Document and Entity Information - shares	9 Months Ended
	Jul. 01, 2017	Aug. 02, 2017
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jul. 01, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q3
Trading Symbol	DIS
Entity Registrant Name	WALT DISNEY CO/
Entity Central Index Key	0001001039
Current Fiscal Year End Date	--09-30
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		1,543,480,961