v3.26.3
Borrowings - Maturities of Long-Term Debt (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Aug. 31, 2026
Feb. 28, 2026
Aug. 31, 2025
Aug. 31, 2026
Aug. 31, 2025
Nov. 30, 2025
Debt Instrument [Line Items]            
Total $ 18,458,995     $ 18,458,995   $ 15,895,891
Fair value $ 3,941,920     $ 3,941,920   $ 3,734,843
Weighted-average interest rate 5.18%     5.18%   5.11%
Gains (losses) recognized in interest expense on fair value hedge $ (10,030)   $ (12,486) $ (29,833) $ (37,188)  
Long-term debt            
Debt Instrument [Line Items]            
Gains (losses) recognized in interest expense on fair value hedge 5,672   $ (21,388) 14,153 $ (40,047)  
Fair value, inputs, level 2 and level 3            
Debt Instrument [Line Items]            
Fair value 18,320,516     18,320,516   $ 16,122,970
Unsecured Debt            
Debt Instrument [Line Items]            
Total 15,902,742     15,902,742   12,719,797
Long-term debt gross 2,080,000     $ 2,080,000   2,680,000
Unsecured Debt | Long-term debt            
Debt Instrument [Line Items]            
Gains (losses) recognized in interest expense on fair value hedge 157,000         142,800
Unsecured Debt | Minimum            
Debt Instrument [Line Items]            
Interest rate range   0.00%   0.00%    
Unsecured Debt | Maximum            
Debt Instrument [Line Items]            
Interest rate range   7.50%   7.40%    
Unsecured Debt | Subsidiaries            
Debt Instrument [Line Items]            
Total 651,190     $ 651,190   792,484
Secured Debt | Secured Credit Facility            
Debt Instrument [Line Items]            
Total 670,200     670,200   803,200
Secured Debt | Subsidiaries            
Debt Instrument [Line Items]            
Total 1,905,063     1,905,063   2,383,610
Fixed rate | Unsecured Debt            
Debt Instrument [Line Items]            
2026 0     0   869,461
2027 1,121,714     1,121,714   1,117,106
2028 996,038     996,038   1,029,501
2029 591,472     591,472   586,495
2030 1,013,529     1,013,529   1,063,637
2031 and Later 8,600,403     8,600,403   4,782,178
Fixed rate | Unsecured Debt | Subsidiaries            
Debt Instrument [Line Items]            
2029 0     0   3,937
2030 0     0   1,416
2031 and Later 651,190     651,190   633,372
Fixed rate | Secured Debt | Subsidiaries            
Debt Instrument [Line Items]            
2026 89,923     89,923   166,414
2027 645,309     645,309   630,114
2028 170,595     170,595   746,556
2029 276,495     276,495   191,068
Variable rate | Unsecured Debt            
Debt Instrument [Line Items]            
2026 0     0   45,235
2029 1,313     1,313   1,312
2031 and Later 217,137     217,137   71,924
Variable rate | Unsecured Debt | Subsidiaries            
Debt Instrument [Line Items]            
2026 0     0   100,000
2027 0     0   53,759
Variable rate | Secured Debt | Subsidiaries            
Debt Instrument [Line Items]            
2026 12,935     12,935   525,000
2027 0     0   124,458
2028 670,200     670,200   0
2031 and Later 39,606     39,606   0
Structured Notes | Unsecured Debt            
Debt Instrument [Line Items]            
2026 76,130     76,130   102,743
2027 100,489     100,489   94,777
2028 188,238     188,238   176,009
2029 184,671     184,671   178,956
2030 307,098     307,098   443,825
2031 and Later 2,504,510     2,504,510   2,156,638
Fair value $ 3,941,920     $ 3,941,920   $ 3,734,843