Document and Entity Information - shares	9 Months Ended
	Jun. 24, 2016	Jul. 22, 2016
Document and Entity Information
Entity Registrant Name	TYCO INTERNATIONAL PLC
Entity Central Index Key	0000833444
Document Type	10-Q
Document Period End Date	Jun. 24, 2016
Amendment Flag	false
Current Fiscal Year End Date	--09-30
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		426,224,367
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q3