Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 824	$ 921	$ 861
Other comprehensive income (loss), net of tax
Pension and postretirement benefits adjustments, net of reclassifications	419	(82)	283
Foreign currency translation adjustments, net of reclassifications	(71)	45	(103)
Deferred gains (losses) on hedge contracts, net of reclassifications	(8)	5	(3)
Total other comprehensive income (loss), net of tax	340	(32)	177
Comprehensive income	$ 1,164	$ 889	$ 1,038