Mortgage prepayment rate Measurement Input, Prepayment Rate [Member] Land and land under development, carrying value Inventory, Real Estate, Land and Land Development Costs, Fair Value Measurement Adjustments, Before Impairment Inventory, Real Estate, Land and Land Development Costs, Fair Value Measurement Adjustments, Before Impairment Maximum borrowing capacity after accordion feature Line of Credit Facility, Accordion Feature, Higher Borrowing Capacity Option Line of Credit Facility, Accordion Feature, Higher Borrowing Capacity Option Cash dividend paid (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Lennar Other losses from technology investments Unrealized Gain (Loss) on Investments Revision of Prior Period [Axis] Revision of Prior Period [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] Discount rates at purchase Held to Maturity Securities, Discount Rate as a Percent of Face Value Held to Maturity Securities, Discount Rate as a Percent of Face Value Realized Investment Gains (Losses) Realized Investment Gains (Losses) Payments of inventories financed by sellers Noncash Purchase of Inventories and Other Assets Noncash Purchase of Inventories and Other Assets Delinquency rate Measurement Input, Default Rate [Member] Award Timing Predetermined Award Timing Predetermined [Flag] 2026 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Real Estate [Domain] Real Estate [Domain] Asset Class [Axis] Asset Class [Axis] Entity File Number Entity File Number Additional Paid-in Capital Additional Paid-in Capital [Member] Interest Rate Swap Interest Rate Swap [Member] Additional shares authorized for repurchase, amount Stock Repurchase Program, Additional Shares Authorized For RepurchaseAmount Stock Repurchase Program, Additional Shares Authorized For RepurchaseAmount Investments in unconsolidated entities Disposal Group, Including Discontinued Operation, Investments in Unconsolidated Entities Disposal Group, Including Discontinued Operation, Investments in Unconsolidated Entities Interest and principal paydowns Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Interest and Principal Pay downs Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Interest and Principal Pay downs Lennar Other losses from technology investments and other losses, net Unrealized Gain (Loss) on Investments and Other Gain (Loss) Unrealized Gain (Loss) on Investments and Other Gain (Loss) Equity in earnings from unconsolidated entities Income (Loss) from Equity Method Investments Tabular List, Table Tabular List [Table Text Block] Increase in borrowing capacity Line of Credit Facility, Increase (Decrease) Maximum Borrowing Capacity Line of Credit Facility, Increase (Decrease) Maximum Borrowing Capacity Recently Adopted Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Pledged Status [Axis] Pledged Status [Axis] Carrying Amounts And Estimated Fair Value Of Financial Instruments Fair Value, by Balance Sheet Grouping [Table Text Block] Unobservable inputs Inventory, Measurement Input Inventory, Measurement Input Proceeds from other borrowings Proceeds from Other Debt Equity in earnings from unconsolidated entities Income (Loss) from Equity Method Investments and Other Nonoperating Income (Expense) Income (Loss) from Equity Method Investments and Other Nonoperating Income (Expense) Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Measurement Basis [Axis] Measurement Basis [Axis] Basic earnings per share (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Schedule of Line of Credit Facilities Schedule of Letter of Credit Facilities Schedule of Line of Credit Facilities [Table Text Block] Net cash distributed in connection with Millrose Properties, Inc. spin-off Cash Divested From Deconsolidation, Financing Activities Cash Divested From Deconsolidation, Financing Activities Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Decrease in accounts payable and other liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Consolidated inventory not owned Consolidated inventory not owned Land under Purchase Options, Recorded Stock, Class of Stock [Table] Stock, Class of Stock [Table] Discount rate Measurement Input, Discount Rate [Member] Total other comprehensive income, net of tax Other Comprehensive Income (Loss), Net of Tax Cash Proceeds From Investments Cash Proceeds From Investments Cash Proceeds From Investments Disclosure Of Financial Information Relating To Company's Operations Schedule of Segment Reporting Information, by Segment [Table Text Block] Borrowings under facility Short-Term Debt Area of real estate property (sqft) Area of Real Estate Property Commercial Warehouse Repurchase Facility Due December 2027 Commercial Warehouse Repurchase Facility Due Dec 2027 [Member] Commercial Warehouse Repurchase Facility Due Dec 2027 Other Homebuilding Other Regions [Member] Homebuilding Other Regions [Member] Measurement Input Type [Domain] Measurement Input Type [Domain] Adjustment to Compensation, Amount Adjustment to Compensation Amount Commitments - maturing in May 2027 Credit Facility, Maturing May 2027 [Member] Credit Facility, Maturing May 2027 Fair Value Measurements, Nonrecurring Fair Value Measurements, Nonrecurring [Table Text Block] Increase in other assets Increase (Decrease) in Other Operating Assets Residential Warehouse Repurchase Facility Due November 2026 Residential Warehouse Repurchase Facility Due November 2026 [Member] Residential Warehouse Repurchase Facility Due November 2026 Basis of Consolidation Consolidation, Policy [Policy Text Block] Share-based compensation expense Share-Based Payment Arrangement, Noncash Expense Options Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Net borrowings (repayments) under warehouse facilities Net Repayments of Lines of Credit Net Repayments of Lines of Credit Loans held-for-investment, net Financing Receivable, after Allowance for Credit Loss Number Of Projects Sold Number Of Projects Sold Number Of Projects Sold Business Transactions [Abstract] Business Transactions [Abstract] Variable Interest Entity, Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Cash dividends Dividends, Common Stock, Cash Investments in and contributions to unconsolidated entities Payments to Acquire Equity Method Investments Total stockholders’ equity Equity, Attributable to Parent Measurement Frequency [Axis] Measurement Frequency [Axis] Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Common stock, shares authorized Common Stock, Shares Authorized Notes payable Notes Payable, Fair Value Disclosure Surety bonds Surety Bond [Member] Commercial facilities Commercial Warehouse Repurchase Facility [Member] Commercial Warehouse Repurchase Facility [Member] Blend Labs Blend Labs [Member] Blend Labs Loans held-for-sale Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance Total liabilities and equity Liabilities and Equity Fair Value, Measurements, Recurring Fair Value, Recurring [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Deposits and pre-acquisition costs on real estate, fair value Deposits And Pre-acquisition Costs On Real Estate, Fair Value Deposits And Pre-acquisition Costs On Real Estate, Fair Value Loans reclassified Financing Receivable, Held-for-Sale, Not Part of Disposal Group, Reconciliation to Cash Flow, Deduction from Held-for-Sale LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Sonder Sonder Holdings, Inc [Member] Sonder Holdings, Inc Cover [Abstract] Warehouse Repurchase Facility Warehouse Agreement Borrowings [Member] Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Maximum Maximum [Member] Other assets, fair value Other Assets, Fair Value Measurement Adjustments, After Impairment Other Assets, Fair Value Measurement Adjustments, After Impairment Equity Method Investment [Table] Equity Method Investment [Table] Proceeds from liabilities related to consolidated inventory not owned Proceeds from Other Liabilities Proceeds from Other Liabilities Less: Net earnings attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Future Minimum Payments Under Noncancellable Leases Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Forward contracts Forward Contracts [Member] Nonvested shares Restricted Stock [Member] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Treasury Stock Treasury Stock, Common [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Loans Held For Sale, Carrying Value Loans Held For Sale, Carrying Value Loans Held For Sale, Carrying Value Lease liabilities Present value of lease liabilities Operating Lease, Liability Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount 5.25% senior notes due 2026 Five Point Two Five Percent Senior Notes Due Twenty Twenty Six [Member] Five Point Two Five Percent Senior Notes Due Twenty Twenty Six [Member] LMV II Lennar Multifamily Venture II LP [Member] Lennar Multifamily Venture II LP [Member] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Earnings before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Percentage of debt principal redeemed Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Proceeds from sale of other assets Proceeds from Sale of Property, Plant, and Equipment Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Operating Segments Operating Segments [Member] Variable Interest Entity [Table] Variable Interest Entity [Table] Non-refundable option deposits and pre-acquisition costs on real estate Variable Interest Entities, Non Refundable Option Deposits And Pre Acquisition costs Represents non-refundable option deposits and pre-acquisition costs. Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount 2029 Lessee, Operating Lease, Liability, to be Paid, Year Three Total comprehensive income attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Fair value of communities with valuation adjustments Inventory, Operative Builders, Fair Value Measurement Adjustments, Before Impairment Inventory, Operative Builders, Fair Value Measurement Adjustments, Before Impairment Line of Credit Facility [Table] Line of Credit Facility [Table] Loss origination liability Representation and Warranty Liability [Member] Representation and Warranty Liability [Member] Total comprehensive income attributable to Lennar Comprehensive Income (Loss), Net of Tax, Attributable to Parent Measurement Input Type [Axis] Measurement Input Type [Axis] Disposal Group Name [Domain] Disposal Group Name [Domain] Name Measure Name Letter of Credit Letter of Credit [Member] Payments related to noncontrolling interests Payments to Noncontrolling Interests Finished homes and construction in progress Inventory, Homes under Construction and Finished Homes Inventory, Homes under Construction and Finished Homes Secured Debt Secured Debt [Member] Financial Standby Letters of Credit Financial Standby Letters of Credit [Member] Financial Standby Letters of Credit [Member] Class of Stock [Line Items] Class of Stock [Line Items] Document Fiscal Period Focus Document Fiscal Period Focus Upward America Venture Upward America Venture [Member] Upward America Venture Hippo Hippo [Member] Hippo Average selling price (1) Measurement Input, Average Selling Price [Member] Measurement Input, Average Selling Price [Member] Unsecured Debt Unsecured Debt [Member] Award Timing Method Award Timing Method [Text Block] Unrealized Gain (Loss) on Investments Unrealized Gain (Loss) on Investments [Table Text Block] Award Type [Axis] Award Type [Axis] Senior notes and other debts payable, net Outstanding debt, net of debt issuance costs Long-Term Debt Legal Entity [Axis] Legal Entity [Axis] Total assets Total assets Assets Assets Investment, Name [Domain] Investment, Name [Domain] Trading Symbol Trading Symbol 2030 Lessee, Operating Lease, Liability, to be Paid, Year Four Asset Acquisition, Consideration Transferred, Liabilities Assumed Asset Acquisition, Consideration Transferred, Liabilities Assumed Asset Acquisition, Consideration Transferred, Liabilities Assumed Commitment for recourse debt Commitment For Recourse Debt [Member] Commitment For Recourse Debt Entity Address, City or Town Entity Address, City or Town Short-term Debt, Type [Domain] Short-Term Debt, Type [Domain] Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Lennar Other Lennar - Other [Member] Lennar - Other [Member] FivePoint Unconsolidated Entity FivePoint Unconsolidated Entity [Member] FivePoint Unconsolidated Entity [Member] Financial letters of credit Financial Letters Of Credit [Member] Financial Letters of Credit [Member] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Homebuilding Lennar Homebuilding East, Central, West, Houston, and Other [Member] Lennar Homebuilding [member] Active communities Number of Active Communities Number of Active Communities Lennar Financial Services Lennar Financial Services [Member] Lennar Financial Services [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Write-down of investments in unconsolidated entities Equity Method Investment, Other-than-Temporary Impairment Entity Emerging Growth Company Entity Emerging Growth Company Investments held-to-maturity Debt Securities, Held-to-Maturity, Fair Value Cash dividend declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Schedule of Commercial Mortgage-Backed Securities Debt Securities, Held-to-Maturity [Table Text Block] Net borrowings (repayments) under warehouse facilities Repayments of Lines of Credit Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Debt issuance cost Debt Issuance Costs, Net Derivative, Gain (Loss) on Derivative, Net Derivative, Gain (Loss) on Derivative, Net Deposits and pre-acquisition costs on real estate, carrying value Deposits And Pre-acquisition Costs On Real Estate, Carrying Value Deposits And Pre-acquisition Costs On Real Estate, Carrying Value Restricted cash Restricted Cash and Cash Equivalent Investments in unconsolidated entities Lennar's carrying value of investments Equity Method Investments Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Loss on Millrose Properties, Inc. exchange offer Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Equity Method Investments Equity Method Investments [Member] Millrose Properties, Inc. spin-off Noncontrolling Interests Non Cash Consolidations The value of noncontrolling interests that were consolidated during the period in non-cash consolidations. Asset Pledged as Collateral Asset Pledged as Collateral [Member] Residential Mortgage Residential Mortgage [Member] Schedule of Income Tax Benefit (Provision) and Effective Tax Rate Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] PEO PEO [Member] Deposits and pre-acquisition costs on real estate, net Deposits And Pre-acquisition Costs On Real Estate, Net Deposits And Pre-acquisition Costs On Real Estate, Net Transfers into Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 Collateral percentage Line of Credit Facility, Collateral, Percentage Line of Credit Facility, Collateral, Percentage Proceeds from issuance of senior notes Proceeds from Issuance of Senior Long-Term Debt Changes in assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Schedule of Product Warranty Reserve Schedule of Product Warranty Liability [Table Text Block] South Central Homebuilding South Central [Member] Homebuilding Texas [Member] Retained Earnings Retained Earnings [Member] 4.75% senior notes due 2025 Four Point Seven Five Zero Senior Notes Due Two Thousand Twenty Five [Member] Four Point Seven Five Zero Senior Notes Due Two Thousand Twenty Five Increase (Decrease) in Liabilities Related to Land Under Purchase Options, Not Owned, Recorded Increase (Decrease) in Liabilities Related to Land Under Purchase Options, Not Owned, Recorded Increase (Decrease) in Liabilities Related to Land Under Purchase Options, Not Owned, Recorded Pledged Status [Domain] Pledged Status [Domain] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Cash and cash equivalents and restricted cash at beginning of period Cash and cash equivalents and restricted cash at end of period Total cash and cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Derivative asset Derivative Asset Total equity commitments Equity commitments Equity Method Investment , Total Equity Commitments Equity Method Investment , Total Equity Commitments Residential Warehouse Repurchase Facility Due May 2027 Residential Warehouse Repurchase Facility Due May 2027 [Member] Residential Warehouse Repurchase Facility Due May 2027 Provision for income taxes Provision for income taxes Income Tax Expense (Benefit) Purchases of investment securities Payments to Acquire Marketable Securities Common Class B Common Class B [Member] Other assets Other Assets Warranty reserve, beginning of the period Warranty reserve, end of period Standard Product Warranty Accrual Fair Value, Measurements, Nonrecurring Fair Value, Nonrecurring [Member] Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Unobservable inputs for valuation of mortgage servicing rights Servicing Asset, Measurement Input Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Millrose Millrose Properties, Inc. [Member] Millrose Properties, Inc. Product and Service [Domain] Product and Service [Domain] Subsegments [Axis] Subsegments [Axis] Subsegments Consolidation Items [Domain] Subsegments Consolidation Items [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Net earnings (including net earnings attributable to noncontrolling interests) Net earnings (including net earnings attributable to noncontrolling interests) Net earnings (including net earnings attributable to noncontrolling interests) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Equity investment, measurement input Equity Securities, FV-NI, Measurement Input Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Other assets, carrying value Other Assets, Fair Value Measurement Adjustments, Before Impairment Other Assets, Fair Value Measurement Adjustments, Before Impairment Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Absorption rate per quarter (homes) Measurement Input, Absorption Rate Per Quarter [Member] Measurement Input, Absorption Rate Per Quarter [Member] Notes payable Disposal Group, Including Discontinued Operation, Assignment of Setters Debt Disposal Group, Including Discontinued Operation, Assignment of Setters Debt Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Residential Warehouse Repurchase Facility Due July 2026 Residential Warehouse Repurchase Facility Due July 2026 [Member] Residential Warehouse Repurchase Facility Due July 2026 City Area Code City Area Code Acquisition, net of cash and restricted cash acquired Payments to Acquire Businesses, Net of Cash Acquired Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Headquarters Headquarters [Member] Headquarters Net non-cash contributions to unconsolidated entities Non Cash Contributions To Unconsolidated Entities Non-cash contributions to an entity that is related to the Company but not strictly controlled (for example an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) during the period. Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Corporate general and administrative Corporate general and administrative General and Administrative Expense Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Business Transactions Business Transactions [Text Block] Business Transactions Disposal Group, Disposed of by Sale, Not Discontinued Operations Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Facility, term Debt Instrument, Term Retirement of treasury stock Treasury Stock, Retired, Cost Method, Amount Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Proceeds from sales of investments Proceeds from Sale of Debt Securities, Available-for-Sale Sales/loan originations sold, including those not settled Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Subsequent Event Subsequent Event [Member] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Other liabilities Other Liabilities Goodwill Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Lease, Cost Lease, Cost [Table Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Debt Instrument, Redemption Price, Amount Redeemed Debt Instrument, Redemption Price, Amount Redeemed Debt Instrument, Redemption Price, Amount Redeemed Numerator: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Equity Components [Axis] Equity Components [Axis] West Homebuilding West [Member] Homebuilding West [Member] Forward options Options Held [Member] Mortgage notes on land and other debt Mortgage Notes and Other [Member] Mortgage Notes and Other [Member] Lennar's equity commitments Equity Method Investment, Equity Commitments Equity Method Investment, Equity Commitments Other assets, total losses, net Impairment of Other Assets Impairment of Other Assets Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Charitable foundation contribution Charitable foundation contribution Contribution Expense Contribution Expense Number of Reportable Segments Number of Reportable Segments Scenario, Adjustment Scenario, Adjustment [Member] Variable Interest Entities Variable Interest Entity Disclosure [Text Block] Other Performance Measure, Amount Other Performance Measure, Amount Debt issuance costs Payments of Debt Issuance Costs Entity Address, State or Province Entity Address, State or Province Amortization of restricted stock APIC, Share-Based Payment Arrangement, Restricted Stock Unit, Increase for Cost Recognition Delayed Draw Term Loan (DDTL) Delayed Draw Term Loan (DDTL) [Member] Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] Loans held-for-investment Loans Receivable, Fair Value Disclosure Related Party [Domain] Related and Nonrelated Parties [Domain] Derivative Instrument [Axis] Derivative Instrument [Axis] Individual: Individual [Axis] Operating Segments And Corporate Operating Segments And Corporate Non Segment [Member] Operating Segments And Corporate Non Segment [Member] Gains on redemption/repurchase of senior notes Gain (Loss) on Repurchase of Debt Instrument Aggregate principal balance Fair Value, Option, Principal Amount Outstanding, Loans and Long-Term Receivables Fair Value, Option, Principal Amount Outstanding, Loans and Long-Term Receivables Dividends Payments of Ordinary Dividends, Common Stock Decrease in loans held-for-sale Increase (Decrease) in Loan, Held-for-Sale Strategic Technology Investments Strategic Technology Investments [Member] Strategic Technology Investments Entity [Domain] Entity [Domain] Net cash provided by investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Cost of sales Property Selling Costs Property Selling Costs Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Commitments - maturing in November 2029 Credit Facility, Maturing November 2029 [Member] Credit Facility, Maturing November 2029 Short-term lease costs Lessee, Operating Lease, Liability, Short-term Lease Payments, Due Lessee, Operating Lease, Liability, Short-term Lease Payments, Due Receipts related to noncontrolling interests Proceeds from Noncontrolling Interests Document Fiscal Year Focus Document Fiscal Year Focus Lennar’s Maximum Exposure to Loss Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Basis of Accounting Basis of Accounting, Policy [Policy Text Block] Doma Holdings, Inc Doma Holdings, Inc [Member] Doma Holdings, Inc Right-of-use assets Operating Lease, Right-of-Use Asset Number of communities with valuation adjustments Number of Communities Impaired Number of Communities Impaired Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Effective tax rate Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Rental expense Operating Lease, Cost Carrying Value Reported Value Measurement [Member] Rialto Funds and Investment Vehicles Rialto Funds and Investment Vehicles [Member] Rialto Funds and Investment Vehicles Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Equity [Abstract] Equity [Abstract] Line of Credit Facility, Accordion Feature Line of Credit Facility, Accordion Feature Line of Credit Facility, Accordion Feature Operating and Reporting Segments Segment Reporting Disclosure [Text Block] Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Selling, general and administrative Selling, General and Administrative Expense Total purchase price Stock Repurchased During Period, Value Loans Held For Sale, Fair Value Loans Held For Sale, Fair Value Loans Held For Sale, Fair Value Payments to Acquire Productive Assets Payments to Acquire Productive Assets Committed Committed [Member] Committed Movement in Standard Product Warranty Accrual [Roll Forward] Movement in Standard Product Warranty Accrual [Roll Forward] Entity Central Index Key Entity Central Index Key PEO Name PEO Name Purchases/loan originations Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases and Issuances Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases and Issuances Revenues Revenues Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Schedule of Changes in Equity Schedule of Stockholders Equity [Table Text Block] Unsecured revolving credit facility Revolving Credit Facility [Member] Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Adjustments to pre-existing warranties from changes in estimates Standard Product Warranty Accrual, Increase (Decrease) for Preexisting Warranties Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations [Member] Segments [Axis] Segments [Axis] 5.20% senior notes due 2030 Four Point Seven Five Percent Senior Notes Due Twenty Thirty [Member] Four Point Seven Five Percent Senior Notes Due Twenty Twenty Seven [Member] Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Class of Stock [Domain] Class of Stock [Domain] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Commercial Warehouse Repurchase Facility Due January 2027 Commercial Warehouse Repurchase Facility Due January 2027 [Member] Commercial Warehouse Repurchase Facility Due January 2027 Commitment to fund capital Commitment To Fund Capital [Member] Commitment To Fund Capital Obligations related to VIEs Variable Interest Entity, Nonconsolidated, Comparison of Carrying Amount of Assets and Liabilities to Maximum Loss Exposure ASSETS Assets [Abstract] Credit Facility [Axis] Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Other Commitments [Axis] Other Commitments [Axis] Finished homes and construction in progress, total losses, net Inventory Write-Down, Homes Under Construction and Finished Homes Inventory Write-Down, Homes Under Construction and Finished Homes Debt Instrument [Axis] Debt Instrument [Axis] Cash ad cash equivalents Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents Financial Instruments and Fair Value Disclosures Fair Value Disclosures [Text Block] Credit Facility [Domain] Credit Facility [Domain] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One Purchases of treasury stock Treasury Stock, Value, Acquired, Cost Method Accumulated Other Comprehensive Income AOCI Attributable to Parent [Member] Commitment Type [Axis] Commitment Type [Axis] Commitment Type Incurred interest rate Interest rate (percent) Debt Instrument, Interest Rate, Stated Percentage Investment, Name [Axis] Investment, Name [Axis] Rausch Coleman Homes Rausch Coleman Homes [Member] Rausch Coleman Homes Principal discount rate Debt Instrument, Principal Discount Rate Debt Instrument, Principal Discount Rate Equity commitments called Equity Method Investment, Total Equity Commitments Called During Period Equity Method Investment, Total Equity Commitments Called During Period Increase In Deposits And Pre-acquisition Costs On Real Estate Increase In Deposits And Pre-acquisition Costs On Real Estate Increase In Deposits And Pre-acquisition Costs On Real Estate Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Name of Property [Domain] Name of Property [Domain] SmartRent SmartRent [Member] SmartRent Depreciation and amortization Depreciation, Amortization and Accretion, Net Fair Value as of Grant Date Award Grant Date Fair Value Coupon rates Held to Maturity Securities, Coupon Rate Held to Maturity Securities, Coupon Rate Receivables, net Accounts Receivable, after Allowance for Credit Loss Entity Registrant Name Entity Registrant Name Weighted-average discount rate Lessee, Operating Lease, Discount Rate Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Disposal Group, Held-for-Sale, Not Discontinued Operations Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations, Spinoff Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations, Spinoff [Member] Schedule of Senior Notes and Other Debts Payable Schedule of Long-Term Debt Instruments [Table Text Block] Land Under Purchase Options Due to Maturing Contracts, Recorded Land Under Purchase Options Due to Maturing Contracts, Recorded Land Under Purchase Options Due to Maturing Contracts, Recorded Stockholders' Equity Note, Spinoff Transaction Stockholders' Equity Note, Spinoff Transaction Total costs and expenses Costs and Expenses Costs and Expenses Non-recourse debt with completion guarantees Equity Method Investment, Summarized Financial Information, Non-Recourse Debt with Completion Guarantees Unconsolidated entities non-recourse debt subject to completion guarantees. Document Quarterly Report Document Quarterly Report Deferred income tax expense Deferred Income Taxes and Tax Credits Revision of Prior Period [Domain] Revision of Prior Period [Domain] Schedule of Fair Value Inputs for Commercial Mortgage-Backed Securities Schedule of Unobservable Inputs Used in Discounted Cash Flow Model to Determine the Fair Value of Communities Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] Nonvested shares granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted Land Bank Land Bank [Member] Land Bank Equity securities without readily determinable fair values Equity Securities without Readily Determinable Fair Value, Amount 2028 Lessee, Operating Lease, Liability, to be Paid, Year Two Payments Standard Product Warranty Accrual, Decrease for Payments TPG Fund TPG Fund [Member] TPG Fund Mortgage servicing rights Servicing Asset at Fair Value, Amount Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Mortgage loan commitments Mortgage Loan Commitments [Member] Mortgage Loan Commitments [Member] Related Party [Axis] Related and Nonrelated Parties [Axis] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Restatement Determination Date: Restatement Determination Date [Axis] Non-PEO NEO Non-PEO NEO [Member] Letters of credit Letters of credit in lieu of cash deposits under certain land and option contracts Letters of Credit Outstanding, Amount 5.20% senior notes due 2030 Five Point Two Zero Percent Senior Notes Due Twenty Thirty [Member] Five Point Two Zero Percent Senior Notes Due Twenty Thirty Receipts related to noncontrolling interests Noncontrolling Interest, Increase from Subsidiary Equity Issuance Inventories: Inventory, Real Estate [Abstract] Payments related to other liabilities, net Proceeds from (Payment for) Other Financing Activity Commitment Type [Domain] Commitment Type [Domain] Commitment Type [Domain] Management Fee Management Service [Member] Land Land [Member] Name Trading Arrangement, Individual Name Increase (Decrease) in Consolidated Inventory, Not Owned, Recorded Increase (Decrease) in Consolidated Inventory, Not Owned, Recorded Increase (Decrease) in Consolidated Inventory, Not Owned, Recorded Non-cash impact of Millrose Properties, Inc. spin-off: Disposal Group, Including Discontinued Operation, Assets [Abstract] Investments in and Advances to Affiliates [Abstract] Award Type [Domain] Award Type [Domain] 2027 Lessee, Operating Lease, Liability, to be Paid, Year One Noncontrolling interests Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] Loans held for sale Loan, Held-for-Sale, Fair Value Disclosure Land and land under development Inventory, Real Estate, Land and Land Development Costs Home Real Estate, Other [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Compensation Amount Outstanding Recovery Compensation Amount Debt Instrument, Face Amount Debt Instrument, Face Amount Subsegments [Domain] Subsegments [Domain] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Fair Value Estimate of Fair Value Measurement [Member] Sunnova Sunnova Energy International Inc. [Member] Sunnova Energy International Inc. 4.75% senior notes due 2027 Four Point Seven Five Zero Senior Notes Due Two Thousand Twenty Seven [Member] Four Point Seven Five Zero Senior Notes Due Two Thousand Twenty Seven MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Cash and cash equivalents held in escrow Escrow Deposit Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Revenues [Abstract] Revenues [Abstract] Performance letters of credit Performance Letters Of Credit [Member] Performance Letters of Credit [Member] Treasury stock at cost Treasury Stock, Value Consolidated inventory not owned, not recorded Land under Purchase Options, Not Recorded Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Gain (Loss) on Disposition of Intangible Assets Gain (Loss) on Disposition of Intangible Assets Financial Instruments [Domain] Financial Instruments [Domain] South Central Homebuilding Texas [Member] Homebuilding Texas [Member] Segments [Domain] Segments [Domain] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Write Off of non public technology Write Off Of Intangible Asset Write Off Of Intangible Asset Anticipated future costs primarily for site improvements related to performance surety bonds Anticipated Future Costs Related to Site Improvements Related to Performance Surety Bonds [Member] Anticipated Future Costs Related to Site Improvements Related to Performance Surety Bonds [Member] Increase in inventories, excluding valuation adjustments Increase (Decrease) in Inventories Land and land under development, total losses, net Inventory Write-down, Real Estate Land and Land Development Costs Inventory Write-down, Real Estate Land and Land Development Costs Minimum Minimum [Member] Impairment charges for CMBS securities Other-than-temporary Impairment Loss, Debt Securities, Held-to-Maturity, before Tax Other assets Disposal Group, Including Discontinued Operation, Other Assets Company Selected Measure Name Company Selected Measure Name Fair Value Measurement [Domain] Fair Value Measurement [Domain] Proceeds from Sales of Assets, Investing Activities Proceeds from Sales of Assets, Investing Activities Senior Notes Senior Notes [Member] Cash and cash equivalents held in escrow, deposit period Escrow Deposit Period Escrow Deposit Period Homebuilding Senior Notes and Other Debts Payable Debt Disclosure [Text Block] Preferred stock Preferred Stock, Value, Issued Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Warranties issued Standard Product Warranty Accrual, Increase for Warranties Issued Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Numerator for diluted earnings per share Net Income (Loss) Available to Common Stockholders, Diluted All Executive Categories All Executive Categories [Member] Text Block [Abstract] 5.00% senior notes due 2027 Five Point Zero Zero Percent Senior Notes Due Twenty Twenty Seven [Member] Five Point Zero Zero Percent Senior Notes Due Twenty Twenty Seven [Member] Redemption/repurchases of senior notes Redemption of senior notes Repayments of Senior Debt Common stock Common Stock, Value, Issued Less: undistributed earnings allocated to nonvested shares Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Segment Reporting, as if Old Segmentation Basis [Axis] Segment Reporting, as if Old Segmentation Basis [Axis] Commitments and Contingent Liabilities Commitments and Contingencies Disclosure [Text Block] Residential loans held-for-sale Residential Loans Held For Sale [Member] Residential Loans Held For Sale Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Denominator for diluted earnings per share-weighted average common shares outstanding (shares) Weighted Average Number of Shares Outstanding, Diluted Financial Support to Nonconsolidated Legal Entity [Axis] Financial Support to Nonconsolidated Legal Entity [Axis] Lennar's equity commitments called Equity Method Investment, Equity Commitments Called During the Period Equity Method Investment, Equity Commitments Called During the Period Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Entity Small Business Entity Small Business Percentage of ownership interest after disposal (percent) Discontinued Operation, Equity Method Investment Retained after Disposal, Ownership Interest after Disposal Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Ancillary costs and expenses Other Cost and Expense, Operating Noncontrolling Interests Noncontrolling Interest [Member] Document Transition Report Document Transition Report Unconsolidated entities ownership percentage Equity Method Investment, Ownership Percentage Underlying Securities Award Underlying Securities Amount Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Income Taxes Income Tax Disclosure [Text Block] Non-cash purchase or activity of noncontrolling interests, net Noncontrolling Interest, Other Non-Cash Activity Noncontrolling Interest, Other Non-Cash Activity Loans held-for-sale unrealized losses Unrealized Gain (Loss) on Financing Receivables, Held-for-sale Unrealized Gain (Loss) on Financing Receivables, Held-for-sale 4.50% senior notes due 2024 Four Point Five Zero Zero Percent Senior Notes Due Two Thousand Twenty Four [Member] Four Point Five Zero Zero Percent Senior Notes Due Two Thousand Twenty Four [Member] Financing Agreement to Purchase Commercial Mortgage Backed Securities Financing Agreement to Purchase Commercial Mortgage Backed Securities [Member] Financing Agreement to Purchase Commercial Mortgage Backed Securities [Member] Net borrowings under revolving credit facility Proceeds from Lines of Credit Common Class A Common Class A [Member] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Notes and other debts payable Debt Instrument, Fair Value Disclosure Uncommitted Uncommitted [Member] Uncommitted Scenario [Axis] Scenario [Axis] Total equity Balance, beginning Balance, ending Equity, Including Portion Attributable to Noncontrolling Interest Amortization of discount/premium and accretion on debt, net Amortization of Debt Discount (Premium) Inventory, Real Estate, Homebuilding Deposits and Pre-Acquisition Costs Inventory, Real Estate, Homebuilding Deposits and Pre-Acquisition Costs Inventory, Real Estate, Homebuilding Deposits and Pre-Acquisition Costs Inventories Disposal Group, Including Discontinued Operation, Inventory Document Type Document Type Equity Method Investments, Fair Value Disclosure Equity Method Investments, Fair Value Disclosure Level 3 Fair Value, Inputs, Level 3 [Member] Earnings Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Loss Contingencies [Table] Loss Contingencies [Table] Additional paid-in capital Additional Paid in Capital Product and Service [Axis] Product and Service [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Asset Acquisition [Domain] Asset Acquisition [Domain] Fund ownership percentage Fund Investment, Ownership Percentage Fund Investment, Ownership Percentage All Individuals All Individuals [Member] Number of Communities with potential indicator of impairment Number of Communities Assessed for Impairment Number of Communities Assessed for Impairment Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Non-cash sale of investments in unconsolidated entities Non Cash Sales of Unconsolidated Entities Non Cash Sales of Unconsolidated Entities Decrease in receivables Increase (Decrease) in Receivables Net additions of operating properties and equipment Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Sold Proceeds from Sale, Loan, Held-for-Sale Statistical Measurement [Axis] Statistical Measurement [Axis] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] East Homebuilding East [Member] Homebuilding East [Member] Cash deposits Disposal Group, Including Discontinued Operation, Option Deposits Disposal Group, Including Discontinued Operation, Option Deposits Common stock: Proceeds from (Repurchase of) Equity [Abstract] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Loan origination liabilities Loss Contingency Accrual Gain on sale of investments in unconsolidated entities and other Gain on sales of investment Equity Method Investment, Realized Gain (Loss) on Disposal Mortgage servicing rights Servicing Contracts [Member] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Disposal Group Name [Axis] Disposal Group Name [Axis] Unconsolidated Entities Equity Method Investee [Member] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Homesite Takedown Homesite Takedown [Member] Homesite Takedown Numerator for basic and diluted earnings per share Net Income (Loss) Available to Common Stockholders, Basic Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Total other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Originations Payments for Origination of Loans Receivable Payments for Origination of Loans Receivable Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Deposits and pre-acquisition costs on real estate Deposits And Pre-Acquisition Costs Deposits And Pre-Acquisition Costs Residential Commercial Portfolio Segment [Member] Other revenues Other Revenue [Member] Other Revenue Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Lennar Multifamily Fund Lennar Multifamily Fund [Member] Lennar Multifamily Fund Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Level 1 Fair Value, Inputs, Level 1 [Member] Gain (Loss) on Disposition of Assets Gain (Loss) on Disposition of Assets Residential Warehouse Repurchase Facility Due September 2026 Residential Warehouse Repurchase Facility Due September 2026 [Member] Residential Warehouse Repurchase Facility Due September 2026 Residential Warehouse Repurchase Facility Due March 2027 Residential Warehouse Repurchase Facility Due March 2027 [Member] Residential Warehouse Repurchase Facility Due March 2027 Diluted earnings per share (in dollars per share) Earnings Per Share, Diluted Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Title of 12(b) Security Title of 12(b) Security Number of Projects Number of Projects Number of Projects Supplemental disclosures of non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Payments for liabilities related to consolidated inventory not owned Payments for Turn of Inventory Not Owned, Financing Activities Payments for Turn of Inventory Not Owned, Financing Activities Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Accounts payable Accounts Payable Disposal Group, Including Discontinued Operation, Real Estate Option Contracts Disposal Group, Including Discontinued Operation, Real Estate Option Contracts Disposal Group, Including Discontinued Operation, Real Estate Option Contracts Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items] Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items] Liabilities related to consolidated inventory not owned Liabilities related to consolidated inventory not owned Liabilities for Land Under Purchase Options, Recorded Liabilities for Land Under Purchase Options, Recorded Investments in equity securities Equity Securities, FV-NI and without Readily Determinable Fair Value Treasury stock, shares Treasury Stock, Common, Shares Earnings per share: Earnings Per Share [Abstract] Other income, net and other gains, net Nonoperating Income (Expense) Consolidation Items [Domain] Consolidation Items [Domain] Distributions of capital from unconsolidated entities Proceeds from Equity Method Investment, Distribution, Return of Capital Variable Interest Entity, Not Primary Beneficiary Variable Interest Entity, Not Primary Beneficiary [Member] Debt matured Debt Instrument, Matured, Amount Debt Instrument, Matured, Amount Investments in Unconsolidated Entities Equity Method Investments and Joint Ventures Disclosure [Text Block] Gross profit from sales of homes Gross Profit Loans Held For Sale, Net Loans Held For Sale, Net Loans Held For Sale, Net Residential facilities Residential Warehouse Repurchase Facility Due [Member] Residential Warehouse Repurchase Facility Due [Member] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Short-term Debt, Type [Axis] Short-Term Debt, Type [Axis] Decrease in liabilities related to inventory not owned Increase (Decrease) in Liabilities Related To Consolidated Inventory , Not Owned, Recorded Increase (Decrease) in Liabilities Related To Consolidated Inventory , Not Owned, Recorded Less: Interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less: distributed earnings allocated to nonvested shares Preferred Stock Dividends and Other Adjustments Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Lennar's remaining commitments (1) Equity Method Investment, Remaining Equity Commitment Equity Method Investment, Remaining Equity Commitment Scenario, Plan Scenario, Plan [Member] Inventory owned and consolidated inventory not owned Inventory owned and consolidated inventory not owned Inventory, Operative Builders Inventory owned Inventory Owned Inventory Owned Award Timing Disclosures [Line Items] Finished homes and construction in progress, fair value Inventory, Homes under Construction and Finished Homes, Fair Value Measurement Adjustments, After Impairment Inventory, Homes under Construction and Finished Homes, Fair Value Measurement Adjustments, After Impairment Multifamily Lennar Multifamily [Member] Lennar Multifamily [Member] Measurement Frequency [Domain] Measurement Frequency [Domain] Total future minimum lease payments Lessee, Operating Lease, Liability, to be Paid Net unrealized gains (losses) on securities available-for-sale Changes in fair value included in other comprehensive income (loss), net of tax OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Table] Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Table] Stockholders' Equity Equity [Text Block] Payments related to noncontrolling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Net earnings attributable to Lennar Net earnings attributable to Lennar Net Income (Loss) Attributable to Parent Expiration Date Trading Arrangement Expiration Date Other Commitments [Domain] Other Commitments [Domain] Opendoor Opendoor [Member] Opendoor Proceeds from sale of loan receivables Proceeds from Collection of Loans Receivable Stockholders' equity: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Leased Unused Office Space Leased Unused Office Space [Member] Leased Unused Office Space Variable Interest Entity, Not Primary Beneficiary Including Third Parties Variable Interest Entity, Not Primary Beneficiary Including Third Parties [Member] Variable Interest Entity, Not Primary Beneficiary Including Third Parties [Member] Investments in Unconsolidated Entities Equity Method Investments [Table Text Block] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Repurchases Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Land and land under development, fair value Inventory, Real Estate, Land and Land Development Costs, Fair Value Measurement Adjustments, After Impairment Inventory, Real Estate, Land and Land Development Costs, Fair Value Measurement Adjustments, After Impairment Entity Current Reporting Status Entity Current Reporting Status Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Consolidated Entities [Domain] Consolidated Entities [Domain] Variable lease costs Lessee, Operating Lease, Liability, Variable Lease Payments, Due Lessee, Operating Lease, Liability, Variable Lease Payments, Due Retained earnings Retained Earnings (Accumulated Deficit) Name of Property [Axis] Name of Property [Axis] Commercial Residential Portfolio Segment [Member] Gains on sale of operating properties and equipment and other assets Gain (Loss) on Disposition of Property Plant Equipment Financial Instrument [Axis] Financial Instrument [Axis] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Current Fiscal Year End Date Current Fiscal Year End Date Class of Stock [Axis] Class of Stock [Axis] Finished homes and construction in progress, carrying value Inventory, Homes under Construction and Finished Homes, Fair Value Measurement Adjustments, Before Impairment Inventory, Homes under Construction and Finished Homes, Fair Value Measurement Adjustments, Before Impairment Residential Warehouse Repurchase Facility Residential Warehouse Repurchase Facility [Member] Residential Warehouse Repurchase Facility Subsequent Event Type [Domain] Subsequent Event Type [Domain] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Schedule of Loans Held for Sale Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Investments held-to-maturity Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss Statement [Table] Statement [Table] Land Disposal Group, Including Discontinued Operation, Land Disposal Group, Including Discontinued Operation, Intangible Assets, Land Adjustments to reconcile net earnings to net cash used in operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Residential Warehouse Repurchase Facility Due December 2026 Residential Warehouse Repurchase Facility Due December 2026 [Member] Residential Warehouse Repurchase Facility Due December 2026 Segment Reporting, as if Old Segmentation Basis [Domain] Segment Reporting, as if Old Segmentation Basis [Domain] Distributions of earnings from unconsolidated entities Distributions of earnings from unconsolidated entities Proceeds from Equity Method Investment, Distribution Accordion feature Line of Credit Facility, Accordion Feature, Increase Limit Line of Credit Facility, Accordion Feature, Increase Limit Fair Value Measured On Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Proceeds from maturities/sales of investment securities Proceeds from Sale and Maturity of Marketable Securities Investments in equity securities Equity Securities, FV-NI, Current Financial Support to Nonconsolidated Legal Entity [Domain] Financial Support to Nonconsolidated Legal Entity [Domain] Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Increase in homesite under options Increase (Decrease) in Land Under Purchase Options, Not Owned, Recorded Increase (Decrease) in Land Under Purchase Options, Not Owned, Recorded Options to purchase outstanding and anti-dilutive shares (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Denominator: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Reconciliation Of Beginning And Ending Balance For The Company's Level 3 Recurring Fair Value Measurements Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] All Adjustments to Compensation All Adjustments to Compensation [Member] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Underlying equity in unconsolidated partners' net assets Equity Method Investment, Underlying Equity in Net Assets Amendment Flag Amendment Flag Termination Date Trading Arrangement Termination Date Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Securitizations Number of Securitization Transactions Number of Securitization Transactions Measure: Measure [Axis] Central Homebuilding Central [Member] Homebuilding Central [Member] Delayed Draw Term Loan Facility Delayed Draw Term Loan Facility [Member] Delayed Draw Term Loan Facility Average share price of shares repurchased (in dollars per share) Shares Repurchased, Average Price Per Share Shares Repurchased, Average Price Per Share Subsegments Consolidation Items [Axis] Subsegments Consolidation Items [Axis] Investments in Unconsolidated VIEs Net Assets Equity Commitments Equity Commitments [Member] Equity Commitments [Member] Denominator for basic earnings per share-weighted average common shares outstanding (shares) Weighted Average Number of Shares Outstanding, Basic General Contractor Services General Contractor [Member] Valuation adjustments Inventory Write-down Share Repurchase Program, Remaining Authorized, Amount Share Repurchase Program, Remaining Authorized, Amount Cost of revenue Cost of Product and Service Sold Principal redeemed Debt Instrument, Principal Amount Redeemed Debt Instrument, Principal Amount Redeemed Schedule of Calculation of Numerator and Denominator In Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Additional Information About Leases Assets And Liabilities, Lessee [Table Text Block] Assets And Liabilities, Lessee [Table Text Block] Retained earnings Disposal Group, Including Discontinued Operation, Retained Earnings Disposal Group, Including Discontinued Operation, Retained Earnings Segment Reporting [Abstract] Segment Reporting [Abstract] Line of Credit Facility, Increase In Borrowing Capacity Line of Credit Facility, Increase In Borrowing Capacity Line of Credit Facility, Increase In Borrowing Capacity Cost and expenses Cost of Revenue Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Entity Tax Identification Number Entity Tax Identification Number Scenario [Domain] Scenario [Domain] Proceeds from sale of investments in unconsolidated joint venture Proceeds from Sale of Equity Method Investments Cost and expenses: Costs and Expenses [Abstract] Asset Acquisition [Axis] Asset Acquisition [Axis] Estimated Maximum Exposure To Loss Schedule of Variable Interest Entities [Table Text Block] Number of Real Estate Properties Number of Real Estate Properties Percentage of ownership interest sold (percent) Disposal Group, Percentage of Ownership Interest Sold Disposal Group, Percentage of Ownership Interest Sold Loans held-for-sale LMF Commercial loans held-for-sale Loans Held For Sale [Member] Loans Held-For-Sale [Member] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Decrease related consolidated inventory not owned Increase (Decrease) in Related To Consolidated Inventory , Not Owned, Recorded Increase (Decrease) in Related To Consolidated Inventory , Not Owned, Recorded Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Consolidated Entities [Axis] Consolidated Entities [Axis] Common stock, shares issued Common Stock, Shares, Issued Non-refundable option deposits included in consolidated inventory not owned Non-refundable Option Deposits Included In Consolidated Inventory Not Owned Non-refundable Option Deposits Included In Consolidated Inventory Not Owned Accounts payable and other liabilities Liabilities, Excluding Long Term Debt Liabilities, Excluding Long Term Debt Weighted-average remaining lease term (in years) Operating Lease, Weighted Average Remaining Lease Term CMBS Commercial Mortgage-Backed Securities [Member] Impairment of Real Estate Impairment of Real Estate Use of Estimates Use of Estimates, Policy [Policy Text Block] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Axis] Disposals/settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount LMV I Lennar Multifamily Venture [Member] Lennar Multifamily Venture Contingencies Loss Contingencies [Line Items] Real Estate, Type of Property [Axis] Real Estate, Type of Property [Axis] Aggregate fair value of loans (below) in excess of principal balance Fair Value, Option, Aggregate Differences, Loans and Long-Term Receivables Insider Trading Arrangements [Line Items] Corporate and Unallocated Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Security Exchange Name Security Exchange Name Equity Securities Equity Securities [Member] Total liabilities Total liabilities Liabilities Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Maximum borrowing capacity Maximum borrowings Line of Credit Facility, Maximum Borrowing Capacity Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Shares repurchased during period (in shares) Stock Repurchased During Period, Shares Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Asset Class [Domain] Asset Class [Domain] Decrease in Financial Services loans held-for-investment Payments for (Proceeds from) Loans and Leases Homebuilding: Lennar Homebuilding and Lennar Multifamily: [Abstract] Lennar Homebuilding and Lennar Multifamily: [Abstract] Changes in fair value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Schedule Of Gains And Losses Of Financial Instruments Measured on a Recurring Basis Fair Value, Assets And Liabilities Measured On Recurring Basis, Changes in Fair Value [Table Text Block] Fair Value, Assets And Liabilities Measured On Recurring Basis, Changes in Fair Value [Table Text Block] Statement [Line Items] Statement [Line Items] Consolidation Items [Axis] Consolidation Items [Axis] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalent Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Counterparty Name [Axis] Counterparty Name [Axis] Common Stock Common Stock [Member] Employee stock and directors plans Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures and Treasury Stock Retired Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures and Treasury Stock Retired Investments available-for-sale Debt Securities, Available-for-Sale Lennar Homebuilding and Lennar Multifamily Lennar Multifamily and Lennar Homebuilding East, Central, West, Houston, and Other [Member] Lennar Multifamily and Lennar Homebuilding East, Central, West, Houston, and Other [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Principal payments on notes payable and other borrowings Repayments of Mortgage and Other Debts Repayments of Mortgage and Other Debts Valuation adjustments and write-offs of option deposits and pre-acquisition costs on real estate, and other assets Valuation Adjustments and Write-offs of Option Deposits, Pre-acquisitions Costs, and Other Assets Valuation Adjustments and Write-offs of Option Deposits, Pre-acquisitions Costs, and Other Assets Net decrease in cash and cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Thereafter Lessee, Operating Lease, Liability, Payments Due after Year Four Lessee, Operating Lease, Liability, Payments Due after Year Four