v3.26.1
Loans Payable, Senior Notes, and Mortgage Company Loan Facility - Revolving Credit Facility (Details) - USD ($)
9 Months Ended
Jul. 31, 2026
Feb. 05, 2026
Feb. 04, 2026
Oct. 31, 2025
Line of Credit Facility [Line Items]        
Aggregate loan commitments $ 3,440,707,000     $ 3,052,544,000
Debt obligations borrowed in the aggregate $ 2,507,726,000     $ 2,326,236,000
Guarantor Subsidiaries | Toll Brothers | Revolving Credit Facility        
Line of Credit Facility [Line Items]        
Noncontrolling interest, ownership percentage by parent 100.00%      
Revolving Credit Facility        
Line of Credit Facility [Line Items]        
Aggregate loan commitments     $ 2,350,000,000  
Optional maximum capacity $ 3,000,000,000.00      
Feb 2031 Revolving Credit Facility Extension Agreement        
Line of Credit Facility [Line Items]        
Aggregate loan commitments 2,380,000,000 $ 2,380,000,000    
Outstanding letter of credit $ 130,100,000      
Feb 2028 Revolving Credit Facility Extension Agreement        
Line of Credit Facility [Line Items]        
Commitment percentage relating to letter of credit 50.00%      
Feb 2023 Revolving Credit Facility Extension Agreement        
Line of Credit Facility [Line Items]        
Debt obligations borrowed in the aggregate $ 0      
Debt Instrument, basis spread on variable rate 4.74%