Supplemental Guarantor Information - Subsidiary Guarantees - Cash Flows (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Jul. 01, 2017
Cash flows provided by (used for):
Operating activities	$ 933,204	$ 639,401	$ 2,239,404
Investing activities	(402,343)	(3,184,514)	(3,584,461)
Financing activities	(309,928)	(516,282)	(1,682,637)
Effect of exchange rates on cash and cash equivalents	23,510	(10,613)	(22,104)
Intercompany activity		0
Net increase (decrease) in cash and cash equivalents	244,443	(3,072,008)	(3,049,798)
Cash and cash equivalents at beginning of period	869,502	3,919,300	3,919,300
Cash and cash equivalents at end of period	1,113,945	847,292	869,502
Reportable Legal Entities | Sysco
Cash flows provided by (used for):
Operating activities	252,770	292,547	1,535,775
Investing activities	(104,914)	(3,127,225)	(3,274,566)
Financing activities	(159,309)	(430,216)	(1,526,045)
Effect of exchange rates on cash and cash equivalents	0	0	0
Intercompany activity		0
Net increase (decrease) in cash and cash equivalents	(11,453)	(3,264,894)	(3,264,836)
Cash and cash equivalents at beginning of period	111,576	3,376,412	3,376,412
Cash and cash equivalents at end of period	100,123	111,518	111,576
Reportable Legal Entities | Certain U.S. Broadline Subsidiaries
Cash flows provided by (used for):
Operating activities	195,650	143,092	3,023,400
Investing activities	(112,513)	(102,923)	(261,330)
Financing activities	(3,890)	(17,815)	(2,777,661)
Effect of exchange rates on cash and cash equivalents	0	0	0
Intercompany activity		0
Net increase (decrease) in cash and cash equivalents	79,247	22,354	(15,591)
Cash and cash equivalents at beginning of period	18,788	34,379	34,379
Cash and cash equivalents at end of period	98,035	56,733	18,788
Reportable Legal Entities | Other Non-Guarantor Subsidiaries
Cash flows provided by (used for):
Operating activities	484,784	203,762	658,229
Investing activities	(332,538)	45,634	(175,565)
Financing activities	893	(68,251)	(229,931)
Effect of exchange rates on cash and cash equivalents	23,510	(10,613)	(22,104)
Intercompany activity		0
Net increase (decrease) in cash and cash equivalents	176,649	170,532	230,629
Cash and cash equivalents at beginning of period	739,138	508,509	508,509
Cash and cash equivalents at end of period	915,787	679,041	739,138
Eliminations
Cash flows provided by (used for):
Operating activities	0		(2,978,000)
Investing activities	147,622		127,000
Financing activities	(147,622)		2,851,000
Effect of exchange rates on cash and cash equivalents	0		0
Net increase (decrease) in cash and cash equivalents	0		0
Cash and cash equivalents at beginning of period	0	$ 0	0
Cash and cash equivalents at end of period	$ 0		$ 0