SUPPLEMENTAL GUARANTOR INFORMATION - SUBSIDIARY GUARANTEES - CASH FLOWS (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jul. 01, 2017
Supplemental Guarantor Information [Line Items]
Operating activities	$ 2,411,207	$ 2,155,380	$ 2,232,567
Investing activities	(742,855)	(910,413)	(3,577,674)
Financing activities	(1,837,274)	(1,410,469)	(1,682,587)
Effect of exchange rates on cash, cash equivalents and restricted cash	(14,677)	11,844	(22,104)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract]
Net decrease in cash, cash equivalents and restricted cash	(183,599)	(153,658)	(3,049,798)
Cash, cash equivalents and restricted cash at beginning of period	715,844	869,502	3,919,300
Cash, cash equivalents and restricted cash at end of period	532,245	715,844	869,502
Cash and Cash Equivalents, Period Increase (Decrease) [Abstract]
Net increase (decrease) in cash and cash equivalents			(3,049,798)
Cash and cash equivalents at the beginning of period	552,325	869,502	3,919,300
Cash and cash equivalents at the end of period	513,460	552,325	869,502
Reportable Legal Entities | Sysco
Supplemental Guarantor Information [Line Items]
Operating activities	1,683,417	1,051,976	1,523,519
Investing activities	544,149	58,864	(3,267,779)
Financing activities	(2,226,842)	(1,193,272)	(1,525,995)
Effect of exchange rates on cash, cash equivalents and restricted cash	0	0	0
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract]
Net decrease in cash, cash equivalents and restricted cash	724	(82,432)
Cash, cash equivalents and restricted cash at beginning of period	29,144	111,576
Cash, cash equivalents and restricted cash at end of period	29,868	29,144	111,576
Cash and Cash Equivalents, Period Increase (Decrease) [Abstract]
Net increase (decrease) in cash and cash equivalents			(3,270,255)
Cash and cash equivalents at the beginning of period		106,157	3,376,412
Cash and cash equivalents at the end of period			106,157
Reportable Legal Entities | Certain U.S. Broadline Subsidiaries
Supplemental Guarantor Information [Line Items]
Operating activities	1,755,756	2,548,139	3,028,819
Investing activities	(263,029)	(439,178)	(261,330)
Financing activities	(1,486,927)	(2,015,906)	(2,777,661)
Effect of exchange rates on cash, cash equivalents and restricted cash	0	0	0
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract]
Net decrease in cash, cash equivalents and restricted cash	5,800	93,055
Cash, cash equivalents and restricted cash at beginning of period	111,843	18,788
Cash, cash equivalents and restricted cash at end of period	117,643	111,843	18,788
Cash and Cash Equivalents, Period Increase (Decrease) [Abstract]
Net increase (decrease) in cash and cash equivalents			(10,172)
Cash and cash equivalents at the beginning of period		24,207	34,379
Cash and cash equivalents at the end of period			24,207
Reportable Legal Entities | Other Non-Guarantor Subsidiaries
Supplemental Guarantor Information [Line Items]
Operating activities	1,092,034	799,062	658,229
Investing activities	(440,743)	(503,745)	(175,565)
Financing activities	(826,737)	(471,442)	(229,931)
Effect of exchange rates on cash, cash equivalents and restricted cash	(14,677)	11,844	(22,104)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract]
Net decrease in cash, cash equivalents and restricted cash	(190,123)	(164,281)
Cash, cash equivalents and restricted cash at beginning of period	574,857	739,138
Cash, cash equivalents and restricted cash at end of period	384,734	574,857	739,138
Cash and Cash Equivalents, Period Increase (Decrease) [Abstract]
Net increase (decrease) in cash and cash equivalents			230,629
Cash and cash equivalents at the beginning of period		739,138	508,509
Cash and cash equivalents at the end of period			739,138
Eliminations
Supplemental Guarantor Information [Line Items]
Operating activities	(2,120,000)	(2,243,797)	(2,978,000)
Investing activities	(583,232)	(26,354)	127,000
Financing activities	2,703,232	2,270,151	2,851,000
Effect of exchange rates on cash, cash equivalents and restricted cash	0	0	0
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract]
Net decrease in cash, cash equivalents and restricted cash	0	0
Cash, cash equivalents and restricted cash at beginning of period	0	0
Cash, cash equivalents and restricted cash at end of period	$ 0	0	0
Cash and Cash Equivalents, Period Increase (Decrease) [Abstract]
Net increase (decrease) in cash and cash equivalents			0
Cash and cash equivalents at the beginning of period		$ 0	0
Cash and cash equivalents at the end of period			$ 0