Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan.

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Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status.

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Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

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Amount of cost for defined contribution plan.

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Retirement Plans Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 28, 2024	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Settlement charge		$ 671	$ 0	$ 0
Actuarial (loss) gain			58	274
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Net funded status	$ 63	63	(17)	33
Non-cash settlement expense		0	0	0
Actuarial (loss) gain		(74)	58	(274)
Pension Benefits \| Terminating Plan
Defined Benefit Plan Disclosure [Line Items]
Payment for settlement	254
Settlement	414
Net funded status	63	63
Settlement charge	$ 124
Defined Contribution Plan 401K
Defined Benefit Plan Disclosure [Line Items]
Company's contributions to plan		$ 82	$ 65	$ 57
Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan target asset allocations	70.00%	70.00%
Defined benefit actual plan asset allocations	18.00%	18.00%
Debt Securities
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan target asset allocations	30.00%	30.00%
Defined benefit actual plan asset allocations	82.00%	82.00%