Consolidated Segment Data (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Mar. 28, 2014		Mar. 29, 2013		Mar. 28, 2014		Mar. 29, 2013
Selected information by segment
Insurance recoveries	$ 21				$ 21
Net revenue	2,487	[1]	2,474	[1]	4,989	[1]	4,945	[1]
Operating income (loss)	248		95		590		307
Legacy Matters Related to Former Management
Legacy legal matters reversal					92		0
NA Installation & Services
Selected information by segment
Net revenue	939	[1]	953	[1]	1,896	[1]	1,929	[1]
ROW Installation & Services
Selected information by segment
Net revenue	943	[1]	943	[1]	1,923	[1]	1,904	[1]
Global Products
Selected information by segment
Net revenue	605	[1]	578	[1]	1,170	[1]	1,112	[1]
Operating Segments | NA Installation & Services
Selected information by segment
Operating income (loss)	99		79		216		187
Operating Segments | ROW Installation & Services
Selected information by segment
Operating income (loss)	103	[2]	77	[2]	196	[2]	168	[2]
Operating Segments | Global Products
Selected information by segment
Operating income (loss)	107		0		193		74
Corporate and Other (2)
Selected information by segment
Operating income (loss)	(61)	[3]	(61)	[3]	(15)	[3]	(122)	[3]
2007 Tax Sharing Agreement
Legacy Matters Related to Former Management
CIT tax settlement					60
Tyco International | 2007 Tax Sharing Agreement
Legacy Matters Related to Former Management
CIT tax settlement					$ 16

[1] Net revenue by operating segment excludes intercompany transactions.

[2] Operating income for the quarter and six months ended March 28, 2014 includes $21 million of an insurance recovery related to the improper recording of revenue in China that was previously disclosed in the fourth quarter of fiscal 2012.

[3] Operating income for the six months ended March 28, 2014 includes $92 million of income related to the settlement of a legacy legal matter with former management and $16 million of income related to the CIT settlement. See Note 11.