Document And Entity Information	9 Months Ended
	Aug. 31, 2016 shares
Class of Stock [Line Items]
Entity Registrant Name	LENNAR CORP /NEW/
Entity Central Index Key	0000920760
Current Fiscal Year End Date	--11-30
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Aug. 31, 2016
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q3
Amendment Flag	false
Class A Common Stock
Class of Stock [Line Items]
Entity Common Stock, Shares Outstanding	196,500,243
Class B Common Stock
Class of Stock [Line Items]
Entity Common Stock, Shares Outstanding	31,303,195