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Borrowings - Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended
Feb. 28, 2026
Nov. 30, 2025
Debt Instrument [Line Items]    
Interest rate on short-term borrowings outstanding 4.94% 4.92%
Increase of long-term debt $ 1,330,000  
Long-term debt 17,229,419 $ 15,895,891
Discontinued Operations, Held-for-Sale    
Debt Instrument [Line Items]    
Borrowings 51,900  
Structured Notes    
Debt Instrument [Line Items]    
Net proceeds from long term debt 52,200  
Unsecured Debt    
Debt Instrument [Line Items]    
Long-term debt 14,128,556 12,719,797
Net proceeds from long term debt 1,630,000  
Net repayments 188,200  
Unsecured Debt | Subsidiaries    
Debt Instrument [Line Items]    
Long-term debt 695,164 792,484
Secured Debt | Subsidiaries    
Debt Instrument [Line Items]    
Long-term debt 2,405,699 $ 2,383,610
Net proceeds from long term debt 42,300  
Foreign Currency Borrowing | Subsidiaries    
Debt Instrument [Line Items]    
Currency losses on foreign currency borrowings $ 74,800