Operating and Reporting Segments (Loans Held-for-Sale) (Details) - Lennar Financial Services $ in Thousands	3 Months Ended	9 Months Ended
Aug. 31, 2025 USD ($) transaction	Aug. 31, 2024 USD ($) transaction	Aug. 31, 2025 USD ($) transaction	Aug. 31, 2024 USD ($) transaction
Segment Reporting Information [Line Items]
Originations	$ 177,837	$ 236,665	$ 486,677	$ 449,000
Sold	$ 172,643	$ 145,325	$ 458,466	$ 301,610
Securitizations \| transaction	2	4	8	9

The cash inflow resulting from the sale of loans classified as held-for-sale, including proceeds from loans sold through mortgage securitization.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-16

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 21
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-21

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration