Dispositions and Other Income/(Expense) (Detail) - USD ($) $ in Millions	12 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Sep. 28, 2013
Schedule of Other Income and Expense [Line Items]
Venezuelan foreign currency translation loss	$ 0	$ (143)	$ 0
Celador litigation charge	0	0	(321)
Gain on sale of equity interest in ESS	0	0	219
Gain on sale of property and other	0	112	33
Other income/(expense), net	$ 0	$ (31)	(69)
ESPN STAR Sports
Schedule of Other Income and Expense [Line Items]
Gain on sale of equity interest in ESS			219
Celador
Schedule of Other Income and Expense [Line Items]
Celador litigation charge			$ (321)