Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Aug. 31, 2019	Aug. 31, 2018
Cash flows from operating activities:
Net earnings (including net earnings (loss) attributable to noncontrolling interests)	$ 1,170,936	$ 919,286
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	63,822	66,714
Amortization of discount/premium and accretion on debt, net	(19,841)	(17,750)
Equity in (earnings) loss from unconsolidated entities	(12,235)	8,115
Distributions of earnings from unconsolidated entities	9,175	90,431
Share-based compensation expense	65,438	55,638
Deferred income tax expense	144,969	188,132
Gain on sale of operating properties and equipment	(4,925)	(5,107)
Gain on sale of other assets	(4,196)	0
Loss on consolidation of previously unconsolidated entity	48,874	0
Gain on sale of interest in unconsolidated entities and other Multifamily gain	(10,865)	(164,880)
Gain on sale of Financial Services' businesses	(2,368)	0
Unrealized and realized gains on real estate owned	(1,786)	(2,912)
Impairments of loans held-for-sale and real estate owned	0	8,526
Valuation adjustments and write-offs of option deposits and pre-acquisition costs	15,912	40,531
Changes in assets and liabilities:
Decrease (increase) in receivables	527,990	(13,341)
Increase in inventories, excluding valuation adjustments and write-offs of option deposits and pre-acquisition costs	(1,610,329)	(725,016)
Decrease (increase) in other assets	48,263	(193,835)
Decrease (increase) in loans held-for-sale	(14,992)	130,528
Increase (decrease) in accounts payable and other liabilities	(115,549)	341,357
Net cash provided by operating activities	298,293	726,417
Cash flows from investing activities:
Net additions of operating properties and equipment	(69,557)	(81,493)
Proceeds from the sale of operating properties and equipment and other assets	50,018	22,820
Proceeds from sale of investment in unconsolidated entities	17,790	199,654
Proceeds from sale of Financial Services' businesses	24,446	0
Investments in and contributions to unconsolidated entities	(329,858)	(302,333)
Distributions of capital from unconsolidated and consolidated entities	250,265	227,754
Proceeds from sales of real estate owned	8,560	28,697
Receipts of principal payments on loans receivable and other	2,152	3,271
Purchases of commercial mortgage-backed securities bonds	0	(31,068)
Acquisitions, net of cash and restricted cash acquired	0	(1,078,345)
Increase in Financial Services loans held-for-investment, net	(2,902)	(2,062)
Purchases of investment securities	(31,879)	(39,531)
Proceeds from maturities/sales of investments securities	41,608	34,221
Other payments, net	0	(459)
Net cash used in investing activities	(39,357)	(1,018,874)
Cash flows from financing activities:
Redemption of senior notes	(500,000)	(825,000)
Proceeds from other borrowings	62,634	70,322
Principal payments on other borrowings	(154,736)	(436,035)
Payments related to other liabilities	(2,533)	(3,200)
Conversions and exchanges on convertible senior notes	(1,288)	(59,145)
Receipts related to noncontrolling interests	27,395	4,008
Payments related to noncontrolling interests	(35,689)	(68,627)
Debt issuance costs	0	(12,459)
Common stock:
Issuances	388	3,189
Repurchases	(419,322)	(49,490)
Dividends	(38,776)	(35,985)
Net cash used in financing activities	(785,050)	(1,318,085)
Net decrease in cash and cash equivalents and restricted cash	(526,114)	(1,610,542)
Cash and cash equivalents and restricted cash at beginning of period	1,595,978	2,694,084
Cash and cash equivalents and restricted cash at end of period	1,069,864	1,083,542
Consolidation/deconsolidation of unconsolidated/consolidated entities, net:
Inventories	187,506	35,430
Receivables	102,959	7,198
Operating properties and equipment and other assets	53,412	0
Investments in unconsolidated entities	67,925	(25,614)
Notes payable	(383,212)	0
Other liabilities	(19,696)	(17,014)
Noncontrolling interests	(8,894)	0
Homebuilding
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in (earnings) loss from unconsolidated entities	4,601	43,537
Lennar Other
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in (earnings) loss from unconsolidated entities	(12,255)	(20,129)
Multifamily
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in (earnings) loss from unconsolidated entities	(15,446)	(15,293)
Lennar Homebuilding and Lennar Multifamily
Homebuilding and Multifamily:
Purchases of inventories and other assets financed by sellers	84,624	52,356
Non-cash contributions to unconsolidated entities	107,368	91,709
Conversions and exchanges on convertible senior notes	0	217,154
Equity component of acquisition consideration	0	5,070,006
Consolidating Adjustments
Cash flows from operating activities:
Net earnings (including net earnings (loss) attributable to noncontrolling interests)	(1,432,673)	(1,132,114)
Changes in assets and liabilities:
Net cash provided by operating activities	(1,432,673)	(1,132,114)
Cash flows from investing activities:
Proceeds from sale of investment in unconsolidated entities	0	0
Proceeds from sale of Financial Services' businesses	0
Proceeds from sales of real estate owned	0	0
Purchases of commercial mortgage-backed securities bonds		0
Acquisitions, net of cash and restricted cash acquired		0
Net cash used in investing activities	1,256,112	950,226
Cash flows from financing activities:
Redemption of senior notes		0
Conversions and exchanges on convertible senior notes		0
Common stock:
Issuances	0	0
Repurchases	0	0
Dividends	1,432,673	1,217,114
Net cash used in financing activities	176,561	181,888
Net decrease in cash and cash equivalents and restricted cash	0	0
Cash and cash equivalents and restricted cash at beginning of period	0	0
Cash and cash equivalents and restricted cash at end of period	0	0
Consolidating Adjustments | Homebuilding
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in (earnings) loss from unconsolidated entities	0	0
Consolidating Adjustments | Lennar Other
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in (earnings) loss from unconsolidated entities	0	0
Consolidating Adjustments | Multifamily
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in (earnings) loss from unconsolidated entities	0	0
Operating Segments
Common stock:
Cash and cash equivalents and restricted cash at end of period	1,069,864	1,083,542
Operating Segments | Homebuilding
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in (earnings) loss from unconsolidated entities	4,601	43,537
Common stock:
Cash and cash equivalents and restricted cash at end of period	808,643	845,015
Operating Segments | Financial Services
Common stock:
Cash and cash equivalents and restricted cash at end of period	238,406	177,162
Operating Segments | Lennar Other
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in (earnings) loss from unconsolidated entities	(12,255)	(20,129)
Common stock:
Cash and cash equivalents and restricted cash at end of period	6,337	47,617
Operating Segments | Multifamily
Common stock:
Cash and cash equivalents and restricted cash at end of period	16,478	13,748
Unsecured Revolving Credit Facility
Cash flows from financing activities:
Net borrowings (repayments) under credit facilities	700,000	195,300
Unsecured Revolving Credit Facility | Consolidating Adjustments
Cash flows from financing activities:
Net borrowings (repayments) under credit facilities	0	0
Warehouse Repurchase Facility
Cash flows from financing activities:
Net borrowings (repayments) under credit facilities	(423,123)	(100,963)
Warehouse Repurchase Facility | Consolidating Adjustments
Cash flows from financing activities:
Net borrowings (repayments) under credit facilities	0	0
Lennar Corporation | Reportable Legal Entities
Cash flows from operating activities:
Net earnings (including net earnings (loss) attributable to noncontrolling interests)	1,174,748	899,683
Changes in assets and liabilities:
Net cash provided by operating activities	1,269,468	830,081
Cash flows from investing activities:
Proceeds from sale of investment in unconsolidated entities	0	0
Proceeds from sale of Financial Services' businesses	0
Proceeds from sales of real estate owned	0	0
Purchases of commercial mortgage-backed securities bonds		0
Acquisitions, net of cash and restricted cash acquired		(1,140,367)
Net cash used in investing activities	(1,258,276)	(2,137,729)
Cash flows from financing activities:
Redemption of senior notes		(735,626)
Conversions and exchanges on convertible senior notes		0
Common stock:
Issuances	388	3,189
Repurchases	(419,322)	(49,490)
Dividends	(38,776)	(35,985)
Net cash used in financing activities	(257,710)	(177,101)
Net decrease in cash and cash equivalents and restricted cash	(246,518)	(1,484,749)
Cash and cash equivalents and restricted cash at beginning of period	624,694	1,938,555
Cash and cash equivalents and restricted cash at end of period	378,176	453,806
Lennar Corporation | Reportable Legal Entities | Homebuilding
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in (earnings) loss from unconsolidated entities	0	0
Lennar Corporation | Reportable Legal Entities | Lennar Other
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in (earnings) loss from unconsolidated entities	0	0
Lennar Corporation | Reportable Legal Entities | Multifamily
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in (earnings) loss from unconsolidated entities	0	0
Lennar Corporation | Unsecured Revolving Credit Facility | Reportable Legal Entities
Cash flows from financing activities:
Net borrowings (repayments) under credit facilities	700,000	650,000
Lennar Corporation | Warehouse Repurchase Facility | Reportable Legal Entities
Cash flows from financing activities:
Net borrowings (repayments) under credit facilities	0	0
Guarantor Subsidiaries | Reportable Legal Entities
Cash flows from operating activities:
Net earnings (including net earnings (loss) attributable to noncontrolling interests)	1,322,333	1,055,410
Changes in assets and liabilities:
Net cash provided by operating activities	56,013	1,011,277
Cash flows from investing activities:
Proceeds from sale of investment in unconsolidated entities	0	199,654
Proceeds from sale of Financial Services' businesses	21,517
Proceeds from sales of real estate owned	0	0
Purchases of commercial mortgage-backed securities bonds		0
Acquisitions, net of cash and restricted cash acquired		22,654
Net cash used in investing activities	(78,943)	154,089
Cash flows from financing activities:
Redemption of senior notes		(89,374)
Conversions and exchanges on convertible senior notes		(59,145)
Common stock:
Issuances	0	0
Repurchases	0	0
Dividends	(1,322,333)	(1,120,410)
Net cash used in financing activities	(258,482)	(1,150,573)
Net decrease in cash and cash equivalents and restricted cash	(281,412)	14,793
Cash and cash equivalents and restricted cash at beginning of period	721,603	366,946
Cash and cash equivalents and restricted cash at end of period	440,191	381,739
Guarantor Subsidiaries | Reportable Legal Entities | Homebuilding
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in (earnings) loss from unconsolidated entities	4,869	43,756
Guarantor Subsidiaries | Reportable Legal Entities | Lennar Other
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in (earnings) loss from unconsolidated entities	7,024	(1,852)
Guarantor Subsidiaries | Reportable Legal Entities | Multifamily
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in (earnings) loss from unconsolidated entities	0	0
Guarantor Subsidiaries | Unsecured Revolving Credit Facility | Reportable Legal Entities
Cash flows from financing activities:
Net borrowings (repayments) under credit facilities	0	(454,700)
Guarantor Subsidiaries | Warehouse Repurchase Facility | Reportable Legal Entities
Cash flows from financing activities:
Net borrowings (repayments) under credit facilities	(9)	(81)
Non-Guarantor Subsidiaries | Reportable Legal Entities
Cash flows from operating activities:
Net earnings (including net earnings (loss) attributable to noncontrolling interests)	106,528	96,307
Changes in assets and liabilities:
Net cash provided by operating activities	405,485	17,173
Cash flows from investing activities:
Proceeds from sale of investment in unconsolidated entities	17,790	0
Proceeds from sale of Financial Services' businesses	2,929
Proceeds from sales of real estate owned	8,560	28,697
Purchases of commercial mortgage-backed securities bonds		(31,068)
Acquisitions, net of cash and restricted cash acquired		39,368
Net cash used in investing activities	41,750	14,540
Cash flows from financing activities:
Redemption of senior notes		0
Conversions and exchanges on convertible senior notes		0
Common stock:
Issuances	0	0
Repurchases	0	0
Dividends	(110,340)	(96,704)
Net cash used in financing activities	(445,419)	(172,299)
Net decrease in cash and cash equivalents and restricted cash	1,816	(140,586)
Cash and cash equivalents and restricted cash at beginning of period	249,681	388,583
Cash and cash equivalents and restricted cash at end of period	251,497	247,997
Non-Guarantor Subsidiaries | Reportable Legal Entities | Homebuilding
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in (earnings) loss from unconsolidated entities	(268)	(219)
Non-Guarantor Subsidiaries | Reportable Legal Entities | Lennar Other
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in (earnings) loss from unconsolidated entities	(19,279)	(18,277)
Non-Guarantor Subsidiaries | Reportable Legal Entities | Multifamily
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in (earnings) loss from unconsolidated entities	(15,446)	(15,293)
Non-Guarantor Subsidiaries | Unsecured Revolving Credit Facility | Reportable Legal Entities
Cash flows from financing activities:
Net borrowings (repayments) under credit facilities	0	0
Non-Guarantor Subsidiaries | Warehouse Repurchase Facility | Reportable Legal Entities
Cash flows from financing activities:
Net borrowings (repayments) under credit facilities	$ (423,114)	(100,882)
Senior Notes
Cash flows from financing activities:
Debt issuance costs		(12,459)
Senior Notes | Consolidating Adjustments
Cash flows from financing activities:
Debt issuance costs		0
Senior Notes | Lennar Corporation | Reportable Legal Entities
Cash flows from financing activities:
Debt issuance costs		(9,189)
Senior Notes | Guarantor Subsidiaries | Reportable Legal Entities
Cash flows from financing activities:
Debt issuance costs		0
Senior Notes | Non-Guarantor Subsidiaries | Reportable Legal Entities
Cash flows from financing activities:
Debt issuance costs		$ (3,270)