Lennar Other Segment (Narrative) (Details) - Lennar Other - USD ($)	3 Months Ended		6 Months Ended
	May 31, 2019	May 31, 2018	May 31, 2019	May 31, 2018	Nov. 30, 2018
Segment Reporting Information [Line Items]
Investments held-to-maturity	$ 60,449,000		$ 60,449,000		$ 59,974,000
CMBS
Segment Reporting Information [Line Items]
Investments held-to-maturity	60,400,000		60,400,000		60,000,000.0	[1]
Impairment charges for CMBS securities	0	$ 0	0	$ 0
Outstanding debt	$ 13,300,000		$ 13,300,000		$ 12,600,000
CMBS | Minimum
Segment Reporting Information [Line Items]
Discount rate as a percentage of face value for held-to-maturity securities			6.50%
Coupon rate for held-to-maturity securities			1.30%
Interest rate	4.70%		4.70%
CMBS | Maximum
Segment Reporting Information [Line Items]
Discount rate as a percentage of face value for held-to-maturity securities			86.10%
Coupon rate for held-to-maturity securities			4.00%
Interest rate	4.80%		4.80%

[1] Under certain provisions of Accounting Standards Codification ("ASC") Topic 810, Consolidations, ("ASC 810") the Company is required to separately disclose on its condensed consolidated balance sheets the assets owned by consolidated variable interest entities ("VIEs") and liabilities of consolidated VIEs as to which neither Lennar Corporation, or any of its subsidiaries, has any obligations. As of May 31, 2019, total assets include $1.4 billion related to consolidated VIEs of which $52.9 million is included in Homebuilding cash and cash equivalents, $103.3 million in Homebuilding receivables, net, $240.1 million in Homebuilding finished homes and construction in progress, $301.0 million in Homebuilding land and land under development, $394.7 million in Homebuilding consolidated inventory not owned, $4.1 million in Homebuilding investments in unconsolidated entities, $10.4 million in Homebuilding other assets, $187.2 million in Financial Services assets, $50.8 million in Multifamily assets and $7.2 million in Lennar Other assets. As of November 30, 2018, total assets include $666.2 million related to consolidated VIEs of which $57.6 million is included in Homebuilding cash and cash equivalents, $0.2 million in Homebuilding receivables, net, $81.7 million in Homebuilding finished homes and construction in progress, $293.1 million in Homebuilding land and land under development, $209.0 million in Homebuilding consolidated inventory not owned, $3.8 million in Homebuilding investments in unconsolidated entities, $10.5 million in Homebuilding other assets and $10.3 million in Lennar Other assets.