Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent of Bonus

No definition available.

Name:	syy_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercentofBonus
Namespace Prefix:	syy_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent of Salary

+ References

No definition available.

+ Details

Name:	syy_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercentofSalary
Namespace Prefix:	syy_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of employees' gross pay for which the employer contributes a guaranteed non-elective contribution to a defined contribution plan.

+ References

No definition available.

+ Details

Name:	syy_NonElectiveContributionPercentageOfParticipantCompensation
Namespace Prefix:	syy_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480482/715-20-55-17

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480535/715-20-45-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480506/715-20-50-1

+ Details

Name:	us-gaap_DefinedBenefitPlanFundedStatusOfPlan
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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

- Definition

Amount of cost for defined contribution plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 70
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480794/715-70-50-1

+ Details

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

- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage employer matches of the employee's percentage contribution matched.

+ References

No definition available.

+ Details

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_RetirementPlanNameAxis=syy_SafeHarbor401kPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RetirementPlanNameAxis=syy_SafeHarbor401kPlanNonAdoptingUnionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RetirementPlanNameAxis=syy_ManagementSavingsPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

COMPANY-SPONSORED EMPLOYEE BENEFIT PLANS - Defined Contribution Plans (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 03, 2021
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined contribution plans expense	$ 176.3	$ 145.5	$ 145.8
Safe Harbor 401(k) Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Non-elective employer contribution, percent of participant's compensation	3.00%
Employer matching contribution percent	50.00%
Employer matching contribution, percent of participant's compensation	6.00%
Safe Harbor 401(k) Plan Non Adopting Unions
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer matching contribution percent	50.00%
Employer matching contribution, percent of participant's compensation	6.00%
Management Savings Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Non-elective employer contribution, percent of participant's compensation	3.00%
Employer matching contribution percent	50.00%
Employer matching contribution, percent of participant's compensation	6.00%
Maximum annual contributions per employee, percent of salary	50.00%
Maximum annual contributions per employee, percent of bonus	90.00%
Deferred compensation obligations	$ 105.6	$ 101.3