Acquisitions and Divestitures - Additional Information (Details) - USD ($) $ in Millions			3 Months Ended			6 Months Ended
	Jan. 10, 2025	Apr. 05, 2024	Jun. 28, 2025	Mar. 29, 2025	Jun. 29, 2024	Jun. 28, 2025	Jun. 29, 2024	Dec. 28, 2024
Business Combination [Line Items]
Goodwill			$ 5,767			$ 5,767		$ 5,766
Payments to acquire businesses, net of cash acquired						87	$ 214
Proceeds from divestitures						$ 38	$ 0
Freshway
Business Combination [Line Items]
Proceeds from divestitures			$ 38
Jake's Finer Foods
Business Combination [Line Items]
Payments for acquisition				$ 92
Goodwill	$ 4
Intangible assets	$ 5
IWC Food Service
Business Combination [Line Items]
Payments for acquisition					$ 220
Goodwill		$ 81
Intangible assets		82
Cash acquired from acquisition					6
Payments to acquire businesses, net of cash acquired					$ 214
IWC Food Service | Customer Relationships
Business Combination [Line Items]
Intangible assets		$ 78
Estimated useful lives of intangible assets (in years)		15 years
IWC Food Service | Noncompete Agreements
Business Combination [Line Items]
Intangible assets		$ 4
Estimated useful lives of intangible assets (in years)		5 years