v3.25.4

Cyber Incident (Narrative) (Details) - Cyber Incident [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 27, 2025	Dec. 28, 2024	Dec. 30, 2023
Unusual Or Infrequent Item [Line Items]
Insurance policy limitations	$ 60
Insurance retention	5
Expenses related to cyber incident	0	$ 9	$ 11
Insurance proceeds related to cyber incident	$ 20	$ 40

No definition available.

+ Details

Name:	hsic_InsurancePolicyCoverageLimit
Namespace Prefix:	hsic_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

Name:	hsic_InsurancePolicyRetention
Namespace Prefix:	hsic_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of insurance proceeds for an event or transaction that is unusual in nature or infrequent in occurrence, or both.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483613/220-20-50-1

+ Details

Name:	us-gaap_UnusualOrInfrequentItemInsuranceProceeds
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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

- Definition

Amount, before deduction of insurance proceeds, of loss recognized in the income statement for an event or transaction that is unusual in nature or infrequent in occurrence, or both.

+ References

+ Details

Name:	us-gaap_UnusualOrInfrequentItemLossGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_UnusualOrInfrequentItemAxis=hsic_CyberIncidentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

HENRY SCHEIN INC 10-K