Supplemental Guarantor Information (Level 4 BS) (Details 1) - USD ($) $ in Thousands	Oct. 31, 2015	Oct. 31, 2014	Jul. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
ASSETS
Cash and cash equivalents	$ 918,993	$ 586,315	$ 586,315	$ 772,972	$ 778,824
Marketable securities	10,001	12,026
Restricted Cash and Cash Equivalents	16,795	18,342
Inventory	6,997,516	6,490,321
Property, construction and office equipment, net	136,755	143,010
Receivables, prepaid expenses, and other assets	284,130	233,127
Mortgage loans held for sale	123,175	101,944
Customer deposits held in escrow	56,105	42,073
Investments in unconsolidated entities	412,860	447,078
Investments in foreclosed real estate and distressed loans	51,730	73,800
Investments in and Advances to Affiliates, Amount of Equity	0	0
Deferred tax assets, net of valuation allowances	198,455	250,421
Total assets	9,206,515	8,398,457
Liabilities:
Loans payable	1,000,439	652,619
Senior notes	2,689,801	2,638,241
Mortgage company loan facility	100,000	90,281
Customer deposits	284,309	223,799
Accounts payable	236,953	225,347
Accrued expenses	608,066	581,477	$ 581,477
Advances from Affiliiate	0	0
Income taxes payable	58,868	125,996
Total liabilities	4,978,436	4,537,760
Stockholders’ equity:
Common stock	1,779	1,779
Additional paid-in capital	728,125	712,162
Retained earnings	3,595,202	3,232,035
Treasury stock, at cost -- 3,084 shares and 2,884 shares at October 31, 2015 and October 31, 2014, respectively	(100,040)	(88,762)
Accumulated other comprehensive loss	(2,509)	(2,838)		(2,387)
Total stockholders' equity	4,222,557	3,854,376
Noncontrolling interest	5,522	6,321
Total equity	4,228,079	3,860,697		3,339,164	3,127,871
Total liabilities and stockholders' equity	9,206,515	8,398,457
Toll Brothers Inc. [Member]
ASSETS
Cash and cash equivalents	$ 0	$ 0		0	0
Marketable securities
Restricted Cash and Cash Equivalents	$ 15,227	$ 15,211
Inventory
Property, construction and office equipment, net
Receivables, prepaid expenses, and other assets	$ 52
Mortgage loans held for sale
Customer deposits held in escrow
Investments in unconsolidated entities
Investments in foreclosed real estate and distressed loans
Investments in and Advances to Affiliates, Amount of Equity	$ 4,067,722	$ 3,714,788
Deferred tax assets, net of valuation allowances	198,455	250,421
Total assets	$ 4,281,456	$ 3,980,420
Liabilities:
Loans payable
Senior notes
Mortgage company loan facility
Customer deposits
Accounts payable
Accrued expenses
Advances from Affiliiate
Income taxes payable	$ 58,868	$ 125,996
Total liabilities	58,868	125,996
Stockholders’ equity:
Common stock	1,779	1,779
Additional paid-in capital	728,125	712,162
Retained earnings	3,595,202	3,232,035
Treasury stock, at cost -- 3,084 shares and 2,884 shares at October 31, 2015 and October 31, 2014, respectively	(100,040)	(88,762)
Accumulated other comprehensive loss	(2,478)	(2,790)
Total stockholders' equity	$ 4,222,588	$ 3,854,424
Noncontrolling interest
Total equity	$ 4,222,588	$ 3,854,424
Total liabilities and stockholders' equity	4,281,456	3,980,420
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
Mortgage loans held for sale
Customer deposits held in escrow
Investments in unconsolidated entities
Investments in foreclosed real estate and distressed loans
Investments in and Advances to Affiliates, Amount of Equity	$ 2,726,428	$ 2,677,448
Deferred tax assets, net of valuation allowances
Total assets	$ 2,726,428	$ 2,677,448
Liabilities:
Loans payable
Senior notes	$ 2,669,860	$ 2,608,910
Mortgage company loan facility
Customer deposits
Accounts payable
Accrued expenses	$ 25,699	$ 31,906
Advances from Affiliiate
Income taxes payable
Total liabilities	$ 2,695,559	$ 2,640,816
Stockholders’ equity:
Common stock
Additional paid-in capital	$ 49,400	$ 49,400
Retained earnings	$ (18,531)	$ (12,768)
Treasury stock, at cost -- 3,084 shares and 2,884 shares at October 31, 2015 and October 31, 2014, respectively
Accumulated other comprehensive loss
Total stockholders' equity	$ 30,869	$ 36,632
Noncontrolling interest
Total equity	$ 30,869	$ 36,632
Total liabilities and stockholders' equity	2,726,428	2,677,448
Guarantor Subsidiaries [Member]
ASSETS
Cash and cash equivalents	$ 783,599	455,714		670,102	712,024
Marketable securities		1,997
Restricted Cash and Cash Equivalents	$ 499	2,070
Inventory	6,530,698	6,260,303
Property, construction and office equipment, net	121,178	126,586
Receivables, prepaid expenses, and other assets	$ 149,268	$ 113,221
Mortgage loans held for sale
Customer deposits held in escrow	$ 51,767	$ 39,912
Investments in unconsolidated entities	$ 115,999	$ 132,096
Investments in foreclosed real estate and distressed loans
Investments in and Advances to Affiliates, Amount of Equity	$ 4,740	$ 4,740
Deferred tax assets, net of valuation allowances
Total assets	$ 7,757,748	$ 7,136,639
Liabilities:
Loans payable	$ 1,000,439	$ 651,627
Senior notes
Mortgage company loan facility
Customer deposits	$ 271,124	$ 221,084
Accounts payable	236,436	225,106
Accrued expenses	361,089	386,223
Advances from Affiliiate	$ 1,932,075	$ 2,018,981
Income taxes payable
Total liabilities	$ 3,801,163	$ 3,503,021
Stockholders’ equity:
Common stock	$ 48	$ 48
Additional paid-in capital
Retained earnings	$ 3,956,568	$ 3,633,618
Treasury stock, at cost -- 3,084 shares and 2,884 shares at October 31, 2015 and October 31, 2014, respectively
Accumulated other comprehensive loss	$ (31)	$ (48)
Total stockholders' equity	$ 3,956,585	$ 3,633,618
Noncontrolling interest
Total equity	$ 3,956,585	$ 3,633,618
Total liabilities and stockholders' equity	7,757,748	7,136,639
Non-Guarantor Subsidiaries [Member]
ASSETS
Cash and cash equivalents	135,394	130,601		102,870	66,800
Marketable securities	10,001	10,029
Restricted Cash and Cash Equivalents	1,069	1,061
Inventory	466,818	230,018
Property, construction and office equipment, net	15,577	16,424
Receivables, prepaid expenses, and other assets	178,680	137,496
Mortgage loans held for sale	123,175	101,944
Customer deposits held in escrow	4,338	2,161
Investments in unconsolidated entities	296,861	314,982
Investments in foreclosed real estate and distressed loans	$ 51,730	$ 73,800
Investments in and Advances to Affiliates, Amount of Equity
Deferred tax assets, net of valuation allowances
Total assets	$ 1,283,643	$ 1,018,516
Liabilities:
Loans payable		$ 992
Senior notes
Mortgage company loan facility	$ 100,000	$ 90,281
Customer deposits	13,185	2,715
Accounts payable	517	241
Accrued expenses	266,411	181,649
Advances from Affiliiate	$ 850,374	$ 708,167
Income taxes payable
Total liabilities	$ 1,230,487	$ 984,045
Stockholders’ equity:
Common stock	3,006	3,006
Additional paid-in capital	1,734	1,734
Retained earnings	$ 42,894	$ 23,410
Treasury stock, at cost -- 3,084 shares and 2,884 shares at October 31, 2015 and October 31, 2014, respectively
Accumulated other comprehensive loss
Total stockholders' equity	$ 47,634	$ 28,150
Noncontrolling interest	5,522	6,321
Total equity	53,156	34,471
Total liabilities and stockholders' equity	1,283,643	1,018,516
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	$ (43,870)	$ (17,590)
Mortgage loans held for sale
Customer deposits held in escrow
Investments in unconsolidated entities
Investments in foreclosed real estate and distressed loans
Investments in and Advances to Affiliates, Amount of Equity	$ (6,798,890)	$ (6,396,976)
Deferred tax assets, net of valuation allowances
Total assets	$ (6,842,760)	$ (6,414,566)
Liabilities:
Loans payable
Senior notes	$ 19,941	$ 29,331
Mortgage company loan facility
Customer deposits
Accounts payable
Accrued expenses	$ (45,133)	$ (18,301)
Advances from Affiliiate	$ (2,782,449)	$ (2,727,148)
Income taxes payable
Total liabilities	$ (2,807,641)	$ (2,716,118)
Stockholders’ equity:
Common stock	(3,054)	(3,054)
Additional paid-in capital	(51,134)	(51,134)
Retained earnings	$ (3,980,931)	$ (3,644,260)
Treasury stock, at cost -- 3,084 shares and 2,884 shares at October 31, 2015 and October 31, 2014, respectively
Accumulated other comprehensive loss
Total stockholders' equity	$ (4,035,119)	$ (3,698,448)
Noncontrolling interest
Total equity	$ (4,035,119)	$ (3,698,448)
Total liabilities and stockholders' equity	$ (6,842,760)	$ (6,414,566)