Homebuilding Senior Notes and Other Debts Payable (Schedule of Senior Notes and Other Debts Payable) (Details) - USD ($) $ in Thousands		Jun. 30, 2019	May 31, 2019	Nov. 30, 2018
Senior Notes | 4.500% senior notes due 2019
Debt Instrument [Line Items]
Interest rate		4.50%	4.50%
Senior Notes | 4.50% senior notes due 2019
Debt Instrument [Line Items]
Interest rate			4.50%
Senior Notes | 4.750% senior notes due 2021
Debt Instrument [Line Items]
Interest rate			4.75%
Senior Notes | 4.750% senior notes due 2022
Debt Instrument [Line Items]
Interest rate			4.75%
Senior Notes | 4.875% senior notes due December 2023
Debt Instrument [Line Items]
Interest rate			4.875%
Senior Notes | 4.750% senior notes due 2025
Debt Instrument [Line Items]
Interest rate			4.75%
Homebuilding
Debt Instrument [Line Items]
Senior notes and other debts payable	[1]		$ 9,390,941	$ 8,543,868
Homebuilding | 4.125% senior notes due 2022
Debt Instrument [Line Items]
Interest rate			4.125%
Homebuilding | 4.500% senior notes due 2024
Debt Instrument [Line Items]
Interest rate			4.50%
Homebuilding | Senior Notes | 4.500% senior notes due 2019
Debt Instrument [Line Items]
Senior notes and other debts payable			$ 499,981	499,585
Interest rate			4.50%
Homebuilding | Senior Notes | 4.50% senior notes due 2019
Debt Instrument [Line Items]
Senior notes and other debts payable			$ 599,602	599,176
Interest rate			4.50%
Homebuilding | Senior Notes | 6.625% senior notes due 2020
Debt Instrument [Line Items]
Senior notes and other debts payable			$ 307,701	311,735
Interest rate			6.625%
Homebuilding | Senior Notes | 2.95% senior notes due 2020
Debt Instrument [Line Items]
Senior notes and other debts payable			$ 299,129	298,838
Interest rate			2.95%
Homebuilding | Senior Notes | 8.375% senior notes due 2021
Debt Instrument [Line Items]
Senior notes and other debts payable			$ 427,378	435,897
Interest rate			8.375%
Homebuilding | Senior Notes | 4.750% senior notes due 2021
Debt Instrument [Line Items]
Senior notes and other debts payable			$ 498,502	498,111
Interest rate			4.75%
Homebuilding | Senior Notes | 6.25% senior notes due December 2021
Debt Instrument [Line Items]
Senior notes and other debts payable			$ 312,768	315,283
Interest rate			6.25%
Homebuilding | Senior Notes | 4.125% senior notes due 2022
Debt Instrument [Line Items]
Senior notes and other debts payable			$ 597,390	596,894
Interest rate			4.125%
Homebuilding | Senior Notes | 5.375% senior notes due 2022
Debt Instrument [Line Items]
Senior notes and other debts payable			$ 259,627	261,055
Interest rate			5.375%
Homebuilding | Senior Notes | 4.750% senior notes due 2022
Debt Instrument [Line Items]
Senior notes and other debts payable			$ 571,104	570,564
Interest rate			4.75%
Homebuilding | Senior Notes | 4.875% senior notes due December 2023
Debt Instrument [Line Items]
Senior notes and other debts payable			$ 396,156	395,759
Interest rate			4.875%
Homebuilding | Senior Notes | 4.500% senior notes due 2024
Debt Instrument [Line Items]
Senior notes and other debts payable			$ 646,440	646,078
Interest rate			4.50%
Homebuilding | Senior Notes | 5.875% senior notes due 2024
Debt Instrument [Line Items]
Senior notes and other debts payable			$ 450,496	452,833
Interest rate			5.875%
Homebuilding | Senior Notes | 4.750% senior notes due 2025
Debt Instrument [Line Items]
Senior notes and other debts payable			$ 497,336	497,114
Interest rate			4.75%
Homebuilding | Senior Notes | 5.25% senior notes due 2026
Debt Instrument [Line Items]
Senior notes and other debts payable			$ 408,527	409,133
Interest rate			5.25%
Homebuilding | Senior Notes | 5.00% senior notes due 2027
Debt Instrument [Line Items]
Senior notes and other debts payable			$ 353,083	353,275
Interest rate			5.00%
Homebuilding | Senior Notes | 4.75% senior notes due 2027
Debt Instrument [Line Items]
Senior notes and other debts payable			$ 892,672	892,297
Interest rate			4.75%
Homebuilding | Senior Notes | 0.25% convertible senior notes due 2019
Debt Instrument [Line Items]
Senior notes and other debts payable			$ 0	1,291
Interest rate			0.25%
Homebuilding | Mortgage notes on land and other debt
Debt Instrument [Line Items]
Senior notes and other debts payable			$ 823,049	508,950
Homebuilding | Unsecured revolving credit facility
Debt Instrument [Line Items]
Senior notes and other debts payable			550,000	$ 0
CalAtlantic Group, Inc. | Senior Notes | 6.625% senior notes due 2020
Debt Instrument [Line Items]
Senior notes and other debts payable			267,700
CalAtlantic Group, Inc. | Senior Notes | 8.375% senior notes due 2021
Debt Instrument [Line Items]
Senior notes and other debts payable			397,600
CalAtlantic Group, Inc. | Senior Notes | 6.25% senior notes due December 2021
Debt Instrument [Line Items]
Senior notes and other debts payable			292,000
CalAtlantic Group, Inc. | Senior Notes | 5.375% senior notes due 2022
Debt Instrument [Line Items]
Senior notes and other debts payable			240,800
CalAtlantic Group, Inc. | Senior Notes | 5.875% senior notes due 2024
Debt Instrument [Line Items]
Senior notes and other debts payable			421,400
CalAtlantic Group, Inc. | Senior Notes | 5.25% senior notes due 2026
Debt Instrument [Line Items]
Senior notes and other debts payable			395,500
CalAtlantic Group, Inc. | Senior Notes | 5.00% senior notes due 2027
Debt Instrument [Line Items]
Senior notes and other debts payable			$ 347,300

[1] Under certain provisions of ASC 810, the Company is required to separately disclose on its condensed consolidated balance sheets the assets owned by consolidated 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 liabilities include $928.9 million related to consolidated VIEs as to which there was no recourse against the Company, of which $17.3 million is included in Homebuilding accounts payable, $370.7 million in Homebuilding senior notes and other debts payable, $346.3 million in Homebuilding liabilities related to consolidated inventory not owned, $1.7 million in Homebuilding other liabilities, $190.6 million in Financial Services liabilities, $1.0 million in Multifamily liabilities and $1.3 million in Lennar Other liabilities. As of November 30, 2018, total liabilities include $242.5 million related to consolidated VIEs as to which there was no recourse against the Company, of which $11.4 million is included in Homebuilding accounts payable, $51.9 million in Homebuilding senior notes and other debt payable, $175.6 million in Homebuilding liabilities related to consolidated inventory not owned, $2.6 million in Homebuilding other liabilities and $1.0 million in Lennar Other liabilities.