Document and Entity Information - shares	3 Months Ended	9 Months Ended
	Sep. 29, 2018	Sep. 29, 2018	Oct. 19, 2018
Document Information [Line Items]
Document Type	10-Q	10-Q
Document Period End Date		Sep. 29, 2018
Amendment Flag		false
Entity Common Stock, Shares Outstanding			151,060,094
Document Fiscal Year Focus		2018
Document Fiscal Period Focus		Q3
Trading Symbol		SWK
Entity Registrant Name	STANLEY BLACK & DECKER, INC.	STANLEY BLACK & DECKER, INC.
Entity Central Index Key		0000093556
Current Fiscal Year End Date		--12-29
Entity Filer Category		Large Accelerated Filer
Entity Small Business		false
Entity Emerging Growth Company		false