Revenue - Revenue by Species (Details) - USD ($) $ in Millions |
3 Months Ended | |
---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
|
Revenue from External Customer [Line Items] | ||
Revenue | $ 1,455 | $ 1,366 |
Cattle | ||
Revenue from External Customer [Line Items] | ||
Revenue | 380 | 416 |
Swine | ||
Revenue from External Customer [Line Items] | ||
Revenue | 149 | 175 |
Poultry | ||
Revenue from External Customer [Line Items] | ||
Revenue | 139 | 136 |
Fish | ||
Revenue from External Customer [Line Items] | ||
Revenue | 23 | 22 |
Other | ||
Revenue from External Customer [Line Items] | ||
Revenue | 16 | 21 |
Livestock | ||
Revenue from External Customer [Line Items] | ||
Revenue | 707 | 770 |
Horses | ||
Revenue from External Customer [Line Items] | ||
Revenue | 688 | 549 |
Horses | ||
Revenue from External Customer [Line Items] | ||
Revenue | 41 | 41 |
Companion animal | ||
Revenue from External Customer [Line Items] | ||
Revenue | $ 729 | $ 590 |