Intangible Assets, Net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 29, 2019	Mar. 30, 2018	Mar. 29, 2019	Mar. 30, 2018	Sep. 28, 2018
Finite-Lived Intangible Assets
Gross Carrying Amount	$ 2,740		$ 2,740		$ 2,762
Accumulated Amortization	(1,144)		(1,144)		(1,058)
Net Carrying Amount	1,596		1,596		1,704
Finite-lived intangible assets, amortization expense	45	$ 45	90	$ 90
Aggregate amortization expense on intangible assets
Remainder of fiscal 2019	90		90
Fiscal 2020	174		174
Fiscal 2021	171		171
Fiscal 2022	171		171
Fiscal 2023	170		170
Fiscal 2024	140		140
Thereafter	680		680
Customer relationships
Finite-Lived Intangible Assets
Gross Carrying Amount	1,451		1,451		1,468
Accumulated Amortization	(433)		(433)		(389)
Net Carrying Amount	1,018		1,018		1,079
Intellectual property
Finite-Lived Intangible Assets
Gross Carrying Amount	1,255		1,255		1,261
Accumulated Amortization	(694)		(694)		(653)
Net Carrying Amount	561		561		608
Other
Finite-Lived Intangible Assets
Gross Carrying Amount	34		34		33
Accumulated Amortization	(17)		(17)		(16)
Net Carrying Amount	$ 17		$ 17		$ 17