Intangible Assets, Net (Details) - USD ($) $ in Millions		12 Months Ended
	Oct. 09, 2014	Sep. 25, 2015	Sep. 26, 2014	Sep. 27, 2013
Finite-Lived Intangible Assets
Gross Carrying Amount		$ 2,240	$ 1,635
Accumulated Amortization		(685)	(548)
Net Carrying Amount		1,555	1,087
Finite-lived intangible assets, amortization expense		153	84	$ 80
Aggregate amortization expense on intangible assets
Fiscal 2016		141
Fiscal 2017		137
Fiscal 2018		137
Fiscal 2019		135
Fiscal 2020		131
Thereafter		874
Intellectual property
Finite-Lived Intangible Assets
Gross Carrying Amount		1,150	986
Accumulated Amortization		(524)	(453)
Net Carrying Amount		626	533
Customer relationships
Finite-Lived Intangible Assets
Gross Carrying Amount		1,053	614
Accumulated Amortization		(148)	(83)
Net Carrying Amount		905	531
Other.
Finite-Lived Intangible Assets
Gross Carrying Amount		37	35
Accumulated Amortization		(13)	(12)
Net Carrying Amount		$ 24	$ 23
Measurement Specialties
Finite-Lived Intangible Assets
Finite-lived intangible assets acquired	$ 547