Retirement Plans Changes in Plan Assets and Benefit Obligations (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Changes recognized in accumulated other comprehensive loss:
Settlement	$ 124	$ 0	$ 0
Net amount recognized	(158)	43	54
Pension Benefits
Changes recognized in accumulated other comprehensive loss:
Actuarial gain (loss)	82	(58)	(73)
Amortization of net loss	5	3	0
Net amount recognized	$ 211	$ (55)	$ (73)

Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.

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