Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Lennar Multifamily Lennar Multifamily [Member] Lennar Multifamily [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Financial Letters of Credit Financial Letters Of Credit [Member] Financial Letters of Credit [Member] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Unconsolidated entities Equity Method Investee [Member] Investment [Axis] Investment [Axis] Investment [Domain] Investment [Domain] Lennar Multifamily Venture Lennar Multifamily Venture [Member] Lennar Multifamily Venture Variable Interest Entities [Axis] Variable Interest Entities [Axis] Variable Interest Entity, Classification [Domain] Variable Interest Entity, Classification [Domain] Variable Interest Entity, Not Primary Beneficiary Variable Interest Entity, Not Primary Beneficiary [Member] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Equity Commitments Equity Commitments [Member] Equity Commitments [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Letters of credit outstanding Letters of Credit Outstanding, Amount 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. Fee income Management Fees Revenue General contractor revenue General Contractor Revenue General contractor costs General Contractor Costs Additional equity commitments during period Equity Method Investment, Summarized Financial Information, Total Equity Commitments Increase (Decrease) Equity Method Investment, Summarized Financial Information, Total Equity Commitments Increase (Decrease) Total equity commitments Equity Method Investment Summarized Financial Information, Total Equity Commitments Equity Method Investment Summarized Financial Information, Total Equity Commitments Equity commitments Equity Method Investment, Equity Commitments Equity Method Investment, Equity Commitments Equity commitments called Equity Method Investment Summarized Financial Information, Equity Commitments Called Equity Method Investment Summarized Financial Information, Equity Commitments Called Funds contributed by the company Equity Method Investment, Aggregate Cost Obligations related to VIEs Variable Interest Entity, Nonconsolidated, Comparison of Carrying Amount of Assets and Liabilities to Maximum Loss Exposure Equity commitments called during period Equity Method Investment Summarized Financial Information, Equity Commitments Called During Period Equity Method Investment Summarized Financial Information, Equity Commitments Called During Period Equity commitment called Equity Method Investment, Equity Commitments Called During the Period Equity Method Investment, Equity Commitments Called During the Period Distributions of capital from unconsolidated entities Proceeds from Equity Method Investment, Dividends or Distributions, Return of Capital Investments in unconsolidated entities Equity Method Investments Equity Method Investments and Joint Ventures [Abstract] Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Lennar Homebuilding Lennar Homebuilding East, Central, West, Houston, and Other [Member] Lennar Homebuilding [member] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Non-recourse bank debt and other debt (partner’s share of several recourse) Equity Method Investment, Summarized Financial Information, Non-Recourse Bank Debt and Other Unconsolidated entities non-recourse bank debt and other debt including partner's share of several recourse. Non-recourse land seller debt and other debt Equity Method Investment, Summarized Financial Information, Non-Recourse Land Seller Debt and Other Unconsolidated entities non-recourse land seller debt and other debt. Non-recourse debt without completion guarantees Equity Method Investment, Summarized Financial Information, Non-Recourse Debt without Completion Guarantees Unconsolidated entities non-recourse debt without completion guarantees. Non-recourse debt to the Company Equity Method Investment, Summarized Financial Information, Non-Recourse Debt Equity Method Investment, Summarized Financial Information, Non-Recourse Debt The Company’s maximum recourse exposure Variable Interest Entity, Reporting Entity Involvement, Maximum Recourse Exposure The entity's maximum exposure related to indebtedness of unconsolidated entities. Total debt Equity Method Investment, Summarized Financial Information, Debt The amount of debt reported on a combined 100% basis related to unconsolidated entities accounted for by the equity method. The Company’s maximum recourse exposure as a % of total JV debt Equity Method Investment, Maximum Recourse Exposure As A Percentage Of Total Investment Debt Equity Method Investment, Maximum Recourse Exposure As A Percentage Of Total Investment Debt Lennar Financial Services Lennar Financial Services [Member] Lennar Financial Services [Member] Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Loss origination liability Representation and Warranty Liability [Member] Representation and Warranty Liability [Member] Loss Contingency Accrual [Roll Forward] Loss Contingency Accrual [Roll Forward] Loan origination liabilities, beginning of period Loss Contingency Accrual Provision for losses Loss Contingency Accrual, Provision Payments/settlements Loss Contingency Accrual, Payments Loan origination liabilities, end of period Equity Method Investments Equity Method Investments [Table Text Block] Lennar Homebuilding Investments in Unconsolidated Entities Equity Method Investments and Joint Ventures Disclosure [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Nonvested shares Restricted Stock [Member] Stock options Employee Stock Option [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Compensation expense for share-based awards Allocated Share-based Compensation Expense Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] Southeast Florida Southeast Florida [Member] Southeast Florida [Member] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Operating Segments Operating Segments [Member] Homebuilding Other Segment Reconciling Items [Member] Corporate and unallocated Corporate, Non-Segment [Member] Homebuilding East Homebuilding East [Member] Homebuilding East [Member] Homebuilding Central Homebuilding Central [Member] Homebuilding Central [Member] Homebuilding West Homebuilding West [Member] Homebuilding West [Member] Homebuilding Houston Homebuilding Houston [Member] Homebuilding Houston [Member] Rialto Rialto Investments [Member] Rialto Investments [Member] Number of operating segments Number of Operating Segments Assets Assets Revenues Revenues Operating earnings (loss): Operating Income (Loss) [Abstract] Operating earnings Operating Income (Loss) Corporate general and administrative expenses General and Administrative Expense Earnings before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Sales incentives Sales Incentives Discounts or credits given to homebuyers towards the purchase of the home, the lot premium or options. Sales incentives are a deduction from home sales base price in arriving to home sales revenue. Sales incentives per home delivered (in dollars per home) Sales Incentives Per Home Delivered Sales Incentives Per Home Delivered Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Senior Notes Senior Notes [Member] Unsecured revolving credit facility Revolving Credit Facility [Member] Letter of Credit Letter of Credit [Member] Performance Letters of Credit Performance Letters Of Credit [Member] Performance Letters of Credit [Member] Surety Bond Surety Bond [Member] Litigation Status [Axis] Litigation Status [Axis] Litigation Status [Domain] Litigation Status [Domain] Pending Litigation Pending Litigation [Member] Litigation Case [Axis] Litigation Case [Axis] Litigation Case [Domain] Litigation Case [Domain] District of Maryland District of Maryland [Member] District of Maryland [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Credit Facility Due in June 2019 Credit Facility Due in June 2019 [Member] Credit Facility Due in June 2019 [Member] Credit Facility Due in June 2020 Credit Facility Due in June 2020 [Member] Credit Facility Due in June 2020 [Member] Credit Facility Due in June 2018 Credit Facility Due in June 2018 [Member] Credit Facility Due in June 2018 [Member] 4.750% senior notes due 2021 Four Point Seven Five Zero Percent Senior Notes Due Two Thousand Twenty One [Member] Four Point Seven Five Zero Percent Senior Notes Due Two Thousand Twenty One 6.50% senior notes due 2016 Six Point Five Zero Percent Senior Notes Due Two Thousand Sixteen [Member] Six Point Five Zero Percent Senior Notes Due Two Thousand Sixteen 3.25% convertible senior notes due 2021 Three Point Two Five Percent Convertible Senior Notes Due Two Thousand Twenty One [Member] Three Point Two Five Percent Convertible Senior Notes Due Two Thousand Twenty One [Member] 2.75% convertible senior notes due 2020 Two Point Seven Five Percent Convertible Senior Notes Due Two Thousand Twenty [Member] Two Point Seven Five Percent Convertible Senior Notes Due Two Thousand Twenty [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Debt issuance cost Debt Issuance Costs, Net Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Accordion feature Line of Credit Facility, Accordion Feature, Increase Limit Line of Credit Facility, Accordion Feature, Increase Limit Outstanding performance and surety bonds Guarantor Obligations, Maximum Exposure, Undiscounted Uncompleted site improvements amount Construction and Development, Estimated Remaining Costs to Complete Construction and Development, Estimated Remaining Costs to Complete Uncompleted site improvements percent Construction and Development, Remaining Costs to Complete, Percent Construction and Development, Remaining Costs to Complete, Percent Debt principal amount Debt Instrument, Face Amount Interest rate Debt Instrument, Interest Rate, Stated Percentage Debt proceeds as a percentage of face value Debt Instrument, Proceeds as a Percentage of Face Value Debt Instrument, Proceeds as a Percentage of Face Value Net proceeds from debt Proceeds from Debt, Net of Issuance Costs Convertible debt instrument, conversion ratio Debt Instrument, Convertible, Conversion Ratio Convertible debt instrument, number of equity Instruments Debt Instrument, Convertible, Number of Equity Instruments Debt instrument, convertible, conversion price (in dollars per share) Debt Instrument, Convertible, Conversion Price Conversion of debt to equity, amount Debt Conversion, Converted Instrument, Amount Conversion of debt to equity, shares Debt Conversion, Converted Instrument, Shares Issued Outstanding principal on long-term debt Long-term Debt, Gross Long-term debt outstanding Long-term Debt Shares included in the calculation of diluted earnings per share Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Debt conversion, original debt Debt Conversion, Original Debt, Amount Repayments on convertible notes Repayments of Convertible Debt Guarantee by subsidiaries Guarantor Obligations, Minimum Requirement for Subsidiaries Guarantor Obligations, Minimum Requirement for Subsidiaries Organization, Consolidation and Presentation of Financial Statements [Abstract] Obligations to make capital contributions to VIEs Variable Interest Entities Variable Interest Entity Disclosure [Text Block] Assets: Assets [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Land under development Inventory, Real Estate, Land and Land Development Costs Consolidated inventory not owned Land under Purchase Options, Recorded Other assets Other Assets Total assets Liabilities: Liabilities [Abstract] Accounts payable and other liabilities Accounts Payable and Other Accrued Liabilities Liabilities related to consolidated inventory not owned Liabilities for Land Under Purchase Options, Recorded Liabilities for Land Under Purchase Options, Recorded Total liabilities Liabilities Statement of Cash Flows [Abstract] Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net earnings (including net earnings attributable to noncontrolling interests) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Adjustments to reconcile net earnings to net cash used in operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Amortization and Accretion, Net Amortization of discount/premium and accretion on debt, net Amortization of Debt Discount (Premium) Equity in earnings from unconsolidated entities Income (Loss) from Equity Method Investments Distributions of earnings from unconsolidated entities Proceeds from Equity Method Investment, Dividends or Distributions Share-based compensation expense Share-based Compensation Excess tax benefits from share-based awards Excess Tax Benefit from Share-based Compensation, Operating Activities Deferred income tax expense Deferred Income Taxes and Tax Credits Loss (gain) on retirement of debt and notes payable Gain (Loss) on Extinguishment of Debt Gain on sale of operating property and equipment Gain (Loss) on Disposition of Property Plant Equipment Unrealized and realized gains on real estate owned Gains (Losses) on Sales of Other Real Estate Impairments of loans receivable and real estate owned Impairment of Loans Receivable and Real Estate Owned Impairment of Loans Receivable and Real Estate Owned Valuation adjustments and write-offs of option deposits and pre-acquisition costs 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 Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Decrease in restricted cash Increase (Decrease) in Restricted Cash for Operating Activities Decrease in receivables Increase (Decrease) in Receivables Increase in inventories, excluding valuation adjustments and write-offs of option deposits and pre-acquisition costs Increase (Decrease) in Inventories Increase in other assets Increase (Decrease) in Other Operating Assets Decrease (increase) in loans held-for-sale Increase (Decrease) in Loans Held-for-sale (Decrease) increase in accounts payable and other liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Increase in restricted cash related to LOCs Increase (Decrease) in Restricted Cash Net additions of operating properties and equipment Payments to Acquire Property, Plant, and Equipment Proceeds from the sale of operating properties and equipment Proceeds from Sale of Property, Plant, and Equipment Investments in and contributions to unconsolidated entities Payments to Acquire Equity Method Investments Distributions of capital from unconsolidated entities Proceeds from sales of real estate owned Proceeds from Sale of Foreclosed Assets Improvements to real estate owned Payments to Develop Real Estate Assets Receipts of principal payments on loans receivable and other Proceeds from Collection of Loans Receivable Originations of loans receivable Payments for Origination of Loans Receivable Payments for Origination of Loans Receivable Purchase of investment carried at cost Payments to Acquire Cost Method Investments Payments to Acquire Cost Method Investments Purchases of commercial mortgage-backed securities bonds Payments to Acquire Mortgage Backed Securities (MBS) categorized as Held-to-maturity Acquisition, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Purchases of Lennar Homebuilding investments available-for-sale Payments to Acquire Available-for-sale Securities Decrease (increase) in Lennar Financial Services loans held-for-investment, net Payments for (Proceeds from) Loans and Leases Purchases of Lennar Financial Services investment securities Payments to Acquire Marketable Securities Proceeds from maturities/sales of Lennar Financial Services investments securities Proceeds from Sale, Maturity and Collection of Investments Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Net borrowings under unsecured revolving credit facility Proceeds from Long-term Lines of Credit Net (repayments) borrowings under warehouse facilities Proceeds from (Repayments of) Lines of Credit Proceeds from senior notes Proceeds from Issuance of Senior Long-term Debt Debt issuance costs Payments of Debt Issuance Costs Redemption of senior notes Repayments of Senior Debt Conversions and exchanges on convertible senior notes Principal payments on Rialto notes payable including structured notes Repayments of Debt Proceeds from other borrowings Proceeds from Other Debt Principal payments on other borrowings Repayments of Other Debt Receipts related to noncontrolling interests Proceeds from Noncontrolling Interests Payments related to noncontrolling interests Payments to Noncontrolling Interests Excess tax benefits from share-based awards Excess Tax Benefit from Share-based Compensation, Financing Activities Common stock: Proceeds from (Repurchase of) Equity [Abstract] Issuances Proceeds from Issuance of Common Stock Repurchases Payments for Repurchase of Common Stock Dividends Payments of Ordinary Dividends, Common Stock Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Net decrease in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Summary of cash and cash equivalents: Cash and Cash Equivalents [Abstract] Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Supplemental disclosures of non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Lennar Homebuilding and Lennar Multifamily: Lennar Homebuilding and Lennar Multifamily: [Abstract] Lennar Homebuilding and Lennar Multifamily: [Abstract] Non-cash distributions from unconsolidated entities Noncash or Part Noncash Distribution, Amount Noncash or Part Noncash Distribution, Amount Conversion of convertible senior notes to equity Inventory acquired in satisfaction of other assets including investments available-for-sale Inventory Acquired In Satisfaction Of Other Assets, Including Investments Available-For-Sale Inventory Acquired In Satisfaction Of Other Assets, Including Investments Available-For-Sale Non-cash sale of operating properties and equipment Noncash Sale of Operating Property and Equipment Noncash Sale of Operating Property and Equipment Purchases of inventories and other assets financed by sellers Noncash Purchase of Inventories and Other Assets Noncash Purchase of Inventories and Other Assets 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. Rialto: Rialto Investments Segment [Abstract] Rialto Investments Segment [Abstract] Real estate owned acquired in satisfaction/partial satisfaction of loans receivable Real Estate Owned, Transfer to Real Estate Owned Consolidation/deconsolidation of unconsolidated/consolidated entities, net: Consolidations Deconsolidations Of Newly Formed Or Previously Unconsolidated Consolidated Entities Net Abstract Consolidations/deconsolidations of newly formed or previously unconsolidated/consolidated entities Inventories Noncash Consolidation (Deconsolidation), Inventory Noncash Consolidation (Deconsolidation), Inventory Operating properties and equipment and other assets Noncash Consolidation (Deconsolidation), Property Plant and Equipment and Other Assets Noncash Consolidation (Deconsolidation), Property Plant and Equipment and Other Assets Investments in unconsolidated entities Noncash Consolidation (Deconsolidation), Equity Method Investments Noncash Consolidation (Deconsolidation), Equity Method Investments Liabilities related to consolidated inventory not owned Noncash Consolidation (Deconsolidation), Liabilities Related to Consolidated Inventory Not Owned Noncash Consolidation (Deconsolidation), Liabilities Related to Consolidated Inventory Not Owned Other liabilities Noncash Consolidation (Deconsolidation), Other Liabilities Noncash Consolidation (Deconsolidation), Other Liabilities Noncontrolling interests Noncash Consolidation (Deconsolidation), Noncontrolling interests Noncash Consolidation (Deconsolidation), Noncontrolling interests Investment, Name [Axis] Investment, Name [Axis] Investment, Name [Domain] Investment, Name [Domain] Rialto Real Estate Fund, LP Real Estate Investment Fund, LP [Member] Rialto Real Estate Fund, LP Rialto Real Estate Fund II, LP Rialto Real Estate Fund II, LP [Member] Rialto Real Estate Fund II, LP Rialto Mezzanine Partners Fund, LP Rialto Mezzanine Partners Fund, LP [Member] Rialto Mezzanine Partners Fund, LP Rialto Capital CMBS Funds Rialto Capital CMBS Funds [Member] Rialto Capital CMBS Funds [Member] Rialto Real Estate Fund III Rialto Real Estate Investment Fund III [Member] Rialto Real Estate Investment Fund III Rialto Credit Partnership, LP Rialto Credit Partnership, LP [Member] Rialto Credit Partnership, LP [Member] Other investments Other Equity Method Investments [Member] Other Equity Method Investments Equity in earnings from unconsolidated entities Statement of Financial Position [Abstract] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Class A Common Stock Common Class A [Member] Class B Common Stock Common Class B [Member] ASSETS Cash and cash equivalents Restricted cash Restricted Cash and Cash Equivalents Receivables, net Accounts Receivable, Net Inventories: Inventory, Real Estate [Abstract] Finished homes and construction in progress Inventory, Homes under Construction and Finished Homes Inventory, Homes under Construction and Finished Homes Land and land under development Consolidated inventory not owned Total inventories Inventory, Operative Builders LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Accounts payable Accounts Payable Liabilities related to consolidated inventory not owned Senior notes and other debts payable Other liabilities Other Liabilities Stockholders' equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Preferred stock Preferred Stock, Value, Issued Common stock Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Retained earnings Retained Earnings (Accumulated Deficit) Treasury stock, at cost; May 31, 2016 - 887,259 shares of Class A common stock and 1,679,620 shares of Class B common stock; November 30, 2015 - 815,959 shares of Class A common stock and 1,679,620 shares of Class B common stock Treasury Stock, Value Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Total stockholders’ equity Stockholders' Equity Attributable to Parent Noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest Total equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities and equity Liabilities and Equity Condensed Consolidating Balance Sheet Condensed Balance Sheet [Table Text Block] Condensed Consolidating Statement of Operations and Comprehensive Income Condensed Income Statement [Table Text Block] Condensed Consolidating Statement of Cash Flows Condensed Cash Flow Statement [Table Text Block] Revenues Equity Method Investment, Summarized Financial Information, Revenue Costs and expenses Equity Method Investment, Summarized Financial Information, Cost of Sales Other income Equity Method Investment Summarized Financial Information Other Income (Expense) Equity Method Investment Summarized Financial Information Other Income (Expense) Net earnings of unconsolidated entities Equity Method Investment, Summarized Financial Information, Net Income (Loss) Equity in earnings (loss) from unconsolidated entities Lennar Homebuilding Senior Notes and Other Debts Payable Debt Disclosure [Text Block] Condensed Cash Flow Statement [Table] Condensed Cash Flow Statement [Table] Reportable Legal Entities Reportable Legal Entities [Member] Consolidating Adjustments Consolidation, Eliminations [Member] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Lennar Corporation Parent Company [Member] Guarantor Subsidiaries Guarantor Subsidiaries [Member] Non-Guarantor Subsidiaries Non-Guarantor Subsidiaries [Member] Condensed Cash Flow Statements, Captions [Line Items] Condensed Cash Flow Statements, Captions [Line Items] Net earnings (including net earnings attributable to noncontrolling interests) Distributions of earnings from guarantor and non-guarantor subsidiaries Proceeds from Distributions of Earnings, Guarantor and Non-Guarantor Subsidiaries Proceeds from Distributions of Earnings, Guarantor and Non-Guarantor Subsidiaries Other adjustments to reconcile net earnings (including net earnings attributable to noncontrolling interests) to net cash provided by (used in) operating activities Other Operating Activities, Cash Flow Statement Investments in and contributions to unconsolidated entities, net of distributions of capital Payments for (Proceeds from) Businesses and Interest in Affiliates Originations of loans receivable Purchases of commercial mortgage-backed securities bonds Other Payments for (Proceeds from) Other Investing Activities Distributions of capital from guarantor and non-guarantor subsidiaries Proceeds from Subsidiaries, Dividends or Distributions, Return of Capital Proceeds from Subsidiaries, Dividends or Distributions, Return of Capital Intercompany Proceeds from (Repayments of) Intercompany, Investing Activities Proceeds from (Repayments of) Intercompany, Investing Activities Proceeds from senior notes and debt issuance costs Redemption of senior notes Net proceeds (repayments) on other borrowings Proceeds from (Repayments of) Other Debt Net payments related to noncontrolling interests Proceeds from (Payments to) Noncontrolling Interests Dividends Intercompany Proceeds from (Repayments of) Intercompany Financing Proceeds from (Repayments of) Intercompany Financing Net cash (used in) provided by financing activities Share-Based Payments Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Equity [Abstract] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock Common Stock [Member] Additional Paid - in Capital Additional Paid-in Capital [Member] Treasury Stock Treasury Stock [Member] Accumulated Other Comprehensive Income AOCI Attributable to Parent [Member] Retained Earnings Retained Earnings [Member] Noncontrolling Interests Noncontrolling Interest [Member] Class of Stock [Line Items] Class of Stock [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance, beginning 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 Conversions and exchanges of convertible senior notes to Class A common stock Stock Issued During Period, Value, Conversion of Convertible Securities, Net of Adjustments Tax benefit from employee stock plans, vesting of restricted stock and conversion of convertible senior notes Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation Amortization of restricted stock Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition Cash dividends Dividends, Common Stock, Cash Receipts related to noncontrolling interests Noncontrolling Interest, Increase from Subsidiary Equity Issuance Payments related to noncontrolling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Non-cash distributions to noncontrolling interests Noncontrolling Interest, Decrease from Noncash Distributions to Noncontrolling Interest Holders Noncontrolling Interest, Decrease from Noncash Distributions to Noncontrolling Interest Holders Non-cash consolidations, net Noncontrolling Interests Non Cash Consolidations The value of noncontrolling interests that were consolidated during the period in non-cash consolidations. Non-cash deconsolidations, net Noncontrolling Interest, Decrease from Deconsolidation Non-cash activity related to noncontrolling interests Noncontrolling Interest, Increase (Decrease) from Noncash Activity Noncontrolling Interest, Increase (Decrease) from Noncash Activity Other comprehensive income, net of tax Other Comprehensive Income (Loss), Net of Tax Balance, ending Fair Value Disclosures [Abstract] Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Table] Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Table] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring Fair Value, Measurements, Recurring [Member] Asset Class [Axis] Asset Class [Axis] Asset Class [Domain] Asset Class [Domain] Assets Assets [Member] Liability Class [Axis] Liability Class [Axis] Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Liability Liability [Member] Financial Instrument [Axis] Financial Instrument [Axis] Financial Instruments [Domain] Financial Instruments [Domain] Loans held-for-sale Loans Held For Sale [Member] Loans Held-For-Sale [Member] Mortgage loan commitments Mortgage Loan Commitments [Member] Mortgage Loan Commitments [Member] Forward contracts Forward Contracts [Member] Investments available-for-sale Available-for-sale Securities [Member] Credit default swaps Credit Default Swap [Member] Interest rate swaps and swap futures Interest Rate Swap and Swap Futures [Member] Interest Rate Swap and Swap Futures [Member] Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items] Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings 1 [Line Items] Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings 1 [Line Items] Changes in fair value included in revenue Unrealized Gain (Loss) on Investments Changes in fair value included in other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Mortgage notes on land and other debt Mortgage Notes and Other [Member] Mortgage Notes and Other [Member] 12.25% senior notes due 2017 Twelve Point Two Five Percent Senior Notes Due Two Thousand Seventeen [Member] Twelve Point Two Five Percent Senior Notes Due Two Thousand Seventeen [Member] 4.75% senior notes due 2017 Four Point Seventy Five Senior Notes Due Two Thousand Seventeen [Member] Four Point Seventy Five Senior Notes Due Two Thousand Seventeen [Member] 6.95% senior notes due 2018 Six Point Nine Five Percent Senior Notes Due Two Thousand Eighteen [Member] Six Point Nine Five Percent Senior Notes Due Two Thousand Eighteen [Member] 4.125% senior notes due 2018 Four Point One Two Five Percent Senior Notes Due Two Thousand Eighteen [Member] Four Point One Two Five Percent Senior Notes Due Two Thousand Eighteen [Member] 4.500% senior notes due 2019 Four Point Five Zero Zero Percent Senior Notes Due Two Thousand Nineteen [Member] Four Point Five Zero Zero Percent Senior Notes Due Two Thousand Nineteen 4.50% senior notes due 2019 Four Point Five Zero Senior Notes Due Two Thousand Nineteen [Member] Four Point Five Zero Senior Notes Due Two Thousand Nineteen 4.750% senior notes due 2022 Four Point Seven Five Zero Senior Notes Due Two Thousand Twenty Two [Member] Four Point Seven Five Zero Senior Notes Due Two Thousand Twenty Two 4.875% senior notes due 2023 Four Point Eight Seven Five Percent Senior Notes Due Two Thousand Twenty Three [Member] Four Point Eight Seven Five Percent Senior Notes Due Two Thousand Twenty Three [Member] 4.750% 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 Financial Instruments and Fair Value Disclosures Fair Value Disclosures [Text Block] Schedule of Assets and Liabilities Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Other Income (Expense) Schedule of Other Nonoperating Income (Expense) [Table Text Block] Loans Receivable, Net by Type Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Nonaccrual Loans Impaired Financing Receivables [Table Text Block] Allowance for Credit Losses on Financing Receivables Allowance for Credit Losses on Financing Receivables [Table Text Block] Changes In Real Estate Owned Schedule of Changes in Real Estate Owned [Table Text Block] Schedule of changes in real estate owned during the period Schedule of Line of Credit Facilities Schedule of Line of Credit Facilities [Table Text Block] Equity Commitments Commitment to Fund by the Company Funds Contributed by the Company Investment Schedule of Variable Interest Entities [Table] Schedule of Variable Interest Entities [Table] Financial Standby Letters of Credit Financial Standby Letters of Credit [Member] Financial Standby Letters of Credit [Member] Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Investments in Unconsolidated VIEs Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets and Liabilities, Net Lennar’s Maximum Exposure to Loss Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Investments held-to-maturity Held-to-maturity Securities Operating and Reporting Segments Segment Reporting Disclosure [Text Block] Lennar Homebuilding Cash and Cash Equivalents Cash and Cash Equivalents Disclosure [Text Block] Allowance for Loan and Lease Losses [Roll Forward] Allowance for Loan and Lease Losses [Roll Forward] Allowance on nonaccrual loans, beginning of the period Loans and Leases Receivable, Allowance Provision for loan losses Provision for Loan and Lease Losses, Net of Recoveries Provision for Loan and Lease Losses, Net of Recoveries Charge-offs Allowance for Loan and Lease Losses Write-offs, Net Allowance on nonaccrual loans, end of the period Restricted cash Loans held-for-sale Loans Receivable Held-for-sale, Net, Not Part of Disposal Group Loans receivable, net Loans and Leases Receivable, Net Amount Real estate owned - held-for-sale Real Estate Acquired Through Foreclosure, Held-for-sale Real Estate Acquired Through Foreclosure, Held-for-sale Real estate owned - held-and-used, net Real Estate Acquired Through Foreclosure Other Notes and other debts payable Debt, Long-term and Short-term, Combined Amount Other Accounting Changes and Error Corrections [Abstract] New Accounting Pronouncements New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Fair Value Inputs, Assets, Quantitative Information [Table] Fair Value Inputs, Assets, Quantitative Information [Table] Valuation Technique [Axis] Valuation Technique [Axis] Valuation Technique [Domain] Valuation Technique [Domain] Income Approach Valuation Technique Income Approach Valuation Technique [Member] Fair Value, Measurements, Nonrecurring Fair Value, Measurements, Nonrecurring [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Level 3 Fair Value, Inputs, Level 3 [Member] Fair Value Inputs, Assets, Quantitative Information [Line Items] Fair Value Inputs, Assets, Quantitative Information [Line Items] Average selling price Fair Value Inputs, Average Sales Price Fair Value Inputs, Average Sales Price Absorption rate per quarter (homes) Fair Value Inputs, Absorption Rate Per Quarter, Per Home Fair Value Inputs, Absorption Rate Per Quarter, Per Home Discount rate Fair Value Inputs, Discount Rate Schedule Of Loan Origination Liabilities Schedule of Loss Contingencies by Contingency [Table Text Block] Nonaccrual loans: FDIC and Bank Portfolios Financing Receivable, Recorded Investment, Nonaccrual Status Accrual loans Financing Receivable, Recorded Investment, Accrual Status Financing Receivable, Recorded Investment, Accrual Status Loans receivable, net Schedule of Senior Notes and Other Debts Payable Schedule of Long-term Debt Instruments [Table Text Block] Cash held in escrow Escrow Deposit Escrow deposit period Escrow Deposit Period Escrow Deposit Period Earnings Per Share [Abstract] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Options to purchase outstanding and anti-dilutive shares Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Commitments and Contingencies Disclosure [Abstract] Loss Contingencies [Table] Loss Contingencies [Table] Purchase Commitment, Excluding Long-term Commitment [Axis] Purchase Commitment, Excluding Long-term Commitment [Axis] Purchase Commitment, Excluding Long-term Commitment [Domain] Purchase Commitment, Excluding Long-term Commitment [Domain] Original Contract Original Contract [Member] Original Contract [Member] Renegotiated Contract Renegotiated Contract [Member] Renegotiated Contract [Member] Interest Interest [Member] Interest [Member] Real Estate Taxes Real Estate Taxes [Member] Real Estate Taxes [Member] Judicial Ruling Judicial Ruling [Member] Pending Litigation Loss Contingencies [Line Items] Loss Contingencies [Line Items] Purchase price Contractual Obligation Amount paid on contract Payments for Deposits on Real Estate Acquisitions Purchase price in litigation Litigation Settlement, Amount Litigation interest rate Loss Contingency, Damages Awarded, Interest Rate Loss Contingency, Damages Awarded, Interest Rate Annual interest amount Loss Contingency, Annual Interest Amount Loss contingency, annual interest expense Damages sought Loss Contingency, Damages Sought, Value Outstanding surety bonds Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Level 1 Fair Value, Inputs, Level 1 [Member] Level 2 Fair Value, Inputs, Level 2 [Member] 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] Financial asset Loans Held-for-sale, Fair Value Disclosure Financial asset Derivative Asset Financial liability Derivative Liability Investments available-for-sale Available-for-sale Securities Forward contracts Derivative Assets (Liabilities), at Fair Value, Net Mortgage servicing rights Servicing Asset at Fair Value, Amount 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 Aggregate fair value of loans (below) in excess of principal balance Fair Value, Option, Aggregate Differences, Loans and Long-term Receivables Income Tax Disclosure [Abstract] Schedule of Income Tax Benefit (Provision) and Effective Tax Rate Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Product Warranties Disclosures [Abstract] Product Warranty Product Warranty Disclosure [Text Block] Impaired loans receivable, carrying value Impaired Loans Receivable, Fair Value Measurement Adjustments, Before Impairments Impaired Loans Receivable, Fair Value Measurement Adjustments, Before Impairments Impaired loans receivable, fair value Impaired Loans Receivable, Fair Value Measurement Adjustments, After Impairments Impaired Loans Receivable, Fair Value Measurement Adjustments, After Impairments Impaired loans receivable, total gains (losses) Provision for Loan, Lease, and Other Losses 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 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 Finished homes and construction in progress, total gains (losses) Inventory Write-Down, Homes Under Construction and Finished Homes Inventory Write-Down, Homes Under Construction and Finished Homes 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 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 Land and land under development, total gains (losses) Inventory Write-down, Real Estate Land and Land Development Costs Inventory Write-down, Real Estate Land and Land Development Costs REO- held-for-sale: Upon acquisition/transfer, carrying value Real Estate Owned, Held-For-Sale, Fair Value Measurement Adjustments, After Gain (Loss) Real Estate Owned, Held-For-Sale, Fair Value Measurement Adjustments, After Gain (Loss) REO- held-for-sale: Upon acquisition/transfer, fair value REO Held-For-Sale Fair Value After Gains and Losses This item represents the fair value of REO held-for-sale after gains (losses) upon foreclosure. REO- held-for-sale: Upon acquisition/transfer, total gains (losses) Real Estate Owned, Held-For-Sale, Gain (Loss) Real Estate Owned, Held-For-Sale, Gain (Loss) REO- held-for-sale: Upon management periodic valuations, carrying value Real Estate Owned, Held-For-Sale, Fair Value Measurement Adjustments, Before Impairments Real Estate Owned, Held-For-Sale, Fair Value Measurement Adjustments, Before Impairments REO- held-for-sale: Upon management periodic valuations, fair value Real Estate Owned, Held-For-Sale, Fair Value Measurement Adjustments, After Impairments Real Estate Owned, Held-For-Sale, Fair Value Measurement Adjustments, After Impairments REO- held-for-sale: Upon management periodic valuations, total gains (losses) Real Estate Owned, Held-For-Sale, Impairments Real Estate Owned, Held-For-Sale, Impairments REO - held-and-used, net: Upon acquisition/transfer, carrying value Real Estate Owned, Fair Value Measurement Adjustments, Before Gain (Loss) Real Estate Owned, Fair Value Measurement Adjustments, Before Gain (Loss) REO - held-and-used, net: Upon acquisition/transfer, fair value Real Estate Owned, Fair Value Measurement Adjustments, After Gain (Loss) Real Estate Owned, Fair Value Measurement Adjustments, After Gain (Loss) REO - held-and-used, net: Upon acquisition/transfer, total gains (losses) Real Estate Owned, Gain (Loss) Real Estate Owned, Gain (Loss) REO - held-and-used, net: Upon management periodic valuation, carrying value Real Estate Owned, Fair Value Measurement Adjustments, Before Impairments Real Estate Owned, Fair Value Measurement Adjustments, Before Impairments REO - held-and-used, net: Upon management periodic valuation, fair value Real Estate Owned, Fair Value Measurement Adjustments, After Impairments Real Estate Owned, Fair Value Measurement Adjustments, After Impairments REO - held-and-used, net: Upon management periodic valuation, total gains (losses) Real Estate Owned, Impairments Real Estate Owned, Impairments Schedule of Calculation of Numerator and Denominator In Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statements, Captions [Line Items] Condensed Balance Sheet Statements, Captions [Line Items] Cash and cash equivalents, restricted cash and receivables, net Cash and Cash Equivalents, Restricted Cash and Accounts Receivable, Net Cash and Cash Equivalents, Restricted Cash and Accounts Receivable, Net Inventories Inventory, Real Estate Investments in subsidiaries Investments in Subsidiaries Investments in Subsidiaries Intercompany Due from Intercompany Due from Intercompany Intercompany Due to Intercompany Due to Intercompany Stockholders’ equity Income Taxes Income Tax Disclosure [Text Block] Schedule of Impaired Financing Receivable [Table] Schedule of Impaired Financing Receivable [Table] Collateral [Axis] Collateral [Axis] Collateral [Domain] Collateral [Domain] Land Land [Member] Single family homes Residential Real Estate [Member] Commercial properties Commercial Real Estate [Member] Other Other Property [Member] Financing Receivable, Impaired [Line Items] Financing Receivable, Impaired [Line Items] Unpaid Principal Balance Impaired Financing Receivable, Unpaid Principal Balance Recorded Investment, With Allowance Impaired Financing Receivable, with Related Allowance, Recorded Investment Recorded Investment, Without Allowance Impaired Financing Receivable, with No Related Allowance, Recorded Investment Total Recorded Investment Impaired Financing Receivable, Recorded Investment Schedule of Product Warranty Reserve Schedule of Product Warranty Liability [Table Text Block] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Mortgage servicing rights Servicing Contracts [Member] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] 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] Beginning balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 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 Sales/loan originations sold, including those not settled Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Disposals/settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements Changes in fair value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings 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 Ending balance Provision for income taxes Income Tax Expense (Benefit) Effective tax rate Effective Income Tax Rate Reconciliation, Percent Assets: Equity Method Investment, Summarized Financial Information, Assets [Abstract] Cash and cash equivalents Equity Method Investment, Summarized Financial Information, Cash And Cash Equivalents The amount of cash and cash equivalents reported on a combined 100% basis related to unconsolidated entities accounted for by the equity method Inventories Equity Method Investment, Summarized Financial Information, Inventories The amount of inventory reported on a combined 100% basis related to unconsolidated entities accounted for by the equity method. Other assets Equity Method Investment, Summarized Financial Information, Other Assets The amount of other assets reported on a combined 100% basis related to unconsolidated entities accounted for by the equity method. Total assets Equity Method Investment, Summarized Financial Information, Assets Liabilities and equity: Equity Method Investment, Summarized Financial Information, Liabilities and Equity [Abstract] Accounts payable and other liabilities Equity Method Investment, Summarized Financial Information, Debt, Long-term and Short-term, Combined Amount Equity Method Investment, Summarized Financial Information, Debt, Long-term and Short-term, Combined Amount Debt Equity Equity Method Investment Summarized Financial Information, Equity Total liabilities and equity Equity Method Investment, Summarized Financial Information, Liabilities and Equity 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] Assets from entities consolidated during period Variable Interest Entity, Consolidated, Assets Consolidated During Period Variable Interest Entity, Consolidated, Assets Consolidated During Period Liabilities from entities consolidated during period Variable Interest Entity, Consolidated, Liabilities Consolidated During Period Variable Interest Entity, Consolidated, Liabilities Consolidated During Period Consolidated VIEs assets Variable Interest Entity, Consolidated, Carrying Amount, Assets Consolidated VIEs liabilities Variable Interest Entity, Consolidated, Carrying Amount, Liabilities Decrease in consolidated inventory Increase (Decrease) in Land Under Purchase Options Recorded Increase (Decrease) in Land Under Purchase Options Recorded Non-refundable option deposits and pre-acquisition costs Variable Interest Entities, Non Refundable Option Deposits And Pre Acquisition costs Represents non-refundable option deposits and pre-acquisition costs. Supplemental Financial Information Condensed Financial Statements [Text Block] Movement in Standard Product Warranty Accrual [Roll Forward] Movement in Standard Product Warranty Accrual [Roll Forward] Warranty reserve, beginning of period Standard Product Warranty Accrual Warranties issued Standard Product Warranty Accrual, Increase for Warranties Issued Adjustments to pre-existing warranties from changes in estimates Standard Product Warranty Accrual, Increase (Decrease) for Preexisting Warranties Payments Standard Product Warranty Accrual, Decrease for Payments Warranty reserve, end of period Schedule of Share-based Compensation Expense Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] Estimated Maximum Exposure To Loss Schedule of Variable Interest Entities [Table Text Block] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Table] Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table] Commitments to Sell MBS Forward Commitments, Mortgage Backed Securities [Member] Forward Commitments, Mortgage Backed Securities [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items] Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] Open commitments Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability Mortgage prepayment rate Fair Value Inputs, Prepayment Rate Delinquency rate Fair Value Inputs, Delinquency Rate Delinquency rate used as an input to measure fair value. Active communities Number of Active Communities Number of Active Communities Number of communities assessed for impairment Number of Communities Assessed for Impairment Number of Communities Assessed for Impairment Number of homesites assessed for impairment Number of Homesites Assessed for Impairment Number of homesites assessed for impairment Inventory with potential indicators of impairment Inventory, Operative Builders, With Potential Indicators Of Impairment Inventory, Operative Builders, With Potential Indicators Of Impairment Valuation adjustments to inventory Inventory Write-down Number of homesites impaired Number of Homesites Impaired Number of Homesites Impaired Number of communities impaired Number of Communities Impaired Number of Communities Impaired Carrying value of inventory Inventory, Operative Builders, Fair Value Measurement Adjustments, Before Impairment Inventory, Operative Builders, Fair Value Measurement Adjustments, Before Impairment Short-term Debt, Type [Axis] Short-term Debt, Type [Axis] Short-term Debt, Type [Domain] Short-term Debt, Type [Domain] Warehouse Repurchase Facility Warehouse Agreement Borrowings [Member] Notes and other debts payable Short-term Debt Outstanding principal balance Loans Pledged as Collateral Basis of Consolidation Consolidation, Policy [Policy Text Block] Basis of Accounting Basis of Accounting, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Reclassifications/Revisions Reclassification, Policy [Policy Text Block] New Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] FDIC Portfolio FDIC Portfolio [Member] FDIC Portfolio Variable Interest Entity, Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] Bank Portfolios Bank Portfolios [Member] Bank Portfolios [Member] Real Estate Funds Real Estate Funds [Member] CMBS Commercial Mortgage Backed Securities [Member] Class of Financing Receivable [Axis] Class of Financing Receivable, Type [Axis] Class of Financing Receivable [Domain] Class of Financing Receivable, Type [Domain] Convertible Land Loan Convertible Land Loan [Member] Convertible Land Loan [Member] Commercial Property Loan Commercial Property Loan [Member] Commercial Property Loan [Member] Rialto Mortgage Finance Rialto Mortgage Finance [Member] Rialto Mortgage Finance [Member] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Held-for-sale Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations [Member] Receivable Type [Axis] Financial Instrument Performance Status [Axis] Receivable [Domain] Financial Instrument Performance Status [Domain] Performing Financing Receivable Performing Financial Instruments [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] 7.00% Senior Notes due 2018 Seven Percent Senior Notes due Two Thousand Eighteen [Member] Seven Percent Senior Notes due Two Thousand Eighteen [Member] 2.85% Structured Notes TwoPointEightyFivePercentNotesPayable [Member] Two Point Eighty Five Percent Notes [Member] 5.0% Structured Notes FivePointZeroPercentNotesPayable [Member] FivePointZeroPercentNotesPayable [Member] Loan impairments Net earnings (loss) attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Managing member equity interests acquired Business Acquisition, Percentage of Voting Interests Acquired Number of businesses acquired Number of Businesses Acquired Liabilities Number of distressed residential and commercial real estate loans Mortgage Loans on Real Estate, Number of Loans Acquired Mortgage Loans on Real Estate, Number of Loans Acquired Number of real estate owned properties acquired Real Estate Owned, Number of Properties Acquired Real Estate Owned, Number of Properties Acquired Number of financial institutions Real Estate Owned, Number of Financial Institutions Properties Purchased From Real Estate Owned, Number of Financial Institutions Properties Purchased From Average recorded investment in impaired loans Impaired Financing Receivable, Average Recorded Investment Loss upon acquisition of REO Real Estate Owned, Amount of Loss at Acquisition Gain upon acquisition of REO Real Estate Owned, Amount of Gain at Acquisition Real Estate Owned, Amount of Gain at Acquisition Originations of loans receivable Proceeds from sale of loans held-for-sale Proceeds from Sale of Loans Held-for-sale Number of securitization transactions Number of Securitization Transactions Number of Securitization Transactions Receivables from securitization Principal Amount Outstanding on Loans Held-for-sale or Securitization or Asset-backed Financing Arrangement Aggregate principal amount Repayments of amounts advanced from parent Repayments of Intercompany Debt Repayments of Intercompany Debt Proceeds from issuance of debt Proceeds from Issuance of Long-term Debt Borrowings under facilities Percentage interest in loans Debt Instrument, Collateral as a Percentage of Total Originated Loans in Portfolio Debt Instrument, Collateral as a Percentage of Total Originated Loans in Portfolio Payments to acquire investments Payments to Acquire Investments Term of note Debt Instrument, Term Advanced distributions from unconsolidated entities Management Fees, Incentive Revenue Maximum percentage of LLC equity units employees are eligible to receive as part of carried interest incentive plan Stock Award Incentive Plan, Employee Distribution Percentage Stock Award Incentive Plan, Employee Distribution Percentage Discount rate as a percentage of face value for held-to-maturity securities Held to Maturity Securities, Discount Rate as a Percent of Face Value Held to Maturity Securities, Discount Rate as a Percent of Face Value Coupon rate for held-to-maturity securities Held to Maturity Securities, Coupon Rate Held to Maturity Securities, Coupon Rate Impairment charges for CMBS securities Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net Investment in private commercial real estate services company Cost Method Investments Forward Contracts Servicing Contracts Loans held-for-investment, net Goodwill Goodwill Other asset Self-insurance reserves Self Insurance Reserve Other liability Loans receivable Equity Method Investment, Summarized Financial Information, Loans Receivable Equity Method Investment, Summarized Financial Information, Loans Receivable Real estate owned Equity Method Investment, Summarized Financial Information, Real Estate Owned Equity Method Investment, Summarized Financial Information, Real Estate Owned Investment securities Equity Method Investment, Summarized Financial Information, Investment Securities Equity Method Investment, Summarized Financial Information, Investment Securities Investments in partnerships Equity Method Investment, Summarized Financial Information, Investments In Real Estate Partnerships Equity Method Investment, Summarized Financial Information, Investments In Real Estate Partnerships Notes payable Costs and expenses Equity Method Investment, Summarized Financial Information, Costs And Expenses Equity Method Investment, Summarized Financial Information, Costs And Expenses Other income (expense), net Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Carrying Amount Reported Value Measurement [Member] Fair Value Estimate of Fair Value Measurement [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Loans receivable and loans held-for-investment Loans Receivable, Fair Value Disclosure Investments held-to-maturity Held-to-maturity Securities, Fair Value Notes and other debts payable Debt Instrument, Fair Value Disclosure Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Numerator: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Net earnings attributable to Lennar Net Income (Loss) Attributable to Parent Less: distributed earnings allocated to nonvested shares Preferred Stock Dividends and Other Adjustments Less: undistributed earnings allocated to nonvested shares Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Numerator for basic earnings per share Net Income (Loss) Available to Common Stockholders, Basic Less: net amount attributable to noncontrolling interests in Rialto's Carried Interest Incentive Plan Dilutive Securities, Effect on Basic Earnings Per Share, Attributable to Noncontrolling Interest Dilutive Securities, Effect on Basic Earnings Per Share, Attributable to Noncontrolling Interest Plus: interest on 3.25% convertible senior notes due 2021 Interest on Convertible Debt, Net of Tax Plus: undistributed earnings allocated to convertible shares Undistributed Earnings (Loss) Allocated to Participating Securities, Diluted, Originally Allocated Undistributed Earnings (Loss) Allocated to Participating Securities, Diluted, Originally Allocated Less: undistributed earnings reallocated to convertible shares Undistributed Earnings (Loss) Allocated to Participating Securities Diluted, Reallocated Undistributed Earnings (Loss) Allocated to Participating Securities Diluted, Reallocated Numerator for diluted earnings per share Net Income (Loss) Available to Common Stockholders, Diluted Denominator: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Denominator for basic earnings per share-weighted average common shares outstanding (shares) Weighted Average Number of Shares Outstanding, Basic Effect of dilutive securities: Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract] Share-based payments (shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Convertible senior notes (shares) Denominator for diluted earnings per share-weighted average common shares outstanding (shares) Weighted Average Number of Shares Outstanding, Diluted Basic earnings per share (in dollars per share) Earnings Per Share, Basic Diluted earnings per share (in dollars per share) Earnings Per Share, Diluted Schedule of Long-term Debt Instruments [Table] Operating properties and equipment Equity Method Investment, Summarized Financial Information, Operating Properties and Equipment Equity Method Investment, Summarized Financial Information, Operating Properties and Equipment Gain on disposition of assets Equity Method Investments, Gain on Disposition of Assets Equity Method Investments, Gain on Disposition of Assets Number of operating properties sold Equity Method Investment, Summarized Financial Information, Number of Operating Properties Sold Equity Method Investment, Summarized Financial Information, Number of Operating Properties Sold Guarantee by subsidiaries Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Common Stock, Shares, Issued Treasury stock, shares Treasury Stock, Shares Total assets Total liabilities Earnings Per Share Earnings Per Share [Text Block] Hospital Hospital [Member] Hospital [Member] Realized gains on REO sales, net Unrealized losses on transfer of loans receivable to REO and impairments, net Real Estate Owned, Amount of Loss at Acquisition and Impairment, Net Real Estate Owned, Amount of Loss at Acquisition and Impairment, Net REO and other expenses Foreclosed Real Estate Expense and Other Foreclosed Real Estate Expense and Other Rental and other income (loss) Other Nonoperating, Asset Related Income (Expense) Other Nonoperating, Asset Related Income (Expense) Rialto other expense, net Other Nonoperating Income (Expense) Write-off of uncollectible receivable Allowance for Loan and Lease Losses, Write-offs Commitments and Contingent Liabilities Commitments and Contingencies Disclosure [Text Block] Line of Credit Facility [Table] Line of Credit Facility [Table] 364-day warehouse repurchase facility that matures August 2016 Warehouse Repurchase Facility Due in August 2016 [Member] Warehouse Repurchase Facility Due in August 2016 [Member] 364-day warehouse repurchase facility that matures October 2016 Warehouse Repurchase Facility Due in October 2016 [Member] Warehouse Repurchase Facility Due in October 2016 [Member] 364-day warehouse repurchase facility that matures January 2017 Warehouse Repurchase Facility Due in January 2017 [Member] Warehouse Repurchase Facility Due in January 2017 [Member] Warehouse repurchase facility that matures December 2017 Warehouse Repurchase Facility Due in December 2017 [Member] Warehouse Repurchase Facility Due in December 2017 [Member] Warehouse repurchase facility that matures August 2018 Warehouse Repurchase Facility Due in August 2018 [Member] Warehouse Repurchase Facility Due in August 2018 [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Maximum Aggregate Commitment Borrowings under the facilities Long-term Line of Credit Number of extensions Debt Instrument, Number of Extensions Debt Instrument, Number of Extensions Extension term Debt Instrument, Extension Term Debt Instrument, Extension Term Schedule of Changes in Equity Schedule of Stockholders Equity [Table Text Block] 364-day warehouse repurchase facility that matures August 2016 (1) Warehouse Repurchase Facility Due in August 2016 One [Member] Warehouse Repurchase Facility Due in August 2016 One [Member] 364-day warehouse repurchase facility that matures August 2016 Warehouse Repurchase Facility Due in August 2016 Two [Member] Warehouse Repurchase Facility Due in August 2016 Two [Member] 364-day warehouse repurchase facility that matures October 2016 Facility, term Uncommitted amount Line of Credit Facility, Uncommitted Borrowing Capacity Line of Credit Facility, Uncommitted Borrowing Capacity Unconsolidated entity Unconsolidated Entity One [Member] Unconsolidated Entity One Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Lennar Corp Lennar Corp [Member] Lennar Corp [Member] Third Party Third Party [Member] Third Party [Member] Homesites sold Equity Method Investment, Number of Real Estate Properties Sold Equity Method Investment, Number of Real Estate Properties Sold Real estate sales Equity Method Investment, Summarized Financial Information, Sales of Real Estate Equity Method Investment, Summarized Financial Information, Sales of Real Estate Gross profit Equity Method Investment, Summarized Financial Information, Gross Profit (Loss) Number of investments contributed Equity Method Investments, Number of Investments in Joint Ventures Contributed Equity Method Investments, Number of Investments in Joint Ventures Contributed Underlying equity in unconsolidated partners' net assets Equity Method Investment, Underlying Equity in Net Assets Income Statement [Abstract] Revenues: Revenues [Abstract] Cost and expenses: Costs and Expenses [Abstract] Cost and expenses Cost of Revenue Corporate general and administrative Total costs and expenses Costs and Expenses Other income (expense), net Nonoperating Income (Expense) Other interest expense Interest Expense Earnings before income taxes Net earnings (including net earnings attributable to noncontrolling interests) Less: Net earnings attributable to noncontrolling interests Net earnings attributable to Lennar Other comprehensive income, net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Net unrealized gain (loss) on securities available-for-sale Reclassification adjustments for gains included in earnings, net of tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Other comprehensive income attributable to Lennar Comprehensive Income (Loss), Net of Tax, Attributable to Parent Other comprehensive income attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Cash dividends per each common share (in dollars per share) Common Stock, Dividends, Per Share, Declared Carrying Amounts And Estimated Fair Value Of Financial Instruments Fair Value, by Balance Sheet Grouping [Table Text Block] Fair Value Measured On Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] 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] 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] Fair Value Measurements, Nonrecurring Fair Value Measurements, Nonrecurring [Table Text Block] Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques Fair Value Inputs, Assets, Quantitative Information [Table Text Block] Condensed Income Statement [Table] Condensed Income Statement [Table] Condensed Financial Statements, Captions [Line Items] Condensed Income Statements, Captions [Line Items] Total costs and expenses Earnings (loss) before income taxes Benefit (provision) for income taxes Equity in earnings from subsidiaries Income (Loss) from Subsidiaries, Net of Tax Reclassification adjustments for gains included in earnings, net of tax Other comprehensive income attributable to Lennar Document And Entity Information [Abstract] Document and Entity Information [Abstract] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Deferred tax assets Deferred Tax Assets, Net Unrecognized tax benefits Unrecognized Tax Benefits Income tax penalties and interest accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Income tax penalties and interest expense Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Unrecognized tax benefits, decreases in accrued interest and penalties accrued Unrecognized Tax Benefits, Decreases in Income Tax Penalties and Interest Accrued Decreases in income tax penalties and interest accrued due to settlement with taxing authorities. Disclosure Of Financial Information Relating To Company's Operations Maximum number of shares to repurchase Stock Repurchase Program, Number of Shares Authorized to be Repurchased Repurchases of common stock (in shares) Treasury Stock, Shares, Acquired Authorized shares under stock repurchase program Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased Real Estate Owned Held-For-Sale [Roll Forward] Real Estate Owned, Held-For-Sale [Roll Forward] Real Estate Owned, Held-For-Sale [Roll Forward] REO - held-for-sale, beginning of period Improvements Real Estate Owned, Held-For-Sale, Improvements Real Estate Owned, Held-For-Sale, Improvements Sales Real Estate Owned, Held-For-Sale, Sales Real Estate Owned, Held-For-Sale, Sales Impairments and unrealized losses Transfers from held-and-used, net Real Estate Owned, Held-For-Sale, Transfers from Held and Used Real Estate Owned, Held-For-Sale, Transfers from Held and Used REO - held-for-sale, end of period REO Held And Used [Roll Forward] Real Estate Acquired Through Foreclosure [Roll Forward] Real Estate Acquired Through Foreclosure, Rollforward [Roll Forward] REO - held-and-used, net, beginning of period Additions Real Estate Owned, Additions Real Estate Owned, Additions Improvements Real Estate Owned, Improvements Real Estate Owned, Improvements Impairments Depreciation Real Estate Owned, Depreciation Real Estate Owned, Depreciation Transfers to held-for-sale Real Estate Owned, Transfers to Held for Sale Real Estate Owned, Transfers to Held for Sale Other Real Estate Owned, Other Increase (Decrease) Real Estate Owned, Other Increase (Decrease) REO - held-and-used, net, end of period