Restructuring and Asset Impairment Charges, Net (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 28, 2014	Mar. 29, 2013	Mar. 28, 2014	Mar. 29, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	$ 7	$ 22	$ 10	$ 29
Restructuring Reserve [Roll Forward]
Balance at the beginning of the period			130
Balance at the end of the period	98		98
2014 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	8	0	9	0
Restructuring Reserve [Roll Forward]
Balance at the beginning of the period			0
Charges			9
Utilization			(1)
Balance at the end of the period	8		8
2013 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	1	16	2	21
Restructuring Reserve [Roll Forward]
Balance at the beginning of the period			68
Charges			9
Reversals			(7)
Utilization			(27)
Balance at the end of the period	43		43
2012 and prior actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	(2)	6	(1)	8
Restructuring Reserve [Roll Forward]
Balance at the beginning of the period			62
Charges	1	7	5	11
Reversals	3	1	6	3
Utilization	(6)	(18)	(14)	(36)
Balance at the end of the period	47		47
Employee Severance and Benefits | 2014 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	8		9
Employee Severance and Benefits | 2013 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net		14	0	18
Facility Exit and Other Charges | 2013 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	1	2	2	3
NA Installation & Services | 2013 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net		6	0	6
NA Installation & Services | Employee Severance and Benefits | 2014 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	3		3
NA Installation & Services | Employee Severance and Benefits | 2013 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net		4	(1)	4
NA Installation & Services | Facility Exit and Other Charges | 2013 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net		2	1	2
ROW Installation & Services | 2013 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net		7	(3)	10
ROW Installation & Services | Employee Severance and Benefits | 2014 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	4		5
ROW Installation & Services | Employee Severance and Benefits | 2013 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net		7	(3)	9
ROW Installation & Services | Facility Exit and Other Charges | 2013 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net		0	0	1
Global Products | 2013 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net		3	5	4
Global Products | Employee Severance and Benefits | 2014 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	1		1
Global Products | Employee Severance and Benefits | 2013 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net		3	4	4
Global Products | Facility Exit and Other Charges | 2013 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net	1	0	1	0
Corporate and Other | 2013 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net				1
Corporate and Other | Employee Severance and Benefits | 2013 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net				1
Corporate and Other | Facility Exit and Other Charges | 2013 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges, net				$ 0