Restructuring and Asset Impairment Charges, Net (Details 4) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 27, 2014	Jun. 28, 2013	Jun. 27, 2014	Jun. 28, 2013	Sep. 27, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	$ 100		$ 100		$ 130
Accrued and Other Current Liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	84		84		112
Other Liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	16		16		18
2012 and prior actions
Restructuring Cost and Reserve [Line Items]
Charges	1	2	6	13
Restructuring reserve	44		44		62
Reversals	1	0	7	3
Utilization	3	9	17	45
Selling, general and administrative expenses | Repositioning actions
Restructuring Cost and Reserve [Line Items]
Repositioning charges related to professional fees	$ 13	$ 5	$ 28	$ 9