v3.3.1.900
Restructuring (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Jan. 03, 2016
Jan. 03, 2016
Dec. 28, 2014
Dec. 29, 2013
Restructuring Cost and Reserve [Line Items]        
Restructuring charges   $ 509 $ 0 $ 0
Current year activity   89    
Restructuring reserve $ 501 501    
Severance Costs [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges   484    
Current year activity   0    
Restructuring reserve 484 484    
Asset write-off [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges   86    
Current year activity   86    
Restructuring reserve 0 0    
Supply Contracts [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges   20    
Current year activity   3    
Restructuring reserve 17 17    
Medical Devices [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges 590 $ 590    
Period of workforce reduction   2 years    
Medical Devices [Member] | Cost of Products Sold [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges 81      
Medical Devices [Member] | Severance Costs [Member]        
Restructuring Cost and Reserve [Line Items]        
Pre-tax restructuring charges 500 $ 500    
Restructuring charges 484      
Medical Devices [Member] | Asset write-off [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges 86      
Medical Devices [Member] | Supply Contracts [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges 20      
Minimum [Member] | Medical Devices [Member]        
Restructuring Cost and Reserve [Line Items]        
Pre-tax restructuring charges 2,000 $ 2,000    
Percent of workforce eliminated   4.00%    
Maximum [Member] | Medical Devices [Member]        
Restructuring Cost and Reserve [Line Items]        
Pre-tax restructuring charges $ 2,400 $ 2,400    
Percent of workforce eliminated   6.00%