Supplemental Guarantor Information (Level 4 BS) (Details 1) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2014	Oct. 31, 2013	Jul. 31, 2013	Oct. 31, 2012	Oct. 31, 2011
ASSETS
Cash and cash equivalents	$ 586,315	$ 772,972		$ 778,824	$ 906,340
Marketable securities	12,026	52,508
Restricted Cash and Cash Equivalents	18,342	32,036
Inventory	6,490,321	4,650,412
Property, construction and office equipment, net	143,010	131,320
Receivables, prepaid expenses, and other assets	251,572	229,295
Mortgage loans receivable	101,944	113,517
Customer deposits held in escrow	42,073	46,888
Investments in and advances to unconsolidated entities	447,078	403,133
Investments in distressed loans	4,001	36,374
Real Estate Acquired Through Foreclosure	69,799	72,972		58,353	5,939
Investments in and Advances to Affiliates, Amount of Equity	0	0
Deferred tax assets, net of valuation allowances	250,421	286,032
Total assets	8,416,902	6,827,459
Liabilities:
Loans payable	654,261	107,222
Senior notes	2,655,044	2,321,442
Mortgage company loan facility	90,281	75,000
Customer deposits	223,799	212,669
Accounts payable	225,347	167,787
Accrued expenses	581,477	522,987
Advances from Affiliiate	0	0
Income taxes payable	125,996	81,188
Total liabilities	4,556,205	3,488,295
Equity:
Common stock	1,779	1,694
Additional paid-in capital	712,162	441,677
Retained earnings	3,232,035	2,892,003
Treasury stock, at cost -- 2,884 shares and 0 shares at October 31, 2014 and October 31, 2013, respectively	(88,762)	0
Accumulated other comprehensive loss	(2,838)	(2,387)	(2,387)	(4,819)
Total stockholders' equity	3,854,376	3,332,987
Noncontrolling interest	6,321	6,177
Total equity	3,860,697	3,339,164		3,127,871	2,592,551
Total liabilities and stockholders' equity	8,416,902	6,827,459
Toll Brothers Inc. [Member]
ASSETS
Cash and cash equivalents	0	0		0	0
Marketable securities
Restricted Cash and Cash Equivalents	15,211	15,182
Inventory
Property, construction and office equipment, net
Receivables, prepaid expenses, and other assets		33
Mortgage loans receivable
Customer deposits held in escrow
Investments in and advances to unconsolidated entities
Investments in distressed loans
Real Estate Acquired Through Foreclosure
Investments in and Advances to Affiliates, Amount of Equity	3,714,788	3,113,203
Deferred tax assets, net of valuation allowances	250,421	286,032
Total assets	3,980,420	3,414,450
Liabilities:
Loans payable
Senior notes
Mortgage company loan facility
Customer deposits
Accounts payable
Accrued expenses
Advances from Affiliiate
Income taxes payable	125,996	81,188
Total liabilities	125,996	81,188
Equity:
Common stock	1,779	1,694
Additional paid-in capital	712,162	441,677
Retained earnings	3,232,035	2,892,003
Treasury stock, at cost -- 2,884 shares and 0 shares at October 31, 2014 and October 31, 2013, respectively	(88,762)
Accumulated other comprehensive loss	(2,790)	(2,112)
Total stockholders' equity	3,854,424	3,333,262
Noncontrolling interest
Total equity	3,854,424	3,333,262
Total liabilities and stockholders' equity	3,980,420	3,414,450
Subsidiary Issuer [Member]
ASSETS
Cash and cash equivalents	0	0		0	0
Marketable securities
Restricted Cash and Cash Equivalents
Inventory
Property, construction and office equipment, net
Receivables, prepaid expenses, and other assets	16,802	15,675
Mortgage loans receivable
Customer deposits held in escrow
Investments in and advances to unconsolidated entities
Investments in distressed loans
Real Estate Acquired Through Foreclosure
Investments in and Advances to Affiliates, Amount of Equity	2,677,448	2,334,503
Deferred tax assets, net of valuation allowances
Total assets	2,694,250	2,350,178
Liabilities:
Loans payable
Senior notes	2,625,712	2,282,719
Mortgage company loan facility
Customer deposits
Accounts payable
Accrued expenses	31,906	25,045
Advances from Affiliiate
Income taxes payable
Total liabilities	2,657,618	2,307,764
Equity:
Common stock
Additional paid-in capital	49,400	49,400
Retained earnings	(12,768)	(6,986)
Treasury stock, at cost -- 2,884 shares and 0 shares at October 31, 2014 and October 31, 2013, respectively
Accumulated other comprehensive loss
Total stockholders' equity	36,632	42,414
Noncontrolling interest
Total equity	36,632	42,414
Total liabilities and stockholders' equity	2,694,250	2,350,178
Guarantor Subsidiaries [Member]
ASSETS
Cash and cash equivalents	455,714	670,102		712,024	777,012
Marketable securities	1,997	42,491
Restricted Cash and Cash Equivalents	2,070	16,007
Inventory	6,260,303	4,557,132
Property, construction and office equipment, net	126,586	116,809
Receivables, prepaid expenses, and other assets	114,863	101,007
Mortgage loans receivable
Customer deposits held in escrow	39,912	46,888
Investments in and advances to unconsolidated entities	132,096	175,159
Investments in distressed loans
Real Estate Acquired Through Foreclosure
Investments in and Advances to Affiliates, Amount of Equity	4,740	4,740
Deferred tax assets, net of valuation allowances
Total assets	7,138,281	5,730,335
Liabilities:
Loans payable	653,269	107,222
Senior notes
Mortgage company loan facility
Customer deposits	221,084	212,669
Accounts payable	225,106	167,733
Accrued expenses	386,223	355,590
Advances from Affiliiate	2,018,981	1,558,669
Income taxes payable
Total liabilities	3,504,663	2,401,883
Equity:
Common stock	48	48
Additional paid-in capital
Retained earnings	3,633,618	3,328,656
Treasury stock, at cost -- 2,884 shares and 0 shares at October 31, 2014 and October 31, 2013, respectively
Accumulated other comprehensive loss	(48)	(252)
Total stockholders' equity	3,633,618	3,328,452
Noncontrolling interest
Total equity	3,633,618	3,328,452
Total liabilities and stockholders' equity	7,138,281	5,730,335
Non-Guarantor Subsidiaries [Member]
ASSETS
Cash and cash equivalents	130,601	102,870		66,800	129,328
Marketable securities	10,029	10,017
Restricted Cash and Cash Equivalents	1,061	847
Inventory	230,018	93,280
Property, construction and office equipment, net	16,424	14,511
Receivables, prepaid expenses, and other assets	137,496	132,015
Mortgage loans receivable	101,944	113,517
Customer deposits held in escrow	2,161
Investments in and advances to unconsolidated entities	314,982	227,974
Investments in distressed loans	4,001	36,374
Real Estate Acquired Through Foreclosure	69,799	72,972
Investments in and Advances to Affiliates, Amount of Equity
Deferred tax assets, net of valuation allowances
Total assets	1,018,516	804,377
Liabilities:
Loans payable	992
Senior notes
Mortgage company loan facility	90,281	75,000
Customer deposits	2,715
Accounts payable	241	54
Accrued expenses	181,649	161,402
Advances from Affiliiate	708,167	536,390
Income taxes payable
Total liabilities	984,045	772,846
Equity:
Common stock	3,006	3,006
Additional paid-in capital	1,734	1,734
Retained earnings	23,410	20,637
Treasury stock, at cost -- 2,884 shares and 0 shares at October 31, 2014 and October 31, 2013, respectively
Accumulated other comprehensive loss		(23)
Total stockholders' equity	28,150	25,354
Noncontrolling interest	6,321	6,177
Total equity	34,471	31,531
Total liabilities and stockholders' equity	1,018,516	804,377
Eliminations [Member]
ASSETS
Cash and cash equivalents	0	0		0	0
Marketable securities
Restricted Cash and Cash Equivalents
Inventory
Property, construction and office equipment, net
Receivables, prepaid expenses, and other assets	(17,589)	(19,435)
Mortgage loans receivable
Customer deposits held in escrow
Investments in and advances to unconsolidated entities
Investments in distressed loans
Real Estate Acquired Through Foreclosure
Investments in and Advances to Affiliates, Amount of Equity	(6,396,976)	(5,452,446)
Deferred tax assets, net of valuation allowances
Total assets	(6,414,565)	(5,471,881)
Liabilities:
Loans payable
Senior notes	29,332	38,723
Mortgage company loan facility
Customer deposits
Accounts payable
Accrued expenses	(18,301)	(19,050)
Advances from Affiliiate	(2,727,148)	(2,095,059)
Income taxes payable
Total liabilities	(2,716,117)	(2,075,386)
Equity:
Common stock	(3,054)	(3,054)
Additional paid-in capital	(51,134)	(51,134)
Retained earnings	(3,644,260)	(3,342,307)
Treasury stock, at cost -- 2,884 shares and 0 shares at October 31, 2014 and October 31, 2013, respectively
Accumulated other comprehensive loss
Total stockholders' equity	(3,698,448)	(3,396,495)
Noncontrolling interest
Total equity	(3,698,448)	(3,396,495)
Total liabilities and stockholders' equity	$ (6,414,565)	$ (5,471,881)