| Cover | Sep. 11, 2023 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Sep. 12, 2023 |
| Entity Registrant Name | Snap-on Inc |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-07724 |
| 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 | 53143-5656 |
| City Area Code | 262 |
| Local Phone Number | 656-5200 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $1.00 par value |
| Trading Symbol | SNA |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0000091440 |
| Amendment Flag | false |
