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 |