Schedule of Disaggregation of Revenue (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Disaggregation of Revenue [Line Items]
Net sales	$ 6,443	$ 6,158	$ 12,474	$ 11,981
Meats and seafood
Disaggregation of Revenue [Line Items]
Net sales	2,340	2,218	4,497	4,286
Dry grocery products
Disaggregation of Revenue [Line Items]
Net sales	1,094	1,069	2,154	2,111
Refrigerated and frozen grocery products
Disaggregation of Revenue [Line Items]
Net sales	1,034	973	2,022	1,917
Dairy
Disaggregation of Revenue [Line Items]
Net sales	661	650	1,266	1,260
Equipment, disposables and supplies
Disaggregation of Revenue [Line Items]
Net sales	618	588	1,194	1,128
Beverage products
Disaggregation of Revenue [Line Items]
Net sales	348	335	677	654
Produce
Disaggregation of Revenue [Line Items]
Net sales	$ 348	$ 325	$ 664	$ 625