Document And Entity Information - USD ($)	12 Months Ended
	Nov. 30, 2015	Dec. 31, 2015	May. 31, 2015
Document Type	10-K
Amendment Flag	false
Document Period End Date	Nov. 30, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	FY
Entity Registrant Name	LENNAR CORP /NEW/
Entity Central Index Key	0000920760
Current Fiscal Year End Date	--11-30
Entity Filer Category	Large Accelerated Filer
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	Yes
Entity Public Float			$ 8,278,307,330
Class A Common Stock [Member]
Entity Common Stock, Shares Outstanding		180,111,931
Class B Common Stock [Member]
Entity Common Stock, Shares Outstanding		31,303,195