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Construction and Development, Remaining Costs to Complete, Percent

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Guarantor Obligations, Minimum Requirement for Subsidiaries

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

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Lennar Homebuilding Senior Notes and Other Debts Payable (Narrative) (Details) - USD ($)	1 Months Ended			9 Months Ended
	Aug. 31, 2017	Apr. 30, 2017	Jan. 31, 2017	Aug. 31, 2017	Aug. 31, 2016	May 31, 2017	May 30, 2017	Nov. 30, 2016
Senior Notes
Debt Instrument [Line Items]
Net proceeds from debt				$ 1,233,303,000	$ 495,043,000
Lennar Homebuilding
Debt Instrument [Line Items]
Guarantee by subsidiaries				$ 75,000,000
Lennar Homebuilding \| 4.125% senior notes due 2022
Debt Instrument [Line Items]
Interest rate	4.125%			4.125%
Lennar Homebuilding \| 4.500% senior notes due 2024
Debt Instrument [Line Items]
Interest rate	4.50%			4.50%
Lennar Homebuilding \| 12.25% senior notes due 2017
Debt Instrument [Line Items]
Interest rate	12.25%			12.25%
Lennar Homebuilding \| Surety Bond
Debt Instrument [Line Items]
Outstanding performance and surety bonds	$ 1,200,000,000			$ 1,200,000,000
Uncompleted site improvements amount	514,400,000			$ 514,400,000
Uncompleted site improvements percent				42.00%
Lennar Homebuilding \| Unsecured revolving credit facility
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 1,800,000,000				$ 2,000,000,000
Accordion feature	403,000,000			$ 403,000,000
Lennar Homebuilding \| Unsecured revolving credit facility \| Credit Facility Due in June 2020
Debt Instrument [Line Items]
Maximum borrowing capacity						50,000,000
Lennar Homebuilding \| Unsecured revolving credit facility \| Credit Facility Due in June 2022
Debt Instrument [Line Items]
Maximum borrowing capacity						1,400,000,000
Lennar Homebuilding \| Unsecured revolving credit facility \| Credit Facility Due in June 2018
Debt Instrument [Line Items]
Maximum borrowing capacity						$ 160,000,000
Lennar Homebuilding \| Letter of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity	330,000,000			330,000,000
Lennar Homebuilding \| Performance Letters of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity	500,000,000			500,000,000
Letters of credit outstanding	395,700,000			395,700,000				$ 270,800,000
Lennar Homebuilding \| Financial Letters of Credit
Debt Instrument [Line Items]
Letters of credit outstanding	153,800,000			153,800,000				210,300,000
Lennar Homebuilding \| Senior Notes
Debt Instrument [Line Items]
Debt issuance cost	$ 26,400,000			$ 26,400,000				$ 22,100,000
Lennar Homebuilding \| Senior Notes \| 4.125% senior notes due 2022
Debt Instrument [Line Items]
Debt principal amount			$ 600,000,000
Interest rate	4.125%			4.125%
Debt proceeds as a percentage of face value			100.00%
Net proceeds from debt			$ 595,200,000
Lennar Homebuilding \| Senior Notes \| 6.875% senior notes due 2021
Debt Instrument [Line Items]
Interest rate	6.875%			6.875%
Outstanding principal on long-term debt	$ 250,000,000			$ 250,000,000
Lennar Homebuilding \| Senior Notes \| 4.500% senior notes due 2024
Debt Instrument [Line Items]
Debt principal amount		$ 650,000,000
Debt proceeds as a percentage of face value		100.00%
Net proceeds from debt		$ 645,000,000
Outstanding principal on long-term debt	$ 250,000,000			$ 250,000,000
Redemption price	103.438%
Lennar Homebuilding \| Senior Notes \| 12.25% senior notes due 2017
Debt Instrument [Line Items]
Debt principal amount							$ 400,000,000