revenues	22,035	44,392	21,457
Operating earnings (loss):	(209,788)	(734,649)	733,035
Unrealized gain (loss) on investments	(50,162)	(655,094)	510,802
Write Off of non public technology	65,000
Corporate and unallocated
Segment Reporting Information [Line Items]
Operating earnings (loss):	(574,425)	(480,897)	(458,206)
Operating Segments And Corporate Non Segment
Segment Reporting Information [Line Items]
Operating earnings (loss):	$ 5,202,304	$ 6,014,566	$ 5,819,058