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Homebuilding Senior Notes and Other Debts Payable (Narrative) (Details) - Homebuilding - USD ($)	May 31, 2021	Nov. 30, 2020
Unsecured revolving credit facility | Credit Agreement
Debt Instrument [Line Items]
Maximum borrowings	$ 2,500,000,000
Accordion feature	300,000,000
Maximum borrowing capacity after accordion feature	2,800,000,000
Letter of Credit | Credit Agreement
Debt Instrument [Line Items]
Maximum borrowings	500,000,000
Senior Notes
Debt Instrument [Line Items]
Debt issuance cost	$ 13,600,000	$ 15,900,000

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- Definition

Line of Credit Facility, Accordion Feature, Higher Borrowing Capacity Option

+ References

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- Definition

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- Definition

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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