Other Income (Expense), Net (Schedule of Other Income (Expense)) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 27, 2026	Mar. 28, 2025
Other Income and Expenses [Abstract]
Other components of net periodic benefit costs	$ 4	$ 2
Investment gains (losses):
Realized investment gains (losses)	(76)	(66)
Unrealized investment gains (losses)	(1)	(24)
Total investment gains (losses)	(77)	(90)
Gain on sale of product line	0	9
Total other income (expense), net	$ (73)	$ (79)