Restructuring - Schedule of Restructuring Reserve (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2017	Jul. 03, 2016	Jul. 02, 2017	Jul. 03, 2016
Restructuring Reserve [Roll Forward]
Restructuring charges	$ 11	$ 114	$ 96	$ 234
Medical Devices [Member]
Restructuring Reserve [Roll Forward]
Reserve balance beginning			381
Restructuring charges	128		379
Payments for Restructuring			(303)
Restructuring Reserve, Settled without Cash			(112)
Reserve balance ending	255		255
Medical Devices [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Reserve balance beginning			380
Restructuring charges			0
Payments for Restructuring			(39)
Restructuring Reserve, Settled without Cash			0
Restructuring Reserve, Accrual Adjustment			(90)
Reserve balance ending	251		251
Medical Devices [Member] | Asset Write-off [Member]
Restructuring Reserve [Roll Forward]
Reserve balance beginning			0
Restructuring charges			112
Payments for Restructuring			0
Restructuring Reserve, Settled without Cash			(112)
Restructuring Reserve, Accrual Adjustment			0
Reserve balance ending	0		0
Medical Devices [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Reserve balance beginning			1
Restructuring charges			267
Payments for Restructuring			(264)
Restructuring Reserve, Settled without Cash			0
Restructuring Reserve, Accrual Adjustment			0
Reserve balance ending	$ 4		$ 4