Restructuring and Cost Reduction Activities Reserves Rollforward (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021
Restructuring Reserve [Roll Forward]
Liability, beginning balance	$ 28	$ 38
Restructuring charge	27	29
Cash payments	(26)	(45)
Non-cash charges and other	(6)	6
Liability, ending balance	23	28
Employee related cost
Restructuring Reserve [Roll Forward]
Liability, beginning balance	28	37
Restructuring charge	10	29
Cash payments	(15)	(38)
Restructuring Reserve, Period Increase (Decrease)	0	0
Liability, ending balance	23	28
Pension curtailment (gain) loss, net
Restructuring Reserve [Roll Forward]
Liability, beginning balance	0	0
Restructuring charge	0	(8)
Cash payments	0	0
Restructuring Reserve, Period Increase (Decrease)	0	8
Liability, ending balance	0	0
Asset related costs
Restructuring Reserve [Roll Forward]
Liability, beginning balance	0	0
Restructuring charge	10	2
Cash payments	(4)	0
Non-cash charges and other	(6)	(2)
Liability, ending balance	0	0
Other cost
Restructuring Reserve [Roll Forward]
Liability, beginning balance	0	1
Restructuring charge	7	6
Cash payments	(7)	(7)
Non-cash charges and other	0	0
Liability, ending balance	$ 0	$ 0