Restructuring and Asset Impairment Charges, Net (Details 2) (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 | Facility Exit and Other Charges
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	3		3
2014 Actions | Employee Severance and Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	16		25
2014 Actions | NA Installation & Services
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net			10
2014 Actions | NA Installation & Services | Facility Exit and Other Charges
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	0		0
2014 Actions | NA Installation & Services | Employee Severance and Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	7		10
2014 Actions | ROW Installation & Services
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	10		15
2014 Actions | ROW Installation & Services | Facility Exit and Other Charges
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	3		3
2014 Actions | ROW Installation & Services | Employee Severance and Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	7		12
2014 Actions | Global Products
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net			3
2014 Actions | Global Products | Facility Exit and Other Charges
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	0		0
2014 Actions | Global Products | Employee Severance and Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	2		3
2013 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	(2)	51	0	72
Restructuring and asset impairment charges, total			99
2013 Actions | Facility Exit and Other Charges
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net		2	2	5
Restructuring and asset impairment charges, total			9
2013 Actions | Employee Severance and Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	(2)	49	(2)	67
Restructuring and asset impairment charges, total			90
2013 Actions | NA Installation & Services
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net		16	(1)	22
Restructuring and asset impairment charges, total			34
2013 Actions | NA Installation & Services | Facility Exit and Other Charges
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net		(1)	1	1
Restructuring and asset impairment charges, total			2
2013 Actions | NA Installation & Services | Employee Severance and Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	(1)	17	(2)	21
Restructuring and asset impairment charges, total			32
2013 Actions | ROW Installation & Services
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net		31	(5)	41
Restructuring and asset impairment charges, total			45
2013 Actions | ROW Installation & Services | Facility Exit and Other Charges
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net		1	0	2
Restructuring and asset impairment charges, total			4
2013 Actions | ROW Installation & Services | Employee Severance and Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	(2)	30	(5)	39
Restructuring and asset impairment charges, total			41
2013 Actions | Global Products
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net		4	6	8
Restructuring and asset impairment charges, total			17
2013 Actions | Global Products | Facility Exit and Other Charges
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net		2	1	2
Restructuring and asset impairment charges, total			3
2013 Actions | Global Products | Employee Severance and Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	1	2	5	6
Restructuring and asset impairment charges, total			14
2013 Actions | Corporate and Other
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net				1
Restructuring and asset impairment charges, total			3
2013 Actions | Corporate and Other | Facility Exit and Other Charges
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net				0
Restructuring and asset impairment charges, total			0
2013 Actions | Corporate and Other | Employee Severance and Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net				1
Restructuring and asset impairment charges, total			$ 3