Restructuring and Cost Reduction Activities Schedule of Restructuring Programs (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 29	$ 113	$ 143
Program cost to date	88
Employee related cost
Restructuring Cost and Reserve [Line Items]
Restructuring charges	29	49	63
Program cost to date	79
Pension curtailment (gain) loss, net
Restructuring Cost and Reserve [Line Items]
Restructuring charges	(8)	(5)	(30)
Program cost to date	(13)
Asset related costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2	21	16
Program cost to date	2
Asset impairment
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	0	14
Program cost to date	0
Other cost
Restructuring Cost and Reserve [Line Items]
Restructuring charges	6	48	80
Program cost to date	20
North America
Restructuring Cost and Reserve [Line Items]
Restructuring charges	8	50	107
Program cost to date	29
Europe
Restructuring Cost and Reserve [Line Items]
Restructuring charges	3	47	3
Program cost to date	41
Latin America
Restructuring Cost and Reserve [Line Items]
Restructuring charges	5	15	15
Program cost to date	5
AMEA
Restructuring Cost and Reserve [Line Items]
Restructuring charges	12	3	11
Program cost to date	12
Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1	$ (2)	$ 7
Program cost to date	$ 1