Lennar Homebuilding Senior Notes and Other Debts Payable (Schedule of Senior Notes and Other Debts Payable) (Details) - USD ($) $ in Thousands		Aug. 31, 2017	Nov. 30, 2016
Senior Notes | 4.75% senior notes due December 2017
Debt Instrument [Line Items]
Interest rate		4.75%
Senior Notes | 6.95% senior notes due 2018
Debt Instrument [Line Items]
Interest rate		6.95%
Senior Notes | 4.125% senior notes due December 2018
Debt Instrument [Line Items]
Interest rate		4.125%
Senior Notes | 4.500% senior notes due 2019
Debt Instrument [Line Items]
Interest rate		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%
Lennar Homebuilding
Debt Instrument [Line Items]
Senior notes and other debts payable	[1]	$ 5,523,765	$ 4,575,977
Lennar Homebuilding | 4.75% senior notes due December 2017
Debt Instrument [Line Items]
Interest rate		4.75%
Lennar Homebuilding | 6.95% senior notes due 2018
Debt Instrument [Line Items]
Interest rate		6.95%
Lennar Homebuilding | 4.125% senior notes due December 2018
Debt Instrument [Line Items]
Interest rate		4.125%
Lennar Homebuilding | 4.500% senior notes due 2019
Debt Instrument [Line Items]
Interest rate		4.50%
Lennar Homebuilding | 4.50% senior notes due 2019
Debt Instrument [Line Items]
Interest rate		4.50%
Lennar Homebuilding | 4.750% senior notes due 2021
Debt Instrument [Line Items]
Interest rate		4.75%
Lennar Homebuilding | 4.125% senior notes due 2022
Debt Instrument [Line Items]
Interest rate		4.125%
Lennar Homebuilding | 4.750% senior notes due 2022
Debt Instrument [Line Items]
Interest rate		4.75%
Lennar Homebuilding | 4.875% senior notes due December 2023
Debt Instrument [Line Items]
Interest rate		4.875%
Lennar Homebuilding | 4.500% senior notes due 2024
Debt Instrument [Line Items]
Interest rate		4.50%
Lennar Homebuilding | 4.750% senior notes due 2025
Debt Instrument [Line Items]
Interest rate		4.75%
Lennar Homebuilding | 12.25% senior notes due 2017
Debt Instrument [Line Items]
Interest rate		12.25%
Lennar Homebuilding | Senior Notes | 4.75% senior notes due December 2017
Debt Instrument [Line Items]
Senior notes and other debts payable		$ 399,036	398,479
Lennar Homebuilding | Senior Notes | 6.95% senior notes due 2018
Debt Instrument [Line Items]
Senior notes and other debts payable		249,223	248,474
Lennar Homebuilding | Senior Notes | 4.125% senior notes due December 2018
Debt Instrument [Line Items]
Senior notes and other debts payable		274,316	273,889
Lennar Homebuilding | Senior Notes | 4.500% senior notes due 2019
Debt Instrument [Line Items]
Senior notes and other debts payable		498,572	498,002
Lennar Homebuilding | Senior Notes | 4.50% senior notes due 2019
Debt Instrument [Line Items]
Senior notes and other debts payable		598,145	597,474
Lennar Homebuilding | Senior Notes | 4.750% senior notes due 2021
Debt Instrument [Line Items]
Senior notes and other debts payable		497,134	496,547
Lennar Homebuilding | Senior Notes | 4.125% senior notes due 2022
Debt Instrument [Line Items]
Senior notes and other debts payable		$ 595,656	0
Interest rate		4.125%
Lennar Homebuilding | Senior Notes | 4.750% senior notes due 2022
Debt Instrument [Line Items]
Senior notes and other debts payable		$ 569,105	568,404
Lennar Homebuilding | Senior Notes | 4.875% senior notes due December 2023
Debt Instrument [Line Items]
Senior notes and other debts payable		394,868	394,170
Lennar Homebuilding | Senior Notes | 4.500% senior notes due 2024
Debt Instrument [Line Items]
Senior notes and other debts payable		645,172	0
Outstanding principal on long-term debt		250,000
Lennar Homebuilding | Senior Notes | 4.750% senior notes due 2025
Debt Instrument [Line Items]
Senior notes and other debts payable		496,560	496,226
Lennar Homebuilding | Senior Notes | 12.25% senior notes due 2017
Debt Instrument [Line Items]
Senior notes and other debts payable		0	398,232
Lennar Homebuilding | Mortgage notes on land and other debt
Debt Instrument [Line Items]
Senior notes and other debts payable		$ 305,978	$ 206,080

[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 August 31, 2017, total liabilities include $390.2 million related to consolidated VIEs as to which there was no recourse against the Company, of which $4.7 million is included in Lennar Homebuilding accounts payable, $381.7 million in Lennar Homebuilding liabilities related to consolidated inventory not owned, $1.1 million in Lennar Homebuilding other liabilities and $2.7 million in Rialto liabilities.As of November 30, 2016, total liabilities include $126.4 million related to consolidated VIEs as to which there was no recourse against the Company, of which $3.6 million is included in Lennar Homebuilding accounts payable, $110.0 million in Lennar Homebuilding liabilities related to consolidated inventory not owned, $2.5 million in Lennar Homebuilding other liabilities and $10.3 million in Rialto liabilities.