Restructuring and Other Charges (Credits), Net - Reserve (Details) $ in Millions	6 Months Ended
	Mar. 25, 2016 USD ($)
Restructuring reserve
Restructuring reserve at the beginning of the period	$ 84
Charges	64
Changes in Estimate	(3)
Cash Payments	(43)
Non-Cash Items	(8)
Restructuring reserve at the end of the period	94
Fiscal 2016 Actions
Restructuring reserve
Charges	60
Cash Payments	(10)
Non-Cash Items	(8)
Restructuring reserve at the end of the period	42
Fiscal 2015 Actions
Restructuring reserve
Restructuring reserve at the beginning of the period	46
Charges	3
Cash Payments	(24)
Restructuring reserve at the end of the period	25
Pre-Fiscal 2015 Actions
Restructuring reserve
Restructuring reserve at the beginning of the period	38
Charges	1
Changes in Estimate	(3)
Cash Payments	(9)
Restructuring reserve at the end of the period	27
Employee severance | Fiscal 2016 Actions
Restructuring reserve
Charges	50
Cash Payments	(8)
Restructuring reserve at the end of the period	42
Employee severance | Fiscal 2015 Actions
Restructuring reserve
Restructuring reserve at the beginning of the period	45
Charges	3
Cash Payments	(23)
Restructuring reserve at the end of the period	25
Employee severance | Pre-Fiscal 2015 Actions
Restructuring reserve
Restructuring reserve at the beginning of the period	24
Changes in Estimate	(3)
Cash Payments	(7)
Restructuring reserve at the end of the period	14
Facility and other exit costs | Fiscal 2016 Actions
Restructuring reserve
Charges	2
Cash Payments	(2)
Facility and other exit costs | Fiscal 2015 Actions
Restructuring reserve
Restructuring reserve at the beginning of the period	1
Cash Payments	(1)
Facility and other exit costs | Pre-Fiscal 2015 Actions
Restructuring reserve
Restructuring reserve at the beginning of the period	14
Charges	1
Cash Payments	(2)
Restructuring reserve at the end of the period	13
Property, plant, and equipment | Fiscal 2016 Actions
Restructuring reserve
Charges	8
Non-Cash Items	$ (8)