Retirement Plans Funded Status of the Defined Benefit Plans (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
Change in benefit obligation:
Actuarial (gain) loss		$ 274	$ 30
Change in plan assets:
Fair value of plan assets as of beginning of year	$ 753
Fair value of plan assets as of end of year	760	753
Amounts recognized in the consolidated balance sheets consist of the following:
Accrued benefit obligation—noncurrent	(5)	(5)
Pension Benefits
Change in benefit obligation:
Benefit obligation as of beginning of year	720	1,016	1,061
Service cost	2	3	3
Interest cost	38	30	29
Actuarial (gain) loss	58	(274)	(30)
Benefit disbursements	(41)	(55)	(47)
Projected benefit obligation as of end of year	777	720	1,016
Change in plan assets:
Fair value of plan assets as of beginning of year	753	1,103	1,112
(Loss) return on plan assets	48	(295)	38
Benefit disbursements	(41)	(55)	(47)
Fair value of plan assets as of end of year	760	753	1,103
Net funded status	(17)	33	87
Amounts recognized in the consolidated balance sheets consist of the following:
Prepaid benefit obligation—noncurrent	0	34	89
Accrued benefit obligation—current	(16)	0	0
Accrued benefit obligation—noncurrent	(1)	(1)	(1)
Net amount recognized in the consolidated balance sheets	(17)	33	88
Amounts recognized in accumulated other comprehensive loss consist of the following:
Net loss	213	159	85
Net loss recognized in accumulated other comprehensive loss	213	159	85
Accumulated benefit obligation	775	717	1,012
Other Postretirement Plans
Change in benefit obligation:
Benefit obligation as of beginning of year	5	6	6
Benefit disbursements	(1)	(1)	(1)
Other	1	0	1
Projected benefit obligation as of end of year	5	5	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)	(5)	(6)
Amounts recognized in the consolidated balance sheets consist of the following:
Accrued benefit obligation—current	(1)	(1)	(1)
Accrued benefit obligation—noncurrent	(4)	(4)	(5)
Net amount recognized in the consolidated balance sheets	(5)	(5)	(6)
Amounts recognized in accumulated other comprehensive loss consist of the following:
Net loss	1	1	1
Net loss recognized in accumulated other comprehensive loss	1	1	1
Accumulated benefit obligation	$ 5	$ 5	$ 6