XML 55 R42.htm IDEA: XBRL DOCUMENT v3.8.0.1
Revenue - Revenue by Product (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2018
Apr. 02, 2017
Revenue from External Customer [Line Items]    
Revenue $ 1,366 $ 1,231
Vaccines [Member]    
Revenue from External Customer [Line Items]    
Revenue 356 319
Anti-infective Products [Member]    
Revenue from External Customer [Line Items]    
Revenue 297 268
Other Pharmaceuticals [Member]    
Revenue from External Customer [Line Items]    
Revenue 319 272
Parasiticides [Member]    
Revenue from External Customer [Line Items]    
Revenue 191 184
Medicated feed additives    
Revenue from External Customer [Line Items]    
Revenue 137 123
Other Non Pharmaceuticals [Member]    
Revenue from External Customer [Line Items]    
Revenue 60 54
Total Products and Services [Member]    
Revenue from External Customer [Line Items]    
Revenue 1,360 1,220
Contract Manufacturing    
Revenue from External Customer [Line Items]    
Revenue $ 6 $ 11