Homebuilding Investments in Unconsolidated Entities (Narrative) (Details) $ in Thousands		6 Months Ended
		May 31, 2019 USD ($) investment	May 31, 2018 USD ($)	Feb. 28, 2019	Nov. 30, 2018 USD ($)
Schedule of Equity Method Investments [Line Items]
Gain on sale of strategic joint venture		$ 10,865	$ 164,880
FivePoint Unconsolidated Entity
Schedule of Equity Method Investments [Line Items]
Unconsolidated entities ownership percentage				40.00%
Investments in unconsolidated entities		389,100			$ 342,700
Homebuilding
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	[1]	983,683			870,201
Underlying equity in unconsolidated partners' net assets		$ 1,300,000			$ 1,200,000
Homebuilding | Joint Ventures Previously Managed by FivePoint Communities
Schedule of Equity Method Investments [Line Items]
Number of investments in joint ventures contributed | investment		3
Homebuilding | Treasure Island Holdings
Schedule of Equity Method Investments [Line Items]
Unconsolidated entities ownership percentage			80.00%
Gain on sale of strategic joint venture			$ 164,900

[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.