Divestitures - Schedule of Components of (Loss) Income from Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 24, 2016	Jun. 26, 2015	Jun. 24, 2016	Jun. 26, 2015	Sep. 26, 2014
Discontinued Operations and Disposal Groups [Abstract]
Net revenue	$ 0	$ 5	$ 1	$ 15
Pre-tax loss from discontinued operations	0	(3)	(2)	(12)
Pre-tax (loss) gain on sale of discontinued operations	(1)	(29)	16	(28)
Income tax expense	(1)	0	(11)	(10)
(Loss) income from discontinued operations, net of income taxes	$ (2)	$ (32)	3	$ (50)
Settlement included in income tax expense			$ 14
Liability from indemnification for tax related matters					$ 212