Debt [Line Items]

No definition available.

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Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	syy_MaximumCommercialPaperLimit
Namespace Prefix:	syy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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

Name:	syy_Shorttermdebtminimumamountoutstandingduringperiod
Namespace Prefix:	syy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of cash receipt from (payment to) bank; or stock received from (issuance to) bank in the settlement of the accelerated share repurchase agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 25
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653

+ Details

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

- 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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13,16)
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-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

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+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

+ Details

Name:	us-gaap_DebtInstrumentRedemptionPricePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

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

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629

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+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

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

- Details

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Namespace Prefix:
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Balance Type:
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- Details

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Namespace Prefix:
Data Type:	na
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- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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- Details

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- Details

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Debt and Other Financing Arrangements (Narrative) (Details)			1 Months Ended	3 Months Ended	12 Months Ended
	Jun. 23, 2016 USD ($)	Jun. 26, 2015	Jul. 31, 2015 USD ($)	Sep. 26, 2015 USD ($)	Jul. 02, 2016 USD ($)	Jun. 27, 2015 USD ($)	Jun. 28, 2014 USD ($)	Apr. 01, 2016 USD ($)	Mar. 14, 2016 GBP (£)	Oct. 31, 2015 USD ($)	Sep. 28, 2015 USD ($)	Sep. 23, 2015 USD ($)
Debt [Line Items]
Maximum commercial paper limit					$ 1,500,000,000
Carrying value of total debt					7,435,402,000	$ 7,321,877,000
Short term bank borrowings and commercial paper borrowings, minimum amount during period					0
Short term bank borrowings and commercial paper borrowings, maximum amount during period					1,000,000,000
Loss on extinguishment of debt				$ 94,800,000	86,460,000	0	$ 0
September 23, 2015
Debt [Line Items]
Value of shares repurchased										$ (1,500,000,000)	$ 1,500,000,000	$ 1,500,000,000
Mandatory redemption
Debt [Line Items]
Redemption price of debt instrument (as a percent)		101.00%
Commercial Paper
Debt [Line Items]
Carrying value of total debt					0
Debt instrument face amount											500,000,000
Senior Notes
Debt [Line Items]
Extinguishment of debt			$ 5,100,000,000
Loss on extinguishment of debt				$ 86,500,000	$ 86,460,000
Senior notes										$ 2,000,000,000	$ 2,000,000,000
Debt instrument face amount								$ 2,500,000,000.0
Redemption price percentage (as a percent)					100.00%
Senior Notes \| Senior notes, interest at 1.25%, maturing in fiscal 2023
Debt [Line Items]
Carrying value of total debt					$ 552,391,000	$ 0
Debt instrument face amount	$ 500,000,000
Redemption price percentage (as a percent)	100.00%
Interest rate on debt instrument	1.25%				1.25%	1.25%
Line of Credit \| Bridge Loan
Debt [Line Items]
Line of credit facility, maximum borrowing capacity					$ 2,440,000,000				£ 1,725,000,000