Operating and Reporting Segments (Loans Held-for-Sale) (Details) - Lennar Financial Services $ in Thousands	3 Months Ended	6 Months Ended
May 31, 2026 USD ($) transaction	May 31, 2025 USD ($) transaction	May 31, 2026 USD ($) transaction	May 31, 2025 USD ($) transaction
Segment Reporting Information [Line Items]
Originations	$ 73,300	$ 180,875	$ 156,350	$ 308,840
Sold	$ 76,250	$ 190,936	$ 109,575	$ 285,823
Securitizations \| transaction	2	2	3	6

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

Name:	us-gaap_ProceedsFromSaleOfLoansHeldForSale
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration