Segment Information - Summary Sales Mix for Principal Product and Service Categories (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 27, 2026	Jun. 28, 2025	Jun. 29, 2024
Segment Reporting Information [Line Items]
Total sales	$ 67,839.5	$ 63,298.9	$ 58,281.2
Cigarettes [Member]
Segment Reporting Information [Line Items]
Total sales	14,993.9	14,529.5	14,390.8
Center of the Plate [Member]
Segment Reporting Information [Line Items]
Total sales	14,891.7	13,157.4	11,509.8
Canned and Dry Groceries [Member]
Segment Reporting Information [Line Items]
Total sales	6,772.9	6,067.2	5,631.1
Frozen Foods [Member]
Segment Reporting Information [Line Items]
Total sales	6,458.0	6,571.0	5,564.9
Candy/Snack/Theater and Concession [Member]
Segment Reporting Information [Line Items]
Total sales	5,765.7	5,371.9	5,211.4
Refrigerated and Dairy Products [Member]
Segment Reporting Information [Line Items]
Total sales	5,145.5	5,154.5	4,441.3
Paper Products and Cleaning Supplies [Member]
Segment Reporting Information [Line Items]
Total sales	3,814.6	3,570.4	3,209.6
Beverage [Member]
Segment Reporting Information [Line Items]
Total sales	3,774.2	3,492.3	3,053.2
Alternative Nicotine Products [Member]
Segment Reporting Information [Line Items]
Total sales	3,750.6	3,424.0	2,857.9
Produce [Member]
Segment Reporting Information [Line Items]
Total sales	1,583.7	1,429.3	1,346.3
Other Miscellaneous Goods and Services [Member]
Segment Reporting Information [Line Items]
Total sales	$ 888.7	$ 531.4	$ 1,064.9