Line of Credit Facility, Accordion Feature

No definition available.

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

- Definition

Line of Credit Facility, Increase (Decrease) Maximum Borrowing Capacity

+ References

No definition available.

+ Details

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Namespace Prefix:	len_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

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

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- 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.

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+ Details

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- Definition

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

+ References

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Balance Type:	debit
Period Type:	instant

- 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

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Period Type:	instant

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Homebuilding Senior Notes and Other Debts Payable (Narrative) (Details) - USD ($)	1 Months Ended
	Jul. 31, 2025	Feb. 28, 2026	Nov. 30, 2025
Unsecured revolving credit facility \| Delayed Draw Term Loan Facility
Debt Instrument [Line Items]
Maximum borrowings	$ 1,700,000,000	$ 1,600,000,000
Increase in borrowing capacity	$ 100,000,000
Line of Credit Facility, Accordion Feature		500,000,000
Homebuilding \| Letter of Credit
Debt Instrument [Line Items]
Maximum borrowings		477,500,000
Homebuilding \| Unsecured revolving credit facility
Debt Instrument [Line Items]
Maximum borrowings		3,125,000,000
Homebuilding \| Unsecured revolving credit facility \| Commitments - maturing in November 2029
Debt Instrument [Line Items]
Maximum borrowings		2,900,000,000
Homebuilding \| Senior Notes
Debt Instrument [Line Items]
Debt issuance cost		$ 6,500,000	$ 7,000,000.0
Homebuilding \| Senior Notes \| 5.20% senior notes due 2030
Debt Instrument [Line Items]
Interest rate (percent)		5.20%