Restructuring and Asset Impairment Charges, Net (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 26, 2014	Dec. 27, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	$ 58	$ 3
2015 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	44	0
Program 2014 [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Translation Adjustment	(1)
Restructuring and asset impairment charges, net	6	1
2013 and prior actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	8	2
Minimum
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges, expected in fiscal 2014	75
Maximum
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges, expected in fiscal 2014	$ 100