Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2017	Oct. 19, 2017
Document Information [Line Items]
Document Type	10-Q
Document Period End Date	Sep. 30, 2017
Amendment Flag	false
Entity Common Stock, Shares Outstanding		153,351,694
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q3
Trading Symbol	SWK
Entity Registrant Name	STANLEY BLACK & DECKER, INC.
Entity Central Index Key	0000093556
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer