2012 Separation Transaction (Details 3) (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 Item [Line Items]
Total pre-tax separation charges (income)	$ 12	$ 19	$ 44	$ 51
Continuing Operations
Extraordinary Item [Line Items]
Selling, general and administrative expenses	11	18	41	47
Separation costs	0	4	1	9
Total pre-tax separation charges (income)	$ 11	$ 22	$ 42	$ 56

Amount charged against earnings in the current and future periods for separation related selling, general and administrative expenses.

No definition available.

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