Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 25, 2015	Sep. 26, 2014	Sep. 27, 2013
Current:
U.S: Federal	$ (67)	$ 128	$ (296)
U.S: State	12	(3)	(85)
Non-U.S	352	302	292
Current income tax provision (benefit)	297	427	(89)
Deferred:
U.S: Federal	87	(311)	31
U.S: State	5	(3)	(4)
Non-U.S	(52)	33	(13)
Deferred income tax provision (benefit)	40	(281)	14
Provision (benefit) for income taxes	$ 337	$ 146	$ (75)