Document and Entity Information	9 Months Ended
	Jul. 31, 2013	Sep. 03, 2013
Document and Entity Information [Abstract]
Entity Registrant Name	TOLL BROTHERS INC
Entity Central Index Key	0000794170
Current Fiscal Year End Date	--10-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Jul. 31, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding		168,888,000