Debt Instrument, Extension Term

No definition available.

Name:	len_DebtInstrumentExtensionTerm
Namespace Prefix:	len_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Number of Extensions

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt, Long-term and Short-term, Combined Amount, Used to Loan Origination and Finance Securitization Activities

+ References

No definition available.

+ Details

Name:	len_DebtLongtermandShorttermCombinedAmountUsedtoLoanOriginationandFinanceSecuritizationActivities
Namespace Prefix:	len_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

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.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

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.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5086-111524

+ Details

Name:	us-gaap_LoansPledgedAsCollateral
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(a))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(1))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(13))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Operating and Reporting Segments (Disclosure of Facilities) (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Feb. 29, 2020 USD ($) extension	Nov. 30, 2019 USD ($)
Financial Services
Line of Credit Facility [Line Items]
Outstanding principal balance	$ 698,369	$ 1,423,650
Financial Services \| Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum Aggregate Commitment	2,100,000
Borrowings under facility	674,848	$ 1,374,063
Residential facilities maturing March 2020 \| Financial Services \| Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum Aggregate Commitment	100,000
Residential facilities maturing May 2020 \| Financial Services \| Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum Aggregate Commitment	300,000
Residential facilities maturing June 2020 \| Financial Services \| Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum Aggregate Commitment	300,000
Residential facilities maturing October 2020 \| Financial Services \| Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum Aggregate Commitment	500,000
Residential facilities \| Financial Services \| Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum Aggregate Commitment	1,200,000
Commercial facilities maturing December 2020 \| Financial Services \| Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum Aggregate Commitment	50,000
Borrowings under facility	$ 11,400
Number of extensions \| extension	2
Extension term		1 year
Commercial facilities maturing November 2020 \| Financial Services \| Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum Aggregate Commitment	$ 200,000
Commercial facilities maturing December 2020 \| Financial Services \| Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum Aggregate Commitment	650,000
Commercial facilities maturing December 2020 \| Financial Services \| Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum Aggregate Commitment	0
Commercial facilities maturing December 2020 \| Financial Services \| Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum Aggregate Commitment	0
Commercial facilities \| Financial Services \| Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum Aggregate Commitment	900,000
Warehouse Repurchase Facility \| Rialto Mortgage Finance \| Financial Services
Line of Credit Facility [Line Items]
Borrowings under loan originations and securitizations activities	161,546	$ 216,870
Secured Debt \| Financing Agreement to Purchase Commercial Mortgage Backed Securities [Member] \| Financial Services
Line of Credit Facility [Line Items]
Senior notes and other debts payable, net	$ 153,800	$ 154,700
Minimum \| Secured Debt \| Financing Agreement to Purchase Commercial Mortgage Backed Securities [Member] \| Lennar Other
Line of Credit Facility [Line Items]
Interest rate	3.40%