Debt (Details)	9 Months Ended
Mar. 30, 2019 USD ($)
Debt [Line Items]
Maximum board-authorized aggregate commercial paper limit	$ 2,000,000,000.0
Carrying value of total debt	8,300,000,000
Aggregate outstanding commercial paper and short-term debt minimum amount outstanding during period	0
Maximum amount outstanding	669,000,000.0
Commercial paper
Debt [Line Items]
Carrying value of total debt	$ 200,000,000.0
Senior Notes \| Senior Notes, 5.25% Due 2018
Debt [Line Items]
Coupon Rate	5.375%
Repurchased face amount	$ 250,000,000

Debt [Line Items]

No definition available.

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- Definition

Maximum limit of commercial paper that can be issued in the aggregate as authorized by the Board.

+ References

No definition available.

+ Details

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Namespace Prefix:	syy_
Data Type:	xbrli:monetaryItemType
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- Definition

For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, the minimum amount borrowed at any time during the period.

+ References

No definition available.

+ Details

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- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13,16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, the maximum amount borrowed at any time during the period.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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