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Operating and Reporting Segments - Unrealized Gain (Loss) on Investments (Details) - Lennar Other - Operating Segments - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2022	May 31, 2021
Segment Reporting Information [Line Items]
Lennar Other unrealized gains (losses) from technology investments	$ (77,965)	$ (272,625)	$ (473,135)	$ 197,120
Blend Labs
Segment Reporting Information [Line Items]
Lennar Other unrealized gains (losses) from technology investments	(13,550)	0	(20,992)	0
Hippo
Segment Reporting Information [Line Items]
Lennar Other unrealized gains (losses) from technology investments	(37,946)	0	(162,403)	0
Opendoor
Segment Reporting Information [Line Items]
Lennar Other unrealized gains (losses) from technology investments	(20,999)	(234,290)	(164,360)	235,455
SmartRent
Segment Reporting Information [Line Items]
Lennar Other unrealized gains (losses) from technology investments	(3,950)	0	(48,313)	0
Sonder
Segment Reporting Information [Line Items]
Lennar Other unrealized gains (losses) from technology investments	(1,626)	0	(2,132)	0
Sunnova
Segment Reporting Information [Line Items]
Lennar Other unrealized gains (losses) from technology investments	$ 106	$ (38,335)	$ (74,935)	$ (38,335)

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- Definition

Amount of unrealized gain (loss) on investment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

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