Other Income (Expense), Net (Schedule of Other Income (Expense)) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2023	Sep. 30, 2022	Sep. 29, 2023	Sep. 30, 2022
Other Income and Expenses [Abstract]
Other components of net periodic benefit costs	$ 1	$ 13	$ 6	$ 28
Investment gains (losses):
Realized investment gains (losses)	120	27	120	91
Unrealized investment gains (losses)	(168)	(91)	(178)	(277)
Total investment gains (losses)	(48)	(64)	(58)	(186)
Total other income (expense), net	$ (47)	$ (51)	$ (52)	$ (158)