Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Jan. 04, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 746	$ 309	$ 815
Other comprehensive income (loss), net of tax
Pension and postretirement benefits adjustments, net of reclassifications	981	31	(84)
Foreign currency translation adjustments, net of reclassifications	(37)	78	(4)
Deferred gains (losses) on hedge contracts, net of reclassifications	2	(1)	3
Total other comprehensive income (loss), net of tax	946	108	(85)
Comprehensive income	$ 1,692	$ 417	$ 730