Loans Payable, Senior Notes, and Mortgage Company Loan Facility (Details Textual 1) (USD $)	12 Months Ended			1 Months Ended		3 Months Ended		1 Months Ended		3 Months Ended
	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012	Nov. 30, 2012	Sep. 30, 2013	Oct. 31, 2013	Apr. 30, 2013	Feb. 29, 2012	Sep. 30, 2012	Oct. 31, 2014	Sep. 05, 2012	Feb. 07, 2012	Nov. 22, 2002	Nov. 12, 2013	Sep. 03, 2003	May 13, 2013	Apr. 03, 2013	Jan. 31, 2014	Mar. 05, 2012	Nov. 13, 2013
Senior Note Payable (Textual) [Abstract]
Percentage of Holding In Subsidiary	100.00%									100.00%
Interest rate on notes											0.50%
Additional common share if convertible debt exchanged	5,900,000
Issued Senior Notes	$ 2,655,044,000	$ 2,321,442,000				$ 2,321,442,000				$ 2,655,044,000
Proceeds from issuance of senior notes	600,000,000	400,383,000	578,696,000
Costs associated with the exchange of both series of notes			1,200,000
Repayments of Senior Debt	267,960,000	163,853,000	0
6.875% Senior notes due 2012 [Member]
Senior Note Payable (Textual) [Abstract]
Interest rate on notes												6.875%	6.875%
Senior Notes Exchanged												80,700,000
Repayments of Senior Debt				59,100,000
4.0% Senior Notes due 2018 [Member]
Senior Note Payable (Textual) [Abstract]
Interest rate on notes	4.00%									4.00%				4.00%
Issued Senior Notes	350,000,000	0				0				350,000,000
Proceeds from Debt, Net of Issuance Costs	596,200,000
Proceeds from issuance of senior notes	350,000,000
5.95% Senior notes due 2013 [Member]
Senior Note Payable (Textual) [Abstract]
Interest rate on notes												5.95%			5.95%
Senior Notes Exchanged												36,900,000
Repayments of Senior Debt					104,800,000
4.375% Senior Notes due 2023 [Member]
Senior Note Payable (Textual) [Abstract]
Interest rate on notes	4.375%									4.375%						4.375%	4.375%
percentage above par, senior debt issued																103.00%
Issued Senior Notes	400,000,000	400,000,000				400,000,000				400,000,000						100,000,000	300,000,000
Proceeds from Debt, Net of Issuance Costs						102,300,000	298,100,000
4.95% Senior Notes due 2014 [Member]
Senior Note Payable (Textual) [Abstract]
Interest rate on notes	4.95%									4.95%								4.95%
Issued Senior Notes	0	267,960,000				267,960,000				0
Repayments of Senior Debt	268,000,000
5.875 % senior notes due 2022 [Member]
Senior Note Payable (Textual) [Abstract]
Interest rate on notes	5.875%									5.875%		5.875%
Issued Senior Notes	419,876,000	419,876,000				419,876,000				419,876,000		300,000,000							119,900,000
Proceeds from issuance of senior notes								296,200,000
0.5% Exchangeable Senior Notes Due 2032 [Member]
Senior Note Payable (Textual) [Abstract]
Interest rate on notes	0.50%									0.50%	0.50%
Additional common share if convertible debt exchanged										5,900,000
Debt Conversion, Convertible, number of shares issued per note exchanged									20.3749
PrincipalAmountDenomination											1,000
Debt Instrument, Convertible, Conversion Price											49.08
Issued Senior Notes	287,500,000	287,500,000				287,500,000				287,500,000	287,500,000
Proceeds from issuance of senior notes									282,500,000
five point six two five percent Senior notes due twenty twenty four [Member]
Senior Note Payable (Textual) [Abstract]
Interest rate on notes	5.625%									5.625%										5.625%
Issued Senior Notes	250,000,000	0				0				250,000,000
Proceeds from issuance of senior notes	$ 250,000,000
Sept2012HoldersofDebtInstrument [Member] | 0.5% Exchangeable Senior Notes Due 2032 [Member]
Senior Note Payable (Textual) [Abstract]
Debt Instrument, Convertible, Terms of Conversion Feature									Holders of the 0.5% Senior Notes will have the right to require Toll Brothers Finance Corp. to repurchase their notes for cash equal to 100% of their principal amount, plus accrued but unpaid interest, on each of December 15, 2017; September 15, 2022; and September 15, 2027.
Sept2012CompanyConversionRighttoDebtInstrument [Member] | 0.5% Exchangeable Senior Notes Due 2032 [Member]
Senior Note Payable (Textual) [Abstract]
Debt Instrument, Convertible, Terms of Conversion Feature									Toll Brothers Finance Corp. will have the right to redeem the 0.5% Senior Notes on or after September 15, 2017, for cash equal to 100% of their principal amount, plus accrued but unpaid interest.