Supplemental Guarantor Information (Level 4 BS) (Details 1) - USD ($) $ in Thousands	Jan. 31, 2016	Oct. 31, 2015	Jan. 31, 2015	Oct. 31, 2014
ASSETS
Cash and cash equivalents	$ 336,244	$ 918,993	$ 500,900	$ 586,315
Marketable securities		10,001
Restricted cash	$ 29,350	16,795
Inventory	7,180,050	6,997,516
Property, construction and office equipment, net	134,746	136,755
Receivables, prepaid expenses and other assets	293,467	284,130
Mortgage loans held for sale	73,145	123,175
Customer deposits held in escrow	58,302	56,105
Investments in and advances to unconsolidated entities	414,864	412,860
Investments in foreclosed real estate and distressed loans	48,576	51,730
Investments in and advances to consolidated entities	0	0
Deferred tax assets, net of valuation allowances	194,693	198,455
Total assets	8,763,437	9,206,515
Liabilities:
Loans payable	615,298	1,000,439
Senior notes	2,690,889	2,689,801
Mortgage company loan facility	63,907	100,000
Customer deposits	301,282	284,309
Accounts payable	264,452	236,953
Accrued expenses	607,077	608,066
Advances from Affiliiate	0	0
Income taxes payable	64,567	58,868
Total liabilities	4,607,472	4,978,436
Equity:
Common stock	1,779	1,779
Additional paid-in capital	718,412	728,125
Retained earnings	3,668,382	3,595,202
Treasury stock, at cost	(235,654)	(100,040)
Accumulated other comprehensive loss	(2,770)	(2,509)	(3,021)	(2,838)
Total stockholders' equity	4,150,149	4,222,557
Noncontrolling interest	5,816	5,522
Total equity	4,155,965	4,228,079
Total liabilities and stockholders' equity	8,763,437	9,206,515
Toll Brothers Inc. [Member]
ASSETS
Cash and cash equivalents	0	$ 0	0	0
Marketable securities
Restricted cash	$ 15,192	$ 15,227
Inventory
Property, construction and office equipment, net
Receivables, prepaid expenses and other assets	$ 108	$ 52
Mortgage loans held for sale
Customer deposits held in escrow
Investments in and advances to unconsolidated entities
Investments in foreclosed real estate and distressed loans
Investments in and advances to consolidated entities	$ 4,004,727	$ 4,067,722
Deferred tax assets, net of valuation allowances	194,693	198,455
Total assets	$ 4,214,720	$ 4,281,456
Liabilities:
Loans payable
Senior notes
Mortgage company loan facility
Customer deposits
Accounts payable
Accrued expenses
Advances from Affiliiate
Income taxes payable	$ 64,567	$ 58,868
Total liabilities	64,567	58,868
Equity:
Common stock	1,779	1,779
Additional paid-in capital	718,412	728,125
Retained earnings	3,668,382	3,595,202
Treasury stock, at cost	(235,654)	(100,040)
Accumulated other comprehensive loss	(2,766)	(2,478)
Total stockholders' equity	$ 4,150,153	$ 4,222,588
Noncontrolling interest
Total equity	$ 4,150,153	$ 4,222,588
Total liabilities and stockholders' equity	4,214,720	4,281,456
Subsidiary Issuer [Member]
ASSETS
Cash and cash equivalents	$ 0	$ 0	0	0
Marketable securities
Restricted cash
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 and advances to unconsolidated entities
Investments in foreclosed real estate and distressed loans
Investments in and advances to consolidated entities	$ 2,740,891	$ 2,726,428
Deferred tax assets, net of valuation allowances
Total assets	$ 2,740,891	$ 2,726,428
Liabilities:
Loans payable
Senior notes	$ 2,673,316	$ 2,669,860
Mortgage company loan facility
Customer deposits
Accounts payable
Accrued expenses	$ 38,160	$ 25,699
Advances from Affiliiate
Income taxes payable
Total liabilities	$ 2,711,476	$ 2,695,559
Equity:
Common stock
Additional paid-in capital	$ 49,400	$ 49,400
Retained earnings	$ (19,985)	$ (18,531)
Treasury stock, at cost
Accumulated other comprehensive loss
Total stockholders' equity	$ 29,415	$ 30,869
Noncontrolling interest
Total equity	$ 29,415	$ 30,869
Total liabilities and stockholders' equity	2,740,891	2,726,428
Guarantor Subsidiaries [Member]
ASSETS
Cash and cash equivalents	178,762	$ 783,599	365,900	455,714
Marketable securities
Restricted cash	255	$ 499
Inventory	6,756,683	6,530,698
Property, construction and office equipment, net	119,303	121,178
Receivables, prepaid expenses and other assets	$ 175,176	$ 149,268
Mortgage loans held for sale
Customer deposits held in escrow	$ 57,012	$ 51,767
Investments in and advances to unconsolidated entities	$ 109,031	$ 115,999
Investments in foreclosed real estate and distressed loans
Investments in and advances to consolidated entities	$ 4,740	$ 4,740
Deferred tax assets, net of valuation allowances
Total assets	$ 7,400,962	$ 7,757,748
Liabilities:
Loans payable	$ 615,298	$ 1,000,439
Senior notes
Mortgage company loan facility
Customer deposits	$ 293,703	$ 271,124
Accounts payable	263,955	236,436
Accrued expenses	352,643	361,089
Advances from Affiliiate	$ 1,870,150	$ 1,932,075
Income taxes payable
Total liabilities	$ 3,395,749	$ 3,801,163
Equity:
Common stock	$ 48	$ 48
Additional paid-in capital
Retained earnings	$ 4,005,169	$ 3,956,568
Treasury stock, at cost
Accumulated other comprehensive loss	$ (4)	$ (31)
Total stockholders' equity	$ 4,005,213	$ 3,956,585
Noncontrolling interest
Total equity	$ 4,005,213	$ 3,956,585
Total liabilities and stockholders' equity	7,400,962	7,757,748
Nonguarantor Subsidiaries [Member]
ASSETS
Cash and cash equivalents	157,482	135,394	135,000	$ 130,601
Marketable securities		10,001
Restricted cash	13,903	1,069
Inventory	423,367	466,818
Property, construction and office equipment, net	15,443	15,577
Receivables, prepaid expenses and other assets	169,600	178,680
Mortgage loans held for sale	73,145	123,175
Customer deposits held in escrow	1,290	4,338
Investments in and advances to unconsolidated entities	305,833	296,861
Investments in foreclosed real estate and distressed loans	$ 48,576	$ 51,730
Investments in and advances to consolidated entities
Deferred tax assets, net of valuation allowances
Total assets	$ 1,208,639	$ 1,283,643
Liabilities:
Loans payable
Senior notes
Mortgage company loan facility	$ 63,907	$ 100,000
Customer deposits	7,579	13,185
Accounts payable	497	517
Accrued expenses	269,844	266,411
Advances from Affiliiate	$ 747,531	$ 850,374
Income taxes payable
Total liabilities	$ 1,089,358	$ 1,230,487
Equity:
Common stock	3,006	3,006
Additional paid-in capital	1,734	1,734
Retained earnings	$ 108,725	$ 42,894
Treasury stock, at cost
Accumulated other comprehensive loss
Total stockholders' equity	$ 113,465	$ 47,634
Noncontrolling interest	5,816	5,522
Total equity	119,281	53,156
Total liabilities and stockholders' equity	1,208,639	1,283,643
Eliminations [Member]
ASSETS
Cash and cash equivalents	$ 0	$ 0	$ 0
Marketable securities
Restricted cash
Inventory
Property, construction and office equipment, net
Receivables, prepaid expenses and other assets	$ (51,417)	$ (43,870)
Mortgage loans held for sale
Customer deposits held in escrow
Investments in and advances to unconsolidated entities
Investments in foreclosed real estate and distressed loans
Investments in and advances to consolidated entities	$ (6,750,358)	$ (6,798,890)
Deferred tax assets, net of valuation allowances
Total assets	$ (6,801,775)	$ (6,842,760)
Liabilities:
Loans payable
Senior notes	$ 17,573	$ 19,941
Mortgage company loan facility
Customer deposits
Accounts payable
Accrued expenses	$ (53,570)	$ (45,133)
Advances from Affiliiate	$ (2,617,681)	$ (2,782,449)
Income taxes payable
Total liabilities	$ (2,653,678)	$ (2,807,641)
Equity:
Common stock	(3,054)	(3,054)
Additional paid-in capital	(51,134)	(51,134)
Retained earnings	$ (4,093,909)	$ (3,980,931)
Treasury stock, at cost
Accumulated other comprehensive loss
Total stockholders' equity	$ (4,148,097)	$ (4,035,119)
Noncontrolling interest
Total equity	$ (4,148,097)	$ (4,035,119)
Total liabilities and stockholders' equity	$ (6,801,775)	$ (6,842,760)