Supplemental Guarantor Information - Subsidiary Guarantees - Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 29, 2018	Jun. 30, 2018	Dec. 30, 2017
Supplemental Guarantor Information [Line Items]
Current assets	$ 8,437,783	$ 8,003,453	$ 8,272,168
Intercompany receivables	0	0	0
Investment in subsidiaries	0	0	0
Plant and equipment, net	4,375,550	4,521,660	4,366,292
Other assets	5,380,843	5,545,291	5,580,910
Total assets	18,194,176	18,070,404	18,219,370
Current liabilities	6,750,170	6,588,746	5,982,970
Intercompany payables	0	0	0
Long-term debt	8,019,846	7,540,765	8,312,489
Other liabilities	1,221,167	1,396,287	1,621,785
Noncontrolling interest	35,357	37,649	33,524
Shareholders’ equity	2,167,636	2,506,957	2,268,602
Total liabilities and shareholders' equity	18,194,176	18,070,404	18,219,370
Reportable Legal Entities | Sysco
Supplemental Guarantor Information [Line Items]
Current assets	138,324	157,994	189,553
Intercompany receivables	7,062,518	6,621,438	2,945,188
Investment in subsidiaries	5,864,415	4,896,004	7,623,839
Plant and equipment, net	254,187	278,855	262,790
Other assets	745,923	788,473	965,800
Total assets	14,065,367	12,742,764	11,987,170
Current liabilities	1,211,568	1,233,541	540,008
Intercompany payables	2,514,212	882,487	0
Long-term debt	7,593,478	7,470,334	8,239,844
Other liabilities	578,475	649,445	938,716
Noncontrolling interest	0	0	0
Shareholders’ equity	2,167,634	2,506,957	2,268,602
Total liabilities and shareholders' equity	14,065,367	12,742,764	11,987,170
Reportable Legal Entities | Certain U.S. Broadline Subsidiaries
Supplemental Guarantor Information [Line Items]
Current assets	4,087,103	4,018,444	3,803,349
Intercompany receivables	110,889	270,748	1,276,341
Investment in subsidiaries	0	0	0
Plant and equipment, net	2,122,911	2,181,576	2,018,365
Other assets	684,276	611,004	55,820
Total assets	7,005,179	7,081,772	7,153,875
Current liabilities	928,505	886,305	3,781,141
Intercompany payables	2,535,827	3,798,134	0
Long-term debt	9,605	8,285	6,995
Other liabilities	536,378	508,387	87,230
Noncontrolling interest	0	0	0
Shareholders’ equity	2,994,864	1,880,661	3,278,509
Total liabilities and shareholders' equity	7,005,179	7,081,772	7,153,875
Reportable Legal Entities | Other Non-Guarantor Subsidiaries
Supplemental Guarantor Information [Line Items]
Current assets	4,212,356	3,827,015	4,279,266
Intercompany receivables	2,433,329	5,793,352	0
Investment in subsidiaries	1,210,579	983,625	0
Plant and equipment, net	1,998,452	2,061,229	2,085,137
Other assets	4,465,022	4,593,537	4,559,290
Total assets	14,319,738	17,258,758	10,923,693
Current liabilities	4,610,097	4,468,900	1,661,821
Intercompany payables	4,556,697	8,004,917	4,221,529
Long-term debt	416,763	62,146	65,650
Other liabilities	620,692	686,178	595,839
Noncontrolling interest	35,357	37,649	33,524
Shareholders’ equity	4,080,132	3,998,968	4,345,330
Total liabilities and shareholders' equity	14,319,738	17,258,758	10,923,693
Eliminations
Supplemental Guarantor Information [Line Items]
Current assets	0	0	0
Intercompany receivables	(9,606,736)	(12,685,538)	(4,221,529)
Investment in subsidiaries	(7,074,994)	(5,879,629)	(7,623,839)
Plant and equipment, net	0	0	0
Other assets	(514,378)	(447,723)	0
Total assets	(17,196,108)	(19,012,890)	(11,845,368)
Current liabilities	0	0	0
Intercompany payables	(9,606,736)	(12,685,538)	(4,221,529)
Long-term debt	0	0	0
Other liabilities	(514,378)	(447,723)	0
Noncontrolling interest	0	0	0
Shareholders’ equity	(7,074,994)	(5,879,629)	(7,623,839)
Total liabilities and shareholders' equity	$ (17,196,108)	$ (19,012,890)	$ (11,845,368)