Document and Entity Information - USD ($)	12 Months Ended
	Jul. 01, 2017	Aug. 11, 2017	Dec. 31, 2016
Document Entity Information [Abstract]
Entity Registrant Name	SYSCO CORP
Entity Central Index Key	0000096021
Current Fiscal Year End Date	--07-01
Entity Filer Category	Large Accelerated Filer
Document Type	10-K
Document Period End Date	Jul. 01, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding		527,881,766
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 27,403,829,196