v3.23.1
Document and Entity Information Document - shares
 6 Months Ended
Apr. 30, 2023
May 30, 2023
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Apr. 30, 2023  
Document Transition Report false  
Entity File Number 001-09186  
Entity Registrant Name Toll Brothers, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 23-2416878  
Entity Address, Address Line One 1140 Virginia Drive  
Entity Address, City or Town Fort Washington  
Entity Address, State or Province PA  
Entity Address, Postal Zip Code 19034  
City Area Code 215  
Local Phone Number 938-8000  
Title of 12(b) Security Common Stock, par value $0.01 per share  
Trading Symbol TOL  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   109,342,000
Entity Central Index Key 0000794170  
Current Fiscal Year End Date --10-31  
Document Fiscal Year Focus 2023  
Document Fiscal Period Focus Q2  
Amendment Flag false