Homebuilding Senior Notes and Other Debts Payable (Schedule of Senior Notes and Other Debts Payable) (Details) - USD ($) $ in Thousands		Feb. 28, 2019	Nov. 30, 2018
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%
Homebuilding
Debt Instrument [Line Items]
Senior notes and other debts payable	[1]	$ 9,256,423	$ 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 | 4.125% senior notes due December 2018
Debt Instrument [Line Items]
Interest rate		4.125%
Homebuilding | Senior Notes | 0.25% convertible senior notes due 2019
Debt Instrument [Line Items]
Senior notes and other debts payable		$ 1,289	1,291
Interest rate		0.25%
Homebuilding | Senior Notes | 4.500% senior notes due 2019
Debt Instrument [Line Items]
Senior notes and other debts payable		$ 499,760	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		$ 599,422	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		$ 309,718	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		$ 298,984	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		$ 431,638	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		$ 498,306	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		$ 314,026	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		$ 597,142	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		$ 260,341	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		$ 570,725	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		$ 396,059	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		$ 646,259	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		$ 451,664	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		$ 497,225	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		$ 408,830	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		$ 353,179	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		$ 892,485	892,297
Interest rate		4.75%
Homebuilding | Senior Notes | 6.95% senior notes due 2018
Debt Instrument [Line Items]
Interest rate		6.95%
Homebuilding | Mortgage notes on land and other debt
Debt Instrument [Line Items]
Senior notes and other debts payable		$ 504,371	508,950
Homebuilding | Unsecured revolving credit facility
Debt Instrument [Line Items]
Senior notes and other debts payable		725,000	$ 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 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, 2019, total liabilities include $528.4 million related to consolidated VIEs as to which there was no recourse against the Company, of which $5.4 million is included in Homebuilding accounts payable, $60.8 million in Homebuilding senior notes and other debts payable, $267.3 million in Homebuilding liabilities related to consolidated inventory not owned, $1.3 million in Homebuilding other liabilities, $190.6 million in Financial Services liabilities, $1.8 million in Multifamily liabilities and $1.0 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.