Revenue (Tables)

12 Months Ended

Dec. 31, 2019

Revenue Recognition and Deferred Revenue [Abstract]

Revenue from External Customers by Geographic Areas

Revenue by geographic area

	Year Ended December 31,
(MILLIONS OF DOLLARS)	2019		2018		2017
United States	$	3,203	$	2,877	$	2,620
Australia	196		189		176
Brazil	293		295		300
Canada	206		203		184
China	200		211		174
France	117		130		121
Germany	153		147		137
Italy	112		104		89
Japan	158		149		138
Mexico	117		100		86
Spain	114		110		93
United Kingdom	198		181		149
Other developed markets	370		361		339
Other emerging markets	738		710		657
	6,175		5,767		5,263
Contract manufacturing & human health	85		58		44
Total Revenue	$	6,260	$	5,825	$	5,307

Revenue from External Customers by Major Species

Revenue by major species

	Year Ended December 31,
(MILLIONS OF DOLLARS)	2019		2018		2017
U.S.
Livestock	$	1,219	$	1,269	$	1,244
Companion animal	1,984		1,608		1,376
	3,203		2,877		2,620
International
Livestock	1,811		1,885		1,793
Companion animal	1,161		1,005		850
	2,972		2,890		2,643
Total
Livestock	3,030		3,154		3,037
Companion animal	3,145		2,613		2,226
Contract manufacturing & human health	85		58		44
Total Revenue	$	6,260	$	5,825	$	5,307

Revenue from External Customers by Species

Revenue by species

	Year Ended December 31,
(MILLIONS OF DOLLARS)	2019		2018		2017
Livestock:
Cattle	$	1,654	$	1,754	$	1,735
Swine	611		663		621
Poultry	559		522		479
Fish	134		132		118
Other	72		83		84
	3,030		3,154		3,037
Companion Animal:
Horses	195		168		151
Dogs and Cats	2,950		2,445		2,075
	3,145		2,613		2,226
Contract manufacturing & human health	85		58		44
Total Revenue	$	6,260	$	5,825	$	5,307

Schedule of Significant Product Revenues

Revenue by product category

	Year Ended December 31,
(MILLIONS OF DOLLARS)	2019		2018		2017
Vaccines	$	1,483	$	1,488	$	1,373
Anti-infectives	1,254		1,280		1,253
Parasiticides	966		836		763
Other pharmaceuticals	780		765		753
Dermatology	770		607		428
Medicated feed additives	470		485		475
Animal health diagnostics	268		136		44
Other non-pharmaceuticals	184		170		174
	6,175		5,767		5,263
Contract manufacturing & human health	85		58		44
Total Revenue	$	6,260	$	5,825	$	5,307