Other Income (Expense), Net (Schedule of Other Income (Expense)) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 27, 2024	Sep. 29, 2023	Sep. 27, 2024	Sep. 29, 2023
Other Income and Expenses [Abstract]
Other components of net periodic benefit costs	$ (1)	$ 1	$ 0	$ 5
Investment gains (losses):
Realized investment gains (losses)	198	120	159	120
Unrealized investment gains (losses)	(95)	(168)	(152)	(163)
Total investment gains (losses)	103	(48)	7	(43)
Total other income (expense), net	$ 102	$ (47)	$ 7	$ (38)

Amount of net pension and postretirement benefits classified as other income.

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Amount of realized and unrealized gain (loss) on investment.

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Amount of income (expense) related to nonoperating activities, classified as other.

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Amount of realized gain (loss) on investment.

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Amount of unrealized gain (loss) on investment.

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