Restructuring and Cost Reduction Activities - Restructuring and Cost Reduction Reserves Rollforward (Details) $ in Millions	3 Months Ended
	Apr. 02, 2016 USD ($)
Restructuring Reserve [Roll Forward]
Liability, beginning balance	$ 88
2016 restructuring charges	52
Cash payments	(56)
Non-cash charges and other	(3)
Liability, ending balance	81
Employee related costs
Restructuring Reserve [Roll Forward]
Liability, beginning balance	55
2016 restructuring charges	14
Cash payments	(20)
Non-cash charges and other	0
Liability, ending balance	49
Asset impairment
Restructuring Reserve [Roll Forward]
Liability, beginning balance	0
2016 restructuring charges	0
Cash payments	0
Non-cash charges and other	0
Liability, ending balance	0
Asset related costs
Restructuring Reserve [Roll Forward]
Liability, beginning balance	0
2016 restructuring charges	10
Cash payments	(7)
Non-cash charges and other	(3)
Liability, ending balance	0
Other costs
Restructuring Reserve [Roll Forward]
Liability, beginning balance	33
2016 restructuring charges	28
Cash payments	(29)
Non-cash charges and other	0
Liability, ending balance	$ 32