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Supplemental Guarantor Information - Subsidiary Guarantees (Narrative) (Details) (USD $)
 6 Months Ended
Dec. 27, 2014
Oct. 31, 2014
Subsidiary Guarantee [Member]    
Supplemental Guarantor Information [Line Items]    
Face value of outstanding senior notes and debentures guaranteed by wholly-owned subsidiaries $ 7,500,000,000us-gaap_DebtInstrumentFaceAmount
/ syy_GuaranteeObligationsAxis
= syy_SubsidiaryGuaranteeMember		  
Percentage ownership of subsidiary guarantors by parent 100.00%syy_PercentageOwnershipOfSubsidiaryGuarantorByParent
/ syy_GuaranteeObligationsAxis
= syy_SubsidiaryGuaranteeMember		  
Six-Part Senior Notes Offering [Member]    
Supplemental Guarantor Information [Line Items]    
Face value of outstanding senior notes and debentures guaranteed by wholly-owned subsidiaries   $ 5,000,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= syy_SixPartSeniorNotesOfferingMember