Document and Entity Information - shares	6 Months Ended
	Jun. 27, 2020	Jul. 20, 2020
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 27, 2020
Document Transition Report	false
Entity File Number	001-05224
Entity Registrant Name	STANLEY BLACK & DECKER, INC.
Entity Incorporation, State or Country Code	CT
Entity Tax Identification Number	06-0548860
Entity Address, Address Line One	1000 STANLEY DRIVE
Entity Address, City or Town	NEW BRITAIN
Entity Address, State or Province	CT
Entity Address, Postal Zip Code	06053
City Area Code	860
Local Phone Number	225-5111
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		159,681,745
Entity Central Index Key	0000093556
Document Fiscal Year Focus	2020
Current Fiscal Year End Date	--01-02
Document Fiscal Period Focus	Q2
Amendment Flag	false
Common Stock $2.50 Par Value Per Share
Document Information [Line Items]
Title of 12(b) Security	Common Stock
Trading Symbol	SWK
Security Exchange Name	NYSE
Corporate Units - SWT
Document Information [Line Items]
Title of 12(b) Security	Corporate Units
Trading Symbol	SWT
Security Exchange Name	NYSE