Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2021	Jan. 04, 2020	Dec. 29, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 309	$ 815	$ 1,222
Other comprehensive income (loss), net of tax
Pension and postretirement benefits adjustments, net of reclassifications	31	(84)	(74)
Foreign currency translation adjustments, net of reclassifications	78	(4)	(43)
Deferred gains (losses) on hedge contracts, net of reclassifications	(1)	3	(13)
Total other comprehensive income (loss), net of tax	108	(85)	(130)
Comprehensive income	$ 417	$ 730	$ 1,092