Retirement Plans Contributions to Multiemployer Pension Plans (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Multiemployer Plans [Line Items]
Multiemployer Plan, Employer Contribution, Cost	$ 57	$ 55	$ 47
Multiemployer plans, withdrawal liability	$ 89
Multiemployer Plan, Pension, Insignificant, Employer Contribution under Collective-Bargaining Arrangement to Total Employer Contribution, Percentage	5.00%
Minneapolis Food Distributing Industry Pension Plan
Multiemployer Plans [Line Items]
Multiemployer Plan, Employer Contribution, Cost	$ 7	6	6
Teamster Pension Trust Fund of Philadelphia and Vicinity
Multiemployer Plans [Line Items]
Multiemployer Plan, Employer Contribution, Cost	5	5	5
Local 703 I.B. of T. Grocery and Food Employees’ Pension Plan
Multiemployer Plans [Line Items]
Multiemployer Plan, Employer Contribution, Cost	3	3	3
United Teamsters Trust Fund A
Multiemployer Plans [Line Items]
Multiemployer Plan, Employer Contribution, Cost	2	2	1
Warehouse Employees Local 169 and Employers Joint Pension Fund
Multiemployer Plans [Line Items]
Multiemployer Plan, Employer Contribution, Cost	1	1	1
Other funds
Multiemployer Plans [Line Items]
Multiemployer Plan, Employer Contribution, Cost	$ 39	$ 38	$ 31
Minimum
Multiemployer Plans [Line Items]
Multiemployer Plan, Pension, Insignificant, Employer Contribution under Collective-Bargaining Arrangement to Total Employer Contribution, Percentage	5.00%