Restructuring and Asset Impairment Charges, Net (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 30, 2011	Dec. 24, 2010
Restructuring and Related Cost
Restructuring and asset impairment charges, net	$ 37	$ 32
Restructuring, asset impairments and divestiture charges (gains), net	37	32
Separation related charges	32
Asset impairment charges related to the separation	23
Restructuring charges related to the separation	2
Minimum
Restructuring and Related Cost
Restructuring and related charges, expected in fiscal 2012	125
Maximum
Restructuring and Related Cost
Restructuring and related charges, expected in fiscal 2012	150
2012 Actions
Restructuring and Related Cost
Restructuring and asset impairment charges, net	32
Separation related restructuring and related charges, expected in fiscal 2012	125
2012 Actions | Employee Severance and Benefits
Restructuring and Related Cost
Restructuring and asset impairment charges, net	7
2012 Actions | Facility Exit and Other Charges
Restructuring and Related Cost
Restructuring and asset impairment charges, net	25
2012 Actions | Tyco Security Solutions
Restructuring and Related Cost
Restructuring and asset impairment charges, net	24
2012 Actions | Tyco Security Solutions | Employee Severance and Benefits
Restructuring and Related Cost
Restructuring and asset impairment charges, net	2
2012 Actions | Tyco Security Solutions | Facility Exit and Other Charges
Restructuring and Related Cost
Restructuring and asset impairment charges, net	22
Asset impairment charges related to the separation	21
2012 Actions | Tyco Fire Protection
Restructuring and Related Cost
Restructuring and asset impairment charges, net	3
2012 Actions | Tyco Fire Protection | Employee Severance and Benefits
Restructuring and Related Cost
Restructuring and asset impairment charges, net	1
2012 Actions | Tyco Fire Protection | Facility Exit and Other Charges
Restructuring and Related Cost
Restructuring and asset impairment charges, net	2
Asset impairment charges related to the separation	2
2012 Actions | Tyco Flow Control
Restructuring and Related Cost
Restructuring and asset impairment charges, net	1
2012 Actions | Tyco Flow Control | Employee Severance and Benefits
Restructuring and Related Cost
Restructuring and asset impairment charges, net	1
2012 Actions | Corporate and Other
Restructuring and Related Cost
Restructuring and asset impairment charges, net	4
2012 Actions | Corporate and Other | Employee Severance and Benefits
Restructuring and Related Cost
Restructuring and asset impairment charges, net	3
Separation related charges	1
2012 Actions | Corporate and Other | Facility Exit and Other Charges
Restructuring and Related Cost
Separation related charges	1
Restructuring charges related to the separation	1
2011 Program
Restructuring and Related Cost
Restructuring and asset impairment charges, net	4	33
Restructuring, asset impairments and divestiture charges (gains), net	89
2011 Program | Employee Severance and Benefits
Restructuring and Related Cost
Restructuring and asset impairment charges, net	2	31
Restructuring, asset impairments and divestiture charges (gains), net	69
2011 Program | Facility Exit and Other Charges
Restructuring and Related Cost
Restructuring and asset impairment charges, net	2	2
Restructuring, asset impairments and divestiture charges (gains), net	19
2011 Program | Charges Reflected in Cost of sales
Restructuring and Related Cost
Restructuring, asset impairments and divestiture charges (gains), net	2
2011 Program | Charges Reflected in SG and A
Restructuring and Related Cost
Restructuring, asset impairments and divestiture charges (gains), net	(1)
2011 Program | Tyco Security Solutions
Restructuring and Related Cost
Restructuring and asset impairment charges, net	4	4
Restructuring, asset impairments and divestiture charges (gains), net	30
2011 Program | Tyco Security Solutions | Employee Severance and Benefits
Restructuring and Related Cost
Restructuring and asset impairment charges, net	3	1
Restructuring, asset impairments and divestiture charges (gains), net	23
2011 Program | Tyco Security Solutions | Facility Exit and Other Charges
Restructuring and Related Cost
Restructuring and asset impairment charges, net	1	2
Restructuring, asset impairments and divestiture charges (gains), net	7
2011 Program | Tyco Security Solutions | Charges Reflected in SG and A
Restructuring and Related Cost
Restructuring and asset impairment charges, net		1
2011 Program | Tyco Fire Protection
Restructuring and Related Cost
Restructuring and asset impairment charges, net		25
Restructuring, asset impairments and divestiture charges (gains), net	35
2011 Program | Tyco Fire Protection | Employee Severance and Benefits
Restructuring and Related Cost
Restructuring and asset impairment charges, net		25
Restructuring, asset impairments and divestiture charges (gains), net	31
2011 Program | Tyco Fire Protection | Facility Exit and Other Charges
Restructuring and Related Cost
Restructuring, asset impairments and divestiture charges (gains), net	2
2011 Program | Tyco Fire Protection | Charges Reflected in Cost of sales
Restructuring and Related Cost
Restructuring, asset impairments and divestiture charges (gains), net	2
2011 Program | Tyco Flow Control
Restructuring and Related Cost
Restructuring and asset impairment charges, net	(1)	(1)
Restructuring, asset impairments and divestiture charges (gains), net	11
2011 Program | Tyco Flow Control | Employee Severance and Benefits
Restructuring and Related Cost
Restructuring and asset impairment charges, net	(1)
Restructuring, asset impairments and divestiture charges (gains), net	9
2011 Program | Tyco Flow Control | Facility Exit and Other Charges
Restructuring and Related Cost
Restructuring, asset impairments and divestiture charges (gains), net	3
2011 Program | Tyco Flow Control | Charges Reflected in SG and A
Restructuring and Related Cost
Restructuring and asset impairment charges, net		(1)
Restructuring, asset impairments and divestiture charges (gains), net	(1)
2011 Program | Corporate and Other
Restructuring and Related Cost
Restructuring and asset impairment charges, net	1	5
Restructuring, asset impairments and divestiture charges (gains), net	13
2011 Program | Corporate and Other | Employee Severance and Benefits
Restructuring and Related Cost
Restructuring and asset impairment charges, net		5
Restructuring, asset impairments and divestiture charges (gains), net	6
2011 Program | Corporate and Other | Facility Exit and Other Charges
Restructuring and Related Cost
Restructuring and asset impairment charges, net	1
Restructuring, asset impairments and divestiture charges (gains), net	7
2009 and prior programs
Restructuring and Related Cost
Restructuring and asset impairment charges, net	$ 1	$ (1)