Restructuring and Other Charges, Net (Details 2) - USD ($) $ in Millions	12 Months Ended
	Sep. 25, 2015	Sep. 26, 2014	Sep. 27, 2013
Restructuring reserve
Restructuring reserve at the beginning of the period	$ 114	$ 237	$ 161
Charges	97	42	259
Changes in Estimate	(4)	(19)	(34)
Cash Payments	(92)	(160)	(151)
Non-Cash Items	(21)	(16)	(60)
Currency Translation and Other	(10)	30	62
Restructuring reserve at the end of the period	84	114	237
Fiscal 2015 Actions
Restructuring reserve
Charges	92
Cash Payments	(25)
Non-Cash Items	(21)
Restructuring reserve at the end of the period	46
Fiscal 2014 Actions
Restructuring reserve
Restructuring reserve at the beginning of the period	17
Charges		19
Cash Payments	(8)	(13)
Non-Cash Items		(9)
Currency Translation and Other	(5)	20
Restructuring reserve at the end of the period	4	17
Fiscal 2013 Actions
Restructuring reserve
Restructuring reserve at the beginning of the period	62	160
Charges	2	19	248
Changes in Estimate	(1)	(10)	(8)
Cash Payments	(45)	(110)	(83)
Non-Cash Items		(7)	(58)
Currency Translation and Other	(4)	10	61
Restructuring reserve at the end of the period	14	62	160
Pre-Fiscal 2013 Actions
Restructuring reserve
Restructuring reserve at the beginning of the period	35	77	161
Charges	3	4	11
Changes in Estimate	(3)	(9)	(26)
Cash Payments	(14)	(37)	(68)
Non-Cash Items			(2)
Currency Translation and Other	(1)		1
Restructuring reserve at the end of the period	20	35	77
Employee severance | Fiscal 2015 Actions
Restructuring reserve
Charges	68
Cash Payments	(23)
Restructuring reserve at the end of the period	45
Employee severance | Fiscal 2014 Actions
Restructuring reserve
Restructuring reserve at the beginning of the period	16
Charges		10
Cash Payments	(7)	(13)
Currency Translation and Other	(5)	19
Restructuring reserve at the end of the period	4	16
Employee severance | Fiscal 2013 Actions
Restructuring reserve
Restructuring reserve at the beginning of the period	61	159
Charges		8	185
Changes in Estimate	(1)	(10)	(8)
Cash Payments	(42)	(105)	(79)
Currency Translation and Other	(4)	9	61
Restructuring reserve at the end of the period	14	61	159
Employee severance | Pre-Fiscal 2013 Actions
Restructuring reserve
Restructuring reserve at the beginning of the period	14	51	130
Charges	2	2	7
Changes in Estimate	(3)	(10)	(27)
Cash Payments	(5)	(29)	(58)
Currency Translation and Other	(2)		(1)
Restructuring reserve at the end of the period	6	14	51
Facility and other exit costs | Fiscal 2015 Actions
Restructuring reserve
Charges	3
Cash Payments	(2)
Restructuring reserve at the end of the period	1
Facility and other exit costs | Fiscal 2014 Actions
Restructuring reserve
Restructuring reserve at the beginning of the period	1
Cash Payments	(1)
Currency Translation and Other		1
Restructuring reserve at the end of the period		1
Facility and other exit costs | Fiscal 2013 Actions
Restructuring reserve
Restructuring reserve at the beginning of the period	1	1
Charges	2	4	5
Cash Payments	(3)	(5)	(4)
Currency Translation and Other		1
Restructuring reserve at the end of the period		1	1
Facility and other exit costs | Pre-Fiscal 2013 Actions
Restructuring reserve
Restructuring reserve at the beginning of the period	21	26	31
Charges	1	2	2
Changes in Estimate		1	1
Cash Payments	(9)	(8)	(10)
Currency Translation and Other	1		2
Restructuring reserve at the end of the period	14	21	26
Property, plant, and equipment | Fiscal 2015 Actions
Restructuring reserve
Charges	21
Non-Cash Items	(21)
Property, plant, and equipment | Fiscal 2014 Actions
Restructuring reserve
Charges		9
Non-Cash Items		(9)
Property, plant, and equipment | Fiscal 2013 Actions
Restructuring reserve
Charges		7	58
Non-Cash Items		(7)	(58)
Property, plant, and equipment | Pre-Fiscal 2013 Actions
Restructuring reserve
Charges			2
Non-Cash Items			(2)
Discontinued Operations
Restructuring reserve
Currency Translation and Other	$ (1)	$ 36	$ 65