Supplemental Guarantor Information - Subsidiary Guarantees - Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 28, 2019	Jun. 29, 2019	Sep. 29, 2018	Jun. 30, 2018
Supplemental Guarantor Information [Line Items]
Current assets	$ 8,484,164	$ 8,141,505
Intercompany receivables	0	0
Investment in subsidiaries	0	0
Plant and equipment, net	4,493,016	4,501,705
Other assets	5,979,395	5,323,312
Total assets	18,956,575	17,966,522
Current liabilities	6,101,471	6,103,183
Intercompany payables	0	0
Long-term debt	8,637,706	8,122,058
Other liabilities	1,729,622	1,203,252
Noncontrolling interest	33,028	35,426
Shareholders’ equity	2,454,748	2,502,603	$ 2,638,574	$ 2,506,957
Total liabilities and shareholders’ equity	18,956,575	17,966,522
Reportable Legal Entities | Sysco
Supplemental Guarantor Information [Line Items]
Current assets	172,317	121,993
Intercompany receivables	6,517,293	6,162,303
Investment in subsidiaries	5,305,887	4,680,530
Plant and equipment, net	242,040	252,101
Other assets	817,530	787,986
Total assets	13,055,067	12,004,913
Current liabilities	443,234	465,101
Intercompany payables	1,307,665	686,116
Long-term debt	8,192,123	7,668,314
Other liabilities	657,297	682,779
Noncontrolling interest	0	0
Shareholders’ equity	2,454,748	2,502,603
Total liabilities and shareholders’ equity	13,055,067	12,004,913
Reportable Legal Entities | Certain U.S. Broadline Subsidiaries
Supplemental Guarantor Information [Line Items]
Current assets	4,548,019	4,195,543
Intercompany receivables	148,589	30,469
Investment in subsidiaries	0	0
Plant and equipment, net	2,184,301	2,162,668
Other assets	729,136	718,600
Total assets	7,610,045	7,107,280
Current liabilities	1,061,795	1,018,650
Intercompany payables	3,261,317	3,443,182
Long-term debt	10,747	7,938
Other liabilities	551,789	545,391
Noncontrolling interest	0	0
Shareholders’ equity	2,724,397	2,092,119
Total liabilities and shareholders’ equity	7,610,045	7,107,280
Reportable Legal Entities | Other Non-Guarantor Subsidiaries
Supplemental Guarantor Information [Line Items]
Current assets	3,763,828	3,823,969
Intercompany receivables	3,229,688	3,220,237
Investment in subsidiaries	1,255,862	1,126,315
Plant and equipment, net	2,066,675	2,086,936
Other assets	4,974,095	4,372,725
Total assets	15,290,148	14,630,182
Current liabilities	4,596,442	4,619,432
Intercompany payables	5,326,588	5,283,711
Long-term debt	434,836	445,806
Other liabilities	1,061,902	531,081
Noncontrolling interest	33,028	35,426
Shareholders’ equity	3,837,352	3,714,726
Total liabilities and shareholders’ equity	15,290,148	14,630,182
Eliminations
Supplemental Guarantor Information [Line Items]
Current assets	0	0
Intercompany receivables	(9,895,570)	(9,413,009)
Investment in subsidiaries	(6,561,749)	(5,806,845)
Plant and equipment, net	0	0
Other assets	(541,366)	(555,999)
Total assets	(16,998,685)	(15,775,853)
Current liabilities	0	0
Intercompany payables	(9,895,570)	(9,413,009)
Long-term debt	0	0
Other liabilities	(541,366)	(555,999)
Noncontrolling interest	0	0
Shareholders’ equity	(6,561,749)	(5,806,845)
Total liabilities and shareholders’ equity	$ (16,998,685)	$ (15,775,853)