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Lennar Homebuilding Senior Notes And Other Debts Payable (Schedule of Letter of Credit Facilities) (Details) - USD ($) $ in Thousands | Nov. 30, 2021 | Nov. 30, 2020
--- | --- | ---
Line of Credit Facility [Line Items] |  |
Letters of credit outstanding | $ 1,400,000 |
Performance letters of credit |  |
Line of Credit Facility [Line Items] |  |
Letters of credit outstanding | 924,584 | $ 752,096
Financial Letters Of Credit |  |
Line of Credit Facility [Line Items] |  |
Letters of credit outstanding | 425,843 | 283,193
Surety bonds |  |
Line of Credit Facility [Line Items] |  |
Letters of credit outstanding | 3,553,047 | 3,087,711
Anticipated future costs primarily for site improvements related to performance surety bonds |  |
Line of Credit Facility [Line Items] |  |
Letters of credit outstanding | $ 1,690,861 | $ 1,584,642

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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Details
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Namespace Prefix: |
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Period Type: |

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- Details
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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
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