Supplemental Guarantor Information - Subsidiary Guarantees - Balance Sheet (Details) - USD ($) $ in Thousands	Mar. 30, 2019	Dec. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 30, 2017	Jul. 01, 2017
Supplemental Guarantor Information [Line Items]
Current assets	$ 8,455,549		$ 8,003,453	$ 8,715,871
Intercompany receivables	0		0	0
Investment in subsidiaries	0		0	0
Plant and equipment, net	4,377,059		4,521,660	4,392,158
Other assets	5,368,191		5,545,291	5,521,113
Total assets	18,200,799		18,070,404	18,629,142
Current liabilities	6,500,158		6,588,746	6,046,199
Intercompany payables	0		0	0
Long-term debt	8,134,461		7,540,765	8,835,156
Other liabilities	1,169,223		1,396,287	1,360,665
Noncontrolling interest	35,060		37,649	35,909
Shareholders’ equity	2,361,897	$ 2,167,636	2,506,957	2,351,213	$ 2,268,602	$ 2,381,516
Total liabilities and shareholders' equity	18,200,799		18,070,404	18,629,142
Reportable Legal Entities | Sysco
Supplemental Guarantor Information [Line Items]
Current assets	163,070		157,994	273,948
Intercompany receivables	7,078,153		6,621,438	3,344,142
Investment in subsidiaries	6,227,092		4,896,004	7,771,987
Plant and equipment, net	243,519		278,855	263,472
Other assets	755,655		788,473	891,242
Total assets	14,467,489		12,742,764	12,544,791
Current liabilities	918,395		1,233,541	623,141
Intercompany payables	2,917,036		882,487	0
Long-term debt	7,697,302		7,470,334	8,761,475
Other liabilities	572,859		649,445	808,962
Noncontrolling interest	0		0	0
Shareholders’ equity	2,361,897		2,506,957	2,351,213
Total liabilities and shareholders' equity	14,467,489		12,742,764	12,544,791
Reportable Legal Entities | Certain U.S. Broadline Subsidiaries
Supplemental Guarantor Information [Line Items]
Current assets	4,281,687		4,018,444	4,093,321
Intercompany receivables	124,572		270,748	590,025
Investment in subsidiaries	0		0	0
Plant and equipment, net	2,101,630		2,181,576	2,047,608
Other assets	687,844		611,004	553,270
Total assets	7,195,733		7,081,772	7,284,224
Current liabilities	992,713		886,305	3,704,927
Intercompany payables	2,753,120		3,798,134	0
Long-term debt	8,621		8,285	6,429
Other liabilities	525,069		508,387	531,480
Noncontrolling interest	0		0	0
Shareholders’ equity	2,916,210		1,880,661	3,041,388
Total liabilities and shareholders' equity	7,195,733		7,081,772	7,284,224
Reportable Legal Entities | Other Non-Guarantor Subsidiaries
Supplemental Guarantor Information [Line Items]
Current assets	4,010,792		3,827,015	4,348,602
Intercompany receivables	1,672,208		5,793,352	0
Investment in subsidiaries	1,193,850		983,625	0
Plant and equipment, net	2,031,910		2,061,229	2,081,078
Other assets	4,432,595		4,593,537	4,761,664
Total assets	13,341,355		17,258,758	11,191,344
Current liabilities	4,589,050		4,468,900	1,718,131
Intercompany payables	3,204,777		8,004,917	3,934,167
Long-term debt	428,538		62,146	67,252
Other liabilities	579,198		686,178	705,286
Noncontrolling interest	35,060		37,649	35,909
Shareholders’ equity	4,504,732		3,998,968	4,730,599
Total liabilities and shareholders' equity	13,341,355		17,258,758	11,191,344
Eliminations
Supplemental Guarantor Information [Line Items]
Current assets	0		0	0
Intercompany receivables	(8,874,933)		(12,685,538)	(3,934,167)
Investment in subsidiaries	(7,420,942)		(5,879,629)	(7,771,987)
Plant and equipment, net	0		0	0
Other assets	(507,903)		(447,723)	(685,063)
Total assets	(16,803,778)		(19,012,890)	(12,391,217)
Current liabilities	0		0	0
Intercompany payables	(8,874,933)		(12,685,538)	(3,934,167)
Long-term debt	0		0	0
Other liabilities	(507,903)		(447,723)	(685,063)
Noncontrolling interest	0		0	0
Shareholders’ equity	(7,420,942)		(5,879,629)	(7,771,987)
Total liabilities and shareholders' equity	$ (16,803,778)		$ (19,012,890)	$ (12,391,217)