Operating and Reporting Segments (Disclosure Of Assets and Liabilities) (Details) - USD ($) $ in Thousands |
Aug. 31, 2026 |
Nov. 30, 2025 |
Aug. 31, 2025 |
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|---|---|---|---|---|---|---|---|---|---|
| Segment Reporting Information [Line Items] | |||||||||
| Senior notes and other debts payable, net | $ 5,881,699 | $ 5,874,995 | |||||||
| Equity securities without readily determinable fair values | 72,700 | 114,400 | |||||||
| Operating Segments | |||||||||
| Segment Reporting Information [Line Items] | |||||||||
| Cash and cash equivalents | 1,426,451 | 3,756,305 | |||||||
| Restricted cash | 72,439 | 74,429 | |||||||
| Receivables, net | 1,269,138 | 1,470,862 | |||||||
| Inventory owned and consolidated inventory not owned | 13,149,578 | 11,841,255 | |||||||
| Loans held-for-sale | 1,776,305 | 2,212,624 | |||||||
| Investments in equity securities | 131,350 | 346,820 | |||||||
| Investments available-for-sale | 38,804 | 39,060 | |||||||
| Investments held-to-maturity | 124,407 | 132,868 | |||||||
| Deposits and pre-acquisition costs on real estate | 7,331,592 | 6,398,729 | |||||||
| Investments in unconsolidated entities | 2,323,271 | 2,422,436 | |||||||
| Goodwill | 3,632,058 | 3,632,058 | |||||||
| Other assets | 2,102,832 | 2,102,991 | |||||||
| Total assets | [1] | 33,378,225 | 34,430,437 | ||||||
| Liabilities related to consolidated inventory not owned | 1,250,439 | 1,476,376 | |||||||
| Accounts payable and other liabilities | 4,549,667 | 4,938,457 | |||||||
| Total liabilities | [2] | 11,681,805 | 12,289,828 | ||||||
| Homebuilding | |||||||||
| Segment Reporting Information [Line Items] | |||||||||
| Inventory owned and consolidated inventory not owned | [1] | 12,943,439 | 11,617,633 | ||||||
| Investments in unconsolidated entities | 1,470,473 | 1,545,370 | |||||||
| Homebuilding | Operating Segments | |||||||||
| Segment Reporting Information [Line Items] | |||||||||
| Cash and cash equivalents | 1,150,115 | [1] | 3,441,324 | [1] | $ 1,406,215 | ||||
| Restricted cash | 34,093 | [1] | 25,930 | [1] | 29,928 | ||||
| Receivables, net | [1] | 924,858 | 1,002,629 | ||||||
| Inventory owned and consolidated inventory not owned | 12,943,439 | 11,617,633 | |||||||
| Loans held-for-sale | 0 | 0 | |||||||
| Investments in equity securities | 0 | 0 | |||||||
| Investments available-for-sale | 0 | 0 | |||||||
| Investments held-to-maturity | 0 | 0 | |||||||
| Deposits and pre-acquisition costs on real estate | 7,327,193 | 6,383,633 | |||||||
| Investments in unconsolidated entities | [1] | 1,470,473 | 1,545,370 | ||||||
| Goodwill | [1] | 3,442,359 | 3,442,359 | ||||||
| Other assets | [1] | 1,803,804 | 1,794,378 | ||||||
| Total assets | [1] | 29,096,334 | 29,253,256 | ||||||
| Senior notes and other debts payable, net | 4,297,251 | 4,084,686 | |||||||
| Liabilities related to consolidated inventory not owned | [2] | 1,250,439 | 1,476,376 | ||||||
| Accounts payable and other liabilities | 4,244,909 | 4,504,360 | |||||||
| Total liabilities | [2] | 9,792,599 | 10,065,422 | ||||||
| Lennar Financial Services | Carrying Value | Level 3 | |||||||||
| Segment Reporting Information [Line Items] | |||||||||
| Loans held for sale | 13,693 | 15,547 | |||||||
| Lennar Financial Services | Fair Value | Level 3 | |||||||||
| Segment Reporting Information [Line Items] | |||||||||
| Loans held for sale | 13,693 | 15,547 | |||||||
| Lennar Financial Services | Fair Value | Level 3 | Residential Mortgage | |||||||||
| Segment Reporting Information [Line Items] | |||||||||
| Loans held for sale | 13,700 | 15,500 | |||||||
| Lennar Financial Services | Operating Segments | |||||||||
| Segment Reporting Information [Line Items] | |||||||||
| Cash and cash equivalents | 225,506 | 258,873 | 216,129 | ||||||
| Restricted cash | 38,346 | 48,499 | 64,856 | ||||||
| Receivables, net | 309,237 | 429,560 | |||||||
| Inventory owned and consolidated inventory not owned | 0 | 0 | |||||||
| Loans held-for-sale | 1,776,305 | 2,212,624 | |||||||
| Investments in equity securities | 0 | 0 | |||||||
| Investments available-for-sale | 0 | 0 | |||||||
| Investments held-to-maturity | 124,407 | 132,868 | |||||||
| Deposits and pre-acquisition costs on real estate | 0 | 0 | |||||||
| Investments in unconsolidated entities | 644 | 2,528 | |||||||
| Goodwill | 189,699 | 189,699 | |||||||
| Other assets | 106,508 | 102,762 | |||||||
| Total assets | [1] | 2,770,652 | 3,377,413 | ||||||
| Senior notes and other debts payable, net | 1,584,448 | 1,790,309 | |||||||
| Liabilities related to consolidated inventory not owned | 0 | 0 | |||||||
| Accounts payable and other liabilities | 136,120 | 220,289 | |||||||
| Total liabilities | [2] | 1,720,568 | 2,010,598 | ||||||
| Multifamily | Operating Segments | |||||||||
| Segment Reporting Information [Line Items] | |||||||||
| Cash and cash equivalents | 23,527 | 34,172 | 17,337 | ||||||
| Restricted cash | 0 | 0 | |||||||
| Receivables, net | 35,043 | 38,673 | |||||||
| Inventory owned and consolidated inventory not owned | 206,139 | 223,622 | |||||||
| Loans held-for-sale | 0 | 0 | |||||||
| Investments in equity securities | 0 | 0 | |||||||
| Investments available-for-sale | 0 | 0 | |||||||
| Investments held-to-maturity | 0 | 0 | |||||||
| Deposits and pre-acquisition costs on real estate | 4,399 | 15,096 | |||||||
| Investments in unconsolidated entities | 488,775 | 506,573 | |||||||
| Goodwill | 0 | 0 | |||||||
| Other assets | 57,156 | 84,000 | |||||||
| Total assets | [1] | 815,039 | 902,136 | ||||||
| Senior notes and other debts payable, net | 0 | 0 | |||||||
| Liabilities related to consolidated inventory not owned | 0 | 0 | |||||||
| Accounts payable and other liabilities | 76,247 | 113,361 | |||||||
| Total liabilities | [2] | 76,247 | 113,361 | ||||||
| Lennar Other | Operating Segments | |||||||||
| Segment Reporting Information [Line Items] | |||||||||
| Cash and cash equivalents | 27,303 | 21,936 | $ 22,532 | ||||||
| Restricted cash | 0 | 0 | |||||||
| Receivables, net | 0 | 0 | |||||||
| Inventory owned and consolidated inventory not owned | 0 | 0 | |||||||
| Loans held-for-sale | 0 | 0 | |||||||
| Investments in equity securities | 131,350 | 346,820 | |||||||
| Investments available-for-sale | 38,804 | 39,060 | |||||||
| Investments held-to-maturity | 0 | 0 | |||||||
| Deposits and pre-acquisition costs on real estate | 0 | 0 | |||||||
| Investments in unconsolidated entities | 363,379 | 367,965 | |||||||
| Goodwill | 0 | 0 | |||||||
| Other assets | 135,364 | 121,851 | |||||||
| Total assets | [1] | 696,200 | 897,632 | ||||||
| Senior notes and other debts payable, net | 0 | 0 | |||||||
| Liabilities related to consolidated inventory not owned | 0 | 0 | |||||||
| Accounts payable and other liabilities | 92,391 | 100,447 | |||||||
| Total liabilities | [2] | $ 92,391 | $ 100,447 | ||||||
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