Restructuring and Asset Impairment Charges, Net (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 27, 2014	Jun. 28, 2013	Jun. 27, 2014	Jun. 28, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	$ 17	$ 53	$ 27	$ 82
2014 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	19	0	28	0
2014 Actions | NA Installation & Services
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net			10
2014 Actions | ROW Installation & Services
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	10		15
2014 Actions | Global Products
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net			3
2013 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	(2)	51	0	72
2013 Actions | NA Installation & Services
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net		16	(1)	22
2013 Actions | ROW Installation & Services
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net		31	(5)	41
2013 Actions | Global Products
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net		4	6	8
2012 and prior actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	0	2	(1)	10
Minimum
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges, expected in fiscal 2014			50
Maximum
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges, expected in fiscal 2014			$ 75