Loans Payable, Senior Notes, and Mortgage Company Loan Facility Credit Facility (Details Textual 2) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2023	Feb. 14, 2023	Oct. 31, 2022	Oct. 31, 2021
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 4,562,255		$ 4,094,096
Long-term line of credit	$ 2,734,101		$ 2,236,456
Guarantor Subsidiaries [Member] | Toll Brothers
Line of Credit Facility [Line Items]
Subsidiary of Company, Ownership Percentage by Parent	100.00%
Oct 2019 Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,905,000
Line of Credit Facility, term of contract	5 years
Line of credit facility, available for letters of credit	100.00%
Debt Instrument, Interest Rate, Effective Percentage	6.50%
Oct 2021 Revolving Credit Facility Extension Agreement
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity				$ 1,905,000
May 2016 Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Maximum Permissible Leverage Ratio	175.00%
Minimum Net Worth Required for Compliance	$ 3,980,000
Existing Leverage Ratio	0.24
Tangible Net Worth	$ 6,750,000
Ability to repurchase common stock	3,600,000
Ability to pay dividends	2,760,000
Long-term line of credit	0
Letters of credit outstanding, amount	$ 118,900
Feb 2023 Revolving Credit Facility Extension Agreement
Line of Credit Facility [Line Items]
Line of credit facility, additional borrowing capacity amount		$ 3,000,000