Income Taxes - Narrative (Details) - USD ($)	3 Months Ended
Apr. 01, 2023	Apr. 02, 2022
Income Tax [Line Items]
Effective income tax rate	23.10%	23.70%
Minimum
Income Tax [Line Items]
Decrease in unrecognized tax benefits	$ 0
Increase in unrecognized tax benefits	0
Maximum
Income Tax [Line Items]
Decrease in unrecognized tax benefits	600,000
Increase in unrecognized tax benefits	$ 600,000

Effective income tax rate on earnings attributable to Snap-on.

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- Definition

Income Tax [Line Items]

+ References

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- Definition

Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (d)(3)
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319

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- Definition

Amount of increase reasonably possible in the next twelve months for the unrecognized tax benefit.

+ References

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