Financial Instruments (Details 3) (Intercompany, USD $)	12 Months Ended
Sep. 28, 2012	Sep. 30, 2011	Sep. 24, 2010
Intercompany
Other
Intercompany loans designated as permanent	$ 2,000,000,000	$ 1,400,000,000
Cumulative gain/(loss) on intercompany loans designated as permanent	$ 48,000,000	$ (2,000,000)	$ (34,000,000)

The cumulative translation gain or loss recorded during the reporting period through accumulated other comprehensive income related to the designation of certain intercompany loans as permanent in nature.

No definition available.

Name:	tyc_CumulativeGainLossOnDesignationOfIntercompanyLoansAsPermanent
Namespace Prefix:	tyc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration