Revenue Revenue Recognition and Deferred Revenue (Tables)

3 Months Ended

Mar. 31, 2021

Revenue Recognition and Deferred Revenue [Abstract]

Revenue from External Customers by Geographic Areas

The following tables present our revenue disaggregated by geographic area, species, and major product category:

Revenue by geographic area

	Three Months Ended
	March 31,
(MILLIONS OF DOLLARS)	2021		2020
United States	$	933	$	786
Australia	57		43
Brazil	74		63
Canada	46		40
Chile	34		23
China	123		66
France	35		29
Germany	38		34
Italy	25		21
Japan	47		41
Mexico	33		32
Spain	31		28
United Kingdom	69		55
Other developed markets	111		87
Other emerging markets	199		166
	1,855		1,514
Contract manufacturing & human health	16		20
Total Revenue	$	1,871	$	1,534

Revenue from External Customers by Major Species

Revenue by major species

	Three Months Ended
	March 31,
(MILLIONS OF DOLLARS)	2021		2020
U.S.
Companion animal	$	658	$	499
Livestock	275		287
	933		786
International
Companion animal	418		298
Livestock	504		430
	922		728
Contract manufacturing & human health	16		20
Total Revenue	$	1,871	$	1,534

Revenue from External Customers by Species

Revenue by species

	Three Months Ended
	March 31,
(MILLIONS OF DOLLARS)	2021		2020
Companion Animal:
Dogs and Cats	$	1,016	$	746
Horses	60		51
	1,076		797
Livestock:
Cattle	399		370
Swine	190		157
Poultry	131		148
Fish	37		26
Sheep and other	22		16
	779		717
Contract manufacturing & human health	16		20
Total Revenue	$	1,871	$	1,534

Schedule of Significant Product Revenues

Revenue by major product category

	Three Months Ended
	March 31,
(MILLIONS OF DOLLARS)	2021		2020
Vaccines	$	413	$	349
Parasiticides	390		255
Anti-infectives	321		280
Dermatology	248		197
Other pharmaceuticals	226		197
Medicated feed additives	112		125
Animal health diagnostics	89		60
Other non-pharmaceuticals	56		51
	1,855		1,514
Contract manufacturing & human health	16		20
Total Revenue	$	1,871	$	1,534