Name:	len_ConsolidatedViesAccountsPayableCurrentAndNoncurrent
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For consolidated VIEs, the amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

No definition available.

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Balance Type:	debit
Period Type:	instant

The carrying amount of cash and cash equivalents related to consolidated VIEs. Includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the Entity may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Compensating balance arrangements that do not legally restrict the withdrawal or usage of cash amounts may be reported as Cash and Cash Equivalents, while legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits should not be reported as cash and cash equivalents.

No definition available.

Name:	len_ConsolidatedViesCashAndCashEquivalentsAtCarryingValue
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

This item represents the carrying amount on the entity's balance sheet of its consolidated VIE investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

No definition available.

Name:	len_ConsolidatedViesEquityMethodInvestments
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Period Type:	instant

Carrying amount as of the balance sheet date of capitalized construction costs of homes for future sale related to consolidated VIEs.

No definition available.

Name:	len_ConsolidatedViesInventoryHomesUnderConstruction
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Period Type:	instant

Carrying amount as of the balance sheet date, net of valuation allowances and impairment losses, of costs of land expected to be developed in the near term plus capitalized costs of development, for purposes of selling completed units to home buyers or commercial or industrial entities related to consolidated VIEs.

No definition available.

Name:	len_ConsolidatedViesInventoryRealEstateLandAndLandDevelopmentCosts
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Consolidation of VIEs inventory relating to land and lot option purchases contracts in which the entity is deemed to be the primary beneficiary of the arrangements.

No definition available.

Name:	len_ConsolidatedViesInventoryRealEstateNotOwned
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Includes the liabilities of consolidated VIEs related to the remaining exercise price of land and lot option purchases contracts.

No definition available.

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

No definition available.

Name:	len_ConsolidatedViesNotesPayable
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Period Type:	instant

Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance-sheet date related to consolidated VIEs, with initial maturities beyond one year or beyond the normal operating cycle, if longer. And including the carrying amount as of the balance sheet date of consolidated VIEs liabilities not individually reported in the financial statements, or not separately disclosed in notes.

No definition available.

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The sum of consolidated VIEs assets not individually reported in the financial statements, or not separately disclosed in notes.

No definition available.

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The sum of consolidated VIEs liabilities not individually reported in the financial statements, or not separately disclosed in notes.

No definition available.

Name:	len_ConsolidatedViesOtherLiabilities
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

The carrying amounts of cash and cash equivalent related to consolidated VIEs which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Face amount or stated value per share of common stock.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 30

-Article 5

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Data Type:	num:perShareItemType
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Period Type:	instant

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Data Type:	xbrli:sharesItemType
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Period Type:	instant

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Data Type:	xbrli:sharesItemType
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Period Type:	instant

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Period Type:	duration

Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28,29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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Data Type:	xbrli:sharesItemType
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The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (bb)

-URI http://asc.fasb.org/extlink&oid=28200181&loc=d3e5710-111685

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

The carrying amount of the consolidated Variable Interest Entity's liabilities included in the reporting entity's statement of financial position.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

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