Restructuring and Cost Reduction Activities - Schedule of Restructuring and Cost Reduction Activities (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 65	$ 5	$ 73	$ 25
Program costs to date	1,593		1,593
Employee related costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	45	1	42	5
Program costs to date	639		639
Pension curtailment (gain) loss, net
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	0	0	0
Program costs to date	(167)		(167)
Asset related costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	7	(14)	10	(10)
Program costs to date	295		295
Asset impairment
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	0	0	0
Program costs to date	169		169
Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	13	18	21	30
Program costs to date	657		657
Operating Segments | North America
Restructuring Cost and Reserve [Line Items]
Restructuring charges	28	12	32	22
Program costs to date	1,054		1,054
Operating Segments | Europe
Restructuring Cost and Reserve [Line Items]
Restructuring charges	33	(13)	34	(6)
Program costs to date	367		367
Operating Segments | Latin America
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2	2	4	4
Program costs to date	46		46
Operating Segments | AMEA
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2	3	3	3
Program costs to date	101		101
Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	1	0	2
Program costs to date	25		25
Project K [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	15	$ 5	23	$ 25
Program costs to date	$ 1,543		$ 1,543