Other Income (Expense), Net (Schedule of Other Income (Expense)) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2025	Jun. 28, 2024	Jun. 27, 2025	Jun. 28, 2024
Other Income and Expenses [Abstract]
Other components of net periodic benefit costs	$ 2	$ 0	$ 4	$ 1
Investment gains (losses):
Realized investment gains (losses)	(6)	0	(72)	(39)
Unrealized investment gains (losses)	(38)	(59)	(62)	(57)
Total investment gains (losses)	(44)	(59)	(134)	(96)
Gain on sale of product line	0	0	9	0
Total other income (expense), net	$ (42)	$ (59)	$ (121)	$ (95)