Supplemental Guarantor Information - Subsidiary Guarantees - Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Jul. 01, 2017	Oct. 01, 2016
Supplemental Guarantor Information [Line Items]
Current assets	$ 8,597,002	$ 8,033,438	$ 8,135,470
Intercompany receivables	0	0
Investment in subsidiaries	0	0	0
Plant and equipment, net	4,388,299	4,377,302	4,418,524
Other assets	5,433,289	5,345,915	5,470,816
Total assets	18,418,590	17,756,655	18,024,810
Current liabilities	6,140,282	6,095,886	5,366,550
Intercompany payables	0	0	0
Long-term debt	8,426,359	7,660,877	7,843,517
Other liabilities	1,533,587	1,535,537	1,717,094
Noncontrolling interests	83,108	82,839	76,863
Shareholders’ equity	2,235,254	2,381,516	3,020,786
Total liabilities and shareholders’ equity	18,418,590	17,756,655	18,024,810
Reportable Legal Entities | Sysco
Supplemental Guarantor Information [Line Items]
Current assets	200,583	177,495	226,681
Intercompany receivables	4,275,051	4,444,035	3,408,107
Investment in subsidiaries	7,138,247	6,451,994	7,865,699
Plant and equipment, net	261,906	258,527	394,254
Other assets	151,031	151,743	199,918
Total assets	12,026,818	11,483,794	12,094,659
Current liabilities	360,586	650,899	433,751
Intercompany payables	0	0	0
Long-term debt	8,352,110	7,588,041	7,607,826
Other liabilities	1,078,868	863,338	1,032,296
Noncontrolling interests	0	0	0
Shareholders’ equity	2,235,254	2,381,516	3,020,786
Total liabilities and shareholders’ equity	12,026,818	11,483,794	12,094,659
Reportable Legal Entities | U.S. Broadline Subsidiaries
Supplemental Guarantor Information [Line Items]
Current assets	4,228,854	3,786,055	4,130,493
Intercompany receivables	966,873	0	0
Investment in subsidiaries	0	0	0
Plant and equipment, net	2,032,227	2,039,761	2,032,194
Other assets	514,392	426,257	1,111,301
Total assets	7,742,346	6,252,073	7,273,988
Current liabilities	4,859,882	3,521,661	1,708,547
Intercompany payables	0	276,933	1,617,949
Long-term debt	7,191	7,776	61,663
Other liabilities	20,268	103,784	156,272
Noncontrolling interests	0	0	0
Shareholders’ equity	2,855,005	2,341,919	3,729,557
Total liabilities and shareholders’ equity	7,742,346	6,252,073	7,273,988
Reportable Legal Entities | Other Non-Guarantor Subsidiaries
Supplemental Guarantor Information [Line Items]
Current assets	4,167,565	4,069,888	3,778,296
Intercompany receivables	0	0
Investment in subsidiaries	0	0	0
Plant and equipment, net	2,094,166	2,079,014	1,992,076
Other assets	4,767,866	4,767,915	4,159,597
Total assets	11,029,597	10,916,817	9,929,969
Current liabilities	919,814	1,923,326	3,224,252
Intercompany payables	5,241,924	4,167,102	1,790,158
Long-term debt	67,058	65,060	174,028
Other liabilities	434,451	568,415	528,526
Noncontrolling interests	83,108	82,839	76,863
Shareholders’ equity	4,283,242	4,110,075	4,136,142
Total liabilities and shareholders’ equity	11,029,597	10,916,817	9,929,969
Eliminations
Supplemental Guarantor Information [Line Items]
Current assets	0	0	0
Intercompany receivables	(5,241,924)	(4,444,035)	(3,408,107)
Investment in subsidiaries	(7,138,247)	(6,451,994)	(7,865,699)
Plant and equipment, net	0	0	0
Other assets	0	0	0
Total assets	(12,380,171)	(10,896,029)	(11,273,806)
Current liabilities	0	0	0
Intercompany payables	(5,241,924)	(4,444,035)	(3,408,107)
Long-term debt	0	0	0
Other liabilities	0	0	0
Noncontrolling interests	0	0	0
Shareholders’ equity	(7,138,247)	(6,451,994)	(7,865,699)
Total liabilities and shareholders’ equity	$ (12,380,171)	$ (10,896,029)	$ (11,273,806)