Operating and Reporting Segments (Disclosure of Facilities) (Details) - Lennar Financial Services - USD ($)	6 Months Ended
	May 31, 2026	Nov. 30, 2025
Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 2,775,000,000
Residential Warehouse Repurchase Facility | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	2,475,000,000
Residential Warehouse Repurchase Facility | Warehouse Repurchase Facility | Committed
Line of Credit Facility [Line Items]
Maximum borrowing capacity	880,000,000
Residential Warehouse Repurchase Facility | Warehouse Repurchase Facility | Uncommitted
Line of Credit Facility [Line Items]
Maximum borrowing capacity	1,595,000,000
Residential Warehouse Repurchase Facility Due July 2026 | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	700,000,000
Residential Warehouse Repurchase Facility Due July 2026 | Warehouse Repurchase Facility | Committed
Line of Credit Facility [Line Items]
Maximum borrowing capacity	350,000,000
Residential Warehouse Repurchase Facility Due July 2026 | Warehouse Repurchase Facility | Uncommitted
Line of Credit Facility [Line Items]
Maximum borrowing capacity	350,000,000
Residential Warehouse Repurchase Facility Due September 2026 | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	400,000,000
Residential Warehouse Repurchase Facility Due September 2026 | Warehouse Repurchase Facility | Committed
Line of Credit Facility [Line Items]
Maximum borrowing capacity	200,000,000
Residential Warehouse Repurchase Facility Due September 2026 | Warehouse Repurchase Facility | Uncommitted
Line of Credit Facility [Line Items]
Maximum borrowing capacity	200,000,000
Residential Warehouse Repurchase Facility Due November 2026 | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	200,000,000
Residential Warehouse Repurchase Facility Due November 2026 | Warehouse Repurchase Facility | Committed
Line of Credit Facility [Line Items]
Maximum borrowing capacity	100,000,000
Residential Warehouse Repurchase Facility Due November 2026 | Warehouse Repurchase Facility | Uncommitted
Line of Credit Facility [Line Items]
Maximum borrowing capacity	100,000,000
Residential Warehouse Repurchase Facility Due December 2026 | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	375,000,000
Residential Warehouse Repurchase Facility Due December 2026 | Warehouse Repurchase Facility | Committed
Line of Credit Facility [Line Items]
Maximum borrowing capacity	0
Residential Warehouse Repurchase Facility Due December 2026 | Warehouse Repurchase Facility | Uncommitted
Line of Credit Facility [Line Items]
Maximum borrowing capacity	375,000,000
Residential Warehouse Repurchase Facility Due March 2027 | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	500,000,000
Residential Warehouse Repurchase Facility Due March 2027 | Warehouse Repurchase Facility | Committed
Line of Credit Facility [Line Items]
Maximum borrowing capacity	200,000,000
Residential Warehouse Repurchase Facility Due March 2027 | Warehouse Repurchase Facility | Uncommitted
Line of Credit Facility [Line Items]
Maximum borrowing capacity	300,000,000
Residential Warehouse Repurchase Facility Due May 2027 | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	300,000,000
Residential Warehouse Repurchase Facility Due May 2027 | Warehouse Repurchase Facility | Committed
Line of Credit Facility [Line Items]
Maximum borrowing capacity	30,000,000
Residential Warehouse Repurchase Facility Due May 2027 | Warehouse Repurchase Facility | Uncommitted
Line of Credit Facility [Line Items]
Maximum borrowing capacity	270,000,000
Commercial facilities | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	300,000,000
Commercial facilities | Warehouse Repurchase Facility | Committed
Line of Credit Facility [Line Items]
Maximum borrowing capacity	300,000,000
Commercial Warehouse Repurchase Facility Due January 2027 | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	100,000,000
Commercial Warehouse Repurchase Facility Due January 2027 | Warehouse Repurchase Facility | Committed
Line of Credit Facility [Line Items]
Maximum borrowing capacity	100,000,000
Commercial Warehouse Repurchase Facility Due December 2027 | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	200,000,000
Commercial Warehouse Repurchase Facility Due December 2027 | Warehouse Repurchase Facility | Committed
Line of Credit Facility [Line Items]
Maximum borrowing capacity	200,000,000
Residential facilities | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Borrowings under facility	1,791,758,000	$ 1,653,484,000
Residential facilities | Warehouse Repurchase Facility | Asset Pledged as Collateral
Line of Credit Facility [Line Items]
Borrowings under facility	$ 2,058,429,000	1,718,338,000
Warehouse Repurchase Facility | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Facility, term	364 days
Warehouse Repurchase Facility | Commercial facilities
Line of Credit Facility [Line Items]
Borrowings under facility	$ 52,240,000	$ 13,719,000