Consolidated Segment Data (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
Jun. 29, 2012	Jun. 24, 2011	Jun. 29, 2012 business	Jun. 24, 2011
Selected information by segment
Core businesses number			3
Net revenue	$ 4,460	$ 4,292	$ 13,021	$ 12,662
Operating income (loss)	367	475	1,323	1,618
Commercial Fire and Security
Selected information by segment
Net revenue	2,664	2,582	7,706	7,443
Operating income (loss)	309	280	888	806
ADT North American Residential
Selected information by segment
Net revenue	815	782	2,415	2,314
Operating income (loss)	203	193	587	553
Flow Control
Selected information by segment
Net revenue	981	928	2,900	2,558
Operating income (loss)	112	103	337	289
Corporate and Other
Selected information by segment
Operating income (loss)	(257)	(101)	(489)	(37)
Electrical and Metal Products Segment
Selected information by segment
Net revenue				347
Operating income (loss)				7
Net gain on divestiture				$ 248

This element represents the entity's number of core businesses.

No definition available.

Name:	tyc_CoreBusinessesNumber
Namespace Prefix:	tyc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The gain (loss) resulting from both the sale of a disposal group that is not a discontinued operation and also from the write-down to fair value less cost to sell of certain businesses that did not meet the criteria for discontinued operations. It is included in income from continuing operations before income taxes in the income statement.

+ References

No definition available.

+ Details

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

- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

Name:	us-gaap_OperatingIncomeLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 5

-Section 03

-Paragraph 1

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

+ Details

Name:	us-gaap_Revenues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_SegmentReportingInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration