Acquisitions (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 29, 2013	Mar. 30, 2012	Mar. 29, 2013	Mar. 30, 2012
Business Acquisition Disclosures
Acquisition of businesses, net of cash acquired	$ 15	$ 110	$ 38	$ 205
Cash balance acquired in the acquisition of a business	3	10	3	15
Acquisition and integration costs		1	1	3
ROW Installation & Services
Business Acquisition Disclosures
Acquisition of businesses, net of cash acquired	15
Cash balance acquired in the acquisition of a business	3
NA Installation & Services and ROW Installation & Services segments
Business Acquisition Disclosures
Acquisition of businesses, net of cash acquired			38
Cash balance acquired in the acquisition of a business			3
Global Products and ROW Installation & Services segments
Business Acquisition Disclosures
Acquisition of businesses, net of cash acquired		110		205
Cash balance acquired in the acquisition of a business		10		15
Visonic Ltd.
Business Acquisition Disclosures
Acquisition of businesses, net of cash acquired				94
Cash balance acquired in the acquisition of a business				$ 5