Acquisitions Changes in the Carrying Amount of Goodwill (Details) $ in Millions	9 Months Ended
	Jun. 27, 2015 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 27,881
Goodwill, Acquired During Period	0
Goodwill, Written off Related to Sale of Business Unit	(1)
Goodwill, Other Changes	(32)
Ending balance	27,848
Media Networks
Goodwill [Roll Forward]
Beginning balance	16,378
Goodwill, Acquired During Period	0
Goodwill, Written off Related to Sale of Business Unit	0
Goodwill, Other Changes	(15)
Ending balance	16,363
Parks and Resorts
Goodwill [Roll Forward]
Beginning balance	291
Goodwill, Acquired During Period	0
Goodwill, Written off Related to Sale of Business Unit	0
Goodwill, Other Changes	0
Ending balance	291
Studio Entertainment
Goodwill [Roll Forward]
Beginning balance	6,856
Goodwill, Acquired During Period	0
Goodwill, Written off Related to Sale of Business Unit	0
Goodwill, Other Changes	(12)
Ending balance	6,844
Consumer Products
Goodwill [Roll Forward]
Beginning balance	2,967
Goodwill, Acquired During Period	0
Goodwill, Written off Related to Sale of Business Unit	(1)
Goodwill, Other Changes	0
Ending balance	2,966
Interactive
Goodwill [Roll Forward]
Beginning balance	1,389
Goodwill, Acquired During Period	0
Goodwill, Written off Related to Sale of Business Unit	0
Goodwill, Other Changes	(5)
Ending balance	$ 1,384