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Operating and Reporting Segments (Financial Information Relating to Company's Segments) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Nov. 30, 2023 | Nov. 30, 2022 | Nov. 30, 2021
Segment Reporting Information [Line Items] |  |  |
Total revenues | $ 34,233,366 | $ 33,671,010 | $ 27,130,676
Earnings before income taxes | 5,202,304 | 6,014,566 | 5,819,058
Lennar Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Unrealized gain (loss) on investments | (50,162) | (655,094) |
Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 34,233,366 | 33,671,010 | 27,130,676
Operating Segments | Homebuilding |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 32,660,987 | 31,951,335 | 25,545,242
Operating earnings (loss): | 5,527,707 | 6,777,317 | 5,031,762
Operating Segments | Financial Services |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 976,859 | 809,680 | 898,745
Operating earnings (loss): | 509,461 | 383,302 | 491,014
Operating Segments | Financial Services | Court Judgment |  |  |
Segment Reporting Information [Line Items] |  |  |
Provision for losses |  | 35,500 |
Operating Segments | Multifamily |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 573,485 | 865,603 | 665,232
Operating earnings (loss): | (50,651) | 69,493 | 21,453
Operating Segments | Lennar Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 22,035 | 44,392 | 21,457
Operating earnings (loss): | (209,788) | (734,649) | 733,035
Unrealized gain (loss) on investments | (50,162) | (655,094) | 510,802
Write Off of non public technology | 65,000 |  |
Corporate and unallocated |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating earnings (loss): | (574,425) | (480,897) | (458,206)
Operating Segments And Corporate Non Segment |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating earnings (loss): | $ 5,202,304 | $ 6,014,566 | $ 5,819,058

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