v3.25.4

Segments - Narrative (Details)	Jan. 03, 2026 revenueCategory
Segment Reporting [Abstract]
Number of reportable segments not disclosed flag	true
Products and services, number of categories	3

X

- Definition

Number Of Reportable Segments Not Disclosed Flag

+ References

No definition available.

+ Details

Name:	sna_NumberOfReportableSegmentsNotDisclosedFlag
Namespace Prefix:	sna_
Data Type:	xbrli:booleanItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Products And Services, Number Of Categories

+ References

No definition available.

+ Details

Name:	sna_ProductsAndServicesNumberOfCategories
Namespace Prefix:	sna_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_SegmentReportingAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration