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Operating And Reporting Segments (Financial Services Warehouse Facilities) (Details) - USD ($) | 12 Months Ended
--- | ---
Nov. 30, 2021 | Nov. 30, 2020 | Nov. 30, 2019
Short-term Debt [Line Items] |  |  |
Total revenues | $ 27,130,676,000 | $ 22,488,854,000 | $ 22,259,561,000
Warehouse Repurchase Facility | Financial Services |  |  |
Short-term Debt [Line Items] |  |  |
Maximum Aggregate Commitment | $ 2,850,000,000 |  |
Warehouse repurchase facility term | 364 days |  |
Residential Warehouse Repurchase Facility Due in January 2021 | Warehouse Repurchase Facility | Financial Services |  |  |
Short-term Debt [Line Items] |  |  |
Maximum Aggregate Commitment | $ 500,000,000 |  |
Residential Warehouse Repurchase Facility Due in March 2021 | Warehouse Repurchase Facility | Financial Services |  |  |
Short-term Debt [Line Items] |  |  |
Maximum Aggregate Commitment | 700,000,000 |  |
Residential Warehouse Repurchase Facility Due in June 2021 | Warehouse Repurchase Facility | Financial Services |  |  |
Short-term Debt [Line Items] |  |  |
Maximum Aggregate Commitment | 600,000,000 |  |
Residential Warehouse Repurchase Facility Due in July 2021 | Warehouse Repurchase Facility | Financial Services |  |  |
Short-term Debt [Line Items] |  |  |
Maximum Aggregate Commitment | 500,000,000 |  |
Residential Warehouse Repurchase Facility | Warehouse Repurchase Facility | Financial Services |  |  |
Short-term Debt [Line Items] |  |  |
Maximum Aggregate Commitment | 2,300,000,000 |  |
Borrowings under facilities | 1,482,258,000 | 1,185,797,000 |
Commercial Warehouse Repurchase Facility Due in December 2020 | Warehouse Repurchase Facility | Financial Services |  |  |
Short-term Debt [Line Items] |  |  |
Maximum Aggregate Commitment | 100,000,000 |  |
Commercial Warehouse Repurchase Facility Due in November 2021 | Warehouse Repurchase Facility | Financial Services |  |  |
Short-term Debt [Line Items] |  |  |
Maximum Aggregate Commitment | 400,000,000 |  |
Commercial Warehouse Repurchase Facility Due in December 2021 | Warehouse Repurchase Facility | Financial Services |  |  |
Short-term Debt [Line Items] |  |  |
Maximum Aggregate Commitment | 50,000,000 |  |
Commercial Warehouse Repurchase Facility | Warehouse Repurchase Facility | Financial Services |  |  |
Short-term Debt [Line Items] |  |  |
Maximum Aggregate Commitment | 550,000,000 |  |
Borrowings under facilities | $ 96,294,000 | $ 124,617,000 |

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