XML 44 R34.htm IDEA: XBRL DOCUMENT v3.22.2

Warranty Reserves - Additional Information (Details)	6 Months Ended
	Jun. 25, 2022
Minimum [Member] | Standard Warranty on Products [Member]
Product Warranty Liability [Line Items]
Product warranty term	1 year
Minimum [Member] | Certain Aviation, Marine and Auto OEM products [Member]
Product Warranty Liability [Line Items]
Product warranty term	2 years
Maximum [Member] | Standard Warranty on Products [Member]
Product Warranty Liability [Line Items]
Product warranty term	2 years

X

- Definition

Information refer to product warranty term.

+ References

No definition available.

+ Details

Name:	grmn_ProductWarrantyTerm
Namespace Prefix:	grmn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=grmn_StandardWarrantyOnProductsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=grmn_CertainAviationMarineAndAutoOEMProductsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: