Cover - shares	9 Months Ended
	Sep. 28, 2024	Oct. 11, 2024
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 28, 2024
Document Transition Report	false
Entity File Number	1-7724
Entity Registrant Name	Snap-on Inc
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	39-0622040
Entity Address, Address Line One	2801 80th Street,
Entity Address, City or Town	Kenosha,
Entity Address, State or Province	WI
Entity Address, Postal Zip Code	53143
City Area Code	262
Local Phone Number	656-5200
Title of 12(b) Security	Common Stock, $1.00 par value
Trading Symbol	SNA
Security Exchange Name	NYSE
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		52,507,402
Amendment Flag	false
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q3
Entity Central Index Key	0000091440
Current Fiscal Year End Date	--12-28