Retirement Plans Funded Status of the Defined Benefit Plans (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Change in benefit obligation:
Actuarial (gain) loss		$ 30	$ 98
Change in plan assets:
Fair value of plan assets as of beginning of year	$ 1,103
Fair value of plan assets as of end of year	753	1,103
Amounts recognized in the consolidated balance sheets consist of the following:
Accrued benefit obligation—noncurrent	(5)	(6)
Pension Benefits
Change in benefit obligation:
Benefit obligation as of beginning of year	1,016	1,061	903
Service cost	3	3	3
Interest cost	30	29	32
Actuarial (gain) loss	(274)	(30)	98
Benefit disbursements	(55)	(47)	(45)
Smart Foodservice assumed benefit obligations	0	0	70
Projected benefit obligation as of end of year	720	1,016	1,061
Change in plan assets:
Fair value of plan assets as of beginning of year	1,103	1,112	923
(Loss) return on plan assets	(295)	38	183
Benefit disbursements	(55)	(47)	(45)
Smart Foodservice acquired plan assets	0	0	51
Fair value of plan assets as of end of year	753	1,103	1,112
Net funded status	33	87	51	$ 20
Amounts recognized in the consolidated balance sheets consist of the following:
Prepaid benefit obligation—noncurrent	34	89	53
Accrued benefit obligation—noncurrent	(1)	(1)	(2)
Net amount recognized in the consolidated balance sheets	33	88	51
Amounts recognized in accumulated other comprehensive loss consist of the following:
Net loss	159	85	98
Net loss recognized in accumulated other comprehensive loss	159	85	98
Accumulated benefit obligation	717	1,012	1,057
Other Postretirement Plans
Change in benefit obligation:
Benefit obligation as of beginning of year	6	6	6
Benefit disbursements	(1)	(1)	(1)
Other	0	1	1
Projected benefit obligation as of end of year	5	6	6
Change in plan assets:
Fair value of plan assets as of beginning of year	0	0	0
Defined Benefit Plan, Plan Assets, Contributions by Employer	1	1	1
Benefit disbursements	(1)	(1)	(1)
Fair value of plan assets as of end of year	0	0	0
Net funded status	(5)	(6)	(6)
Amounts recognized in the consolidated balance sheets consist of the following:
Accrued benefit obligation—current	(1)	(1)	0
Accrued benefit obligation—noncurrent	(4)	(5)	(6)
Net amount recognized in the consolidated balance sheets	(5)	(6)	(6)
Amounts recognized in accumulated other comprehensive loss consist of the following:
Net loss	1	1	0
Net loss recognized in accumulated other comprehensive loss	1	1	0
Accumulated benefit obligation	$ 5	$ 6	$ 6