Revenue Revenue Recognition and Deferred Revenue (Tables)

3 Months Ended

Mar. 31, 2018

Revenue Recognition and Deferred Revenue [Abstract]

Revenue from External Customers by Geographic Areas

Revenue by geographic area

	Three Months Ended
	March 31,		April 2,
(MILLIONS OF DOLLARS)	2018		2017
United States	$	634	$	605
Australia	48		40
Brazil	70		66
Canada	40		34
China	64		52
France	33		29
Germany	38		28
Italy	27		22
Japan	41		34
Mexico	24		18
Spain	25		20
United Kingdom	52		43
Other developed markets	79		68
Other emerging markets	185		161
	1,360		1,220
Contract Manufacturing	6		11
Total Revenue	$	1,366	$	1,231

Revenue from External Customers by Major Species

Revenue by major species

	Three Months Ended
	March 31,		April 2,
(MILLIONS OF DOLLARS)	2018		2017
U.S.
Livestock	$	292	$	282
Companion Animal	342		323
	634		605
International
Livestock	478		421
Companion Animal	248		194
	726		615
Contract Manufacturing	6		11
Total Revenue	$	1,366	$	1,231

Revenue from External Customers by Species

Revenue by species

	Three Months Ended
	March 31,		April 2,
(MILLIONS OF DOLLARS)	2018		2017
Livestock:
Cattle	$	416	$	386
Swine	175		160
Poultry	136		116
Fish	22		21
Other	21		20
	770		703
Companion Animal:
Dogs and Cats	549		482
Horses	41		35
	590		517
Contract Manufacturing	6		11
Total Revenue	$	1,366	$	1,231

Schedule of Significant Product Revenues

Revenue by major product category

	Three Months Ended
	March 31,		April 2,
(MILLIONS OF DOLLARS)	2018		2017
Vaccines	$	356	$	319
Anti-infectives	297		268
Other pharmaceuticals	319		272
Parasiticides	191		184
Medicated feed additives	137		123
Other non-pharmaceuticals	60		54
	1,360		1,220
Contract Manufacturing	6		11
Total Revenue	$	1,366	$	1,231