Commitments and Contingencies (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended	18 Months Ended	1 Months Ended		12 Months Ended			3 Months Ended		3 Months Ended	12 Months Ended		12 Months Ended
	Jun. 29, 2012	Sep. 28, 2012 Y	Jun. 29, 2012	Jun. 30, 2002 Frank E. Walsh, Jr.	Dec. 17, 2002 Frank E. Walsh, Jr.	Sep. 28, 2012 Tyco International 2007 Tax Sharing Agreement	Sep. 28, 2012 Covidien 2007 Tax Sharing Agreement	Sep. 28, 2012 TE Connectivity 2007 Tax Sharing Agreement	Mar. 31, 2012 Legacy Matters Former CFO	Sep. 28, 2012 Environmental Matters	Jun. 29, 2012 Asbestos Matters	Sep. 28, 2012 Asbestos Matters Y installment claim	Sep. 30, 2011 Asbestos Matters	Sep. 28, 2012 Compliance Matters count	Sep. 28, 2012 Compliance Matters Covidien	Sep. 28, 2012 Legacy securities matters
Legacy Matters Related to Former Management
Claims against the company by former CEO and former CFO																$ 140
Legacy matter liabilities																91
Adjustment in loss reserve due to lapsing of time periods, recognized net gain									50
Combined payments made by the entity which are subject of a civil complaint against a former director				20
Payments made by the entity to a former director which are subject of a civil complaint				10
Restitution paid by former director					20
Asbestos Matters
Pending claims, number												4,900
Loss contingency accrual												155	84
Loss contingency accrual, before insurance recoveries												401.0	299.0
Loss contingency accrual, insurance recoveries												246	215
Look back period (in years)		3										5
Revised look back period (in years)												3
Look forward period (in years)		15										7
Revised look forward period (in years)												15
Insurance recoveries												97
Number of installments of insurance recoveries												3
Compliance Matters
Loss contingency remedial costs, minimum										48
Loss contingency remedial costs, maximum										60
Probable Contingency loss										50
Loss contingency accrual, accrued and other current liabilities										43
Loss contingency accrual, other liabilities										7
Loss contingency charges											108
Liability for fines, disgorgement and prejudgment interest														26	5
Number of counts														1
ERISA Partial Withdrawal Liability Assessment and Demand
Multi-employer plan, withdrawal liability settlement, charges incurred	28.5
Multi-employer plan, quarterly withdrawal liability payments		6.5
Multi-employer plan, withdrawal liability, total payments to date			$ 22.0
Tax liability share percentage						27.00%	42.00%	31.00%