Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 25, 2023	Jun. 30, 2024	Jun. 25, 2023
Statement of Comprehensive Income [Abstract]
Amortization of actuarial losses and prior service credits, tax	$ 5	$ 10	$ 10	$ 20
Other, net, tax	$ 8	$ 4	$ 8	$ 8