Lennar Multifamily Segment (Assets and Liabilities related to Multifamily Segment) (Details) - USD ($) $ in Thousands		Feb. 28, 2018	Nov. 30, 2017		Feb. 28, 2017	Nov. 30, 2016
Assets:
Cash and cash equivalents		$ 1,029,585	$ 2,650,872		$ 929,060	$ 1,329,529
Total assets	[1]	27,944,023	18,745,034
Lennar Multifamily
Segment Reporting Information [Line Items]
Debt issuance cost		17,600	17,600
Assets:
Cash and cash equivalents		16,249	8,676
Receivables, net		72,613	69,678
Land under development		332,291	208,618
Investments in unconsolidated entities		437,367	407,544
Other assets		34,310	16,209
Total assets		892,830	710,725	[1]
Liabilities:
Accounts payable and other liabilities		$ 141,057	$ 149,715

[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 February 28, 2018, total assets include $864.8 million related to consolidated VIEs of which $7.6 million is included in Lennar Homebuilding cash and cash equivalents, $0.1 million in Lennar Homebuilding receivables, net, $45.4 million in Lennar Homebuilding finished homes and construction in progress, $308.8 million in Lennar Homebuilding land and land under development, $366.7 million in Lennar Homebuilding consolidated inventory not owned, $4.5 million in Lennar Homebuilding investments in unconsolidated entities, $11.7 million in Lennar Homebuilding other assets, $20.0 million in Rialto assets and $100.0 million in Lennar Multifamily assets. As of November 30, 2017, total assets include $799.4 million related to consolidated VIEs of which $15.8 million is included in Lennar Homebuilding cash and cash equivalents, $0.2 million in Lennar Homebuilding receivables, net, $53.2 million in Lennar Homebuilding finished homes and construction in progress, $229.0 million in Lennar Homebuilding land and land under development, $393.3 million in Lennar Homebuilding consolidated inventory not owned, $4.6 million in Lennar Homebuilding investments in unconsolidated entities, $11.8 million in Lennar Homebuilding other assets, $48.8 million in Rialto assets and $42.7 million in Lennar Multifamily assets.