2012 Separation Transaction (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
Jun. 27, 2014	Jun. 28, 2013	Jun. 27, 2014	Jun. 28, 2013
Extraordinary and Unusual Items [Abstract]
Separation transaction and merger costs	$ 12	$ 19	$ 44	$ 51

Represents the costs associated with the separation transaction, primarily consisting of professional fees, as well as costs related to merger.

No definition available.

Name:	tyc_SeparationTransactionAndMergerCosts
Namespace Prefix:	tyc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration