Supplemental Guarantor Information - Subsidiary Guarantees - Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 29, 2018	Jun. 30, 2018	Sep. 30, 2017
Supplemental Guarantor Information [Line Items]
Current assets	$ 8,642,256	$ 8,003,453	$ 8,597,002
Intercompany receivables	0	0	0
Investment in subsidiaries	0	0	0
Plant and equipment, net	4,466,903	4,521,660	4,388,299
Other assets	5,432,923	5,545,291	5,433,289
Total assets	18,542,082	18,070,404	18,418,590
Current liabilities	6,640,952	6,588,746	6,140,282
Intercompany payables	0	0	0
Long-term debt	7,914,344	7,540,765	8,426,359
Other liabilities	1,311,325	1,396,287	1,533,587
Noncontrolling interest	36,887	37,649	83,108
Shareholders’ equity	2,638,574	2,506,957	2,235,254
Total liabilities and shareholders' equity	18,542,082	18,070,404	18,418,590
Reportable Legal Entities | Sysco
Supplemental Guarantor Information [Line Items]
Current assets	370,826	157,994	200,583
Intercompany receivables	6,861,262	6,621,438	4,275,051
Investment in subsidiaries	5,472,246	4,896,004	7,138,247
Plant and equipment, net	278,439	278,855	261,906
Other assets	747,638	788,473	151,031
Total assets	13,730,411	12,742,764	12,026,818
Current liabilities	1,263,290	1,233,541	360,586
Intercompany payables	1,757,839	882,487	0
Long-term debt	7,460,238	7,470,334	8,352,110
Other liabilities	610,469	649,445	1,078,868
Noncontrolling interest	0	0	0
Shareholders’ equity	2,638,575	2,506,957	2,235,254
Total liabilities and shareholders' equity	13,730,411	12,742,764	12,026,818
Reportable Legal Entities | Certain U.S. Broadline Subsidiaries
Supplemental Guarantor Information [Line Items]
Current assets	4,299,713	4,018,444	4,228,854
Intercompany receivables	83,000	270,748	966,873
Investment in subsidiaries	0	0	0
Plant and equipment, net	2,150,263	2,181,576	2,032,227
Other assets	669,256	611,004	514,392
Total assets	7,202,232	7,081,772	7,742,346
Current liabilities	904,086	886,305	4,859,882
Intercompany payables	3,264,045	3,798,134	0
Long-term debt	10,765	8,285	7,191
Other liabilities	550,171	508,387	20,268
Noncontrolling interest	0	0	0
Shareholders’ equity	2,473,165	1,880,661	2,855,005
Total liabilities and shareholders' equity	7,202,232	7,081,772	7,742,346
Reportable Legal Entities | Other Non-Guarantor Subsidiaries
Supplemental Guarantor Information [Line Items]
Current assets	3,971,717	3,827,015	4,167,565
Intercompany receivables	6,301,987	5,793,352	0
Investment in subsidiaries	1,082,550	983,625	0
Plant and equipment, net	2,038,201	2,061,229	2,094,166
Other assets	4,536,366	4,593,537	4,767,866
Total assets	17,930,821	17,258,758	11,029,597
Current liabilities	4,473,576	4,468,900	919,814
Intercompany payables	8,224,365	8,004,917	5,241,924
Long-term debt	443,341	62,146	67,058
Other liabilities	671,022	686,178	434,451
Noncontrolling interest	36,887	37,649	83,108
Shareholders’ equity	4,081,630	3,998,968	4,283,242
Total liabilities and shareholders' equity	17,930,821	17,258,758	11,029,597
Eliminations
Supplemental Guarantor Information [Line Items]
Current assets	0	0	0
Intercompany receivables	(13,246,249)	(12,685,538)	(5,241,924)
Investment in subsidiaries	(6,554,796)	(5,879,629)	(7,138,247)
Plant and equipment, net	0	0	0
Other assets	(520,337)	(447,723)	0
Total assets	(20,321,382)	(19,012,890)	(12,380,171)
Current liabilities	0	0	0
Intercompany payables	(13,246,249)	(12,685,538)	(5,241,924)
Long-term debt	0	0	0
Other liabilities	(520,337)	(447,723)	0
Noncontrolling interest	0	0	0
Shareholders’ equity	(6,554,796)	(5,879,629)	(7,138,247)
Total liabilities and shareholders' equity	$ (20,321,382)	$ (19,012,890)	$ (12,380,171)